Ozone amounts to be added to sonde profile to account for ozone above balloon burst altitude SONDE/SAGE CLIMATOLOGY (1988-2002) for 80-90S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 0.90 1.00 1.32 1.48 1.56 1.30 1.20 1.16 1.12 1.03 0.96 0.96 2 3.14 3.62 4.38 4.33 5.06 4.44 3.91 3.75 3.65 3.68 3.51 3.31 3 6.56 7.22 7.77 7.19 8.96 8.22 7.28 6.83 6.81 7.26 7.18 6.87 4 10.63 11.19 11.08 9.90 12.78 12.05 10.87 9.99 10.16 11.25 11.29 11.19 5 14.90 15.18 14.31 12.55 16.47 15.76 14.53 13.20 13.50 15.43 15.51 15.78 6 19.15 19.08 17.43 15.18 20.01 19.25 18.14 16.49 16.75 19.74 19.84 20.39 7 23.30 22.83 20.45 17.75 23.36 22.50 21.64 19.83 19.88 24.10 24.20 24.90 8 27.33 26.45 23.40 20.34 26.58 25.56 25.02 23.21 22.97 28.49 28.63 29.31 9 31.23 29.94 26.29 22.94 29.69 28.47 28.24 26.61 26.07 32.88 33.09 33.61 10 34.98 33.28 29.11 25.53 32.68 31.22 31.31 29.99 29.16 37.23 37.55 37.77 11 38.62 36.53 31.92 28.15 35.60 33.90 34.28 33.35 32.25 41.52 42.04 41.87 12 42.08 39.64 34.67 30.75 38.44 36.50 37.14 36.59 35.31 45.58 46.46 45.82 13 45.46 42.70 37.43 33.39 41.26 39.09 39.97 39.79 38.40 49.53 50.92 49.75 14 48.72 45.68 40.18 36.04 44.05 41.66 42.73 42.91 41.47 53.33 55.35 53.60 15 51.88 48.59 42.92 38.71 46.80 44.21 45.44 45.95 44.48 57.00 59.73 57.39 16 54.96 51.45 45.65 41.39 49.54 46.75 48.12 48.91 47.42 60.55 64.07 61.14 17 57.92 54.21 48.33 44.02 52.21 49.27 50.76 51.75 50.23 63.94 68.29 64.81 18 60.80 56.90 50.98 46.64 54.84 51.78 53.36 54.50 52.92 67.20 72.40 68.44 19 63.62 59.55 53.62 49.24 57.44 54.30 55.97 57.18 55.51 70.36 76.44 72.07 20 66.34 62.11 56.21 51.79 59.98 56.77 58.51 59.74 57.95 73.37 80.33 75.61 21 69.04 64.67 58.83 54.34 62.51 59.28 61.07 62.27 60.30 76.31 84.18 79.18 22 71.68 67.18 61.42 56.85 65.00 61.75 63.60 64.74 62.52 79.10 87.90 82.69 23 74.27 69.63 63.95 59.30 67.41 64.17 66.07 67.15 64.60 81.72 91.45 86.12 24 76.89 72.13 66.52 61.77 69.85 66.63 68.59 69.58 66.61 84.26 94.98 89.60 25 79.45 74.56 69.04 64.16 72.20 69.02 71.04 71.94 68.49 86.60 98.34 92.98 26 81.99 76.96 71.54 66.52 74.52 71.39 73.47 74.28 70.27 88.78 101.58 96.33 27 84.56 79.40 74.07 68.91 76.86 73.78 75.91 76.63 71.98 90.83 104.79 99.71 28 87.09 81.80 76.58 71.25 79.15 76.13 78.31 78.95 73.59 92.72 107.88 103.05 29 89.65 84.22 79.10 73.61 81.46 78.50 80.71 81.28 75.15 94.46 110.92 106.40 30 92.15 86.61 81.57 75.92 83.72 80.81 83.05 83.56 76.63 96.00 113.82 109.64 31 94.67 89.01 84.04 78.25 86.00 83.13 85.39 85.85 78.06 97.38 116.66 112.88 32 97.18 91.42 86.50 80.59 88.28 85.44 87.72 88.14 79.44 98.60 119.43 116.09 SONDE/SAGE CLIMATOLOGY (1988-2002) for 70-80S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 0.93 1.04 1.33 1.53 1.63 1.34 1.27 1.23 1.20 1.09 1.01 0.98 2 3.26 3.62 4.57 4.83 5.31 4.59 4.23 3.97 3.97 3.84 3.62 3.40 3 6.71 7.21 8.45 8.33 9.39 8.45 7.84 7.25 7.44 7.58 7.33 7.01 4 10.82 11.28 12.36 11.68 13.37 12.33 11.59 10.64 11.15 11.79 11.56 11.36 5 15.16 15.48 16.18 14.90 17.21 16.07 15.35 14.04 14.87 16.24 15.97 15.99 6 19.53 19.65 19.87 18.00 20.90 19.62 19.06 17.48 18.47 20.83 20.50 20.67 7 23.83 23.70 23.38 20.99 24.40 22.93 22.65 20.93 21.92 25.47 25.07 25.27 8 28.04 27.64 26.78 23.92 27.78 26.07 26.13 24.39 25.30 30.14 29.70 29.80 9 32.13 31.44 30.06 26.82 31.06 29.07 29.45 27.84 28.63 34.80 34.34 34.23 10 36.08 35.10 33.22 29.67 34.22 31.92 32.63 31.26 31.89 39.41 38.98 38.54 11 39.93 38.66 36.32 32.52 37.32 34.71 35.73 34.65 35.14 43.96 43.65 42.79 12 43.61 42.07 39.35 35.35 40.34 37.43 38.72 37.91 38.32 48.32 48.23 46.90 13 47.21 45.43 42.38 38.22 43.34 40.14 41.68 41.12 41.51 52.60 52.85 50.98 14 50.69 48.68 45.39 41.10 46.31 42.84 44.58 44.25 44.67 56.76 57.45 54.98 15 54.08 51.86 48.36 43.99 49.24 45.51 47.43 47.29 47.76 60.80 61.99 58.92 16 57.39 54.99 51.32 46.89 52.16 48.20 50.25 50.25 50.77 64.73 66.50 62.81 17 60.61 58.05 54.24 49.79 55.03 50.88 53.03 53.08 53.64 68.52 70.92 66.65 18 63.79 61.08 57.14 52.71 57.88 53.60 55.77 55.80 56.40 72.20 75.25 70.45 19 66.94 64.10 60.05 55.66 60.75 56.35 58.50 58.45 59.06 75.80 79.56 74.26 20 70.02 67.06 62.90 58.60 63.58 59.08 61.17 60.96 61.59 79.24 83.74 77.98 21 73.10 70.04 65.79 61.59 66.46 61.86 63.85 63.41 64.04 82.65 87.91 81.75 22 76.15 72.97 68.64 64.56 69.31 64.63 66.51 65.79 66.37 85.91 91.99 85.45 23 79.17 75.86 71.44 67.48 72.12 67.35 69.12 68.10 68.57 89.01 95.94 89.09 24 82.25 78.81 74.30 70.46 74.99 70.14 71.80 70.41 70.73 92.07 99.92 92.78 25 85.26 81.69 77.08 73.37 77.80 72.86 74.41 72.64 72.73 94.93 103.74 96.36 26 88.27 84.51 79.82 76.25 80.59 75.56 77.01 74.84 74.62 97.65 107.45 99.87 27 91.31 87.36 82.58 79.17 83.42 78.28 79.64 77.04 76.44 100.28 111.13 103.39 28 94.33 90.15 85.30 82.04 86.21 80.97 82.25 79.20 78.13 102.76 114.69 106.83 29 97.36 92.94 88.01 84.92 89.02 83.67 84.87 81.37 79.77 105.12 118.21 110.25 30 100.32 95.67 90.66 87.72 91.78 86.29 87.44 83.48 81.30 107.29 121.57 113.53 31 103.26 98.39 93.31 90.51 94.55 88.91 90.01 85.59 82.77 109.33 124.88 116.77 32 106.20 101.10 95.94 93.29 97.32 91.53 92.59 87.70 84.18 111.24 128.11 119.97 SONDE/SAGE CLIMATOLOGY (1988-2002) for 60-70S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.10 1.23 1.29 1.55 1.75 1.48 1.40 1.35 1.33 1.20 1.14 1.16 2 3.32 3.92 4.31 5.47 5.76 5.07 4.78 4.52 4.53 4.20 3.55 3.52 3 6.44 7.73 8.59 10.18 10.20 9.21 8.81 8.46 8.72 8.38 6.99 6.85 4 10.33 12.22 13.37 14.91 14.48 13.27 12.87 12.59 13.29 13.17 11.21 10.99 5 14.67 16.94 18.22 19.50 18.59 17.17 16.85 16.78 17.94 18.23 15.83 15.61 6 19.20 21.71 22.96 23.93 22.53 20.88 20.70 20.96 22.52 23.45 20.63 20.44 7 23.75 26.40 27.54 28.14 26.29 24.38 24.37 25.08 26.97 28.70 25.46 25.29 8 28.32 31.05 31.99 32.24 29.95 27.77 27.93 29.12 31.33 33.96 30.33 30.16 9 32.86 35.61 36.33 36.23 33.51 31.05 31.35 33.05 35.60 39.20 35.21 35.00 10 37.32 40.05 40.53 40.10 36.98 34.23 34.64 36.85 39.75 44.36 40.04 39.76 11 41.73 44.42 44.65 43.93 40.42 37.37 37.87 40.55 43.81 49.49 44.87 44.49 12 46.01 48.63 48.64 47.69 43.78 40.48 41.03 44.07 47.70 54.46 49.60 49.11 13 50.27 52.80 52.60 51.48 47.16 43.62 44.19 47.52 51.52 59.40 54.35 53.73 14 54.44 56.89 56.48 55.25 50.52 46.77 47.33 50.84 55.22 64.25 59.06 58.29 15 58.53 60.88 60.31 59.00 53.86 49.92 50.45 54.07 58.80 69.00 63.72 62.80 16 62.55 64.80 64.09 62.75 57.20 53.10 53.58 57.21 62.28 73.67 68.35 67.27 17 66.46 68.61 67.77 66.40 60.50 56.27 56.70 60.24 65.59 78.14 72.88 71.65 18 70.29 72.33 71.36 69.97 63.78 59.46 59.82 63.17 68.75 82.45 77.34 75.97 19 74.07 76.01 74.92 73.50 67.06 62.68 62.98 66.03 71.80 86.63 81.75 80.26 20 77.75 79.56 78.35 76.92 70.29 65.88 66.10 68.78 74.69 90.62 86.01 84.43 21 81.41 83.10 81.78 80.32 73.54 69.12 69.27 71.48 77.49 94.53 90.25 88.60 22 84.98 86.54 85.10 83.63 76.75 72.35 72.40 74.11 80.17 98.25 94.37 92.67 23 88.45 89.87 88.31 86.82 79.89 75.52 75.49 76.66 82.70 101.77 98.33 96.61 24 91.94 93.20 91.52 90.02 83.09 78.75 78.64 79.22 85.18 105.21 102.30 100.57 25 95.30 96.40 94.60 93.09 86.19 81.89 81.70 81.68 87.51 108.43 106.08 104.38 26 98.59 99.54 97.61 96.10 89.26 84.98 84.72 84.10 89.74 111.46 109.74 108.09 27 101.87 102.67 100.61 99.10 92.36 88.09 87.75 86.52 91.90 114.39 113.36 111.78 28 105.07 105.71 103.52 102.02 95.41 91.12 90.72 88.87 93.94 117.12 116.85 115.35 29 108.26 108.74 106.43 104.93 98.47 94.17 93.68 91.22 95.91 119.72 120.26 118.88 30 111.36 111.67 109.25 107.74 101.45 97.14 96.54 93.49 97.75 122.11 123.50 122.26 31 114.45 114.58 112.06 110.52 104.42 100.10 99.38 95.73 99.51 124.35 126.65 125.59 32 117.50 117.46 114.85 113.27 107.37 103.05 102.18 97.96 101.18 126.44 129.71 128.84 SONDE/SAGE CLIMATOLOGY (1988-2002) for 50-60S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.15 1.34 1.39 1.55 1.69 1.61 1.53 1.50 1.51 1.36 1.21 1.21 2 3.57 4.24 4.57 5.42 6.17 5.86 5.55 5.01 5.11 4.55 3.84 3.72 3 7.05 8.33 9.12 10.56 11.75 11.34 10.92 9.64 9.94 9.13 7.66 7.30 4 11.41 13.21 14.35 16.00 17.37 17.01 16.65 14.74 15.32 14.47 12.39 11.81 5 16.32 18.44 19.75 21.34 22.75 22.49 22.23 19.99 20.85 20.11 17.62 16.90 6 21.52 23.78 25.14 26.54 27.92 27.73 27.54 25.25 26.42 25.86 23.07 22.28 7 26.81 29.08 30.43 31.56 32.91 32.74 32.57 30.42 31.91 31.60 28.56 27.74 8 32.17 34.37 35.65 36.49 37.80 37.58 37.36 35.54 37.37 37.36 34.09 33.25 9 37.55 39.61 40.78 41.33 42.62 42.30 41.97 40.57 42.76 43.11 39.61 38.76 10 42.89 44.77 45.80 46.06 47.35 46.88 46.40 45.45 48.02 48.79 45.08 44.19 11 48.22 49.87 50.75 50.76 52.08 51.40 50.73 50.24 53.21 54.44 50.53 49.59 12 53.44 54.83 55.55 55.34 56.71 55.81 54.91 54.84 58.20 59.94 55.86 54.83 13 58.65 59.76 60.32 59.93 61.36 60.22 59.09 59.35 63.10 65.43 61.19 60.05 14 63.77 64.59 65.00 64.47 65.99 64.60 63.21 63.75 67.86 70.84 66.46 65.18 15 68.79 69.32 69.59 68.96 70.61 68.96 67.31 68.04 72.48 76.14 71.64 70.20 16 73.72 73.97 74.11 73.42 75.21 73.31 71.40 72.25 76.98 81.36 76.76 75.14 17 78.50 78.48 78.52 77.81 79.74 77.61 75.45 76.37 81.37 86.45 81.77 79.95 18 83.16 82.87 82.87 82.16 84.23 81.90 79.48 80.45 85.69 91.44 86.69 84.67 19 87.73 87.21 87.19 86.51 88.69 86.19 83.53 84.53 89.98 96.41 91.58 89.33 20 92.10 91.37 91.37 90.74 93.04 90.39 87.50 88.52 94.16 101.23 96.32 93.83 21 96.40 95.50 95.55 94.97 97.38 94.62 91.53 92.56 98.35 106.06 101.04 98.29 22 100.52 99.48 99.62 99.11 101.62 98.76 95.50 96.55 102.47 110.79 105.63 102.62 23 104.46 103.28 103.57 103.13 105.71 102.79 99.38 100.48 106.52 115.38 110.07 106.79 24 108.36 107.06 107.53 107.18 109.81 106.87 103.33 104.49 110.63 120.02 114.50 110.95 25 112.06 110.63 111.33 111.06 113.74 110.80 107.17 108.39 114.62 124.48 118.76 114.94 26 115.62 114.05 115.02 114.81 117.56 114.67 110.95 112.25 118.57 128.85 122.91 118.84 27 119.13 117.39 118.67 118.52 121.35 118.53 114.75 116.14 122.55 133.21 127.05 122.72 28 122.49 120.58 122.21 122.10 125.03 122.31 118.48 119.97 126.46 137.45 131.07 126.50 29 125.80 123.70 125.68 125.61 128.64 126.05 122.19 123.81 130.38 141.66 135.05 130.24 30 128.96 126.68 128.99 128.97 132.09 129.66 125.79 127.56 134.20 145.74 138.89 133.84 31 132.07 129.60 132.23 132.25 135.46 133.22 129.36 131.29 138.00 149.76 142.68 137.39 32 135.11 132.45 135.38 135.46 138.75 136.72 132.89 135.01 141.79 153.74 146.41 140.89 SONDE/SAGE CLIMATOLOGY (1988-2002) for 40-50S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.25 1.42 1.43 1.55 1.69 1.58 1.58 1.58 1.56 1.38 1.29 1.31 2 3.91 4.41 4.67 5.40 6.19 5.96 5.52 5.35 5.25 4.61 4.12 4.06 3 7.73 8.66 9.30 10.63 11.89 11.56 10.84 10.42 10.39 9.35 8.28 7.99 4 12.52 13.86 14.75 16.30 17.65 17.20 16.52 16.01 16.25 15.03 13.56 12.94 5 17.97 19.56 20.51 21.99 23.19 22.58 22.09 21.70 22.35 21.09 19.45 18.57 6 23.78 25.52 26.38 27.58 28.52 27.72 27.47 27.37 28.49 27.28 25.56 24.61 7 29.75 31.52 32.22 33.04 33.67 32.66 32.62 32.93 34.56 33.44 31.72 30.80 8 35.87 37.59 38.09 38.44 38.73 37.50 37.65 38.44 40.61 39.62 37.90 37.11 9 42.07 43.70 43.92 43.77 43.72 42.27 42.58 43.87 46.61 45.77 44.05 43.47 10 48.26 49.75 49.67 48.99 48.63 46.97 47.39 49.17 52.53 51.85 50.09 49.77 11 54.48 55.80 55.39 54.19 53.53 51.67 52.17 54.41 58.40 57.91 56.10 56.06 12 60.56 61.69 60.96 59.26 58.33 56.28 56.83 59.49 64.10 63.83 61.94 62.16 13 66.62 67.54 66.50 64.32 63.14 60.94 61.51 64.53 69.75 69.73 67.73 68.21 14 72.58 73.28 71.94 69.32 67.92 65.59 66.16 69.50 75.30 75.54 73.42 74.12 15 78.41 78.89 77.29 74.26 72.66 70.24 70.79 74.37 80.71 81.24 78.98 79.87 16 84.13 84.39 82.55 79.16 77.37 74.89 75.42 79.18 86.03 86.85 84.44 85.46 17 89.65 89.71 87.64 83.97 82.05 79.50 80.00 83.90 91.19 92.28 89.72 90.84 18 95.01 94.87 92.59 88.71 86.71 84.11 84.57 88.57 96.24 97.57 94.87 96.04 19 100.23 99.92 97.44 93.41 91.39 88.73 89.16 93.24 101.23 102.78 99.94 101.10 20 105.21 104.72 102.08 97.96 95.97 93.26 93.66 97.80 106.06 107.81 104.81 105.93 21 110.08 109.42 106.64 102.49 100.57 97.82 98.19 102.40 110.86 112.80 109.62 110.66 22 114.73 113.90 111.02 106.89 105.07 102.30 102.64 106.92 115.55 117.64 114.29 115.21 23 119.14 118.15 115.19 111.12 109.43 106.67 107.00 111.34 120.09 122.31 118.78 119.56 24 123.47 122.32 119.30 115.35 113.82 111.09 111.41 115.82 124.65 126.98 123.26 123.87 25 127.53 126.23 123.19 119.37 118.03 115.36 115.67 120.16 129.04 131.46 127.55 127.97 26 131.41 129.94 126.92 123.25 122.12 119.53 119.85 124.42 133.33 135.82 131.71 131.92 27 135.17 133.54 130.56 127.07 126.16 123.69 124.02 128.70 137.62 140.16 135.84 135.81 28 138.73 136.94 134.04 130.74 130.06 127.74 128.07 132.88 141.80 144.36 139.83 139.55 29 142.19 140.24 137.44 134.32 133.89 131.73 132.09 137.04 145.95 148.52 143.76 143.22 30 145.46 143.37 140.67 137.71 137.54 135.56 135.97 141.07 149.96 152.52 147.54 146.72 31 148.63 146.41 143.82 141.00 141.09 139.31 139.79 145.06 153.93 156.47 151.26 150.14 32 151.69 149.35 146.88 144.18 144.54 142.99 143.56 149.02 157.85 160.36 154.91 153.48 SONDE/SAGE CLIMATOLOGY (1988-2002) for 30-40S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.34 1.49 1.46 1.46 1.54 1.47 1.57 1.54 1.49 1.38 1.32 1.35 2 4.18 4.65 4.76 5.01 5.49 5.23 5.30 5.12 4.94 4.49 4.24 4.20 3 8.24 9.12 9.47 10.07 10.99 10.58 10.61 10.18 9.97 9.16 8.53 8.32 4 13.39 14.64 15.10 15.87 16.95 16.42 16.50 15.97 16.01 14.98 14.03 13.56 5 19.27 20.77 21.18 21.92 22.95 22.28 22.47 21.94 22.43 21.35 20.32 19.57 6 25.61 27.25 27.48 28.05 28.91 28.08 28.40 27.93 28.96 27.92 27.03 26.04 7 32.20 33.90 33.87 34.16 34.77 33.77 34.24 33.85 35.41 34.49 33.89 32.74 8 39.02 40.71 40.37 40.30 40.63 39.43 40.06 39.74 41.83 41.07 40.80 39.66 9 45.97 47.59 46.94 46.43 46.45 45.06 45.83 45.59 48.18 47.62 47.67 46.65 10 52.95 54.46 53.48 52.53 52.21 50.63 51.51 51.36 54.43 54.07 54.43 53.61 11 59.96 61.34 60.04 58.63 57.96 56.19 57.16 57.09 60.61 60.47 61.12 60.54 12 66.81 68.04 66.46 64.58 63.57 61.63 62.67 62.68 66.59 66.68 67.58 67.26 13 73.62 74.69 72.86 70.52 69.18 67.06 68.14 68.25 72.53 72.82 73.94 73.90 14 80.29 81.21 79.16 76.36 74.71 72.41 73.54 73.72 78.35 78.83 80.13 80.37 15 86.77 87.56 85.34 82.10 80.16 77.69 78.85 79.08 84.05 84.69 86.14 86.63 16 93.09 93.76 91.39 87.74 85.55 82.92 84.12 84.36 89.64 90.44 92.00 92.70 17 99.15 99.73 97.24 93.22 90.81 88.05 89.27 89.51 95.07 96.01 97.65 98.52 18 104.99 105.51 102.92 98.56 95.99 93.12 94.34 94.58 100.39 101.45 103.14 104.13 19 110.66 111.14 108.48 103.81 101.12 98.16 99.37 99.62 105.64 106.81 108.53 109.58 20 116.03 116.49 113.76 108.85 106.07 103.07 104.26 104.51 110.71 111.96 113.68 114.75 21 121.25 121.73 118.95 113.82 110.99 107.99 109.13 109.40 115.75 117.05 118.76 119.81 22 126.22 126.72 123.89 118.59 115.75 112.78 113.89 114.18 120.64 121.99 123.66 124.63 23 130.91 131.42 128.58 123.14 120.32 117.42 118.50 118.81 125.38 126.74 128.34 129.21 24 135.50 136.02 133.19 127.64 124.88 122.09 123.13 123.48 130.13 131.48 133.00 133.71 25 139.79 140.32 137.50 131.89 129.21 126.55 127.57 127.96 134.67 136.01 137.41 137.95 26 143.88 144.38 141.60 135.95 133.38 130.90 131.90 132.36 139.11 140.42 141.68 142.03 27 147.86 148.31 145.57 139.91 137.47 135.20 136.20 136.76 143.52 144.79 145.88 146.04 28 151.62 152.00 149.31 143.67 141.40 139.36 140.36 141.04 147.79 149.02 149.92 149.87 29 155.26 155.54 152.92 147.32 145.22 143.45 144.48 145.30 152.03 153.19 153.89 153.62 30 158.67 158.84 156.31 150.76 148.84 147.35 148.42 149.42 156.12 157.20 157.69 157.18 31 161.95 161.99 159.56 154.07 152.35 151.17 152.30 153.49 160.17 161.14 161.42 160.66 32 165.09 164.97 162.68 157.26 155.75 154.90 156.11 157.52 164.16 165.01 165.07 164.04 SONDE/SAGE CLIMATOLOGY (1988-2002) for 20-30S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.36 1.49 1.40 1.40 1.43 1.40 1.47 1.44 1.43 1.37 1.35 1.38 2 4.35 4.80 4.67 4.71 4.86 4.69 4.88 4.75 4.65 4.43 4.38 4.39 3 8.70 9.53 9.34 9.56 9.90 9.55 9.86 9.58 9.33 8.89 8.76 8.76 4 14.23 15.39 15.03 15.39 15.80 15.26 15.66 15.41 15.19 14.59 14.37 14.32 5 20.55 21.98 21.34 21.71 22.01 21.25 21.76 21.62 21.68 21.05 20.82 20.67 6 27.39 29.03 28.07 28.33 28.39 27.38 27.96 27.97 28.47 27.92 27.79 27.53 7 34.51 36.34 35.05 35.10 34.84 33.53 34.16 34.31 35.31 34.92 35.00 34.66 8 41.90 43.86 42.26 42.01 41.39 39.75 40.43 40.67 42.20 41.99 42.37 42.03 9 49.42 51.49 49.59 49.02 47.99 46.01 46.73 47.01 49.08 49.07 49.79 49.50 10 56.95 59.07 56.94 56.04 54.57 52.25 52.99 53.29 55.88 56.06 57.14 56.95 11 64.48 66.63 64.32 63.10 61.16 58.51 59.26 59.54 62.62 63.00 64.46 64.39 12 71.81 73.99 71.53 70.00 67.63 64.62 65.37 65.64 69.17 69.72 71.55 71.60 13 79.06 81.27 78.72 76.90 74.09 70.71 71.46 71.71 75.65 76.36 78.54 78.72 14 86.12 88.38 85.76 83.68 80.46 76.73 77.46 77.68 81.98 82.83 85.33 85.66 15 92.97 95.25 92.60 90.29 86.69 82.63 83.35 83.50 88.15 89.10 91.89 92.35 16 99.62 101.93 99.27 96.76 92.82 88.45 89.13 89.19 94.15 95.21 98.26 98.84 17 105.98 108.31 105.68 103.00 98.76 94.10 94.76 94.68 99.94 101.09 104.36 105.03 18 112.10 114.45 111.86 109.05 104.56 99.62 100.26 100.03 105.56 106.78 110.25 110.98 19 118.03 120.40 117.87 114.95 110.25 105.06 105.68 105.29 111.04 112.34 115.97 116.75 20 123.63 126.01 123.55 120.55 115.68 110.29 110.89 110.35 116.27 117.63 121.40 122.20 21 129.07 131.47 129.08 126.02 121.04 115.47 116.06 115.37 121.41 122.83 126.71 127.51 22 134.25 136.64 134.33 131.24 126.16 120.47 121.05 120.23 126.35 127.81 131.78 132.57 23 139.13 141.51 139.27 136.17 131.04 125.25 125.84 124.92 131.07 132.56 136.61 137.35 24 143.91 146.26 144.11 141.01 135.85 130.01 130.61 129.60 135.76 137.27 141.38 142.04 25 148.39 150.69 148.62 145.54 140.37 134.51 135.15 134.06 140.21 141.74 145.87 146.43 26 152.65 154.89 152.90 149.85 144.69 138.85 139.54 138.39 144.50 146.04 150.19 150.62 27 156.78 158.96 157.05 154.03 148.89 143.09 143.86 142.66 148.74 150.27 154.41 154.70 28 160.69 162.80 160.95 157.98 152.88 147.15 148.01 146.78 152.80 154.32 158.44 158.56 29 164.47 166.49 164.71 161.79 156.73 151.10 152.08 150.82 156.80 158.30 162.37 162.30 30 168.02 169.94 168.23 165.35 160.35 154.84 155.95 154.68 160.61 162.09 166.10 165.82 31 171.44 173.25 171.60 168.77 163.83 158.45 159.73 158.46 164.34 165.79 169.72 169.21 32 174.72 176.40 174.82 172.04 167.16 161.95 163.40 162.15 167.98 169.40 173.23 172.47 SONDE/SAGE CLIMATOLOGY (1988-2002) for 10-20S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.35 1.39 1.34 1.36 1.38 1.38 1.41 1.36 1.37 1.36 1.35 1.39 2 4.54 4.64 4.44 4.44 4.50 4.55 4.65 4.48 4.46 4.39 4.39 4.56 3 9.25 9.40 8.93 8.90 9.05 9.16 9.40 9.11 8.94 8.77 8.87 9.22 4 15.24 15.44 14.60 14.38 14.61 14.69 15.12 14.92 14.62 14.34 14.53 15.10 5 22.10 22.42 21.14 20.59 20.76 20.68 21.29 21.33 21.05 20.72 21.00 21.82 6 29.53 30.04 28.33 27.37 27.29 26.94 27.71 28.06 27.96 27.63 28.09 29.07 7 37.28 37.99 35.94 34.54 34.12 33.37 34.22 34.97 35.17 34.86 35.57 36.63 8 45.29 46.19 43.90 42.08 41.27 40.02 40.86 42.10 42.65 42.40 43.39 44.43 9 53.43 54.51 52.07 49.83 48.66 46.89 47.61 49.37 50.30 50.16 51.36 52.35 10 61.53 62.76 60.24 57.66 56.14 53.89 54.42 56.65 57.97 57.99 59.35 60.22 11 69.60 70.96 68.41 65.57 63.72 61.01 61.32 63.93 65.66 65.85 67.36 68.05 12 77.40 78.87 76.36 73.31 71.16 68.06 68.13 70.99 73.16 73.49 75.13 75.64 13 85.09 86.64 84.20 81.00 78.58 75.14 74.95 77.98 80.58 81.03 82.81 83.13 14 92.56 94.18 91.83 88.52 85.88 82.12 81.69 84.81 87.80 88.35 90.27 90.43 15 99.76 101.44 99.20 95.81 92.99 88.95 88.29 91.44 94.77 95.41 97.46 97.47 16 106.70 108.46 106.34 102.88 99.93 95.63 94.75 97.90 101.51 102.24 104.39 104.29 17 113.31 115.14 113.13 109.64 106.58 102.05 100.98 104.11 107.95 108.74 111.00 110.79 18 119.63 121.52 119.63 116.13 112.99 108.25 107.02 110.10 114.12 114.96 117.33 117.03 19 125.71 127.67 125.88 122.39 119.20 114.27 112.90 115.92 120.09 120.97 123.44 123.06 20 131.43 133.44 131.75 128.27 125.07 119.97 118.48 121.44 125.72 126.64 129.21 128.74 21 136.96 139.01 137.42 133.96 130.77 125.51 123.93 126.83 131.18 132.14 134.81 134.24 22 142.19 144.27 142.76 139.33 136.16 130.77 129.12 131.95 136.36 137.36 140.12 139.45 23 147.12 149.21 147.78 144.38 141.23 135.73 134.04 136.81 141.25 142.28 145.13 144.35 24 151.91 154.00 152.65 149.29 146.15 140.58 138.86 141.57 146.04 147.09 150.02 149.11 25 156.37 158.45 157.19 153.85 150.73 145.10 143.38 146.04 150.53 151.59 154.59 153.55 26 160.61 162.65 161.48 158.17 155.06 149.38 147.69 150.30 154.80 155.86 158.93 157.75 27 164.70 166.71 165.62 162.33 159.23 153.51 151.88 154.43 158.95 160.01 163.14 161.80 28 168.55 170.51 169.50 166.24 163.14 157.40 155.86 158.34 162.87 163.93 167.11 165.61 29 172.26 174.16 173.23 169.99 166.89 161.13 159.70 162.12 166.67 167.72 170.94 169.26 30 175.73 177.56 176.71 173.50 170.38 164.61 163.31 165.67 170.23 171.28 174.53 172.69 31 179.06 180.80 180.04 176.86 173.71 167.94 166.77 169.07 173.66 174.70 177.98 175.96 32 182.25 183.89 183.21 180.06 176.87 171.11 170.10 172.34 176.95 177.97 181.29 179.08 SONDE/SAGE CLIMATOLOGY (1988-2002) for eq-10S Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.29 1.29 1.30 1.33 1.32 1.39 1.37 1.35 1.34 1.33 1.35 1.34 2 4.57 4.37 4.20 4.29 4.29 4.59 4.58 4.45 4.37 4.33 4.40 4.61 3 9.51 9.19 8.48 8.53 8.52 9.12 9.23 9.04 8.77 8.69 8.82 9.45 4 15.73 15.39 14.12 13.84 13.73 14.60 14.90 14.82 14.34 14.16 14.35 15.46 5 22.74 22.55 20.78 20.02 19.70 20.62 21.14 21.35 20.73 20.37 20.63 22.15 6 30.29 30.38 28.18 26.84 26.35 27.03 27.75 28.38 27.72 27.11 27.48 29.28 7 38.17 38.59 36.03 34.07 33.45 33.78 34.58 35.75 35.15 34.29 34.68 36.69 8 46.31 47.10 44.28 41.76 40.93 40.90 41.61 43.41 43.00 42.00 42.15 44.41 9 54.54 55.73 52.77 49.81 48.71 48.27 48.82 51.26 51.12 50.07 49.84 52.31 10 62.74 64.31 61.31 58.09 56.66 55.78 56.11 59.16 59.31 58.27 57.72 60.26 11 70.93 72.83 69.87 66.52 64.79 63.45 63.51 67.12 67.51 66.57 65.81 68.26 12 78.87 81.08 78.17 74.76 72.85 71.03 70.80 74.88 75.51 74.69 73.85 76.07 13 86.69 89.15 86.33 82.92 80.88 78.64 78.11 82.56 83.40 82.71 81.83 83.78 14 94.26 96.92 94.22 90.86 88.73 86.15 85.36 90.05 91.07 90.51 89.59 91.27 15 101.53 104.35 101.82 98.52 96.34 93.44 92.49 97.31 98.48 98.02 97.08 98.49 16 108.53 111.46 109.14 105.93 103.70 100.53 99.51 104.38 105.64 105.27 104.31 105.46 17 115.15 118.19 116.08 112.96 110.71 107.30 106.26 111.13 112.46 112.16 111.21 112.09 18 121.44 124.57 122.68 119.68 117.41 113.81 112.77 117.63 119.00 118.74 117.81 118.42 19 127.48 130.68 129.02 126.12 123.86 120.09 119.08 123.90 125.29 125.08 124.17 124.52 20 133.16 136.39 134.93 132.15 129.91 125.99 125.00 129.78 131.20 131.03 130.14 130.24 21 138.65 141.88 140.60 137.96 135.75 131.69 130.72 135.45 136.91 136.77 135.91 135.77 22 143.83 147.05 145.94 143.42 141.25 137.07 136.13 140.78 142.30 142.17 141.32 140.97 23 148.69 151.88 150.93 148.53 146.40 142.11 141.21 145.78 147.36 147.23 146.36 145.85 24 153.41 156.55 155.77 153.49 151.39 147.00 146.15 150.61 152.27 152.12 151.21 150.58 25 157.79 160.90 160.26 158.09 156.02 151.54 150.74 155.10 156.84 156.66 155.69 154.97 26 161.94 165.01 164.51 162.44 160.39 155.83 155.09 159.34 161.16 160.95 159.92 159.10 27 165.94 168.97 168.60 166.63 164.60 159.96 159.27 163.42 165.31 165.08 163.97 163.08 28 169.69 172.70 172.45 170.55 168.55 163.83 163.20 167.25 169.20 168.95 167.76 166.80 29 173.30 176.28 176.13 174.32 172.34 167.55 166.97 170.93 172.93 172.67 171.39 170.35 30 176.67 179.63 179.58 177.84 175.88 171.01 170.48 174.36 176.40 176.14 174.78 173.66 31 179.88 182.85 182.87 181.20 179.27 174.32 173.84 177.64 179.70 179.46 178.03 176.80 32 182.94 185.91 186.00 184.41 182.50 177.46 177.03 180.76 182.84 182.61 181.12 179.78 SONDE/SAGE CLIMATOLOGY (1988-2002) for eq-10N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.28 1.26 1.30 1.33 1.32 1.40 1.36 1.36 1.34 1.34 1.34 1.32 2 4.54 4.35 4.17 4.29 4.24 4.62 4.53 4.45 4.38 4.37 4.36 4.58 3 9.50 9.18 8.45 8.52 8.47 9.13 9.10 8.96 8.77 8.75 8.67 9.45 4 15.64 15.32 14.11 13.86 13.74 14.64 14.76 14.67 14.31 14.21 13.99 15.39 5 22.41 22.32 20.76 20.06 19.83 20.84 21.13 21.25 20.75 20.43 20.03 21.86 6 29.60 29.91 28.05 26.90 26.61 27.52 27.97 28.47 27.90 27.19 26.65 28.67 7 37.06 37.81 35.74 34.15 33.82 34.55 35.10 36.10 35.50 34.34 33.69 35.72 8 44.75 45.95 43.82 41.83 41.39 41.92 42.53 44.04 43.49 41.96 41.10 43.08 9 52.54 54.24 52.18 49.86 49.24 49.49 50.12 52.17 51.72 49.89 48.79 50.67 10 60.34 62.53 60.61 58.08 57.26 57.13 57.74 60.35 59.98 57.95 56.64 58.37 11 68.16 70.81 69.07 66.44 65.44 64.89 65.41 68.57 68.27 66.10 64.65 66.18 12 75.80 78.83 77.32 74.64 73.55 72.56 72.94 76.57 76.32 74.07 72.53 73.85 13 83.35 86.70 85.45 82.77 81.65 80.26 80.47 84.48 84.27 81.97 80.35 81.43 14 90.70 94.29 93.31 90.70 89.60 87.84 87.90 92.17 92.01 89.68 87.97 88.81 15 97.78 101.56 100.85 98.36 97.30 95.23 95.19 99.61 99.48 97.12 95.33 95.91 16 104.58 108.53 108.11 105.77 104.77 102.41 102.34 106.82 106.72 104.33 102.45 102.75 17 111.03 115.11 114.97 112.80 111.88 109.28 109.22 113.71 113.62 111.21 109.26 109.26 18 117.15 121.35 121.51 119.51 118.68 115.88 115.88 120.35 120.25 117.82 115.79 115.47 19 123.03 127.31 127.78 125.94 125.23 122.26 122.33 126.76 126.64 124.19 122.09 121.44 20 128.54 132.89 133.62 131.97 131.39 128.28 128.42 132.79 132.65 130.19 128.03 127.05 21 133.85 138.24 139.22 137.76 137.33 134.12 134.34 138.62 138.47 136.00 133.77 132.46 22 138.87 143.28 144.47 143.21 142.94 139.64 139.95 144.13 143.97 141.48 139.18 137.55 23 143.58 147.98 149.38 148.31 148.20 144.84 145.23 149.30 149.14 146.61 144.25 142.32 24 148.16 152.53 154.13 153.25 153.30 149.90 150.37 154.31 154.17 151.59 149.16 146.93 25 152.42 156.75 158.53 157.84 158.04 154.61 155.16 158.97 158.85 156.20 153.70 151.21 26 156.45 160.74 162.69 162.17 162.53 159.06 159.70 163.39 163.28 160.57 157.99 155.25 27 160.34 164.58 166.69 166.33 166.86 163.36 164.08 167.66 167.56 164.77 162.10 159.12 28 164.00 168.17 170.43 170.23 170.93 167.40 168.19 171.67 171.59 168.70 165.94 162.75 29 167.50 171.62 174.03 173.98 174.83 171.28 172.15 175.52 175.45 172.48 169.62 166.22 30 170.78 174.85 177.39 177.48 178.49 174.92 175.86 179.13 179.06 176.01 173.05 169.46 31 173.90 177.93 180.60 180.82 181.98 178.40 179.42 182.59 182.49 179.38 176.32 172.54 32 176.86 180.87 183.66 184.00 185.31 181.73 182.83 185.88 185.76 182.60 179.44 175.46 SONDE/SAGE CLIMATOLOGY (1988-2002) for 10-20N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.33 1.33 1.33 1.36 1.34 1.42 1.41 1.40 1.35 1.37 1.38 1.34 2 4.58 4.50 4.34 4.41 4.34 4.59 4.56 4.61 4.42 4.46 4.48 4.52 3 9.43 9.26 8.72 8.81 8.70 9.10 9.10 9.30 8.91 8.92 8.94 9.24 4 15.36 15.25 14.26 14.29 14.21 14.67 14.76 15.10 14.52 14.46 14.39 14.93 5 21.84 21.96 20.67 20.55 20.52 21.03 21.19 21.68 20.91 20.73 20.46 21.12 6 28.63 29.10 27.68 27.43 27.40 27.90 28.14 28.82 27.88 27.51 26.98 27.62 7 35.54 36.47 35.04 34.71 34.63 35.07 35.37 36.29 35.19 34.61 33.79 34.32 8 42.62 44.03 42.72 42.34 42.22 42.52 42.87 44.07 42.82 42.02 40.86 41.22 9 49.79 51.71 50.56 50.14 50.04 50.16 50.52 52.01 50.64 49.62 48.12 48.27 10 56.93 59.32 58.40 57.97 57.93 57.86 58.19 59.98 58.51 57.28 55.42 55.34 11 64.07 66.89 66.26 65.80 65.90 65.63 65.90 67.98 66.43 65.02 62.78 62.42 12 71.02 74.19 73.90 73.42 73.71 73.24 73.43 75.77 74.15 72.59 69.98 69.30 13 77.90 81.36 81.46 80.99 81.47 80.81 80.91 83.49 81.80 80.12 77.17 76.12 14 84.62 88.32 88.81 88.40 89.06 88.22 88.25 91.02 89.27 87.50 84.23 82.81 15 91.14 95.03 95.91 95.59 96.42 95.42 95.40 98.32 96.51 94.67 91.12 89.31 16 97.49 101.50 102.77 102.58 103.56 102.45 102.39 105.42 103.55 101.65 97.84 95.64 17 103.57 107.67 109.30 109.27 110.39 109.20 109.11 112.21 110.29 108.33 104.28 101.71 18 109.41 113.57 115.55 115.69 116.96 115.72 115.61 118.74 116.76 114.75 110.48 107.56 19 115.06 119.25 121.57 121.90 123.33 122.04 121.93 125.07 123.03 120.96 116.47 113.24 20 120.38 124.59 127.21 127.74 129.34 128.02 127.92 131.05 128.94 126.81 122.13 118.59 21 125.53 129.74 132.66 133.40 135.17 133.83 133.76 136.86 134.70 132.49 127.61 123.78 22 130.40 134.62 137.80 138.76 140.72 139.34 139.32 142.37 140.16 137.86 132.81 128.69 23 134.98 139.20 142.61 143.79 145.96 144.54 144.57 147.58 145.30 142.91 137.69 133.30 24 139.43 143.67 147.27 148.70 151.08 149.61 149.72 152.66 150.32 147.83 142.44 137.79 25 143.58 147.84 151.61 153.28 155.87 154.35 154.54 157.42 155.02 152.41 146.87 141.97 26 147.52 151.80 155.71 157.61 160.43 158.84 159.13 161.93 159.47 156.76 151.07 145.93 27 151.32 155.62 159.66 161.80 164.84 163.20 163.59 166.29 163.79 160.96 155.12 149.75 28 154.91 159.23 163.37 165.73 169.01 167.30 167.81 170.41 167.85 164.91 158.93 153.34 29 158.36 162.70 166.93 169.52 173.03 171.26 171.89 174.37 171.78 168.72 162.60 156.80 30 161.60 165.96 170.28 173.08 176.81 174.96 175.72 178.09 175.46 172.29 166.03 160.03 31 164.70 169.07 173.48 176.48 180.44 178.52 179.40 181.66 178.99 175.72 169.32 163.13 32 167.67 172.04 176.53 179.73 183.92 181.91 182.92 185.07 182.37 178.99 172.46 166.08 SONDE/SAGE CLIMATOLOGY (1988-2002) for 20-30N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.43 1.43 1.40 1.39 1.35 1.43 1.44 1.46 1.37 1.39 1.43 1.40 2 4.74 4.70 4.56 4.52 4.36 4.51 4.55 4.80 4.52 4.62 4.76 4.62 3 9.53 9.39 9.02 9.01 8.74 8.90 8.96 9.60 9.17 9.32 9.53 9.28 4 15.25 15.17 14.47 14.59 14.24 14.40 14.49 15.49 14.94 15.11 15.18 14.77 5 21.37 21.55 20.62 20.87 20.48 20.66 20.77 22.03 21.35 21.49 21.24 20.64 6 27.65 28.25 27.24 27.63 27.26 27.43 27.50 28.97 28.14 28.20 27.55 26.69 7 33.92 35.04 34.10 34.66 34.34 34.46 34.47 36.11 35.14 35.07 33.98 32.79 8 40.22 41.91 41.14 41.93 41.67 41.72 41.64 43.45 42.34 42.09 40.54 38.95 9 46.52 48.78 48.22 49.29 49.13 49.10 48.91 50.90 49.67 49.21 47.14 45.14 10 52.76 55.55 55.25 56.62 56.58 56.48 56.17 58.34 57.00 56.33 53.74 51.28 11 58.97 62.25 62.24 63.92 64.04 63.89 63.45 65.80 64.36 63.49 60.36 57.39 12 64.98 68.69 69.01 71.00 71.32 71.10 70.57 73.09 71.54 70.50 66.84 63.33 13 70.93 75.01 75.68 78.00 78.56 78.25 77.65 80.34 78.67 77.48 73.30 69.25 14 76.74 81.14 82.17 84.84 85.64 85.27 84.61 87.44 85.67 84.33 79.67 75.10 15 82.42 87.08 88.47 91.50 92.54 92.11 91.40 94.37 92.47 91.00 85.89 80.84 16 87.99 92.86 94.60 97.98 99.28 98.79 98.05 101.13 99.09 97.51 91.97 86.50 17 93.39 98.41 100.49 104.21 105.76 105.22 104.46 107.63 105.46 103.76 97.83 92.00 18 98.66 103.79 106.19 110.23 112.04 111.46 110.68 113.91 111.61 109.80 103.52 97.36 19 103.83 109.04 111.73 116.08 118.15 117.54 116.75 120.01 117.59 115.67 109.06 102.62 20 108.77 114.06 116.98 121.63 123.94 123.31 122.53 125.81 123.26 121.24 114.35 107.64 21 113.64 118.99 122.11 127.06 129.58 128.95 128.20 131.46 128.80 126.68 119.53 112.58 22 118.32 123.73 127.01 132.25 134.97 134.34 133.62 136.85 134.08 131.85 124.48 117.33 23 122.80 128.26 131.68 137.17 140.08 139.44 138.76 141.94 139.08 136.74 129.18 121.85 24 127.23 132.75 136.28 142.01 145.11 144.46 143.81 146.93 143.99 141.53 133.81 126.32 25 131.42 137.01 140.62 146.57 149.84 149.17 148.57 151.60 148.59 146.01 138.16 130.55 26 135.47 141.11 144.80 150.93 154.38 153.67 153.12 156.05 152.98 150.28 142.31 134.60 27 139.44 145.15 148.89 155.19 158.80 158.05 157.56 160.36 157.24 154.42 146.35 138.56 28 143.25 149.03 152.81 159.25 163.01 162.20 161.77 164.44 161.27 158.33 150.18 142.34 29 146.97 152.82 156.62 163.20 167.10 166.23 165.86 168.38 165.17 162.11 153.89 146.03 30 150.51 156.44 160.25 166.95 170.97 170.02 169.71 172.09 168.84 165.67 157.38 149.51 31 153.95 159.96 163.77 170.58 174.71 173.68 173.43 175.65 172.36 169.09 160.75 152.90 32 157.30 163.39 167.18 174.10 178.32 177.20 177.01 179.06 175.74 172.37 164.00 156.17 SONDE/SAGE CLIMATOLOGY (1988-2002) for 30-40N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.53 1.52 1.44 1.38 1.32 1.38 1.40 1.53 1.40 1.43 1.47 1.46 2 4.98 5.00 4.73 4.43 4.22 4.32 4.39 4.84 4.60 4.83 5.11 4.87 3 9.77 9.85 9.36 8.82 8.41 8.47 8.61 9.55 9.24 9.77 10.29 9.59 4 15.22 15.51 14.92 14.30 13.67 13.69 13.90 15.32 14.91 15.62 16.07 14.93 5 20.85 21.54 21.02 20.51 19.69 19.67 19.90 21.69 21.11 21.82 21.97 20.45 6 26.50 27.70 27.41 27.12 26.21 26.12 26.32 28.39 27.58 28.18 27.89 26.02 7 32.03 33.83 33.90 33.91 32.96 32.81 32.94 35.23 34.14 34.54 33.74 31.52 8 37.53 39.91 40.44 40.82 39.89 39.68 39.71 42.18 40.80 40.94 39.60 37.01 9 42.96 45.90 46.95 47.72 46.88 46.65 46.55 49.17 47.49 47.35 45.45 42.47 10 48.31 51.75 53.33 54.51 53.83 53.59 53.38 56.11 54.12 53.70 51.23 47.87 11 53.62 57.49 59.61 61.22 60.74 60.51 60.21 63.04 60.75 60.02 57.00 53.26 12 58.80 63.02 65.65 67.69 67.44 67.26 66.88 69.81 67.22 66.18 62.61 58.53 13 63.99 68.48 71.58 74.05 74.09 73.97 73.52 76.55 73.67 72.30 68.21 63.79 14 69.11 73.84 77.32 80.23 80.60 80.54 80.04 83.16 79.99 78.32 73.71 69.00 15 74.18 79.09 82.89 86.23 86.94 86.95 86.42 89.62 86.18 84.19 79.12 74.15 16 79.21 84.25 88.32 92.08 93.15 93.23 92.68 95.94 92.24 89.95 84.45 79.28 17 84.15 89.28 93.56 97.69 99.14 99.29 98.73 102.04 98.11 95.52 89.63 84.30 18 89.04 94.20 98.66 103.13 104.94 105.16 104.60 107.96 103.82 100.93 94.69 89.26 19 93.91 99.07 103.67 108.45 110.60 110.88 110.35 113.73 109.41 106.24 99.67 94.18 20 98.66 103.78 108.48 113.53 115.99 116.34 115.83 119.23 114.75 111.31 104.46 98.96 21 103.41 108.47 113.25 118.54 121.27 121.69 121.21 124.62 119.99 116.32 109.20 103.74 22 108.04 113.04 117.88 123.36 126.34 126.81 126.37 129.77 125.02 121.12 113.79 108.38 23 112.54 117.47 122.34 127.96 131.16 131.68 131.27 134.66 129.80 125.71 118.20 112.88 24 117.06 121.91 126.80 132.53 135.93 136.49 136.12 139.48 134.51 130.25 122.60 117.38 25 121.39 126.18 131.08 136.87 140.43 141.03 140.69 144.01 138.95 134.54 126.78 121.68 26 125.62 130.34 135.24 141.06 144.76 145.38 145.06 148.34 143.19 138.65 130.80 125.86 27 129.83 134.48 139.37 145.19 149.01 149.64 149.33 152.56 147.33 142.66 134.74 129.98 28 133.91 138.49 143.37 149.16 153.07 153.70 153.40 156.56 151.25 146.48 138.51 133.96 29 137.93 142.46 147.32 153.06 157.04 157.66 157.35 160.45 155.06 150.19 142.19 137.87 30 141.79 146.28 151.12 156.79 160.81 161.41 161.09 164.11 158.65 153.68 145.68 141.61 31 145.57 150.04 154.86 160.43 164.48 165.05 164.72 167.65 162.11 157.06 149.06 145.27 32 149.28 153.74 158.53 164.00 168.04 168.58 168.21 171.06 165.44 160.31 152.33 148.84 SONDE/SAGE CLIMATOLOGY (1988-2002) for 40-50N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.67 1.61 1.46 1.33 1.27 1.36 1.31 1.49 1.42 1.49 1.53 1.55 2 5.49 5.37 4.92 4.30 4.04 4.23 4.09 4.65 4.63 5.14 5.55 5.43 3 10.31 10.27 9.89 8.70 8.06 8.33 8.05 9.13 9.26 10.28 10.83 10.40 4 15.45 15.65 15.67 14.21 13.16 13.48 13.03 14.60 14.80 16.00 16.36 15.61 5 20.64 21.20 21.74 20.35 18.96 19.33 18.68 20.62 20.73 21.82 21.83 20.80 6 25.77 26.78 27.87 26.78 25.21 25.58 24.72 26.90 26.82 27.62 27.18 25.89 7 30.79 32.28 33.92 33.26 31.66 31.99 30.91 33.24 32.91 33.32 32.39 30.86 8 35.77 37.72 39.91 39.72 38.24 38.54 37.22 39.65 39.00 38.97 37.52 35.78 9 40.70 43.09 45.80 46.10 44.85 45.13 43.57 46.04 45.05 44.55 42.58 40.66 10 45.56 48.34 51.52 52.31 51.38 51.67 49.88 52.33 51.00 50.02 47.57 45.49 11 50.42 53.53 57.13 58.39 57.87 58.18 56.17 58.58 56.90 55.44 52.53 50.34 12 55.18 58.56 62.52 64.21 64.13 64.50 62.29 64.64 62.61 60.69 57.38 55.11 13 59.98 63.56 67.83 69.92 70.29 70.77 68.38 70.66 68.29 65.92 62.24 59.93 14 64.76 68.48 73.02 75.47 76.27 76.89 74.35 76.56 73.86 71.07 67.05 64.73 15 69.52 73.33 78.09 80.84 82.07 82.86 80.20 82.33 79.31 76.12 71.82 69.52 16 74.29 78.13 83.07 86.08 87.71 88.70 85.95 88.00 84.66 81.10 76.56 74.32 17 79.00 82.85 87.91 91.14 93.12 94.32 91.51 93.48 89.84 85.95 81.22 79.04 18 83.68 87.51 92.66 96.06 98.35 99.77 96.93 98.83 94.89 90.71 85.83 83.74 19 88.37 92.17 97.36 100.89 103.45 105.09 102.23 104.07 99.84 95.40 90.42 88.43 20 92.95 96.71 101.91 105.55 108.33 110.16 107.31 109.07 104.60 99.93 94.88 93.00 21 97.56 101.27 106.44 110.16 113.12 115.13 112.31 114.00 109.29 104.42 99.35 97.59 22 102.08 105.75 110.86 114.63 117.74 119.90 117.11 118.74 113.82 108.77 103.70 102.08 23 106.48 110.11 115.15 118.94 122.16 124.45 121.70 123.26 118.14 112.95 107.91 106.44 24 110.92 114.53 119.46 123.25 126.56 128.95 126.23 127.72 122.43 117.12 112.13 110.83 25 115.20 118.80 123.61 127.38 130.74 133.21 130.51 131.94 126.49 121.09 116.17 115.04 26 119.38 122.98 127.67 131.39 134.79 137.31 134.63 136.00 130.39 124.91 120.10 119.16 27 123.55 127.17 131.71 135.37 138.78 141.34 138.66 139.96 134.22 128.68 123.98 123.25 28 127.60 131.26 135.65 139.22 142.63 145.19 142.51 143.75 137.86 132.29 127.73 127.22 29 131.62 135.31 139.55 143.03 146.41 148.97 146.27 147.44 141.42 135.81 131.41 131.14 30 135.48 139.23 143.32 146.69 150.02 152.57 149.84 150.93 144.78 139.17 134.92 134.90 31 139.28 143.09 147.05 150.30 153.56 156.08 153.31 154.32 148.04 142.43 138.33 138.58 32 143.02 146.90 150.72 153.85 157.02 159.49 156.68 157.59 151.19 145.60 141.65 142.19 SONDE/SAGE CLIMATOLOGY (1988-2002) for 50-60N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.59 1.57 1.49 1.32 1.23 1.28 1.22 1.36 1.39 1.53 1.64 1.61 2 5.17 5.34 5.21 4.39 3.94 3.97 3.78 4.22 4.60 5.31 5.82 5.48 3 9.51 10.16 10.32 8.99 7.89 7.82 7.45 8.34 9.22 10.38 10.83 10.11 4 14.14 15.30 15.89 14.59 12.85 12.66 12.08 13.40 14.56 15.83 15.92 14.88 5 18.90 20.48 21.52 20.59 18.43 18.10 17.30 18.91 20.14 21.24 20.93 19.66 6 23.68 25.66 27.11 26.71 24.32 23.87 22.85 24.63 25.75 26.54 25.84 24.42 7 28.40 30.77 32.59 32.73 30.32 29.73 28.51 30.35 31.27 31.68 30.60 29.08 8 33.11 35.86 38.01 38.67 36.37 35.67 34.26 36.09 36.72 36.72 35.28 33.71 9 37.77 40.91 43.36 44.47 42.41 41.61 40.01 41.79 42.07 41.65 39.89 38.31 10 42.36 45.86 48.59 50.08 48.34 47.47 45.70 47.38 47.29 46.46 44.41 42.86 11 46.94 50.78 53.75 55.56 54.20 53.29 51.34 52.91 52.41 51.21 48.90 47.41 12 51.46 55.56 58.75 60.83 59.84 58.92 56.82 58.26 57.34 55.81 53.30 51.90 13 56.02 60.33 63.71 66.02 65.39 64.50 62.25 63.54 62.21 60.40 57.71 56.44 14 60.56 65.03 68.59 71.08 70.78 69.94 67.56 68.70 66.95 64.91 62.09 60.98 15 65.08 69.68 73.38 76.01 76.00 75.23 72.75 73.74 71.59 69.35 66.43 65.49 16 69.59 74.29 78.11 80.84 81.07 80.40 77.84 78.66 76.13 73.74 70.75 69.99 17 74.04 78.81 82.74 85.53 85.96 85.40 82.79 83.45 80.55 78.04 75.00 74.43 18 78.45 83.27 87.29 90.11 90.70 90.26 87.64 88.14 84.88 82.26 79.22 78.84 19 82.88 87.73 91.81 94.63 95.34 95.03 92.42 92.76 89.15 86.46 83.43 83.26 20 87.21 92.09 96.21 98.99 99.78 99.61 97.02 97.21 93.27 90.54 87.56 87.59 21 91.58 96.49 100.60 103.33 104.17 104.12 101.57 101.61 97.36 94.61 91.72 91.97 22 95.88 100.82 104.91 107.56 108.42 108.47 105.97 105.87 101.32 98.58 95.80 96.26 23 100.07 105.06 109.10 111.65 112.50 112.64 110.19 109.96 105.14 102.42 99.77 100.45 24 104.31 109.36 113.33 115.77 116.56 116.76 114.39 114.03 108.96 106.28 103.77 104.68 25 108.42 113.53 117.41 119.73 120.45 120.69 118.38 117.90 112.60 109.97 107.62 108.76 26 112.45 117.62 121.42 123.60 124.22 124.49 122.25 121.63 116.12 113.57 111.38 112.74 27 116.49 121.73 125.43 127.45 127.95 128.24 126.06 125.31 119.60 117.13 115.11 116.72 28 120.44 125.74 129.35 131.21 131.56 131.86 129.73 128.85 122.95 120.57 118.73 120.58 29 124.37 129.74 133.25 134.94 135.13 135.41 133.32 132.31 126.23 123.96 122.31 124.40 30 128.17 133.60 137.02 138.54 138.57 138.82 136.75 135.61 129.37 127.21 125.74 128.08 31 131.94 137.43 140.76 142.11 141.97 142.15 140.09 138.83 132.43 130.39 129.10 131.71 32 135.66 141.22 144.45 145.63 145.32 145.41 143.34 141.97 135.42 133.50 132.39 135.28 SONDE/SAGE CLIMATOLOGY (1988-2002) for 60-70N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.51 1.56 1.47 1.34 1.20 1.23 1.18 1.26 1.34 1.54 1.59 1.52 2 4.77 5.20 5.17 4.55 3.78 3.76 3.56 3.94 4.49 5.40 5.42 5.04 3 8.69 9.63 10.14 9.22 7.51 7.38 6.94 7.79 8.95 10.19 9.90 9.23 4 12.90 14.36 15.46 14.57 12.11 11.86 11.11 12.43 13.93 15.14 14.44 13.56 5 17.30 19.21 20.80 20.12 17.15 16.82 15.76 17.42 19.00 20.04 18.91 17.97 6 21.75 24.11 26.10 25.66 22.39 21.99 20.61 22.50 23.97 24.80 23.29 22.35 7 26.17 28.96 31.30 31.09 27.63 27.20 25.49 27.54 28.78 29.38 27.53 26.65 8 30.58 33.77 36.47 36.44 32.87 32.43 30.39 32.55 33.46 33.84 31.68 30.90 9 34.95 38.52 41.58 41.69 38.05 37.61 35.26 37.47 38.01 38.18 35.75 35.08 10 39.24 43.17 46.60 46.80 43.09 42.69 40.02 42.26 42.40 42.39 39.74 39.17 11 43.52 47.79 51.57 51.82 48.04 47.70 44.72 46.96 46.69 46.53 43.69 43.24 12 47.72 52.29 56.40 56.65 52.80 52.54 49.25 51.47 50.81 50.54 47.57 47.23 13 51.93 56.78 61.21 61.43 57.48 57.30 53.72 55.91 54.84 54.52 51.47 51.25 14 56.12 61.21 65.95 66.10 62.03 61.93 58.06 60.22 58.76 58.43 55.35 55.25 15 60.27 65.58 70.62 70.66 66.45 66.43 62.28 64.41 62.57 62.28 59.20 59.22 16 64.40 69.91 75.23 75.15 70.76 70.81 66.40 68.50 66.29 66.07 63.03 63.18 17 68.46 74.15 79.72 79.51 74.94 75.05 70.41 72.46 69.90 69.78 66.81 67.10 18 72.48 78.34 84.12 83.78 79.04 79.17 74.33 76.33 73.43 73.43 70.56 71.02 19 76.49 82.50 88.48 88.02 83.08 83.21 78.21 80.14 76.92 77.06 74.31 74.96 20 80.41 86.56 92.71 92.13 86.99 87.09 81.94 83.79 80.30 80.59 77.98 78.84 21 84.35 90.63 96.93 96.25 90.89 90.93 85.65 87.41 83.67 84.14 81.69 82.76 22 88.22 94.61 101.05 100.27 94.68 94.64 89.25 90.90 86.95 87.61 85.34 86.64 23 92.01 98.51 105.06 104.16 98.35 98.22 92.73 94.27 90.13 91.01 88.90 90.44 24 95.84 102.44 109.10 108.09 102.03 101.78 96.22 97.61 93.31 94.44 92.51 94.32 25 99.55 106.26 113.00 111.87 105.58 105.18 99.57 100.80 96.37 97.75 96.00 98.07 26 103.21 110.01 116.82 115.59 109.05 108.49 102.83 103.89 99.36 101.00 99.41 101.75 27 106.89 113.78 120.64 119.32 112.52 111.77 106.07 106.94 102.34 104.25 102.82 105.43 28 110.48 117.48 124.36 122.96 115.90 114.94 109.22 109.87 105.24 107.42 106.14 109.01 29 114.08 121.18 128.07 126.59 119.27 118.09 112.34 112.75 108.13 110.57 109.43 112.59 30 117.58 124.78 131.67 130.11 122.53 121.13 115.35 115.52 110.92 113.60 112.62 116.05 31 121.05 128.36 135.23 133.60 125.78 124.14 118.32 118.23 113.69 116.59 115.77 119.48 32 124.51 131.92 138.76 137.06 128.99 127.12 121.26 120.90 116.44 119.53 118.88 122.88 SONDE/SAGE CLIMATOLOGY (1988-2002) for 70-80N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.39 1.46 1.48 1.13 1.07 1.06 0.98 1.05 1.36 1.55 1.47 1.41 2 4.44 4.71 5.01 4.28 3.93 3.64 3.43 3.64 4.72 5.07 4.91 4.64 3 8.17 8.74 9.48 8.67 8.11 7.37 7.09 7.26 8.72 9.00 8.97 8.48 4 12.21 13.12 14.32 13.49 12.87 11.75 11.44 11.38 12.73 12.88 13.09 12.47 5 16.41 17.66 19.28 18.38 17.75 16.48 16.01 15.64 16.61 16.63 17.13 16.50 6 20.66 22.25 24.26 23.27 22.60 21.15 20.64 19.93 20.34 20.26 21.02 20.51 7 24.88 26.81 29.16 28.10 27.35 25.60 25.21 24.14 23.90 23.75 24.73 24.42 8 29.08 31.32 34.02 32.88 32.00 29.92 29.71 28.27 27.35 27.16 28.34 28.24 9 33.24 35.77 38.81 37.57 36.53 34.09 34.07 32.28 30.71 30.51 31.85 31.96 10 37.33 40.12 43.50 42.17 40.90 38.11 38.30 36.14 33.95 33.77 35.26 35.56 11 41.38 44.42 48.14 46.71 45.19 42.03 42.42 39.90 37.15 37.00 38.62 39.10 12 45.30 48.59 52.65 51.10 49.31 45.81 46.33 43.48 40.25 40.15 41.90 42.53 13 49.19 52.74 57.15 55.46 53.37 49.53 50.15 46.97 43.33 43.28 45.17 45.94 14 53.01 56.82 61.58 59.73 57.34 53.16 53.83 50.35 46.37 46.37 48.42 49.29 15 56.77 60.84 65.95 63.92 61.22 56.71 57.39 53.62 49.36 49.43 51.63 52.59 16 60.47 64.81 70.26 68.05 65.04 60.20 60.84 56.80 52.32 52.47 54.83 55.87 17 64.09 68.70 74.48 72.07 68.76 63.59 64.17 59.86 55.23 55.46 57.99 59.12 18 67.63 72.55 78.63 76.03 72.43 66.93 67.39 62.83 58.10 58.42 61.15 62.36 19 71.15 76.39 82.75 79.97 76.08 70.24 70.56 65.74 60.97 61.39 64.31 65.62 20 74.59 80.15 86.76 83.81 79.62 73.45 73.60 68.55 63.78 64.29 67.40 68.84 21 78.03 83.93 90.79 87.66 83.17 76.66 76.62 71.35 66.61 67.23 70.52 72.11 22 81.42 87.65 94.74 91.45 86.65 79.79 79.56 74.09 69.41 70.12 73.60 75.36 23 84.72 91.29 98.58 95.17 90.06 82.85 82.42 76.77 72.16 72.96 76.61 78.56 24 88.07 94.99 102.47 98.95 93.51 85.93 85.30 79.50 74.98 75.86 79.67 81.83 25 91.33 98.59 106.23 102.62 96.86 88.91 88.09 82.16 77.73 78.68 82.64 85.02 26 94.56 102.14 109.93 106.26 100.17 91.83 90.83 84.77 80.44 81.49 85.60 88.17 27 97.83 105.73 113.64 109.92 103.50 94.75 93.58 87.39 83.18 84.33 88.58 91.35 28 101.05 109.27 117.28 113.52 106.77 97.60 96.26 89.97 85.88 87.14 91.52 94.48 29 104.28 112.80 120.91 117.13 110.04 100.46 98.95 92.55 88.59 89.96 94.47 97.62 30 107.43 116.22 124.42 120.66 113.24 103.26 101.56 95.06 91.23 92.71 97.35 100.68 31 110.57 119.63 127.90 124.20 116.43 106.05 104.16 97.56 93.86 95.46 100.22 103.75 32 113.69 123.00 131.35 127.72 119.60 108.84 106.74 100.05 96.49 98.19 103.08 106.81 SONDE/SAGE CLIMATOLOGY (1988-2002) for 80-90N Press (mb) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1 1.36 1.42 1.43 1.12 1.03 0.99 0.95 0.98 1.35 1.54 1.42 1.38 2 4.38 4.52 4.74 4.27 3.89 3.62 3.36 3.60 4.49 4.81 4.73 4.50 3 8.09 8.45 9.05 8.63 8.14 7.58 7.02 7.23 7.92 8.25 8.63 8.20 4 12.10 12.75 13.78 13.34 12.89 12.13 11.37 11.25 11.22 11.56 12.57 12.04 5 16.25 17.25 18.65 18.07 17.65 16.77 15.90 15.33 14.39 14.74 16.36 15.93 6 20.45 21.79 23.56 22.79 22.33 21.38 20.43 19.38 17.46 17.81 19.97 19.79 7 24.62 26.28 28.40 27.42 26.86 25.86 24.86 23.33 20.40 20.76 23.38 23.58 8 28.77 30.72 33.20 32.00 31.26 30.22 29.19 27.18 23.29 23.67 26.68 27.28 9 32.88 35.07 37.93 36.51 35.51 34.45 33.38 30.90 26.13 26.56 29.88 30.89 10 36.93 39.33 42.55 40.91 39.61 38.51 37.41 34.48 28.92 29.40 32.98 34.38 11 40.92 43.53 47.13 45.26 43.61 42.46 41.32 37.95 31.70 32.24 36.03 37.80 12 44.77 47.59 51.56 49.48 47.45 46.23 45.01 41.25 34.42 35.02 38.99 41.09 13 48.56 51.63 55.98 53.67 51.23 49.91 48.60 44.47 37.17 37.80 41.94 44.36 14 52.27 55.59 60.32 57.80 54.93 53.48 52.04 47.57 39.91 40.57 44.84 47.55 15 55.90 59.49 64.60 61.85 58.55 56.95 55.35 50.57 42.63 43.32 47.73 50.70 16 59.47 63.33 68.82 65.85 62.13 60.34 58.56 53.48 45.34 46.07 50.60 53.81 17 62.91 67.09 72.95 69.76 65.63 63.63 61.64 56.27 48.03 48.78 53.47 56.87 18 66.25 70.79 77.02 73.61 69.09 66.85 64.62 58.98 50.71 51.47 56.34 59.90 19 69.54 74.47 81.06 77.45 72.55 70.04 67.55 61.62 53.41 54.17 59.24 62.94 20 72.70 78.07 85.00 81.20 75.94 73.12 70.36 64.16 56.08 56.84 62.09 65.92 21 75.83 81.69 88.96 84.96 79.36 76.19 73.15 66.68 58.79 59.54 64.98 68.94 22 78.89 85.26 92.84 88.68 82.74 79.19 75.87 69.15 61.48 62.21 67.85 71.91 23 81.88 88.75 96.64 92.32 86.06 82.12 78.53 71.58 64.14 64.82 70.68 74.84 24 84.90 92.29 100.48 96.03 89.44 85.08 81.21 74.05 66.87 67.48 73.57 77.82 25 87.84 95.73 104.22 99.64 92.73 87.95 83.80 76.47 69.53 70.06 76.39 80.72 26 90.75 99.11 107.91 103.23 95.98 90.79 86.35 78.88 72.17 72.61 79.18 83.60 27 93.70 102.51 111.64 106.87 99.26 93.65 88.92 81.33 74.83 75.19 81.99 86.51 28 96.62 105.84 115.29 110.46 102.48 96.45 91.44 83.76 77.44 77.72 84.76 89.37 29 99.55 109.16 118.96 114.07 105.70 99.25 93.96 86.23 80.07 80.26 87.54 92.26 30 102.42 112.37 122.54 117.61 108.83 101.95 96.42 88.67 82.65 82.75 90.27 95.09 31 105.29 115.56 126.12 121.14 111.94 104.62 98.87 91.15 85.22 85.24 93.00 97.93 32 108.16 118.72 129.68 124.67 115.03 107.27 101.32 93.65 87.80 87.72 95.74 100.78