Name: NH Vortex Area Units: million km!U2!N Level: 460 K Source: MERRA Missing: -9999.0 Climatology: 1978/1979-2011/2012 5-day boxcar smoother applied to all data. Date Data Minimum 10% 30% Mean 70% 90% Maximum 2001-10-01 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-02 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-03 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-04 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-05 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-06 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-07 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-08 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-09 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-10 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-11 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-12 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-13 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-14 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-15 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-16 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-17 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-18 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-19 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-20 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-21 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-22 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-23 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-24 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-25 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-26 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-27 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-28 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-29 16.28 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-30 16.28 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-10-31 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-11-01 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-11-02 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-11-03 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-11-04 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-11-05 16.11 16.11 17.01 18.80 20.59 23.17 25.75 27.04 2001-11-06 15.86 8.53 10.73 15.13 17.82 20.51 24.86 27.04 2001-11-07 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2001-11-08 14.21 14.21 15.04 16.70 18.35 18.60 18.84 18.96 2001-11-09 13.65 11.08 12.11 14.65 18.62 19.17 22.67 24.91 2001-11-10 13.85 11.15 12.23 14.77 18.45 19.67 22.93 24.91 2001-11-11 -9999.0 11.22 13.49 18.02 19.92 21.45 23.75 24.91 2001-11-12 14.50 11.34 13.23 16.13 18.88 19.67 22.26 22.31 2001-11-13 14.98 11.35 13.16 16.38 18.03 20.13 24.62 27.26 2001-11-14 14.98 3.62 8.10 11.34 14.98 17.34 23.37 26.83 2001-11-15 -9999.0 9.59 10.69 12.26 15.32 19.53 25.71 26.83 2001-11-16 -9999.0 9.92 11.23 13.23 14.74 17.04 22.03 26.43 2001-11-17 -9999.0 9.92 11.34 12.24 14.07 17.03 26.64 27.19 2001-11-18 -9999.0 10.94 11.96 13.67 15.98 18.56 26.54 26.97 2001-11-19 -9999.0 5.44 11.31 14.44 18.12 22.75 26.08 27.37 2001-11-20 -9999.0 11.17 11.43 13.22 17.12 21.70 25.57 26.98 2001-11-21 -9999.0 10.13 11.40 13.63 16.08 21.58 25.28 26.58 2001-11-22 -9999.0 10.75 11.09 13.85 15.60 20.97 23.03 27.17 2001-11-23 -9999.0 11.43 11.91 15.54 20.20 21.40 22.39 27.65 2001-11-24 -9999.0 4.61 10.67 13.04 16.21 20.69 23.46 28.21 2001-11-25 -9999.0 8.59 12.64 15.30 16.85 20.83 24.75 29.09 2001-11-26 -9999.0 8.55 9.68 14.55 17.86 20.95 27.90 34.69 2001-11-27 12.83 8.55 11.67 14.35 17.84 21.75 28.32 34.17 2001-11-28 12.83 8.15 9.53 14.57 17.35 20.45 28.03 33.88 2001-11-29 -9999.0 8.18 9.25 15.89 19.60 23.51 27.89 33.89 2001-11-30 -9999.0 8.19 10.36 15.57 18.87 22.36 27.61 33.62 2001-12-01 -9999.0 8.23 12.05 15.80 21.23 24.96 28.08 33.70 2001-12-02 25.87 8.50 11.70 16.09 21.68 24.91 26.88 34.21 2001-12-03 25.59 8.46 11.89 17.10 22.23 24.49 28.48 38.38 2001-12-04 25.59 8.38 12.20 15.92 21.35 24.55 28.72 35.16 2001-12-05 25.01 8.24 13.83 18.11 21.49 24.99 30.54 35.34 2001-12-06 -9999.0 8.28 13.60 17.17 20.64 25.17 30.65 34.95 2001-12-07 24.45 8.30 12.18 18.46 20.63 24.69 30.79 34.59 2001-12-08 23.93 8.36 12.16 18.69 21.45 24.54 29.73 33.87 2001-12-09 24.54 11.70 14.58 19.35 22.79 24.64 29.47 33.43 2001-12-10 25.08 12.00 15.52 20.62 23.46 24.89 30.07 30.67 2001-12-11 24.35 14.16 15.02 20.59 22.79 24.75 29.31 30.51 2001-12-12 25.18 7.21 14.90 19.22 22.94 25.16 28.68 31.12 2001-12-13 25.57 7.33 16.05 18.71 23.62 26.52 28.28 31.19 2001-12-14 25.27 7.37 14.84 21.00 23.26 26.52 28.23 32.00 2001-12-15 25.38 7.52 17.16 21.59 25.09 26.93 29.43 33.67 2001-12-16 26.03 7.59 15.62 20.53 24.54 27.06 29.80 35.27 2001-12-17 26.28 12.44 18.60 20.91 24.84 27.09 29.81 36.53 2001-12-18 27.17 12.62 19.00 21.50 25.46 27.28 29.43 37.32 2001-12-19 27.54 8.37 16.24 22.00 24.90 27.17 28.90 38.14 2001-12-20 27.39 5.47 13.12 21.99 23.59 26.71 28.04 37.78 2001-12-21 27.01 5.47 13.54 20.42 22.54 25.82 27.90 35.22 2001-12-22 26.69 11.26 15.11 20.64 23.71 26.13 27.65 32.67 2001-12-23 25.99 13.38 16.25 20.53 22.87 25.88 27.78 30.15 2001-12-24 27.31 13.54 15.32 20.89 22.71 25.58 27.79 29.03 2001-12-25 27.09 13.70 16.14 21.72 23.79 26.10 28.38 31.69 2001-12-26 28.48 13.66 16.21 21.82 24.25 26.13 29.02 31.54 2001-12-27 29.47 14.20 16.07 22.23 23.95 26.85 29.53 32.09 2001-12-28 29.35 15.82 17.22 22.06 23.88 26.35 29.54 32.52 2001-12-29 27.85 16.13 17.21 22.92 24.13 27.03 29.67 30.06 2001-12-30 28.37 15.54 17.35 23.30 24.68 27.44 28.44 29.92 2001-12-31 27.38 12.10 17.07 23.04 24.93 26.12 28.82 29.98 2002-01-01 26.68 8.46 16.37 22.57 24.76 26.64 29.06 30.34 2002-01-02 27.28 8.15 15.27 21.52 24.73 26.73 29.26 30.04 2002-01-03 -9999.0 7.77 14.99 20.04 23.97 26.15 29.13 32.12 2002-01-04 -9999.0 7.41 15.13 19.84 23.87 25.51 29.20 34.76 2002-01-05 -9999.0 7.16 15.21 20.75 23.48 25.86 29.08 32.52 2002-01-06 -9999.0 7.09 15.23 21.60 22.97 25.84 29.21 30.89 2002-01-07 -9999.0 9.69 16.36 20.84 23.39 25.95 29.18 29.60 2002-01-08 -9999.0 9.91 16.87 20.91 23.60 25.03 28.94 29.39 2002-01-09 28.58 10.18 17.99 20.89 23.56 25.44 28.91 29.49 2002-01-10 28.58 10.33 16.83 21.32 23.74 25.23 28.55 29.46 2002-01-11 -9999.0 10.46 17.23 22.13 23.85 25.55 27.46 29.52 2002-01-12 -9999.0 10.55 17.16 22.30 23.43 25.19 28.66 29.60 2002-01-13 23.59 10.71 17.50 22.36 23.59 25.59 28.78 30.10 2002-01-14 23.44 10.74 16.55 20.98 23.40 25.39 29.40 31.35 2002-01-15 23.40 10.85 17.30 21.21 22.44 25.39 29.75 31.57 2002-01-16 23.65 10.99 16.33 21.48 22.47 24.92 29.36 32.08 2002-01-17 23.48 10.95 15.91 20.72 22.61 26.31 28.55 31.96 2002-01-18 -9999.0 10.50 15.51 20.52 22.68 26.06 28.55 31.97 2002-01-19 22.58 10.20 15.57 20.67 22.86 25.33 28.38 35.25 2002-01-20 22.08 9.95 15.58 20.86 22.47 25.06 28.37 35.03 2002-01-21 21.88 9.58 16.42 21.54 22.76 25.78 29.19 34.62 2002-01-22 21.30 10.40 17.26 21.59 22.69 26.03 29.01 34.71 2002-01-23 20.08 11.86 18.12 21.41 23.09 25.89 29.01 37.87 2002-01-24 19.07 13.29 18.60 20.91 23.23 25.20 28.33 37.74 2002-01-25 18.04 13.29 17.67 21.54 23.30 25.39 28.24 38.06 2002-01-26 17.01 7.31 14.60 20.56 22.53 24.50 28.20 35.32 2002-01-27 16.20 12.29 15.85 19.60 22.90 24.44 27.79 34.86 2002-01-28 16.01 10.90 16.01 19.73 23.09 24.89 27.01 34.73 2002-01-29 15.97 10.88 15.97 19.82 21.71 24.87 27.15 34.30 2002-01-30 15.88 12.24 14.42 19.61 21.80 24.72 26.99 34.01 2002-01-31 15.90 5.72 14.68 18.97 21.82 24.58 26.85 36.79 2002-02-01 15.90 5.72 14.60 19.14 22.33 24.85 28.20 36.85 2002-02-02 16.08 5.50 15.45 19.52 22.93 24.95 29.84 36.48 2002-02-03 16.25 11.82 14.79 19.92 21.63 25.39 29.92 36.80 2002-02-04 16.46 4.60 12.67 19.22 22.39 25.64 27.82 37.08 2002-02-05 16.50 4.97 13.15 18.36 21.04 24.85 28.55 37.00 2002-02-06 16.56 10.42 14.29 19.25 20.88 24.19 30.50 37.21 2002-02-07 16.40 10.28 15.31 18.96 20.52 23.50 30.60 37.17 2002-02-08 16.32 9.36 13.85 19.48 20.59 23.32 30.63 36.76 2002-02-09 16.24 4.78 13.89 19.21 21.12 23.15 29.19 35.75 2002-02-10 16.59 8.34 14.13 18.49 20.74 24.14 29.54 35.32 2002-02-11 16.93 8.81 15.95 19.43 21.45 25.51 29.22 34.79 2002-02-12 17.00 8.55 13.80 19.06 21.04 24.75 29.37 33.97 2002-02-13 16.84 8.88 13.73 18.82 21.48 23.81 27.94 34.92 2002-02-14 16.46 8.67 13.17 18.42 21.97 23.88 28.79 34.37 2002-02-15 15.71 8.78 13.30 18.08 21.70 23.87 30.68 33.91 2002-02-16 14.92 2.05 11.96 17.70 21.26 23.85 29.57 33.99 2002-02-17 14.58 8.59 13.08 17.65 21.16 23.64 28.48 37.20 2002-02-18 14.33 8.02 11.99 17.79 20.40 23.36 28.14 35.03 2002-02-19 14.39 7.98 11.65 17.41 19.93 23.10 28.30 34.27 2002-02-20 14.45 7.55 11.58 16.77 19.27 22.97 28.24 34.78 2002-02-21 14.57 6.98 11.08 16.91 19.98 22.81 27.99 35.52 2002-02-22 14.67 6.82 12.09 17.55 20.03 22.84 28.64 35.09 2002-02-23 14.79 7.03 10.10 16.90 19.78 23.67 28.53 36.69 2002-02-24 14.88 7.17 12.43 17.16 19.72 24.18 27.50 36.88 2002-02-25 14.88 7.64 12.01 16.83 19.81 24.30 26.46 36.44 2002-02-26 15.03 7.90 12.24 16.27 19.92 24.04 26.70 34.84 2002-02-27 14.93 8.33 9.98 15.84 20.08 23.41 27.35 35.29 2002-02-28 14.91 8.51 10.19 14.87 20.03 22.76 27.43 33.13 2002-03-01 14.88 8.40 9.81 14.89 19.21 22.37 27.47 31.98 2002-03-02 15.07 8.14 9.70 14.54 18.50 22.13 25.09 31.70 2002-03-03 14.83 7.81 12.39 15.49 18.73 21.86 25.05 29.84 2002-03-04 14.80 7.58 12.57 15.77 18.80 22.55 25.63 30.83 2002-03-05 15.00 7.41 12.42 15.89 18.41 21.70 24.92 30.88 2002-03-06 15.15 7.27 12.24 15.06 19.23 22.33 24.99 29.86 2002-03-07 15.26 7.15 10.73 14.33 18.99 21.79 24.12 30.40 2002-03-08 15.86 8.22 11.28 14.83 18.50 20.40 24.39 31.03 2002-03-09 16.86 8.34 11.19 14.67 18.66 21.26 24.23 30.39 2002-03-10 16.35 8.54 10.77 14.01 19.30 21.16 23.99 29.53 2002-03-11 16.50 8.48 12.30 13.70 19.68 21.36 24.14 28.85 2002-03-12 15.90 8.52 11.87 14.50 18.55 21.19 23.82 27.98 2002-03-13 -9999.0 8.53 10.89 13.94 18.31 21.76 23.91 26.83 2002-03-14 13.83 8.55 9.62 13.73 18.11 21.59 23.93 26.29 2002-03-15 14.02 8.53 10.28 13.46 17.56 20.92 24.23 26.06 2002-03-16 14.02 2.98 9.78 13.27 18.65 20.78 24.52 26.43 2002-03-17 -9999.0 8.84 10.67 13.09 18.11 20.70 24.80 26.98 2002-03-18 -9999.0 9.01 9.56 12.85 17.06 20.47 24.06 27.00 2002-03-19 -9999.0 3.06 9.01 12.90 14.83 20.40 23.83 25.99 2002-03-20 -9999.0 8.14 10.93 12.86 15.95 20.50 23.29 25.48 2002-03-21 -9999.0 3.06 8.22 12.19 15.13 20.39 21.92 25.87 2002-03-22 -9999.0 6.39 8.58 13.35 14.92 19.77 21.23 26.03 2002-03-23 -9999.0 6.39 8.60 13.62 15.29 19.10 20.14 26.05 2002-03-24 -9999.0 4.15 6.58 13.65 15.44 18.84 19.93 26.13 2002-03-25 -9999.0 4.24 9.09 12.76 15.37 17.93 19.40 25.96 2002-03-26 10.51 4.31 5.80 11.81 14.19 15.65 18.75 25.82 2002-03-27 10.51 4.47 5.82 10.87 14.24 16.42 19.07 25.97 2002-03-28 -9999.0 4.54 5.61 11.36 14.46 16.95 18.94 26.31 2002-03-29 -9999.0 4.51 5.64 9.75 14.24 16.17 20.16 26.52 2002-03-30 -9999.0 4.50 5.81 9.80 14.11 14.53 18.68 26.58 2002-03-31 -9999.0 4.46 6.51 10.08 13.84 16.11 18.73 26.73 2002-04-01 -9999.0 4.45 6.54 10.23 13.95 16.61 17.83 26.89 2002-04-02 -9999.0 4.42 6.70 10.23 13.80 16.12 17.86 27.03 2002-04-03 8.45 4.44 8.12 11.35 13.46 14.77 17.90 26.72 2002-04-04 8.68 3.40 6.03 8.65 12.78 14.77 18.24 26.67 2002-04-05 8.80 3.40 4.30 8.42 12.53 14.13 18.30 26.38 2002-04-06 8.91 1.88 4.02 8.79 12.50 14.29 18.29 26.26 2002-04-07 9.09 4.50 5.68 11.07 12.77 14.30 17.05 25.81 2002-04-08 9.22 4.51 6.16 11.31 12.48 15.89 18.48 26.00 2002-04-09 -9999.0 4.42 8.76 11.71 13.25 16.19 19.10 25.63 2002-04-10 -9999.0 4.45 8.76 11.18 12.08 15.23 16.64 25.63 2002-04-11 -9999.0 4.48 8.85 10.94 11.69 14.78 16.63 25.18 2002-04-12 -9999.0 4.27 9.04 10.94 11.80 14.25 16.50 23.97 2002-04-13 -9999.0 3.37 9.32 11.00 12.00 13.72 16.54 22.86 2002-04-14 -9999.0 10.43 10.96 11.55 12.63 14.17 17.64 22.09 2002-04-15 -9999.0 10.12 10.76 11.39 12.23 13.52 17.57 21.21 2002-04-16 -9999.0 11.15 11.60 12.28 12.73 15.06 17.88 20.34 2002-04-17 -9999.0 6.21 7.25 10.44 12.14 13.22 17.14 20.41 2002-04-18 -9999.0 6.21 9.09 12.44 12.86 14.81 17.72 20.37 2002-04-19 -9999.0 6.21 8.59 11.97 13.58 15.09 18.14 20.28 2002-04-20 -9999.0 10.97 11.77 13.37 14.86 16.49 18.95 20.19 2002-04-21 5.24 5.24 6.98 10.47 13.45 16.26 18.67 19.88 2002-04-22 5.24 5.24 7.01 10.55 13.37 16.03 18.62 19.92 2002-04-23 -9999.0 9.74 10.17 11.03 13.29 15.86 18.59 19.96 2002-04-24 -9999.0 9.74 10.84 13.03 15.22 17.11 18.99 19.93 2002-04-25 -9999.0 14.82 15.32 16.33 17.34 18.35 19.35 19.86 2002-04-26 -9999.0 9.32 10.40 12.56 14.72 16.88 19.04 20.12 2002-04-27 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2002-04-28 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2002-04-29 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2002-04-30 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00