Name: NH Vortex Area Units: million km!U2!N Level: 460 K Source: MERRA2 Missing: -9999.0 Climatology: 1978/1979 to 2025/2026 Date Data Minimum 10% 30% Mean 70% 90% Maximum 1997-07-01 12.60 0.97 4.46 10.15 15.05 19.31 27.08 32.98 1997-07-02 17.04 0.75 1.52 9.46 14.90 20.55 25.04 33.17 1997-07-03 28.13 0.33 1.25 6.76 14.43 19.97 29.45 33.06 1997-07-04 28.06 0.23 2.63 10.47 16.64 20.69 30.92 36.08 1997-07-05 33.37 0.39 4.43 8.47 13.52 17.44 25.49 33.37 1997-07-06 29.01 0.21 1.62 8.59 14.36 20.09 26.63 30.58 1997-07-07 29.01 1.54 2.23 8.34 14.51 19.25 27.40 36.33 1997-07-08 29.58 0.25 2.91 8.69 15.44 23.40 27.78 31.78 1997-07-09 -9999.0 0.18 1.81 8.41 14.67 16.58 31.33 38.00 1997-07-10 -9999.0 0.46 0.84 9.45 15.03 19.58 30.93 39.24 1997-07-11 -9999.0 0.67 2.15 11.65 16.46 20.07 23.50 46.44 1997-07-12 -9999.0 0.60 1.41 8.50 14.25 19.86 24.21 30.80 1997-07-13 -9999.0 0.76 8.51 11.75 17.55 22.87 28.51 41.27 1997-07-14 30.00 1.12 3.23 10.99 16.02 22.25 28.75 39.85 1997-07-15 22.74 0.47 3.99 12.30 17.36 23.28 27.87 41.51 1997-07-16 33.78 0.47 2.82 12.00 16.01 20.54 27.89 33.78 1997-07-17 29.96 4.44 7.62 10.98 19.58 27.83 30.14 32.13 1997-07-18 -9999.0 1.64 4.95 16.03 18.35 23.61 28.11 30.50 1997-07-19 23.30 4.04 8.52 15.07 19.70 23.39 29.40 40.94 1997-07-20 -9999.0 3.24 8.75 15.68 19.07 21.69 29.49 33.67 1997-07-21 22.90 1.48 7.51 12.03 17.20 22.25 28.51 32.53 1997-07-22 22.94 1.67 4.49 12.31 16.62 21.90 26.89 28.85 1997-07-23 16.82 3.17 7.69 8.94 16.75 22.63 29.40 30.66 1997-07-24 10.69 4.52 6.61 9.91 13.38 15.29 20.57 26.58 1997-07-25 5.18 4.40 5.92 10.29 17.01 22.14 29.37 32.17 1997-07-26 -9999.0 1.63 4.06 8.59 14.39 21.51 26.39 29.22 1997-07-27 -9999.0 1.55 4.42 10.22 18.15 23.63 32.21 34.02 1997-07-28 -9999.0 0.18 3.65 10.05 18.53 22.63 34.63 39.26 1997-07-29 17.08 0.48 4.34 13.23 17.51 22.96 28.73 41.90 1997-07-30 -9999.0 0.28 6.01 9.95 16.10 21.88 27.57 36.97 1997-07-31 -9999.0 0.80 6.39 12.13 17.43 21.79 30.86 42.71 1997-08-01 17.24 1.80 9.57 13.75 18.18 21.99 27.63 32.15 1997-08-02 16.33 1.73 12.35 17.51 22.16 24.42 35.05 42.67 1997-08-03 24.75 1.71 8.99 12.88 19.66 24.75 30.90 41.63 1997-08-04 -9999.0 0.11 9.22 15.80 22.16 26.66 39.12 40.78 1997-08-05 -9999.0 0.14 8.33 13.20 19.65 22.98 32.00 42.17 1997-08-06 -9999.0 7.65 8.82 19.72 23.28 30.39 33.16 42.51 1997-08-07 -9999.0 0.18 7.09 18.95 22.33 26.38 35.69 43.52 1997-08-08 27.48 8.74 13.55 17.97 25.07 28.62 39.48 53.88 1997-08-09 15.57 7.66 10.60 17.24 21.82 25.16 35.72 41.96 1997-08-10 -9999.0 0.51 7.23 16.03 21.28 24.48 35.86 52.59 1997-08-11 -9999.0 4.92 10.51 16.94 23.54 30.95 34.71 47.89 1997-08-12 19.92 5.19 10.78 16.62 21.40 25.83 36.37 48.17 1997-08-13 -9999.0 0.22 10.78 16.63 22.85 29.92 38.35 43.15 1997-08-14 15.91 0.27 9.38 17.82 24.74 29.80 39.31 45.13 1997-08-15 7.48 5.76 6.93 18.35 20.57 24.35 31.72 39.17 1997-08-16 4.74 4.74 6.71 22.79 25.81 33.11 38.99 39.90 1997-08-17 8.61 8.61 10.74 15.34 22.00 28.09 34.38 42.03 1997-08-18 5.04 5.04 12.39 17.33 23.58 30.35 38.28 41.36 1997-08-19 -9999.0 9.17 14.66 17.98 25.05 29.51 40.12 44.34 1997-08-20 10.97 6.41 13.42 19.28 22.91 25.72 32.85 34.37 1997-08-21 16.28 10.91 14.65 19.26 26.03 31.58 41.15 45.07 1997-08-22 19.02 3.09 10.95 19.28 22.22 27.10 31.85 39.44 1997-08-23 25.67 4.67 8.94 18.63 23.12 27.11 37.16 42.91 1997-08-24 34.66 4.23 12.70 18.54 24.11 28.89 36.93 43.05 1997-08-25 -9999.0 6.34 10.08 19.88 23.72 26.78 35.87 45.96 1997-08-26 -9999.0 9.67 16.23 18.22 27.75 36.41 40.81 47.53 1997-08-27 28.84 3.84 10.26 18.75 26.52 33.98 41.75 46.20 1997-08-28 23.76 0.84 12.96 21.51 26.85 33.68 39.86 41.04 1997-08-29 21.62 7.67 15.96 19.95 27.48 31.57 40.96 47.42 1997-08-30 12.49 0.20 11.85 16.86 22.95 29.04 34.39 42.20 1997-08-31 13.57 1.50 7.89 13.57 20.51 28.78 34.14 38.68 1997-09-01 23.95 0.99 6.75 11.99 20.62 26.94 36.57 40.61 1997-09-02 -9999.0 4.20 7.80 15.45 21.92 24.98 37.63 47.53 1997-09-03 23.72 0.92 6.17 12.42 20.44 25.99 35.01 47.61 1997-09-04 29.70 0.96 5.21 15.22 22.86 30.76 37.03 46.80 1997-09-05 -9999.0 2.99 4.98 13.06 19.32 25.67 31.74 46.58 1997-09-06 34.05 3.03 5.91 15.72 21.43 26.81 36.23 47.56 1997-09-07 22.98 2.64 8.56 14.66 21.80 27.29 37.21 52.10 1997-09-08 18.20 2.37 8.00 15.55 22.14 26.26 34.67 52.10 1997-09-09 23.50 2.12 10.74 16.94 23.54 29.10 42.01 47.12 1997-09-10 -9999.0 1.99 7.80 13.77 20.43 25.00 33.60 39.48 1997-09-11 16.90 2.99 4.95 16.13 21.61 29.20 36.10 48.91 1997-09-12 18.65 1.76 7.03 17.64 22.01 26.51 35.21 49.24 1997-09-13 -9999.0 2.68 13.06 18.13 23.75 30.87 34.83 44.21 1997-09-14 -9999.0 3.15 12.42 18.74 24.57 32.38 38.36 42.10 1997-09-15 23.60 3.92 9.83 21.33 24.25 30.46 35.54 45.97 1997-09-16 18.28 8.24 10.60 18.79 23.86 27.38 34.24 54.62 1997-09-17 14.99 4.55 10.61 15.01 22.12 26.24 37.14 52.36 1997-09-18 27.20 6.79 12.59 15.43 23.15 26.95 37.01 48.33 1997-09-19 30.45 7.00 13.89 17.43 24.37 30.46 37.42 41.36 1997-09-20 25.58 6.41 11.57 21.33 25.20 32.31 35.42 42.95 1997-09-21 32.92 4.58 12.37 21.38 25.70 32.81 37.56 41.70 1997-09-22 40.15 5.73 11.23 16.19 23.08 28.17 34.86 42.76 1997-09-23 39.30 3.07 11.02 15.99 23.31 27.99 35.02 45.66 1997-09-24 28.63 4.54 10.92 17.97 23.22 28.31 37.37 44.38 1997-09-25 -9999.0 5.23 8.98 17.44 20.61 23.59 26.16 48.42 1997-09-26 37.53 9.24 11.02 17.90 21.65 24.81 33.56 43.28 1997-09-27 30.95 5.15 11.64 18.51 22.97 26.99 34.65 48.62 1997-09-28 29.69 2.70 10.91 15.07 21.22 26.24 32.50 44.33 1997-09-29 28.67 3.29 9.29 13.20 19.84 25.45 31.13 39.05 1997-09-30 -9999.0 4.73 12.18 14.55 20.62 25.39 33.17 37.82 1997-10-01 35.46 4.89 10.47 14.83 20.16 23.49 32.83 41.12 1997-10-02 35.59 7.03 10.16 15.33 19.46 22.41 28.81 35.59 1997-10-03 40.45 5.56 10.62 15.75 19.98 23.22 31.91 40.45 1997-10-04 38.35 6.15 11.06 16.38 20.82 23.96 32.50 38.38 1997-10-05 35.43 6.64 10.55 15.50 20.08 23.95 31.65 35.43 1997-10-06 34.65 4.34 11.22 16.44 21.47 23.90 33.99 48.84 1997-10-07 31.73 3.69 10.75 15.89 21.81 25.71 31.60 41.94 1997-10-08 28.68 5.46 10.15 16.94 21.69 26.86 29.49 44.76 1997-10-09 27.76 5.92 11.65 16.33 20.94 25.29 29.93 42.48 1997-10-10 25.39 7.86 13.23 16.56 21.37 25.09 31.24 37.40 1997-10-11 22.90 8.21 11.31 16.99 20.87 23.92 32.82 35.91 1997-10-12 20.14 8.01 11.84 15.98 20.58 22.93 31.40 38.53 1997-10-13 20.42 6.74 11.33 14.04 19.70 23.90 29.79 36.82 1997-10-14 18.23 8.63 10.38 15.46 19.83 23.78 31.41 36.35 1997-10-15 15.83 5.60 9.84 15.15 19.60 22.55 30.52 40.91 1997-10-16 14.96 6.53 10.09 16.31 19.29 22.16 28.31 36.85 1997-10-17 12.71 7.20 10.05 15.31 19.60 23.29 30.10 44.48 1997-10-18 12.24 5.26 9.75 14.82 19.34 21.70 32.44 39.33 1997-10-19 11.78 5.57 9.86 14.91 19.82 23.48 32.77 40.07 1997-10-20 11.52 6.33 8.78 15.40 19.82 24.49 30.82 43.85 1997-10-21 11.29 6.15 8.83 15.09 19.47 22.66 30.22 43.42 1997-10-22 12.74 5.25 10.01 16.00 19.97 23.40 30.48 41.39 1997-10-23 12.35 6.11 12.05 15.42 20.03 22.44 31.85 40.70 1997-10-24 12.46 7.72 11.65 15.77 19.77 22.49 30.07 36.93 1997-10-25 12.27 7.28 11.13 15.27 19.53 22.12 30.85 35.23 1997-10-26 11.67 7.66 11.30 15.51 19.62 24.33 29.35 40.07 1997-10-27 10.73 6.26 12.33 14.79 19.33 22.65 27.55 40.75 1997-10-28 10.36 6.22 12.72 14.81 18.90 21.73 27.61 39.54 1997-10-29 10.19 6.57 11.26 15.22 19.24 21.97 28.75 38.59 1997-10-30 9.84 7.01 9.71 15.17 18.94 21.36 28.38 39.89 1997-10-31 9.70 6.65 9.26 15.28 18.76 20.99 27.49 44.55 1997-11-01 9.84 5.92 9.57 15.28 18.60 21.67 26.57 43.85 1997-11-02 10.07 5.66 9.21 14.70 18.25 22.35 26.47 39.78 1997-11-03 9.89 4.76 9.12 14.12 17.66 21.05 25.44 32.92 1997-11-04 10.95 5.01 10.16 13.63 17.30 20.56 25.09 31.51 1997-11-05 12.81 4.65 10.68 13.99 17.04 19.78 24.47 29.68 1997-11-06 14.97 6.14 11.44 13.95 17.07 19.12 24.42 28.29 1997-11-07 17.31 7.45 11.20 14.53 17.25 19.34 24.49 32.58 1997-11-08 19.50 8.49 11.76 13.89 17.50 19.70 24.04 34.91 1997-11-09 19.50 7.58 11.76 14.22 17.71 20.43 24.24 33.50 1997-11-10 20.42 6.15 11.24 14.73 17.94 20.44 25.38 29.33 1997-11-11 21.79 7.77 11.48 14.23 18.17 21.45 25.50 29.52 1997-11-12 22.51 5.47 11.39 14.39 18.16 21.04 25.83 31.36 1997-11-13 23.12 7.24 11.28 14.84 18.27 21.14 25.45 30.75 1997-11-14 24.90 8.35 11.50 15.11 18.49 21.80 24.79 30.20 1997-11-15 25.31 7.91 11.39 15.36 18.53 21.51 24.79 30.12 1997-11-16 25.32 7.76 11.40 14.98 18.51 22.15 24.61 29.45 1997-11-17 25.00 6.90 11.36 15.22 18.72 22.45 25.10 32.79 1997-11-18 24.98 4.81 11.53 14.99 18.92 22.64 26.41 35.66 1997-11-19 25.51 4.78 11.16 14.59 18.98 22.85 26.25 35.25 1997-11-20 24.75 4.71 11.44 14.93 19.12 23.48 26.18 36.36 1997-11-21 23.73 4.67 11.48 15.13 19.35 23.75 27.65 36.69 1997-11-22 23.05 5.07 11.79 14.72 19.71 23.21 29.12 36.24 1997-11-23 21.98 5.32 12.02 15.68 19.74 23.09 29.09 34.03 1997-11-24 20.50 5.42 12.09 15.79 19.72 23.09 29.42 32.97 1997-11-25 20.19 5.19 11.75 15.86 19.85 23.59 29.37 35.40 1997-11-26 20.45 7.24 11.83 15.87 19.96 24.82 29.29 34.26 1997-11-27 19.96 7.40 12.10 16.07 20.20 24.87 29.15 34.23 1997-11-28 21.56 7.72 11.95 16.62 20.66 25.35 29.07 33.97 1997-11-29 23.44 8.14 12.82 16.79 21.06 25.53 28.98 33.90 1997-11-30 25.36 8.47 12.75 18.24 21.64 25.36 30.98 33.91 1997-12-01 26.51 8.64 12.77 19.02 21.94 25.57 31.68 35.30 1997-12-02 27.28 8.84 13.04 19.00 22.24 25.54 31.78 34.60 1997-12-03 25.05 8.71 13.61 19.25 22.45 25.67 31.65 34.78 1997-12-04 22.56 8.74 14.11 18.61 22.72 26.18 32.67 37.08 1997-12-05 20.37 8.58 14.18 18.94 22.80 25.37 33.14 35.83 1997-12-06 18.40 8.50 14.90 18.39 23.01 25.82 32.77 35.84 1997-12-07 17.59 8.66 14.38 18.75 23.05 26.74 31.66 35.72 1997-12-08 18.66 8.36 14.37 20.06 23.07 26.61 32.03 35.53 1997-12-09 18.79 8.05 14.30 20.82 23.03 26.31 31.76 33.85 1997-12-10 18.55 7.75 14.81 20.33 22.86 25.57 29.80 33.45 1997-12-11 18.37 7.36 14.26 19.99 22.66 25.77 30.58 33.28 1997-12-12 18.35 6.86 13.76 19.90 22.51 25.75 31.13 34.12 1997-12-13 17.98 6.96 13.73 19.29 22.59 26.24 31.47 34.40 1997-12-14 18.86 6.95 14.03 19.62 22.80 26.12 31.44 34.97 1997-12-15 19.02 6.95 13.61 19.99 23.05 26.71 30.29 36.09 1997-12-16 19.58 8.11 12.91 20.01 23.19 27.03 31.06 35.75 1997-12-17 19.46 6.06 12.41 20.69 23.28 26.68 30.79 36.77 1997-12-18 18.74 5.02 12.64 20.70 22.94 26.55 30.27 37.70 1997-12-19 18.82 5.38 13.33 20.43 22.60 26.75 29.08 38.47 1997-12-20 19.14 5.59 13.46 20.36 22.30 25.67 28.72 38.93 1997-12-21 20.93 5.96 15.17 20.25 22.32 25.84 28.49 36.27 1997-12-22 19.88 11.01 15.67 20.08 22.51 25.83 28.54 33.24 1997-12-23 21.36 12.81 16.82 20.33 22.87 26.24 28.64 32.67 1997-12-24 21.84 14.45 17.14 20.54 23.27 26.12 28.95 32.04 1997-12-25 22.96 14.70 17.11 21.62 23.56 26.56 29.09 31.40 1997-12-26 21.67 14.70 17.13 20.83 23.70 27.27 29.16 32.63 1997-12-27 23.61 15.27 16.19 21.26 23.57 26.72 29.40 32.89 1997-12-28 24.07 15.50 16.92 20.93 23.62 26.67 29.96 33.32 1997-12-29 20.41 14.97 17.15 20.47 23.47 26.55 29.56 33.93 1997-12-30 19.74 12.67 16.68 20.15 23.23 25.90 28.75 35.11 1997-12-31 19.38 10.26 16.83 21.76 23.18 25.50 28.66 34.18 1998-01-01 19.41 7.74 16.75 22.70 23.49 25.93 28.89 33.22 1998-01-02 18.83 7.47 15.62 21.82 23.55 26.45 29.17 31.01 1998-01-03 22.82 7.26 16.82 22.73 23.62 26.28 29.71 30.72 1998-01-04 23.51 7.04 16.83 22.43 23.76 26.56 29.99 35.22 1998-01-05 22.75 6.85 17.70 22.45 23.98 26.59 30.58 37.67 1998-01-06 21.36 6.69 17.73 21.94 23.86 26.19 30.64 37.16 1998-01-07 20.21 6.63 17.34 22.14 23.79 26.67 29.75 36.58 1998-01-08 18.88 8.42 16.97 21.54 23.69 26.03 29.28 35.93 1998-01-09 18.53 10.28 17.81 21.28 23.71 26.66 29.15 36.29 1998-01-10 19.71 10.69 17.83 20.94 23.71 26.17 28.60 36.60 1998-01-11 20.50 10.60 18.50 21.32 23.78 26.20 28.78 33.77 1998-01-12 21.22 10.33 18.56 21.26 23.69 26.18 28.57 33.09 1998-01-13 20.85 8.55 18.66 21.28 23.68 26.46 29.30 36.37 1998-01-14 20.58 8.65 18.76 21.24 23.62 26.12 29.30 35.68 1998-01-15 20.36 8.72 18.35 21.40 23.36 25.48 29.46 36.67 1998-01-16 20.91 8.71 18.12 20.99 23.09 25.48 29.57 37.01 1998-01-17 20.80 8.71 17.59 20.38 23.05 26.48 29.40 37.01 1998-01-18 21.53 10.35 17.20 20.58 23.19 26.67 30.07 34.05 1998-01-19 21.14 9.86 17.30 20.56 23.25 26.79 30.57 33.05 1998-01-20 20.37 9.80 17.74 20.21 23.12 26.00 29.78 33.35 1998-01-21 19.95 9.65 16.61 20.47 23.27 26.38 29.81 35.11 1998-01-22 19.88 9.89 16.24 20.18 23.61 26.97 30.04 33.89 1998-01-23 19.80 9.47 16.41 20.12 23.64 26.23 30.60 33.13 1998-01-24 19.83 7.18 16.93 20.55 23.46 27.14 30.25 33.46 1998-01-25 19.99 7.43 17.85 21.25 23.55 26.80 29.37 34.51 1998-01-26 19.67 8.97 17.25 21.01 23.36 26.21 29.83 35.06 1998-01-27 19.40 9.63 15.93 20.58 22.68 25.33 28.58 35.01 1998-01-28 19.17 10.37 14.53 19.97 22.22 25.24 27.88 34.94 1998-01-29 18.65 9.67 15.40 19.76 21.93 24.57 27.78 37.37 1998-01-30 18.82 8.91 14.68 19.81 21.69 24.53 27.20 37.26 1998-01-31 17.64 6.81 14.99 19.23 21.58 24.76 26.61 36.90 1998-02-01 16.34 4.38 14.84 18.99 21.58 24.81 26.66 36.60 1998-02-02 15.08 4.28 14.72 18.79 21.35 24.63 27.25 36.62 1998-02-03 14.20 4.56 14.09 18.35 21.33 24.65 27.70 37.00 1998-02-04 12.83 4.09 12.98 18.20 21.24 24.75 28.73 37.10 1998-02-05 12.94 4.07 11.82 17.74 20.99 24.73 29.15 35.78 1998-02-06 13.36 3.72 11.10 17.58 20.79 24.74 29.41 38.27 1998-02-07 13.53 3.66 10.43 18.21 20.91 24.99 29.02 37.82 1998-02-08 13.59 3.52 9.84 18.06 20.80 24.82 27.98 37.75 1998-02-09 13.71 3.49 9.72 18.42 20.66 24.73 27.82 37.65 1998-02-10 13.59 3.39 10.27 18.67 20.56 24.22 27.73 37.37 1998-02-11 13.42 3.25 10.75 18.27 20.42 23.47 28.76 35.14 1998-02-12 13.47 2.79 10.40 18.08 20.24 23.53 29.53 34.77 1998-02-13 13.42 2.59 10.75 17.57 20.06 23.71 29.74 36.81 1998-02-14 13.25 2.37 10.02 17.14 19.87 23.45 29.50 37.36 1998-02-15 13.30 2.26 11.12 17.00 19.93 23.58 28.93 37.52 1998-02-16 13.27 2.03 11.75 17.24 19.96 23.19 28.41 37.44 1998-02-17 13.25 1.99 11.40 17.44 19.75 22.94 28.14 37.04 1998-02-18 13.20 1.86 11.03 16.93 19.62 23.02 29.04 36.79 1998-02-19 13.23 2.01 10.38 16.70 19.48 22.56 29.38 39.74 1998-02-20 13.03 2.04 10.21 16.71 19.35 22.70 28.94 38.93 1998-02-21 13.08 2.18 9.57 16.43 19.02 21.99 29.36 38.36 1998-02-22 12.98 2.19 9.30 16.76 19.11 22.70 29.50 39.41 1998-02-23 13.20 2.13 9.81 16.68 19.27 22.87 29.01 40.93 1998-02-24 13.43 2.20 9.17 16.46 19.25 22.21 29.04 39.37 1998-02-25 13.52 2.43 9.01 15.97 19.25 23.12 29.18 38.98 1998-02-26 14.09 2.50 8.73 15.76 19.30 23.24 28.10 38.33 1998-02-27 13.63 2.24 8.57 15.69 19.22 23.01 28.60 46.36 1998-02-28 13.23 2.04 8.77 15.21 18.90 22.89 28.28 45.83 1998-03-01 12.74 1.77 8.50 14.60 18.58 22.55 27.80 44.58 1998-03-02 12.57 1.86 8.46 14.31 18.26 22.29 27.67 43.12 1998-03-03 12.03 1.70 8.50 14.04 17.98 21.69 26.95 41.45 1998-03-04 12.28 1.83 9.38 14.32 17.80 21.50 26.56 36.96 1998-03-05 12.32 1.94 9.32 14.01 17.57 21.72 26.66 33.01 1998-03-06 12.39 2.02 9.52 13.56 17.32 21.98 25.71 30.02 1998-03-07 12.56 1.62 9.02 13.25 17.08 21.20 24.26 29.87 1998-03-08 12.38 1.66 8.60 12.59 16.95 21.92 24.97 29.70 1998-03-09 12.38 2.48 8.31 12.36 16.80 21.58 26.03 30.79 1998-03-10 12.47 2.39 7.66 12.22 16.49 21.18 25.14 29.41 1998-03-11 12.65 2.29 7.35 12.56 16.20 20.23 25.00 30.05 1998-03-12 12.69 2.31 7.88 12.61 15.99 20.26 25.10 30.19 1998-03-13 12.75 2.24 8.01 12.52 15.67 19.33 24.25 29.96 1998-03-14 13.02 1.46 7.65 11.85 15.53 19.42 24.33 29.31 1998-03-15 13.29 1.45 7.37 12.00 15.45 19.61 24.95 28.44 1998-03-16 13.29 1.57 6.93 12.04 15.33 19.34 24.58 28.19 1998-03-17 14.66 1.43 7.75 11.75 15.16 18.81 24.53 28.29 1998-03-18 15.97 1.41 8.01 11.41 14.96 18.65 23.43 30.21 1998-03-19 17.28 1.31 7.41 9.59 14.65 18.07 23.87 32.97 1998-03-20 18.34 1.27 7.02 9.91 14.55 18.41 24.06 31.53 1998-03-21 19.54 1.23 6.49 10.00 14.50 17.01 24.94 32.12 1998-03-22 19.56 1.31 6.05 9.98 14.40 17.94 23.56 32.54 1998-03-23 19.53 1.53 5.87 9.39 14.25 17.59 23.05 32.21 1998-03-24 19.76 1.45 5.96 9.49 14.17 16.94 23.92 32.94 1998-03-25 17.81 1.36 5.39 9.83 14.11 16.93 23.83 39.13 1998-03-26 17.14 1.29 5.53 10.03 13.84 16.87 24.21 33.75 1998-03-27 14.98 1.26 5.54 10.06 13.67 15.13 24.68 33.48 1998-03-28 12.81 1.16 5.42 9.44 13.51 15.09 25.14 37.76 1998-03-29 10.70 1.44 5.31 9.18 13.52 16.07 24.83 37.74 1998-03-30 10.85 1.47 4.92 8.89 13.39 16.53 24.64 35.40 1998-03-31 9.30 1.59 4.90 8.49 13.31 16.79 24.44 38.34 1998-04-01 8.67 1.38 4.90 8.63 13.29 16.24 24.04 39.07 1998-04-02 9.73 1.24 4.69 8.26 13.41 16.18 24.15 42.09 1998-04-03 10.56 3.28 4.93 8.62 13.48 16.41 24.10 38.92 1998-04-04 11.80 2.63 4.62 7.96 13.40 15.98 23.90 39.26 1998-04-05 13.19 2.46 4.61 7.93 13.52 16.38 23.38 45.48 1998-04-06 14.97 3.04 4.57 7.90 13.64 16.78 24.26 45.26 1998-04-07 15.82 2.80 4.41 7.59 13.70 16.80 26.13 44.87 1998-04-08 15.86 2.27 4.51 7.53 13.55 16.54 25.43 43.25 1998-04-09 15.65 2.80 4.52 8.14 13.45 16.18 25.59 38.94 1998-04-10 15.72 3.83 4.70 7.35 13.30 15.74 25.65 39.40 1998-04-11 15.91 3.54 4.63 8.02 13.27 15.88 25.35 37.54 1998-04-12 14.48 3.78 4.80 8.23 13.18 14.59 24.09 40.09 1998-04-13 13.51 3.67 4.55 8.60 13.28 15.66 22.87 40.50 1998-04-14 12.60 3.04 4.66 9.22 13.63 15.58 22.19 44.03 1998-04-15 11.86 2.63 4.25 8.28 13.55 15.20 24.51 41.08 1998-04-16 11.07 2.16 4.04 7.60 13.75 15.40 26.79 47.06 1998-04-17 11.88 1.55 4.03 7.92 14.11 16.43 27.10 52.24 1998-04-18 11.98 0.70 3.97 6.76 14.21 16.85 28.74 52.35 1998-04-19 11.74 0.59 3.87 6.74 14.17 16.07 28.44 53.90 1998-04-20 12.01 0.53 3.86 7.11 14.57 15.21 31.98 52.27 1998-04-21 12.25 0.36 3.92 7.02 14.62 14.37 30.39 49.54 1998-04-22 10.73 1.07 3.75 8.01 14.62 14.77 34.22 47.40 1998-04-23 10.03 1.69 3.61 7.61 14.54 14.80 34.56 48.46 1998-04-24 9.56 3.10 3.64 8.11 14.53 14.82 31.27 47.87 1998-04-25 8.28 3.05 3.90 7.46 14.56 16.93 30.39 44.33 1998-04-26 7.07 2.89 4.03 7.22 14.63 18.51 30.66 45.46 1998-04-27 6.94 0.71 3.77 8.15 14.66 15.63 32.37 53.37 1998-04-28 7.12 0.74 4.38 7.22 14.95 17.35 31.53 50.28 1998-04-29 7.08 2.70 4.54 7.27 15.73 19.48 32.69 44.79 1998-04-30 7.16 2.17 3.62 6.88 14.62 18.80 32.94 39.24 1998-05-01 7.15 0.86 3.39 6.88 14.95 20.37 29.28 42.81 1998-05-02 6.99 2.56 3.70 6.78 14.45 19.79 28.19 34.41 1998-05-03 6.35 0.76 3.26 6.49 14.22 18.43 27.40 40.49 1998-05-04 5.77 1.50 3.57 6.09 14.13 19.40 28.47 39.81 1998-05-05 5.06 1.35 3.50 5.66 14.78 17.22 34.05 42.16 1998-05-06 4.06 1.04 2.99 5.72 14.63 14.21 36.25 48.09 1998-05-07 3.12 0.95 2.32 4.42 13.35 15.21 38.30 48.92 1998-05-08 2.38 1.37 2.35 4.88 15.01 17.57 37.40 47.56 1998-05-09 1.66 1.11 2.98 5.92 15.55 16.72 37.50 46.56 1998-05-10 0.98 0.98 3.08 6.18 16.00 17.05 37.14 46.11 1998-05-11 -9999.0 1.06 3.84 6.38 16.60 20.54 36.96 47.12 1998-05-12 0.69 0.69 3.15 5.52 15.83 19.12 40.47 46.76 1998-05-13 0.55 0.55 3.87 5.70 17.24 22.19 38.54 49.57 1998-05-14 -9999.0 0.87 3.90 7.45 18.25 23.28 44.01 50.79 1998-05-15 -9999.0 0.35 4.19 5.61 17.84 21.93 44.99 49.46 1998-05-16 0.58 0.35 3.78 6.02 18.03 27.34 40.10 44.52 1998-05-17 0.61 0.61 2.90 6.31 17.85 26.30 39.92 43.59 1998-05-18 -9999.0 0.16 4.17 7.92 17.17 22.61 35.87 40.69 1998-05-19 1.40 0.20 3.19 7.16 17.26 28.38 35.18 40.95 1998-05-20 1.83 0.27 2.92 11.69 18.96 24.93 38.72 45.08 1998-05-21 -9999.0 0.22 3.46 7.67 18.52 21.99 38.90 48.39 1998-05-22 2.47 0.27 2.57 6.63 18.57 25.75 38.32 47.32 1998-05-23 10.11 0.23 3.32 9.10 18.60 25.15 37.30 44.41 1998-05-24 10.16 0.49 3.22 8.61 18.78 27.08 37.54 50.00 1998-05-25 -9999.0 0.53 3.49 10.23 20.64 29.83 38.32 46.47 1998-05-26 9.74 1.08 3.36 10.56 18.23 24.42 39.15 40.68 1998-05-27 9.19 1.47 3.38 10.54 18.96 24.79 36.01 44.39 1998-05-28 -9999.0 0.87 4.60 12.26 19.11 24.05 35.54 49.47 1998-05-29 -9999.0 0.96 2.27 10.65 19.40 24.69 34.41 51.29 1998-05-30 8.92 0.15 1.53 8.59 18.09 24.23 38.99 50.63 1998-05-31 1.52 0.37 1.62 7.74 17.83 24.35 35.42 46.05 1998-06-01 1.55 0.24 1.97 6.15 18.27 27.46 40.20 57.64 1998-06-02 1.13 1.13 3.40 8.88 18.77 27.92 38.47 41.99 1998-06-03 1.18 0.25 1.38 6.58 15.97 23.56 31.43 48.10 1998-06-04 0.78 0.26 0.78 5.96 15.94 25.09 33.77 58.59 1998-06-05 0.57 0.27 2.08 7.17 18.43 25.33 33.23 56.18 1998-06-06 4.57 0.23 1.76 6.28 15.17 23.97 29.96 35.85 1998-06-07 -9999.0 0.35 1.46 11.41 16.67 22.71 31.72 37.20 1998-06-08 4.65 0.36 1.63 4.61 16.16 21.37 32.91 54.66 1998-06-09 14.61 0.53 2.99 13.22 19.13 25.59 35.98 51.08 1998-06-10 -9999.0 0.62 4.92 13.33 18.47 20.77 37.11 40.05 1998-06-11 24.05 0.44 3.62 11.60 19.51 26.07 34.73 50.55 1998-06-12 -9999.0 0.85 5.22 13.36 21.08 30.39 36.37 48.48 1998-06-13 33.30 0.58 4.60 12.65 18.66 23.44 31.90 51.87 1998-06-14 -9999.0 0.70 3.49 7.73 17.81 24.32 37.65 48.28 1998-06-15 31.70 3.03 5.00 12.75 22.14 31.26 35.12 43.10 1998-06-16 41.61 1.59 5.07 10.34 17.26 19.08 34.09 41.61 1998-06-17 39.83 0.88 6.20 13.53 18.93 24.00 32.26 39.83 1998-06-18 38.83 0.54 1.74 6.17 20.46 31.29 39.18 42.30 1998-06-19 37.10 0.52 2.32 8.07 16.87 21.23 38.74 50.42 1998-06-20 34.52 0.39 1.63 9.53 18.24 24.15 36.90 51.07 1998-06-21 -9999.0 0.68 1.84 8.81 15.78 21.06 32.46 50.55 1998-06-22 -9999.0 1.19 8.92 14.85 19.45 22.46 30.98 50.52 1998-06-23 24.57 0.74 4.86 11.98 19.18 26.06 35.30 41.78 1998-06-24 -9999.0 0.44 2.80 11.86 16.51 20.49 28.11 42.29 1998-06-25 -9999.0 0.33 4.83 12.69 17.16 22.31 28.67 42.31 1998-06-26 27.99 0.40 6.57 12.25 17.35 24.04 27.03 34.92 1998-06-27 19.52 0.30 2.44 10.28 16.76 23.29 28.55 39.14 1998-06-28 -9999.0 0.46 3.96 10.85 14.60 19.51 24.95 30.30 1998-06-29 -9999.0 1.08 3.69 10.87 15.21 18.37 23.73 29.94 1998-06-30 -9999.0 0.33 0.88 8.14 14.03 19.10 25.82 32.10