"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 01046500 1930 68.66 53.72 67.96 01046500 1931 71.48 71.30 67.15 134.32 122.58 104.01 76.19 75.76 72.98 75.70 79.67 79.15 01046500 1932 90.93 92.51 84.44 232.07 203.34 105.55 79.03 80.29 112.94 81.33 129.80 91.20 01046500 1933 92.92 91.02 85.98 219.01 399.36 124.63 83.30 77.56 74.34 67.32 61.84 60.68 01046500 1934 68.24 68.96 70.08 323.20 189.22 105.21 89.86 85.86 75.09 73.98 61.05 83.05 01046500 1935 86.02 97.49 93.23 232.07 228.46 241.98 92.40 89.92 84.46 71.41 55.37 57.31 01046500 1936 63.67 78.19 426.77 300.22 360.23 120.37 87.49 72.87 70.34 91.74 82.67 100.34 01046500 1937 102.42 118.20 107.91 194.53 459.18 144.56 85.14 78.32 72.35 109.76 92.93 89.56 01046500 1938 98.29 95.92 108.49 215.65 326.62 99.67 124.22 91.62 112.12 97.83 91.14 128.70 01046500 1939 106.22 106.11 106.01 132.68 252.86 102.14 90.40 80.02 68.92 71.20 91.74 90.98 01046500 1940 92.68 81.45 70.52 133.48 285.72 124.74 104.18 86.50 73.19 67.63 83.04 76.15 01046500 1941 96.80 97.00 84.49 193.37 73.07 68.43 61.70 65.39 66.77 56.59 55.94 56.97 01046500 1942 57.87 54.24 72.35 197.87 208.79 232.70 101.32 79.55 74.68 75.78 66.36 72.54 01046500 1943 80.58 76.60 73.17 98.35 305.79 218.97 119.91 78.74 76.63 97.57 120.38 95.71 01046500 1944 105.27 109.10 108.01 109.05 272.20 68.20 68.17 71.56 63.92 71.89 68.48 70.99 01046500 1945 94.08 101.27 155.47 406.16 414.73 110.90 113.53 93.11 83.02 109.22 85.75 86.68 01046500 1946 93.24 111.03 179.66 229.97 267.89 95.64 80.42 71.71 63.09 86.10 77.12 80.47 01046500 1947 89.69 115.91 167.25 186.61 535.59 192.49 81.62 89.05 88.64 75.17 53.27 46.93 01046500 1948 45.27 46.69 59.86 152.56 243.63 76.24 78.38 77.59 69.93 63.63 73.20 72.87 01046500 1949 83.27 90.33 90.80 189.18 103.31 76.37 73.82 69.77 62.58 57.67 38.12 43.09 01046500 1950 50.70 67.41 72.77 126.03 105.17 81.39 95.44 97.79 94.84 92.74 146.81 185.93 01046500 1951 145.95 137.40 137.23 400.66 216.30 111.12 92.87 97.12 96.45 101.35 123.49 116.20 01046500 1952 139.57 146.52 130.99 155.53 195.50 184.29 98.86 93.15 81.79 80.29 67.92 63.64 01046500 1953 76.81 86.09 174.39 334.36 240.90 90.23 90.92 97.90 97.32 92.38 103.21 103.47 01046500 1954 111.23 102.07 109.16 227.93 314.67 251.50 107.91 151.99 287.17 263.89 214.69 173.24 01046500 1955 166.01 157.54 153.19 230.49 238.27 134.64 95.58 97.87 104.47 92.61 76.09 73.41 01046500 1956 80.44 92.43 94.29 107.82 197.88 134.25 89.98 98.55 94.32 93.33 94.24 97.53 01046500 1957 97.03 91.39 72.09 91.44 65.26 67.86 71.05 87.29 83.87 79.33 74.90 131.42 01046500 1958 111.06 145.96 183.93 359.32 363.31 108.67 96.11 98.21 96.90 108.07 87.86 102.12 01046500 1959 97.89 98.27 104.47 169.08 101.82 270.85 123.18 99.26 96.95 103.03 113.42 128.70 01046500 1960 130.51 138.66 156.01 236.39 342.04 128.56 98.30 100.07 101.67 95.15 91.53 88.14 01046500 1961 96.11 94.41 84.07 114.10 418.64 188.10 103.59 102.20 101.23 95.45 92.29 93.83 01046500 1962 98.90 102.37 106.71 163.23 168.89 102.79 98.82 95.97 87.55 80.92 106.35 129.43 01046500 1963 137.99 186.43 197.90 150.35 257.77 104.74 103.39 100.86 102.24 103.53 193.64 199.98 01046500 1964 132.11 137.25 92.73 116.71 96.89 102.65 94.94 102.55 99.19 101.95 87.29 64.03 01046500 1965 79.64 87.89 69.60 81.25 76.60 63.08 66.17 70.43 68.80 70.00 81.11 93.35 01046500 1966 96.95 97.85 84.42 132.23 191.42 118.31 102.17 105.18 102.20 95.51 112.02 83.84 01046500 1967 94.64 98.27 92.82 76.30 141.96 196.69 97.78 103.30 109.96 105.10 108.85 96.78 01046500 1968 111.48 112.46 108.34 223.49 152.19 122.78 108.86 111.39 104.04 93.87 65.65 54.71 01046500 1969 66.03 85.17 88.48 169.01 574.72 180.44 106.51 102.39 114.80 109.16 250.29 252.60 01046500 1970 217.59 192.07 194.49 206.32 406.53 102.11 96.22 105.31 95.80 98.13 89.72 90.47 01046500 1971 94.93 92.39 126.81 203.81 262.47 102.76 102.33 100.19 91.94 83.49 73.00 53.46 01046500 1972 46.51 45.99 66.32 112.35 373.26 185.32 153.69 104.54 92.03 89.19 73.15 78.25 01046500 1973 86.03 94.75 195.40 355.13 376.68 155.49 201.00 115.01 112.83 112.36 94.92 354.17 01046500 1974 137.24 158.45 136.15 301.02 627.53 173.22 111.01 109.93 109.55 109.59 92.79 99.59 01046500 1975 101.74 106.25 107.63 156.19 193.52 199.87 105.95 108.18 91.82 88.39 86.99 90.67 01046500 1976 89.91 81.07 115.93 303.20 339.51 120.32 175.45 182.02 102.17 149.46 145.21 114.36 01046500 1977 123.64 128.37 136.30 274.05 160.78 180.82 109.67 88.66 89.08 174.95 158.90 103.56 01046500 1978 183.79 183.58 207.83 225.23 288.46 151.79 104.88 112.02 97.77 95.95 89.96 66.18 01046500 1979 52.77 72.94 131.46 231.49 359.97 194.32 98.32 99.98 102.30 78.72 91.44 86.87 01046500 1980 94.67 84.92 54.01 96.08 62.08 46.93 55.50 66.80 70.87 74.71 82.10 96.29 01046500 1981 104.01 87.56 80.15 74.39 122.05 131.69 90.58 84.05 151.65 214.11 156.22 122.29 01046500 1982 137.09 142.89 167.95 260.40 267.71 101.08 94.79 87.99 87.43 90.52 77.41 75.92 01046500 1983 72.92 77.04 72.00 455.42 384.94 187.33 92.59 93.09 87.03 90.32 77.48 104.90 01046500 1984 119.51 131.63 167.02 305.96 366.36 385.01 194.24 108.10 99.97 91.56 71.06 55.11 01046500 1985 58.17 47.52 43.17 115.78 98.12 97.09 160.83 111.75 112.62 120.45 112.73 112.63 01046500 1986 140.02 125.76 172.29 203.27 219.46 131.94 75.40 100.27 124.72 117.58 85.59 67.99 01046500 1987 117.73 152.09 131.16 275.26 150.64 145.14 106.15 68.04 51.78 64.90 65.89 78.59 01046500 1988 85.24 110.99 109.78 124.00 64.82 46.39 55.33 81.03 104.63 99.91 206.48 111.48 01046500 1989 113.82 98.41 60.39 120.49 308.90 138.35 75.20 80.49 111.51 102.20 91.93 108.10 01046500 1990 74.41 109.92 114.81 139.02 228.73 136.35 96.93 103.55 112.97 177.64 227.07 218.91 01046500 1991 156.34 150.21 136.16 318.22 207.97 98.50 70.33 81.97 94.30 132.20 131.08 117.17 01046500 1992 139.64 136.95 123.43 142.92 102.36 102.27 120.05 114.18 102.89 84.61 65.38 67.58 01046500 1993 98.36 103.78 84.90 326.52 204.49 137.01 93.52 77.00 70.24 77.18 74.75 86.45 01046500 1994 129.90 135.56 108.69 218.27 312.46 123.23 110.95 90.69 60.95 72.71 63.88 70.29 01046500 1995 116.29 146.91 140.49 76.79 98.94 119.88 75.42 63.69 62.20 87.80 230.50 141.28 01046500 1996 184.52 251.95 302.61 246.20 390.74 203.62 326.81 161.38 150.60 120.20 85.87 114.89 01046500 1997 136.90 167.41 149.86 169.12 255.35 107.14 88.45 64.05 84.70 86.83 80.59 62.67 01046500 1998 91.14 121.57 168.72 369.31 166.76 213.96 256.18 118.45 96.87