Name: NH Vortex Area Units: million km!U2!N Level: 600 K Source: MERRA2 Missing: -9999.0 Climatology: 1978/1979 to 2022/2023 Date Data Minimum 10% 30% Mean 70% 90% Maximum 1998-07-01 -9999.0 2.54 2.68 2.96 3.23 3.51 3.78 3.92 1998-07-02 -9999.0 0.65 1.12 2.05 3.99 5.12 7.26 8.32 1998-07-03 -9999.0 2.71 2.98 3.53 4.07 4.62 5.16 5.43 1998-07-04 -9999.0 2.37 2.37 2.37 2.37 2.37 2.37 2.37 1998-07-05 -9999.0 0.90 1.20 3.48 4.66 5.64 8.44 9.42 1998-07-06 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-07-07 -9999.0 4.60 4.60 4.60 4.60 4.60 4.60 4.60 1998-07-08 2.98 2.21 2.32 2.55 2.66 2.86 2.94 2.98 1998-07-09 -9999.0 1.19 1.40 1.81 2.23 2.64 3.05 3.26 1998-07-10 -9999.0 0.78 1.42 2.68 3.80 5.71 5.79 5.83 1998-07-11 -9999.0 3.84 3.84 3.84 3.84 3.84 3.84 3.84 1998-07-12 -9999.0 5.90 5.90 5.90 5.90 5.90 5.90 5.90 1998-07-13 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-07-14 -9999.0 1.23 1.23 1.23 1.23 1.23 1.23 1.23 1998-07-15 3.51 0.87 1.13 1.66 2.19 2.72 3.25 3.51 1998-07-16 -9999.0 0.38 0.58 0.98 1.38 1.78 2.18 2.38 1998-07-17 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-07-18 -9999.0 16.32 16.75 17.62 18.49 19.36 20.23 20.66 1998-07-19 -9999.0 2.44 2.89 3.80 4.71 5.62 6.53 6.99 1998-07-20 -9999.0 0.94 0.94 0.94 0.94 0.94 0.94 0.94 1998-07-21 -9999.0 10.14 10.33 10.71 11.10 11.48 11.86 12.05 1998-07-22 -9999.0 1.85 1.85 1.85 1.85 1.85 1.85 1.85 1998-07-23 -9999.0 3.68 3.90 4.34 4.79 5.23 5.67 5.89 1998-07-24 -9999.0 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1998-07-25 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-07-26 -9999.0 2.00 2.05 2.17 2.34 2.40 2.70 2.84 1998-07-27 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-07-28 -9999.0 7.31 7.31 7.31 7.31 7.31 7.31 7.31 1998-07-29 -9999.0 1.90 2.00 2.19 2.39 2.58 2.78 2.87 1998-07-30 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-07-31 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-08-01 -9999.0 1.61 1.61 1.61 1.61 1.61 1.61 1.61 1998-08-02 -9999.0 9.23 9.54 10.17 10.73 11.35 11.90 12.18 1998-08-03 -9999.0 2.26 2.26 2.26 2.26 2.26 2.26 2.26 1998-08-04 -9999.0 1.08 1.72 2.10 6.96 7.76 17.15 19.37 1998-08-05 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 1998-08-06 -9999.0 1.33 1.40 1.54 4.25 4.33 8.42 10.46 1998-08-07 -9999.0 0.82 1.06 1.43 2.68 1.93 5.40 7.64 1998-08-08 -9999.0 2.16 2.23 3.56 6.69 6.86 12.98 18.01 1998-08-09 -9999.0 1.78 1.91 2.17 4.20 4.82 7.20 8.40 1998-08-10 -9999.0 0.55 1.16 2.07 4.73 2.69 10.79 16.09 1998-08-11 -9999.0 2.06 2.08 2.11 2.14 2.17 2.20 2.21 1998-08-12 -9999.0 0.14 0.75 1.97 6.13 7.93 12.68 15.05 1998-08-13 -9999.0 0.14 0.78 4.83 9.09 12.70 15.36 18.36 1998-08-14 -9999.0 0.22 1.33 8.12 12.61 16.37 25.79 28.33 1998-08-15 -9999.0 0.33 1.37 2.63 7.23 8.01 17.09 19.68 1998-08-16 -9999.0 1.63 2.10 2.70 10.31 14.79 23.29 26.23 1998-08-17 9.85 1.02 2.80 5.39 13.63 15.99 29.04 35.24 1998-08-18 15.04 1.42 3.47 8.67 15.90 21.99 30.80 38.77 1998-08-19 23.98 1.45 4.67 12.03 17.48 22.55 30.12 48.36 1998-08-20 33.82 6.40 9.74 16.81 23.64 26.37 43.30 48.87 1998-08-21 42.82 2.14 8.24 13.32 24.25 36.13 45.69 49.84 1998-08-22 -9999.0 9.25 11.88 16.37 25.35 30.53 41.86 49.57 1998-08-23 46.19 13.44 16.03 22.73 31.70 34.87 49.66 53.65 1998-08-24 48.31 4.25 10.57 21.87 28.37 34.19 47.48 53.79 1998-08-25 48.46 11.66 20.57 27.17 34.34 41.10 49.74 52.69 1998-08-26 -9999.0 0.77 13.13 28.87 33.35 43.63 49.43 52.12 1998-08-27 43.45 0.80 15.84 33.04 36.57 45.90 48.93 50.83 1998-08-28 41.90 1.53 12.81 29.24 33.96 43.02 50.30 52.25 1998-08-29 39.94 3.50 19.86 30.05 34.97 42.76 49.83 52.08 1998-08-30 -9999.0 3.37 24.30 31.74 37.49 46.37 50.50 53.66 1998-08-31 -9999.0 9.67 23.08 31.39 35.56 41.89 47.27 54.93 1998-09-01 38.91 8.10 22.74 33.77 38.44 45.85 50.26 53.96 1998-09-02 37.42 7.88 24.74 35.67 39.64 48.10 51.34 56.55 1998-09-03 39.10 8.65 22.03 30.03 36.58 43.60 50.23 55.11 1998-09-04 37.61 12.84 26.79 35.02 39.95 46.36 50.53 56.99 1998-09-05 37.07 13.15 26.05 34.14 38.57 43.59 50.34 55.31 1998-09-06 36.70 13.99 26.38 35.78 39.63 45.40 53.80 58.20 1998-09-07 33.96 20.79 28.61 35.74 40.63 45.64 54.40 57.84 1998-09-08 26.64 18.40 27.75 34.96 39.68 46.42 50.67 56.70 1998-09-09 25.84 19.00 25.90 33.60 39.33 46.61 51.70 56.45 1998-09-10 18.46 17.78 25.35 32.77 37.96 42.00 52.92 55.46 1998-09-11 17.54 17.54 23.54 34.38 38.95 45.52 52.35 55.37 1998-09-12 18.36 18.36 27.64 34.37 39.96 46.83 51.06 58.31 1998-09-13 24.41 22.67 27.30 34.85 38.86 43.79 50.63 52.16 1998-09-14 24.41 21.02 26.56 33.49 38.24 43.04 50.35 51.69 1998-09-15 25.99 18.56 26.26 33.40 38.22 43.33 49.48 51.88 1998-09-16 22.05 16.34 25.69 32.40 37.20 41.85 49.16 51.65 1998-09-17 27.93 12.19 25.16 30.84 36.53 42.98 47.86 50.76 1998-09-18 -9999.0 12.02 23.24 30.70 36.40 43.84 47.48 51.33 1998-09-19 23.15 12.13 21.23 29.91 34.93 41.88 47.41 52.92 1998-09-20 27.46 12.53 21.83 29.71 33.90 39.80 45.89 56.04 1998-09-21 38.00 7.75 19.93 27.97 33.36 40.53 45.29 52.71 1998-09-22 -9999.0 7.75 15.72 25.45 32.45 39.34 45.03 49.32 1998-09-23 41.93 8.15 19.37 26.11 32.61 39.66 46.33 48.77 1998-09-24 35.32 8.34 18.71 27.09 31.81 38.76 44.17 48.43 1998-09-25 44.94 8.51 17.98 25.09 31.41 38.85 44.42 49.58 1998-09-26 34.62 9.27 17.73 23.36 30.29 37.30 44.24 49.01 1998-09-27 29.48 9.95 15.78 23.05 29.37 36.21 42.60 54.81 1998-09-28 30.41 11.33 15.09 22.39 28.12 32.95 41.51 54.49 1998-09-29 30.70 11.06 13.45 22.15 27.37 30.80 41.55 53.50 1998-09-30 25.17 9.81 14.90 21.66 26.59 30.32 40.30 53.26 1998-10-01 32.51 8.87 14.10 20.46 26.06 29.83 40.72 53.54 1998-10-02 33.48 11.16 14.26 20.65 25.62 27.15 41.29 52.86 1998-10-03 34.52 11.91 14.46 19.30 25.01 27.81 41.67 51.34 1998-10-04 36.60 9.64 14.89 18.53 24.15 26.50 40.50 49.69 1998-10-05 37.31 10.50 14.61 17.80 23.35 25.94 38.14 49.72 1998-10-06 39.23 11.06 13.56 17.00 22.63 25.93 35.60 46.23 1998-10-07 35.97 8.26 13.36 16.69 22.41 26.15 35.16 46.95 1998-10-08 32.79 9.09 12.49 17.22 22.17 26.01 32.09 45.14 1998-10-09 29.18 10.60 13.27 16.80 22.14 26.62 30.16 45.85 1998-10-10 26.88 10.45 12.81 16.65 21.91 25.31 31.65 44.26 1998-10-11 20.82 10.16 12.36 17.07 21.34 24.09 30.86 40.25 1998-10-12 19.54 9.03 11.60 16.33 20.29 22.54 29.28 39.65 1998-10-13 17.58 8.54 11.45 15.59 19.37 21.97 26.26 39.37 1998-10-14 15.85 8.99 11.23 15.25 18.71 21.36 25.88 39.06 1998-10-15 14.55 4.42 11.14 14.49 18.33 20.72 25.49 38.61 1998-10-16 13.78 4.53 11.43 13.77 18.45 21.58 26.00 38.96 1998-10-17 12.81 4.85 10.88 14.42 18.43 21.47 26.21 38.89 1998-10-18 13.00 4.95 11.53 15.15 18.45 20.56 26.53 38.45 1998-10-19 13.80 6.59 11.45 14.54 18.52 20.96 26.29 36.00 1998-10-20 14.29 7.95 11.08 15.69 18.47 21.16 25.69 33.83 1998-10-21 14.63 6.16 10.83 14.65 18.47 20.91 25.36 31.46 1998-10-22 15.71 6.84 12.17 15.94 18.84 20.90 25.76 30.63 1998-10-23 16.84 5.65 12.99 16.11 19.01 20.36 25.62 30.54 1998-10-24 17.35 5.57 13.08 16.30 19.17 21.17 26.05 30.52 1998-10-25 18.18 5.79 13.26 16.68 19.47 21.98 26.35 31.75 1998-10-26 21.06 6.30 13.28 16.74 19.50 21.56 27.27 30.15 1998-10-27 21.70 10.22 12.68 16.80 19.33 20.78 26.51 29.89 1998-10-28 22.25 9.59 13.89 16.89 19.42 21.25 26.33 29.73 1998-10-29 23.44 9.89 14.12 17.44 19.41 20.82 26.13 29.03 1998-10-30 24.94 10.19 12.20 17.35 19.16 21.12 24.91 28.20 1998-10-31 24.43 10.03 12.38 17.18 19.19 21.99 24.63 27.80 1998-11-01 25.48 9.99 12.85 17.44 19.21 21.55 25.29 27.56 1998-11-02 26.42 10.34 13.09 16.83 19.04 21.31 25.26 28.61 1998-11-03 25.66 10.45 13.94 16.68 18.78 19.75 25.13 28.66 1998-11-04 24.58 11.31 13.95 16.65 18.87 20.77 24.63 28.48 1998-11-05 24.14 11.50 14.02 16.40 18.83 21.29 24.13 28.62 1998-11-06 23.88 10.95 14.79 16.47 18.90 20.90 24.42 26.83 1998-11-07 23.40 10.68 14.39 16.77 18.89 21.12 23.83 28.49 1998-11-08 23.77 10.25 14.07 16.93 18.78 21.06 23.68 27.89 1998-11-09 24.37 10.00 13.94 16.47 18.87 20.93 24.23 31.94 1998-11-10 24.43 9.66 14.12 16.29 18.98 20.77 24.37 33.05 1998-11-11 24.42 9.99 14.27 16.69 18.96 20.54 24.27 33.76 1998-11-12 24.52 10.21 13.97 16.68 19.10 21.19 23.92 33.96 1998-11-13 24.88 10.27 14.06 16.62 19.32 21.36 24.84 32.98 1998-11-14 25.30 10.19 14.10 16.38 19.35 21.07 26.41 30.10 1998-11-15 25.55 9.94 14.57 16.44 19.49 20.90 26.55 30.36 1998-11-16 25.64 9.96 14.42 16.76 19.64 20.90 26.42 30.41 1998-11-17 25.63 9.74 13.61 17.36 19.86 21.35 26.19 30.03 1998-11-18 25.69 9.87 14.05 18.05 20.43 22.35 27.56 29.54 1998-11-19 25.22 9.78 14.43 17.37 20.36 21.97 27.55 27.83 1998-11-20 24.75 9.87 15.39 17.88 20.58 23.61 26.81 28.45 1998-11-21 24.48 9.82 15.37 18.61 20.65 23.15 26.56 27.58 1998-11-22 24.34 9.81 15.97 18.68 20.73 23.48 25.94 27.65 1998-11-23 24.27 9.34 15.87 18.33 20.57 23.20 25.77 27.86 1998-11-24 24.15 9.12 15.28 17.44 20.38 23.54 25.75 29.13 1998-11-25 24.14 9.08 15.29 16.98 20.14 23.26 25.37 29.11 1998-11-26 24.22 8.97 15.48 18.08 20.32 22.99 25.39 29.08 1998-11-27 24.18 8.92 15.44 17.46 20.12 23.32 25.36 29.34 1998-11-28 23.93 8.77 14.99 17.23 19.99 22.86 25.38 29.19 1998-11-29 23.85 10.75 15.60 17.26 20.24 23.46 25.63 28.96 1998-11-30 24.12 10.99 15.75 17.79 20.64 23.40 26.14 31.05 1998-12-01 24.28 11.19 15.78 17.60 20.57 23.23 26.55 34.26 1998-12-02 23.95 11.33 14.99 17.65 20.53 22.82 26.45 34.09 1998-12-03 23.49 11.28 15.20 17.82 20.87 22.58 27.88 33.27 1998-12-04 23.04 13.61 15.25 18.08 20.88 22.37 27.57 39.47 1998-12-05 22.49 13.34 15.29 18.18 20.86 21.88 27.56 36.23 1998-12-06 21.76 14.26 15.31 18.02 20.99 22.57 26.50 37.48 1998-12-07 21.69 14.02 16.05 19.21 21.38 22.61 27.07 38.16 1998-12-08 23.32 13.18 15.67 19.70 21.38 22.66 27.96 32.11 1998-12-09 23.32 12.76 15.80 20.07 21.22 22.73 27.02 30.13 1998-12-10 23.55 12.18 15.63 19.83 21.00 22.32 26.25 30.52 1998-12-11 24.11 11.73 16.32 19.16 20.70 22.51 25.09 29.38 1998-12-12 24.86 11.01 16.47 18.99 20.59 22.27 25.04 27.36 1998-12-13 24.29 9.05 16.49 19.08 20.65 22.68 25.08 26.08 1998-12-14 25.87 7.12 16.44 18.79 20.59 22.92 24.82 26.40 1998-12-15 27.16 6.76 16.39 18.59 20.63 22.87 25.39 27.94 1998-12-16 25.43 6.38 16.39 18.80 20.97 23.22 25.51 30.81 1998-12-17 24.96 6.22 16.13 19.04 20.93 23.48 25.69 33.27 1998-12-18 23.57 6.20 16.25 19.30 21.07 23.58 25.92 32.74 1998-12-19 21.59 6.30 16.89 19.53 21.39 23.50 26.86 32.90 1998-12-20 20.28 5.74 18.20 20.34 21.85 24.09 27.23 34.06 1998-12-21 21.38 5.13 16.99 20.30 22.10 24.53 27.79 33.61 1998-12-22 21.10 4.56 17.50 20.39 22.55 24.73 29.41 38.45 1998-12-23 21.39 4.61 17.20 20.40 22.72 24.94 29.61 44.87 1998-12-24 22.87 4.27 18.34 20.01 23.16 25.17 29.81 49.54 1998-12-25 19.19 4.55 18.22 20.21 23.31 24.93 30.56 50.15 1998-12-26 15.70 5.03 18.09 20.73 23.23 25.78 30.04 49.98 1998-12-27 12.12 5.80 18.38 20.23 23.34 26.27 30.48 49.74 1998-12-28 11.97 6.21 18.50 19.99 23.48 25.45 30.97 49.33 1998-12-29 10.74 7.15 16.91 19.97 23.38 25.92 31.14 49.03 1998-12-30 14.44 7.84 16.64 20.21 23.37 25.72 30.80 47.94 1998-12-31 14.29 8.59 17.78 20.05 23.50 25.90 30.88 46.77 1999-01-01 14.28 8.91 17.52 21.32 23.69 25.75 30.59 45.52 1999-01-02 14.62 8.24 17.40 20.75 23.65 26.12 30.11 44.98 1999-01-03 11.63 7.77 18.15 20.86 23.42 25.77 29.94 44.46 1999-01-04 8.69 7.31 18.13 20.20 23.31 26.24 30.27 44.82 1999-01-05 9.11 7.10 18.24 20.56 23.14 25.51 29.79 44.76 1999-01-06 11.28 7.03 17.54 20.46 22.98 25.26 29.65 44.24 1999-01-07 12.24 7.26 16.88 20.41 22.81 25.54 29.01 44.30 1999-01-08 17.04 7.00 16.60 20.78 22.87 24.70 29.26 43.64 1999-01-09 21.49 7.68 16.28 20.39 22.65 24.58 29.07 43.14 1999-01-10 26.63 8.94 15.69 20.06 22.77 25.25 28.81 42.53 1999-01-11 30.27 8.95 16.02 20.13 22.91 26.08 29.16 42.14 1999-01-12 31.14 9.13 16.03 20.32 23.00 26.39 29.31 40.99 1999-01-13 31.36 9.73 16.37 20.24 23.11 26.09 30.33 40.36 1999-01-14 31.20 10.47 15.66 20.14 23.09 25.91 30.61 39.88 1999-01-15 30.43 10.24 16.02 19.78 22.87 26.73 29.67 39.60 1999-01-16 29.50 9.78 15.88 19.59 22.57 25.90 29.38 39.45 1999-01-17 27.95 7.59 16.37 19.70 22.64 25.96 29.36 39.55 1999-01-18 26.76 7.98 16.53 19.04 22.54 25.80 29.27 39.09 1999-01-19 26.16 6.51 16.56 21.14 22.83 25.59 28.92 38.14 1999-01-20 25.64 6.72 16.17 20.98 22.83 25.80 28.73 37.25 1999-01-21 23.97 5.30 16.35 20.79 22.84 25.47 28.73 36.44 1999-01-22 23.33 5.52 16.36 21.27 22.56 25.28 28.06 35.60 1999-01-23 22.56 5.41 15.40 21.65 22.47 24.92 28.38 36.69 1999-01-24 21.19 5.10 14.78 20.53 22.22 24.80 28.80 36.51 1999-01-25 20.59 6.69 13.07 20.60 22.22 24.76 29.71 36.49 1999-01-26 21.21 6.61 12.46 20.09 22.04 24.53 30.12 35.15 1999-01-27 22.15 6.48 12.06 20.39 21.92 24.65 29.08 36.63 1999-01-28 22.30 6.05 12.00 20.07 21.66 25.14 29.29 36.06 1999-01-29 22.82 5.25 11.95 19.49 21.46 24.85 29.21 35.82 1999-01-30 23.17 4.71 11.74 19.55 21.24 25.07 28.10 34.97 1999-01-31 23.16 3.91 11.63 19.51 20.96 23.75 28.06 34.28 1999-02-01 22.78 4.12 11.72 19.02 20.78 23.61 27.40 33.78 1999-02-02 23.07 4.36 12.07 18.81 20.70 23.54 27.58 33.03 1999-02-03 23.47 4.59 11.94 18.83 20.64 23.46 27.70 32.84 1999-02-04 23.24 4.73 11.58 18.53 20.61 23.22 27.59 33.51 1999-02-05 23.06 4.78 13.55 18.43 20.85 23.21 28.82 33.72 1999-02-06 23.11 4.80 12.34 17.81 20.96 24.23 28.63 34.74 1999-02-07 23.16 4.70 12.30 18.15 21.01 24.24 29.33 35.30 1999-02-08 23.06 4.49 12.40 17.87 21.05 23.59 28.66 41.33 1999-02-09 24.00 4.37 12.41 17.76 21.12 24.62 28.76 47.45 1999-02-10 24.19 4.37 12.58 16.81 20.75 24.17 28.55 43.95 1999-02-11 24.30 4.28 12.65 16.86 20.57 23.95 28.31 41.71 1999-02-12 24.00 4.27 12.54 16.70 20.40 23.61 28.03 41.76 1999-02-13 23.98 4.30 11.56 16.54 20.21 23.72 27.81 42.89 1999-02-14 22.16 4.12 10.33 16.61 19.95 22.37 28.15 45.88 1999-02-15 22.42 3.81 11.17 16.50 19.95 22.27 27.98 48.92 1999-02-16 22.04 3.54 11.45 16.54 19.94 22.27 27.63 52.06 1999-02-17 22.35 2.96 11.98 15.96 19.82 22.42 27.62 51.95 1999-02-18 22.66 2.05 10.40 15.82 19.79 22.66 27.75 52.87 1999-02-19 24.41 1.33 8.69 15.67 19.61 22.70 27.90 51.60 1999-02-20 24.15 1.38 8.46 15.07 19.28 22.60 28.31 50.07 1999-02-21 24.10 1.41 8.61 14.01 18.96 22.39 28.04 48.44 1999-02-22 23.57 1.35 8.12 13.75 18.64 22.12 28.06 47.75 1999-02-23 22.50 1.20 7.01 13.53 18.23 21.88 28.17 46.50 1999-02-24 21.42 1.04 6.45 13.36 17.84 21.75 28.19 44.17 1999-02-25 20.71 0.86 5.97 13.17 17.55 20.90 26.92 42.76 1999-02-26 21.01 1.73 7.87 13.04 17.66 21.00 27.12 42.63 1999-02-27 21.27 1.71 8.79 13.27 17.78 21.14 26.67 41.99 1999-02-28 21.87 1.71 8.05 13.92 17.67 20.98 26.65 40.43 1999-03-01 21.71 1.70 7.63 13.70 17.51 20.79 26.01 41.03 1999-03-02 21.70 1.80 7.69 13.33 17.46 21.08 26.05 39.56 1999-03-03 21.71 1.77 6.41 13.37 16.92 21.04 25.17 36.09 1999-03-04 23.55 1.79 5.38 13.15 16.56 20.88 25.70 35.35 1999-03-05 24.50 1.81 5.38 13.10 16.23 20.90 24.43 34.88 1999-03-06 25.90 4.17 6.13 12.91 16.21 20.16 24.37 34.20 1999-03-07 27.03 3.98 6.10 12.31 16.14 20.02 24.13 33.72 1999-03-08 23.61 4.31 6.10 12.42 15.99 19.83 23.83 33.70 1999-03-09 18.57 4.36 5.97 12.84 15.76 19.47 23.16 33.77 1999-03-10 14.16 4.23 5.41 12.37 15.58 18.83 23.19 33.51 1999-03-11 9.89 4.25 5.32 11.89 15.40 18.80 24.82 34.25 1999-03-12 6.07 4.25 5.25 10.64 14.94 18.14 24.46 33.36 1999-03-13 6.05 4.25 5.71 10.41 14.95 17.74 24.55 37.10 1999-03-14 6.04 4.22 5.40 10.35 14.84 17.93 24.23 35.23 1999-03-15 5.96 4.22 5.50 10.46 14.65 17.35 23.62 33.49 1999-03-16 5.91 4.05 5.54 11.22 14.69 17.29 22.23 33.41 1999-03-17 5.72 4.09 5.41 11.63 14.71 17.24 22.04 36.09 1999-03-18 5.49 3.61 5.38 11.15 14.66 18.01 22.29 35.81 1999-03-19 5.41 3.56 5.19 11.08 14.68 17.09 22.46 35.42 1999-03-20 5.41 3.38 5.05 10.92 14.65 16.88 23.06 35.13 1999-03-21 5.50 3.09 5.17 10.18 14.18 16.21 22.90 35.35 1999-03-22 5.68 2.71 5.39 10.62 13.80 15.87 22.05 35.53 1999-03-23 5.71 2.50 5.42 9.68 13.17 14.94 20.91 34.93 1999-03-24 5.62 1.60 5.26 10.00 12.88 14.00 20.51 34.15 1999-03-25 5.33 1.88 5.38 9.53 12.88 14.60 19.79 34.16 1999-03-26 4.90 1.79 5.64 9.40 13.24 14.27 23.64 34.81 1999-03-27 4.91 1.58 5.54 9.82 13.56 15.44 24.49 34.84 1999-03-28 5.09 1.77 5.16 10.06 14.17 15.21 24.59 45.40 1999-03-29 4.96 1.59 5.31 9.85 14.28 15.59 26.07 54.98 1999-03-30 5.33 1.37 5.54 9.70 14.11 15.81 24.09 54.13 1999-03-31 6.13 1.49 6.04 9.40 13.61 15.12 21.82 52.00 1999-04-01 6.55 1.10 6.09 8.62 13.42 15.32 21.82 51.06 1999-04-02 6.77 2.42 6.06 8.59 13.07 14.78 21.53 49.60 1999-04-03 7.11 2.84 6.02 8.14 12.99 14.54 21.69 48.16 1999-04-04 7.04 2.83 6.14 8.18 12.95 14.74 21.83 45.47 1999-04-05 7.88 2.41 6.13 8.40 13.04 14.60 21.85 44.30 1999-04-06 8.58 2.16 6.24 8.40 13.05 14.56 22.79 44.63 1999-04-07 12.45 1.97 5.02 8.58 13.11 15.60 23.69 44.62 1999-04-08 11.94 1.95 4.65 8.63 13.11 15.53 23.00 45.54 1999-04-09 11.38 1.99 4.55 7.50 13.06 15.34 23.07 46.83 1999-04-10 9.48 2.08 4.58 7.68 13.24 16.36 24.00 47.80 1999-04-11 12.09 1.35 4.39 8.24 13.53 16.51 24.44 46.67 1999-04-12 7.47 1.34 4.00 7.80 13.68 16.43 24.72 45.88 1999-04-13 13.82 1.32 3.80 7.55 13.35 16.44 24.86 44.69 1999-04-14 20.36 1.29 3.72 7.68 13.97 16.44 25.94 43.89 1999-04-15 28.83 1.25 3.17 6.88 14.22 16.66 27.48 50.72 1999-04-16 24.42 1.24 3.26 6.94 14.24 16.31 30.66 48.92 1999-04-17 29.37 1.24 3.37 7.12 14.31 15.76 30.79 44.38 1999-04-18 27.81 1.24 3.41 7.14 13.77 15.53 28.54 45.48 1999-04-19 -9999.0 1.20 3.16 6.95 13.33 14.85 28.49 45.89 1999-04-20 21.24 1.21 3.21 6.75 13.16 15.57 27.28 46.41 1999-04-21 23.82 1.13 3.21 6.95 12.72 15.83 24.76 45.28 1999-04-22 23.62 1.10 2.84 6.24 12.07 13.30 23.70 46.35 1999-04-23 18.14 1.06 3.28 6.24 11.96 14.30 22.57 39.59 1999-04-24 12.91 0.73 3.73 6.11 11.24 12.43 22.16 36.54 1999-04-25 12.59 0.42 3.13 6.14 10.83 12.27 22.13 32.66 1999-04-26 1.11 0.28 2.07 6.06 10.92 11.17 24.51 32.90 1999-04-27 0.94 0.29 2.03 5.88 10.07 10.71 20.95 34.99 1999-04-28 1.64 0.28 1.76 5.58 9.94 11.12 20.42 36.65 1999-04-29 5.63 0.27 2.04 5.68 9.90 11.43 19.70 38.08 1999-04-30 -9999.0 0.35 1.99 5.00 9.33 12.20 19.61 39.12 1999-05-01 11.15 0.36 2.10 5.59 9.74 12.11 19.50 38.89 1999-05-02 17.31 0.48 2.12 4.92 9.90 12.95 19.46 37.84 1999-05-03 -9999.0 0.49 2.33 3.85 9.53 10.49 19.25 36.69 1999-05-04 -9999.0 0.44 2.45 4.55 9.86 11.16 18.87 42.93 1999-05-05 23.23 0.36 2.48 4.40 9.91 9.81 22.44 45.43 1999-05-06 23.50 0.30 2.68 4.23 10.45 12.07 22.18 47.74 1999-05-07 -9999.0 0.64 2.45 3.97 9.03 8.21 17.45 49.57 1999-05-08 19.44 0.59 2.33 3.93 9.81 11.93 19.68 50.50 1999-05-09 -9999.0 0.49 1.57 3.79 9.42 9.69 20.56 40.21 1999-05-10 -9999.0 0.46 1.79 3.48 9.38 9.22 21.31 41.65 1999-05-11 -9999.0 0.49 0.90 3.42 8.29 9.35 16.95 38.31 1999-05-12 -9999.0 0.64 1.46 3.73 9.69 10.28 21.63 43.32 1999-05-13 -9999.0 0.86 1.25 4.03 9.04 9.66 19.14 38.91 1999-05-14 13.74 0.92 2.73 4.86 9.66 9.80 19.82 33.30 1999-05-15 7.54 0.88 1.40 3.60 8.56 9.71 21.02 28.15 1999-05-16 1.89 0.79 1.90 3.05 7.02 8.12 12.82 24.37 1999-05-17 1.80 0.97 1.06 3.18 7.02 8.29 14.91 24.62 1999-05-18 -9999.0 0.84 1.67 2.83 7.13 7.82 18.46 25.27 1999-05-19 -9999.0 0.70 1.94 3.00 7.50 8.04 19.32 25.54 1999-05-20 -9999.0 0.43 1.92 3.30 6.84 8.27 14.36 23.89 1999-05-21 -9999.0 0.58 0.96 2.36 6.61 5.80 18.41 24.77 1999-05-22 -9999.0 0.47 1.26 2.46 5.93 5.93 14.52 20.69 1999-05-23 -9999.0 0.58 1.68 2.57 6.18 5.64 15.53 19.26 1999-05-24 -9999.0 0.56 0.83 2.25 4.17 3.93 9.35 17.69 1999-05-25 -9999.0 0.54 0.75 1.86 5.20 5.85 14.92 16.60 1999-05-26 -9999.0 0.52 1.26 2.28 6.02 4.78 15.81 27.09 1999-05-27 -9999.0 0.51 1.77 2.24 5.52 5.34 10.58 27.74 1999-05-28 -9999.0 0.52 1.32 1.74 5.01 6.16 12.76 13.76 1999-05-29 1.78 0.50 1.00 1.76 3.92 3.11 9.69 14.77 1999-05-30 -9999.0 0.46 0.63 1.85 5.36 3.31 13.94 27.35 1999-05-31 2.75 0.47 0.67 1.90 4.68 4.74 9.95 20.85 1999-06-01 3.42 0.44 0.57 1.37 3.32 3.40 5.75 16.21 1999-06-02 -9999.0 0.30 0.50 2.05 4.75 5.46 13.04 15.02 1999-06-03 6.37 0.43 0.62 1.76 4.00 6.36 7.66 9.87 1999-06-04 -9999.0 0.53 1.06 2.10 4.26 4.31 7.45 18.80 1999-06-05 -9999.0 0.40 0.59 1.57 3.38 3.45 5.72 12.81 1999-06-06 -9999.0 0.47 0.98 1.66 4.01 3.80 9.42 15.20 1999-06-07 -9999.0 0.39 0.48 1.40 2.18 2.65 2.93 6.79 1999-06-08 -9999.0 0.34 0.43 1.34 2.70 3.66 6.01 6.02 1999-06-09 -9999.0 0.34 0.42 0.80 2.23 2.00 4.59 9.08 1999-06-10 -9999.0 0.31 0.45 1.09 3.09 2.94 4.78 15.31 1999-06-11 -9999.0 0.33 0.48 1.10 2.12 2.54 4.21 5.25 1999-06-12 -9999.0 0.49 0.90 1.26 2.77 1.92 6.41 9.04 1999-06-13 -9999.0 0.54 1.01 1.30 3.15 3.74 7.08 8.99 1999-06-14 -9999.0 0.52 0.52 0.53 6.83 3.92 17.75 24.66 1999-06-15 -9999.0 0.52 0.67 0.85 1.56 1.33 2.94 4.48 1999-06-16 -9999.0 0.44 0.49 1.00 3.28 3.93 7.01 9.36 1999-06-17 -9999.0 1.67 1.93 2.18 5.90 6.07 11.63 18.69 1999-06-18 -9999.0 0.37 0.96 1.87 2.30 2.69 3.78 4.39 1999-06-19 -9999.0 0.27 1.61 2.50 3.72 2.87 8.32 8.35 1999-06-20 -9999.0 0.53 0.75 1.20 1.94 2.45 3.25 3.66 1999-06-21 -9999.0 0.34 0.41 0.93 3.34 3.51 7.19 9.49 1999-06-22 -9999.0 0.54 0.89 1.67 2.17 3.01 3.13 3.16 1999-06-23 -9999.0 0.63 0.86 1.31 1.77 2.22 2.68 2.91 1999-06-24 -9999.0 1.35 1.67 2.24 2.46 2.94 3.11 3.16 1999-06-25 -9999.0 1.76 1.76 1.76 1.76 1.76 1.76 1.76 1999-06-26 -9999.0 0.52 0.57 0.68 1.63 1.91 3.04 3.60 1999-06-27 -9999.0 8.28 8.53 9.02 9.52 10.01 10.50 10.75 1999-06-28 -9999.0 3.66 3.66 3.66 3.66 3.66 3.66 3.66 1999-06-29 -9999.0 0.94 0.94 0.94 0.94 0.94 0.94 0.94 1999-06-30 -9999.0 2.50 3.36 5.08 6.80 8.52 10.23 11.09