"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 01011000 1931 40.89 65.05 67.41 19.80 01011000 1932 22.06 15.54 12.89 190.92 169.26 50.57 53.71 34.59 80.90 63.48 75.62 38.43 01011000 1933 16.59 12.53 9.23 97.52 272.47 78.25 43.32 12.29 10.09 41.63 27.69 17.53 01011000 1934 7.97 6.31 6.81 196.86 202.08 77.06 56.95 21.65 19.30 30.26 54.97 54.83 01011000 1935 20.65 12.58 10.08 107.93 149.30 106.42 49.97 14.87 10.48 28.26 12.89 14.29 01011000 1936 6.29 5.26 100.82 141.73 249.33 78.92 25.88 9.14 16.02 41.39 45.07 26.95 01011000 1937 30.89 22.38 23.20 107.70 219.92 76.11 25.04 38.91 22.99 31.68 59.99 37.90 01011000 1938 16.36 9.93 15.77 128.93 174.48 45.39 61.10 33.03 70.28 49.81 30.02 51.48 01011000 1939 20.62 7.92 8.16 37.22 264.74 99.17 73.13 87.12 32.83 62.32 69.63 41.06 01011000 1940 13.67 7.15 7.57 90.90 196.77 122.65 84.70 17.39 13.84 6.86 37.12 17.99 01011000 1941 33.28 13.50 11.24 134.82 97.40 59.20 39.10 37.49 27.36 34.99 69.28 31.46 01011000 1942 13.15 10.11 12.89 108.62 228.44 60.16 39.58 19.53 10.32 15.23 10.91 7.67 01011000 1943 5.62 4.11 5.40 20.28 252.07 98.03 59.86 33.46 20.78 44.09 82.75 16.88 01011000 1944 6.89 6.22 5.55 17.65 128.22 37.74 29.85 23.07 42.91 59.43 27.82 17.22 01011000 1945 15.88 12.15 21.26 246.33 137.69 66.66 84.40 29.53 30.66 48.99 28.19 14.80 01011000 1946 13.05 11.42 16.83 87.85 254.49 48.82 54.08 26.09 16.30 20.99 31.52 26.17 01011000 1947 12.63 24.06 24.13 88.98 331.24 128.67 41.28 52.61 17.24 8.92 7.91 8.10 01011000 1948 5.43 3.37 6.82 72.06 193.56 47.16 48.60 26.36 10.13 20.29 45.17 47.54 01011000 1949 20.05 14.83 23.38 154.12 110.46 61.65 23.29 9.07 8.70 7.73 18.03 19.37 01011000 1950 34.28 20.11 18.74 98.56 120.36 60.81 38.32 20.56 21.80 16.47 66.37 128.81 01011000 1951 34.65 32.40 22.40 178.46 136.72 70.56 46.02 21.62 17.30 13.09 54.39 40.08 01011000 1952 18.34 14.78 12.00 94.92 232.34 101.36 33.59 10.06 6.98 16.38 20.00 16.95 01011000 1953 14.05 16.82 27.84 226.11 164.90 39.91 18.92 6.84 8.52 8.76 20.63 49.29 01011000 1954 25.03 14.23 25.67 144.76 197.04 117.88 114.77 94.94 88.71 106.93 70.95 44.37 01011000 1955 31.29 17.71 22.31 159.60 252.94 56.61 20.38 22.36 16.80 9.26 11.40 8.32 01011000 1956 8.41 6.22 5.13 41.89 173.98 94.69 23.39 12.66 11.92 14.48 12.62 11.50 01011000 1957 6.05 6.36 10.00 54.61 103.07 51.51 27.95 18.63 17.94 13.54 63.17 82.99 01011000 1958 52.81 28.73 15.46 148.61 228.22 47.39 57.37 128.42 47.17 21.70 33.69 22.95 01011000 1959 16.40 9.94 13.16 112.55 140.90 79.36 44.81 24.94 26.82 35.65 73.14 74.46 01011000 1960 13.69 9.85 9.40 117.34 305.27 51.64 22.76 7.63 6.04 9.69 22.96 21.21 01011000 1961 9.95 5.74 7.86 43.54 383.76 106.45 18.12 14.06 48.39 33.80 16.98 26.17 01011000 1962 15.86 6.83 6.41 98.45 148.65 58.89 67.39 50.82 21.08 14.88 84.02 32.68 01011000 1963 16.62 9.11 8.59 82.64 266.91 35.86 25.78 44.90 83.38 44.77 131.06 42.48 01011000 1964 12.77 8.32 9.85 95.69 130.35 37.05 38.66 24.47 22.61 14.33 26.14 26.28 01011000 1965 27.87 10.92 12.09 38.56 105.59 40.72 10.33 11.73 21.29 30.95 28.43 21.22 01011000 1966 17.30 13.88 24.09 108.82 179.62 41.40 15.90 11.77 7.49 36.58 62.99 48.33 01011000 1967 17.30 12.35 10.65 42.12 193.35 52.48 22.77 28.73 76.11 63.29 38.39 33.08 01011000 1968 17.15 19.96 34.50 221.39 96.35 20.37 13.77 4.67 3.46 4.22 6.66 7.13 01011000 1969 6.10 6.36 5.89 61.80 324.68 47.80 22.40 23.26 35.30 15.59 93.98 41.52 01011000 1970 51.42 47.06 20.47 93.51 193.98 67.04 25.34 11.93 21.11 58.15 37.86 23.54 01011000 1971 21.15 20.32 12.28 49.95 255.34 26.02 20.30 46.21 67.20 45.70 14.84 10.65 01011000 1972 7.52 4.63 14.37 66.23 282.90 63.78 59.06 70.90 59.70 59.67 50.27 20.70 01011000 1973 17.27 42.82 59.97 241.92 228.33 70.16 30.67 22.59 22.14 23.73 13.12 70.63 01011000 1974 35.24 22.40 44.58 107.28 344.44 59.64 27.16 20.47 23.52 21.81 20.74 39.22 01011000 1975 18.78 9.99 9.82 60.69 243.63 75.16 31.76 26.96 20.72 21.89 33.05 21.90 01011000 1976 14.68 24.06 27.47 286.05 202.43 51.57 93.38 149.84 58.36 92.71 76.02 21.89 01011000 1977 10.02 6.30 26.68 178.44 154.61 75.23 39.42 34.71 30.45 116.70 56.75 27.92 01011000 1978 39.44 28.26 16.20 92.01 226.97 53.68 27.29 15.44 22.38 16.02 18.70 14.67 01011000 1979 26.06 35.62 102.22 209.98 146.55 95.72 27.36 22.11 63.92 39.25 51.27 26.40 01011000 1980 14.38 9.71 10.38 101.14 74.50 30.01 33.14 27.64 32.07 39.27 29.61 42.71 01011000 1981 17.49 62.96 51.03 175.31 85.76 54.74 26.35 115.67 82.03 136.93 83.89 35.04 01011000 1982 17.11 15.92 13.34 145.21 212.18 34.76 16.87 22.31 42.99 28.60 61.78 46.15 01011000 1983 30.08 17.44 19.67 272.62 178.60 106.09 41.88 19.06 26.22 27.94 67.88 79.09 01011000 1984 29.51 25.73 27.25 209.81 221.91 120.23 82.55 38.42 21.04 14.49 31.37 27.74 01011000 1985 15.16 10.02 14.71 102.52 112.78 38.33 38.34 21.94 16.33 19.93 22.97 18.26 01011000 1986 17.07 38.71 20.21 168.15 102.73 61.97 46.62 77.13 78.00 55.05 31.85 40.85 01011000 1987 20.30 10.88 22.27 219.60 35.94 31.14 33.36 13.46 17.08 27.34 34.51 41.89 01011000 1988 17.27 14.01 18.47 163.04 88.77 23.20 38.85 33.52 18.75 31.98 69.39 23.94 01011000 1989 12.42 9.63 9.17 110.65 156.93 55.00 21.21 19.01 25.20 14.05 36.21 13.78 01011000 1990 14.22 15.74 59.13 178.08 129.47 65.78 27.79 43.18 33.14 143.50 85.45 65.36 01011000 1991 51.78 25.26 28.70 279.84 143.64 23.04 14.02 18.11 18.09 59.04 42.97 29.26 01011000 1992 34.67 22.66 31.12 148.80 125.53 49.51 65.89 42.05 20.22 27.42 35.85 19.19 01011000 1993 14.50 8.64 7.19 187.07 95.36 96.88 38.94 20.19 33.97 61.44 70.21 59.40 01011000 1994 26.21 20.97 15.78 190.56 225.69 114.03 65.78 28.02 19.33 20.85 55.47 33.04 01011000 1995 50.98 31.41 27.07 100.87 123.58 47.30 17.26 9.51 7.26 21.08 98.58 28.36 01011000 1996 38.78 67.95 57.01 164.90 185.97 74.64 79.41 27.58 32.59 27.57 28.57 63.87 01011000 1997 26.10 14.03 15.09 110.46 296.79 60.07 26.26 9.91 11.15 8.14 27.23 8.31 01011000 1998 8.21 12.43 64.31 272.12 73.01 17.30 40.99 15.92 30.66