Name: SH Vortex Area Units: million km!U2!N Level: 850 K Source: MERRA2 Missing: -9999.0 Climatology: 1979 to 2023 Date Data Minimum 10% 30% Mean 70% 90% Maximum 1987-04-01 13.35 13.35 18.38 24.30 29.41 33.92 40.61 51.67 1987-04-02 13.70 13.70 16.16 24.83 29.02 32.35 40.45 52.35 1987-04-03 13.69 13.56 16.16 24.04 28.60 32.29 38.51 51.86 1987-04-04 13.62 13.62 18.37 23.93 28.26 31.86 38.16 51.06 1987-04-05 13.67 13.67 17.80 24.25 28.14 32.05 37.52 50.21 1987-04-06 13.65 13.65 17.65 24.33 28.18 32.57 37.90 49.53 1987-04-07 13.47 13.47 18.76 24.03 28.44 32.85 37.93 48.59 1987-04-08 18.57 14.77 18.66 24.07 28.44 32.30 41.05 47.49 1987-04-09 19.14 14.21 18.87 23.53 27.95 31.53 37.66 44.66 1987-04-10 23.90 14.00 19.90 22.92 27.46 31.20 36.08 44.28 1987-04-11 28.64 13.48 18.10 22.28 26.86 29.65 35.22 43.55 1987-04-12 28.01 11.49 18.91 22.10 26.48 29.21 35.12 44.32 1987-04-13 22.83 10.69 18.94 21.64 26.34 30.00 34.10 45.24 1987-04-14 22.53 9.05 18.63 21.57 26.14 30.81 34.05 45.28 1987-04-15 22.76 9.00 18.13 21.70 26.33 31.20 35.80 43.47 1987-04-16 18.16 9.17 16.35 21.66 26.18 30.87 36.38 42.13 1987-04-17 18.50 10.29 14.79 21.30 25.77 29.03 36.60 40.82 1987-04-18 17.91 10.34 15.08 20.59 25.37 29.38 35.68 39.16 1987-04-19 23.32 10.34 16.30 20.20 25.77 29.95 35.69 40.34 1987-04-20 23.29 10.27 15.24 20.09 25.52 29.98 34.98 40.99 1987-04-21 27.10 10.28 16.69 20.58 25.58 31.65 34.05 41.66 1987-04-22 31.70 9.27 16.50 21.18 25.97 30.19 34.96 41.81 1987-04-23 31.75 9.40 17.18 21.14 26.03 30.00 34.98 42.00 1987-04-24 25.57 9.64 18.40 22.84 25.81 29.03 34.79 41.81 1987-04-25 25.24 9.56 17.25 21.50 25.45 29.19 34.94 41.51 1987-04-26 26.12 9.30 16.07 21.21 25.21 28.71 34.38 41.07 1987-04-27 26.38 8.78 16.48 21.33 25.28 29.22 34.67 40.77 1987-04-28 31.71 8.31 16.72 22.07 25.69 29.56 35.18 40.71 1987-04-29 36.74 11.90 15.37 22.36 25.80 29.89 35.56 40.73 1987-04-30 36.10 11.50 17.21 22.44 26.39 31.37 36.07 40.06 1987-05-01 35.22 10.93 18.69 22.25 26.76 31.62 35.67 40.30 1987-05-02 31.84 13.24 17.55 22.89 26.92 31.36 35.39 43.02 1987-05-03 28.30 10.44 18.72 23.35 26.97 30.72 34.98 43.20 1987-05-04 25.41 10.64 18.40 23.87 27.11 31.07 35.87 42.23 1987-05-05 23.44 10.43 16.96 23.57 27.16 31.36 37.38 41.08 1987-05-06 20.84 9.90 16.91 22.71 27.29 31.60 39.52 43.30 1987-05-07 20.78 9.42 17.72 22.51 27.19 31.12 39.43 47.21 1987-05-08 22.55 11.94 18.42 22.45 27.51 31.33 39.05 50.85 1987-05-09 24.10 12.68 18.62 23.03 27.64 30.77 37.44 53.28 1987-05-10 24.39 12.65 20.13 23.57 28.03 29.55 37.48 57.76 1987-05-11 26.90 15.72 20.32 23.85 28.43 29.30 38.38 59.58 1987-05-12 29.12 17.17 19.68 24.46 28.40 29.42 38.47 54.99 1987-05-13 27.79 17.69 19.77 23.96 28.41 29.03 38.63 54.75 1987-05-14 28.29 17.51 20.31 24.49 28.60 29.60 38.91 55.12 1987-05-15 29.50 15.71 18.47 24.68 28.52 30.22 38.49 50.57 1987-05-16 29.23 12.71 18.69 25.01 28.78 30.52 38.60 50.78 1987-05-17 28.32 12.35 18.77 24.21 29.16 32.24 38.88 50.57 1987-05-18 29.65 11.84 19.18 24.36 29.37 32.96 39.28 50.64 1987-05-19 27.49 14.94 19.08 24.77 29.58 33.38 38.86 49.82 1987-05-20 26.15 15.05 19.14 26.16 29.92 34.06 38.96 49.23 1987-05-21 26.16 14.73 19.90 26.31 29.92 34.34 39.49 48.29 1987-05-22 25.99 14.63 20.36 26.25 30.21 34.12 39.19 49.32 1987-05-23 25.50 14.09 20.82 27.34 30.60 34.41 39.10 49.29 1987-05-24 27.15 14.65 21.81 27.37 31.26 34.82 39.39 49.45 1987-05-25 27.79 17.75 21.70 28.12 31.55 35.11 39.48 49.33 1987-05-26 26.88 18.60 20.48 28.43 31.79 36.52 39.64 48.84 1987-05-27 27.55 19.22 20.94 28.22 32.46 37.09 40.33 48.33 1987-05-28 26.71 18.50 23.32 28.67 32.64 37.41 40.37 47.90 1987-05-29 25.60 18.09 23.04 30.14 33.34 37.29 41.15 50.14 1987-05-30 25.01 10.15 24.28 30.72 33.82 38.08 41.73 51.02 1987-05-31 24.48 9.93 24.79 30.38 34.12 38.61 41.61 53.64 1987-06-01 30.83 10.42 25.65 30.62 34.39 38.54 41.73 53.98 1987-06-02 31.41 10.16 25.48 30.58 35.09 40.05 43.48 55.19 1987-06-03 31.84 9.73 25.05 31.52 35.10 41.02 44.67 51.57 1987-06-04 33.90 10.25 25.10 31.35 35.34 40.62 45.17 51.51 1987-06-05 33.53 10.59 26.59 32.82 36.01 39.81 45.22 53.91 1987-06-06 27.64 10.88 27.85 32.86 36.11 40.86 45.02 54.59 1987-06-07 34.95 18.37 28.25 32.42 36.78 41.12 46.69 53.00 1987-06-08 35.21 19.07 28.36 31.68 37.04 41.01 47.94 52.59 1987-06-09 36.19 19.19 27.08 31.37 37.56 42.44 50.34 56.03 1987-06-10 36.99 20.60 26.47 32.09 37.56 41.67 49.80 55.87 1987-06-11 42.88 20.46 26.56 33.16 38.08 43.36 50.86 56.41 1987-06-12 42.43 20.85 25.91 31.91 37.69 43.19 47.23 55.72 1987-06-13 42.35 20.86 26.23 32.63 37.92 42.76 47.27 55.36 1987-06-14 46.51 20.61 25.48 32.32 37.82 42.95 48.99 55.10 1987-06-15 53.22 19.89 26.60 32.71 38.27 43.95 50.49 57.59 1987-06-16 52.98 19.11 27.01 33.14 38.53 43.75 51.45 57.33 1987-06-17 47.02 18.17 28.12 33.72 39.21 44.54 51.43 57.29 1987-06-18 53.64 18.30 29.44 33.65 39.13 44.36 50.79 58.47 1987-06-19 47.13 18.29 30.32 33.09 39.25 43.73 50.05 56.05 1987-06-20 41.31 18.46 29.80 33.32 39.15 43.36 51.37 60.27 1987-06-21 40.91 18.92 28.47 34.96 39.28 43.48 52.64 59.88 1987-06-22 46.69 19.50 26.35 35.65 38.90 42.52 52.56 59.82 1987-06-23 40.55 19.77 26.28 34.08 38.78 42.01 52.39 55.75 1987-06-24 42.38 19.18 27.03 35.64 38.66 42.28 49.35 56.07 1987-06-25 48.06 19.26 27.66 35.50 38.60 41.83 50.40 56.18 1987-06-26 44.01 19.36 26.63 35.20 38.38 42.06 50.37 55.78 1987-06-27 44.14 20.10 27.44 34.88 38.50 43.52 51.41 56.44 1987-06-28 50.21 20.83 26.74 34.21 38.57 44.36 50.07 55.33 1987-06-29 54.48 21.49 26.46 33.27 39.12 45.83 52.19 55.06 1987-06-30 54.52 21.60 26.35 33.02 39.19 43.86 52.80 55.29 1987-07-01 58.65 22.10 25.05 34.28 39.11 43.52 52.02 58.65 1987-07-02 58.63 21.50 24.94 34.81 39.27 43.63 52.53 58.63 1987-07-03 58.54 22.50 25.84 33.43 39.65 43.72 52.61 58.54 1987-07-04 58.54 22.22 25.79 33.80 39.67 44.65 52.19 58.54 1987-07-05 58.00 20.72 25.78 33.86 40.21 47.04 52.53 58.00 1987-07-06 57.60 19.06 27.07 33.84 40.50 47.33 53.37 58.08 1987-07-07 57.14 17.72 27.38 34.37 39.97 47.07 53.05 57.58 1987-07-08 56.61 17.56 28.45 33.28 40.04 46.40 53.07 57.27 1987-07-09 56.13 17.33 27.90 34.41 40.06 46.70 53.20 57.03 1987-07-10 56.36 17.39 27.52 33.94 39.86 46.51 52.58 56.57 1987-07-11 56.55 18.06 27.34 32.99 39.74 47.39 52.65 56.55 1987-07-12 56.89 17.89 27.28 32.75 40.08 47.90 52.48 56.89 1987-07-13 57.52 17.27 27.60 33.46 39.53 46.85 53.23 57.52 1987-07-14 58.05 16.99 27.36 32.36 39.36 46.25 53.78 58.05 1987-07-15 57.97 18.84 28.21 33.34 39.37 45.97 52.73 57.97 1987-07-16 58.02 19.27 28.35 32.93 39.21 44.06 52.26 58.02 1987-07-17 56.58 20.44 29.17 33.15 39.08 43.06 51.75 56.58 1987-07-18 54.98 21.23 28.05 35.18 40.11 45.15 51.63 54.98 1987-07-19 51.40 22.66 27.75 35.71 40.44 46.44 51.54 57.83 1987-07-20 49.39 21.78 27.31 37.29 41.14 47.40 51.58 57.66 1987-07-21 47.10 21.72 29.66 38.54 41.86 48.11 53.00 57.37 1987-07-22 46.23 21.24 30.25 38.54 43.03 49.34 53.77 57.42 1987-07-23 45.03 20.79 30.53 37.84 43.00 49.87 53.88 57.87 1987-07-24 44.01 20.22 29.33 37.71 43.19 49.43 53.95 58.31 1987-07-25 43.75 19.90 28.22 38.01 43.14 50.57 53.56 58.39 1987-07-26 43.89 19.23 28.29 39.58 42.89 48.62 54.37 58.42 1987-07-27 43.72 19.60 29.11 38.64 42.48 48.70 54.08 58.03 1987-07-28 43.70 19.18 30.37 38.96 42.75 48.46 54.01 57.88 1987-07-29 45.47 19.59 30.52 37.87 42.78 48.54 54.08 57.81 1987-07-30 45.00 19.90 31.12 37.76 43.23 47.50 55.72 58.18 1987-07-31 44.13 20.59 32.13 37.82 43.73 49.60 55.29 59.12 1987-08-01 43.39 20.52 31.85 39.68 43.76 50.63 54.66 59.18 1987-08-02 42.38 21.45 31.77 38.06 43.68 49.41 55.55 58.84 1987-08-03 41.25 21.92 33.01 38.86 43.60 48.72 55.31 59.39 1987-08-04 40.09 22.23 33.02 38.40 43.48 48.02 55.61 58.81 1987-08-05 38.43 22.61 33.74 38.69 43.36 47.45 55.39 58.19 1987-08-06 37.17 22.15 34.61 38.08 43.57 48.14 54.98 57.54 1987-08-07 36.16 22.28 34.32 36.46 43.38 48.94 54.55 56.98 1987-08-08 35.48 21.57 33.46 36.88 43.80 48.84 55.43 57.66 1987-08-09 34.28 20.45 33.84 38.14 43.62 47.56 55.38 56.32 1987-08-10 33.95 19.49 34.05 39.21 43.86 47.65 54.76 56.54 1987-08-11 33.39 19.25 33.66 38.05 43.75 48.91 54.78 57.17 1987-08-12 33.05 18.12 34.67 39.40 43.74 49.54 53.80 55.43 1987-08-13 38.15 18.07 34.46 40.35 43.89 49.75 53.77 55.29 1987-08-14 43.75 18.51 34.43 40.22 44.01 49.35 54.04 57.57 1987-08-15 48.99 18.66 33.80 40.20 43.98 49.09 53.99 57.63 1987-08-16 54.17 18.87 34.35 40.15 43.87 48.98 53.63 58.27 1987-08-17 58.39 18.80 33.87 40.15 43.92 48.46 53.69 60.43 1987-08-18 58.03 18.37 33.45 39.69 43.43 48.45 53.39 58.03 1987-08-19 57.29 17.97 33.01 38.66 43.07 47.50 53.05 58.18 1987-08-20 56.58 17.56 32.83 38.20 42.71 46.38 52.78 57.72 1987-08-21 53.88 17.19 32.63 38.14 42.52 45.96 53.60 56.99 1987-08-22 51.61 17.06 32.39 37.37 42.38 47.45 52.48 57.91 1987-08-23 48.17 20.14 32.47 36.87 42.13 45.64 52.79 59.19 1987-08-24 48.64 22.51 33.34 38.53 42.31 47.41 52.33 59.06 1987-08-25 46.21 24.19 33.62 38.36 42.39 45.98 52.17 58.79 1987-08-26 48.41 26.58 33.79 37.25 42.30 46.17 51.71 58.68 1987-08-27 51.59 27.09 33.34 36.82 42.36 47.26 51.93 58.10 1987-08-28 54.93 25.65 33.01 38.44 42.53 46.96 53.63 59.11 1987-08-29 55.06 24.20 32.00 38.91 42.28 45.95 53.10 58.65 1987-08-30 58.51 29.22 31.92 38.58 42.49 46.25 52.66 58.60 1987-08-31 58.90 29.12 31.87 37.60 42.67 46.83 54.95 58.90 1987-09-01 58.86 29.20 32.36 36.90 42.75 46.69 54.15 58.86 1987-09-02 58.99 28.22 31.53 36.81 42.94 47.17 54.23 58.99 1987-09-03 59.00 27.15 31.78 36.57 42.95 47.47 56.47 59.00 1987-09-04 58.61 26.48 31.07 36.74 42.60 47.41 55.42 58.61 1987-09-05 58.22 25.52 32.15 36.77 42.65 48.60 54.76 58.22 1987-09-06 57.64 24.38 31.04 37.42 42.54 48.81 54.35 57.64 1987-09-07 56.98 24.18 32.91 37.05 42.35 47.78 54.60 57.71 1987-09-08 56.23 24.62 33.51 38.58 42.26 46.95 53.65 56.90 1987-09-09 55.08 24.32 33.10 38.49 42.25 46.26 53.43 56.67 1987-09-10 54.38 23.95 32.67 38.42 41.99 46.05 53.05 55.93 1987-09-11 53.59 22.69 32.15 38.63 41.83 45.99 52.70 57.05 1987-09-12 52.78 21.38 31.06 38.32 41.61 45.89 52.59 60.50 1987-09-13 52.22 20.01 30.85 37.64 41.44 44.83 52.54 60.42 1987-09-14 52.80 19.36 31.01 37.32 41.10 44.07 52.64 60.28 1987-09-15 51.71 18.92 30.88 36.82 40.78 43.89 51.79 60.15 1987-09-16 51.45 18.29 31.21 36.62 40.35 43.51 51.62 59.41 1987-09-17 50.65 17.77 31.00 36.61 40.03 43.68 50.94 58.45 1987-09-18 50.05 17.05 30.89 35.52 39.46 43.34 49.58 57.85 1987-09-19 49.01 15.41 30.91 35.17 39.07 42.94 49.48 57.04 1987-09-20 49.35 13.73 30.10 33.84 38.60 42.66 49.04 56.43 1987-09-21 48.93 12.60 28.93 33.03 38.03 42.00 48.34 55.97 1987-09-22 49.26 11.40 28.51 32.73 37.42 40.62 48.05 55.32 1987-09-23 49.41 10.60 28.40 32.35 37.03 40.63 47.70 53.90 1987-09-24 49.52 10.50 27.67 31.92 36.46 40.15 47.43 52.37 1987-09-25 49.79 10.42 27.28 31.74 35.95 39.60 46.98 51.14 1987-09-26 50.10 10.38 26.92 31.21 35.56 39.34 46.38 50.71 1987-09-27 50.24 10.31 27.59 31.15 35.24 39.11 45.24 50.86 1987-09-28 49.74 10.04 28.24 30.91 34.85 38.15 44.01 50.71 1987-09-29 49.28 9.97 28.50 30.66 34.44 38.19 43.53 50.61 1987-09-30 48.54 9.91 28.16 30.63 34.23 37.82 43.32 50.51 1987-10-01 47.47 8.54 27.60 30.99 33.97 37.56 42.76 50.34 1987-10-02 46.36 6.73 27.23 30.92 33.70 37.26 42.57 49.74 1987-10-03 46.04 6.43 27.27 31.07 33.38 36.17 41.86 49.16 1987-10-04 44.23 6.20 27.74 30.87 33.15 35.72 41.40 48.65 1987-10-05 43.56 4.72 27.56 30.42 32.67 35.61 40.60 48.13 1987-10-06 43.22 4.77 26.96 30.11 32.14 34.67 40.10 47.70 1987-10-07 43.09 4.91 26.40 28.88 31.61 33.73 39.70 47.76 1987-10-08 42.21 5.58 26.24 28.53 31.10 32.97 39.67 47.88 1987-10-09 42.89 5.76 26.32 28.30 30.59 32.56 38.73 48.02 1987-10-10 42.79 5.90 25.09 28.00 30.21 32.28 37.64 48.14 1987-10-11 40.72 5.88 24.50 27.88 29.77 31.46 37.04 48.27 1987-10-12 38.57 5.82 24.08 27.23 29.26 30.72 36.82 48.21 1987-10-13 36.86 5.47 23.28 26.68 28.90 30.86 36.34 48.18 1987-10-14 35.70 5.49 23.13 25.93 28.41 30.66 35.76 47.95 1987-10-15 35.15 5.50 22.39 25.07 27.86 30.18 34.21 47.26 1987-10-16 36.14 5.61 21.88 24.43 27.26 30.08 33.93 46.34 1987-10-17 36.69 5.58 20.53 24.12 26.71 29.35 33.88 45.27 1987-10-18 37.17 5.70 19.27 23.11 25.99 28.14 33.62 43.92 1987-10-19 36.95 5.74 18.90 22.08 25.40 28.38 32.91 43.02 1987-10-20 36.05 6.27 17.47 22.12 24.87 28.17 32.57 42.62 1987-10-21 35.63 6.66 16.16 22.12 24.62 28.49 32.25 42.16 1987-10-22 35.64 7.19 14.67 21.37 24.12 28.51 31.68 41.28 1987-10-23 34.98 7.61 14.51 20.37 23.50 27.08 31.69 40.46 1987-10-24 34.34 8.37 14.11 19.37 22.91 26.21 32.18 39.77 1987-10-25 33.43 8.11 13.19 18.82 22.24 25.91 31.15 38.87 1987-10-26 32.01 7.68 11.39 17.68 21.34 25.75 31.25 38.37 1987-10-27 30.59 6.93 11.18 16.41 20.75 25.49 30.36 37.31 1987-10-28 28.51 6.33 11.54 15.53 20.28 24.60 28.43 35.75 1987-10-29 27.01 7.66 10.91 15.41 19.82 24.32 27.92 33.65 1987-10-30 25.75 8.60 10.25 14.79 19.49 23.42 27.76 32.82 1987-10-31 24.83 7.27 10.31 14.71 19.21 23.62 27.60 32.18 1987-11-01 24.11 5.43 10.06 14.81 18.68 23.62 26.94 32.11 1987-11-02 24.76 4.09 8.56 14.12 18.39 23.50 25.77 31.36 1987-11-03 24.70 3.57 8.96 13.76 18.06 23.33 26.27 30.45 1987-11-04 24.78 1.95 8.80 13.97 17.73 23.07 26.84 30.38 1987-11-05 25.05 4.84 7.27 13.74 17.54 21.62 26.65 29.64 1987-11-06 26.12 3.74 7.64 12.95 17.24 22.12 25.72 28.50 1987-11-07 26.84 2.53 8.47 12.94 16.83 20.86 25.51 26.90 1987-11-08 27.38 2.79 7.99 12.01 16.35 21.46 24.20 27.38 1987-11-09 27.40 3.19 8.01 12.93 15.82 18.85 23.59 27.40 1987-11-10 27.11 3.15 6.86 12.41 15.03 17.61 23.99 27.11 1987-11-11 24.95 3.15 6.91 11.57 14.49 16.68 23.49 26.54 1987-11-12 23.19 3.08 7.41 11.97 14.40 16.35 22.74 27.16 1987-11-13 23.23 2.56 5.45 11.47 13.94 16.42 21.32 27.92 1987-11-14 23.37 2.05 5.61 10.71 13.74 16.88 21.56 28.61 1987-11-15 24.40 1.38 5.39 8.70 13.20 15.06 22.74 29.66 1987-11-16 25.92 1.50 6.24 9.30 13.13 14.48 22.27 30.44 1987-11-17 27.17 2.87 5.53 8.81 12.48 15.34 21.06 29.74 1987-11-18 25.89 1.13 4.59 8.30 11.61 14.32 18.73 28.76 1987-11-19 22.89 1.65 3.80 7.77 10.92 13.99 16.90 27.95 1987-11-20 19.16 1.71 3.80 8.21 10.78 12.76 17.21 25.37 1987-11-21 16.51 0.69 3.25 7.65 10.44 12.85 17.21 22.79 1987-11-22 13.36 0.84 2.99 7.69 10.18 13.01 17.07 21.41 1987-11-23 11.54 0.94 2.19 6.59 9.57 12.42 17.50 20.47 1987-11-24 11.28 0.79 2.49 5.15 9.09 12.39 17.14 19.09 1987-11-25 13.45 0.87 2.57 4.58 8.93 12.43 15.80 20.49 1987-11-26 12.59 0.55 2.74 6.70 9.65 12.42 17.43 20.18 1987-11-27 14.34 0.55 2.97 5.79 9.73 12.63 16.89 22.21 1987-11-28 15.06 0.52 3.89 6.01 9.91 12.76 16.70 20.44 1987-11-29 16.35 0.48 3.20 6.81 10.33 14.22 18.17 19.91 1987-11-30 15.98 0.48 1.75 4.06 8.84 13.85 17.33 20.39 1987-12-01 15.04 0.54 2.11 3.93 8.17 10.86 16.29 20.59 1987-12-02 12.16 0.69 1.62 3.57 7.97 10.78 14.78 19.18 1987-12-03 9.73 1.10 1.29 2.99 6.69 9.30 12.77 20.67 1987-12-04 9.76 0.59 1.42 2.49 6.37 8.78 10.55 19.79 1987-12-05 7.16 0.69 1.66 2.74 6.02 7.19 11.41 18.13 1987-12-06 -9999.0 0.67 1.01 2.68 6.40 9.44 12.15 26.30 1987-12-07 7.76 0.52 0.97 2.34 5.47 7.38 11.65 12.57 1987-12-08 7.80 0.43 0.71 3.52 6.59 8.43 13.95 15.19 1987-12-09 7.24 0.77 1.25 2.72 6.29 7.56 12.50 18.32 1987-12-10 4.17 0.74 1.91 4.31 7.26 9.65 13.06 20.30 1987-12-11 3.56 0.75 1.45 3.73 6.61 6.31 11.95 23.80 1987-12-12 2.09 0.65 1.17 3.47 6.79 7.25 14.64 23.52 1987-12-13 -9999.0 0.54 1.27 3.08 5.91 7.39 11.49 20.70 1987-12-14 -9999.0 0.69 1.16 4.28 6.99 8.13 13.53 20.33 1987-12-15 1.31 0.64 1.00 3.78 5.90 7.18 11.03 14.54 1987-12-16 -9999.0 0.55 0.68 1.78 4.61 6.03 9.56 11.29 1987-12-17 -9999.0 0.51 0.77 1.02 5.85 7.06 13.19 26.67 1987-12-18 -9999.0 0.54 0.80 1.43 3.78 3.97 7.66 15.04 1987-12-19 -9999.0 0.77 1.02 2.88 6.80 7.39 10.04 32.97 1987-12-20 1.31 1.01 1.32 1.64 3.64 3.84 7.59 10.51 1987-12-21 -9999.0 0.78 1.12 1.68 4.88 5.57 6.98 19.86 1987-12-22 1.30 0.87 1.12 1.46 5.61 5.43 13.10 21.89 1987-12-23 -9999.0 0.61 1.15 1.75 2.94 3.61 4.99 6.29 1987-12-24 -9999.0 0.56 1.04 1.40 3.23 4.30 6.13 7.19 1987-12-25 -9999.0 0.50 0.58 2.10 4.22 5.45 7.59 10.68 1987-12-26 -9999.0 0.89 1.61 3.65 7.58 5.44 15.22 31.62 1987-12-27 -9999.0 1.09 2.15 2.68 7.92 4.56 18.65 34.28 1987-12-28 -9999.0 2.65 2.83 3.79 8.83 10.23 18.41 22.28 1987-12-29 -9999.0 1.17 1.61 2.66 6.17 3.83 13.39 22.85 1987-12-30 -9999.0 1.21 1.45 1.86 2.13 2.27 2.87 3.24 1987-12-31 -9999.0 1.01 1.31 1.92 2.13 2.66 2.78 2.85