"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 01030000 1940 203.80 153.89 119.70 124.24 110.99 170.11 123.71 01030000 1941 122.31 114.44 111.39 258.19 173.87 113.44 93.75 86.79 82.20 85.06 102.01 86.05 01030000 1942 92.12 81.87 105.67 245.80 233.67 196.07 113.64 110.97 122.87 120.49 113.31 92.36 01030000 1943 89.93 97.61 111.88 165.84 283.37 168.82 131.91 113.49 118.95 145.29 216.76 110.74 01030000 1944 104.58 105.64 101.43 138.66 181.47 116.44 110.13 103.99 120.25 154.45 154.58 124.36 01030000 1945 138.25 128.02 182.09 317.24 411.62 172.01 154.84 117.47 131.63 139.94 139.00 129.00 01030000 1946 135.02 122.72 203.79 246.23 286.45 140.60 129.42 122.48 129.44 120.32 128.79 117.68 01030000 1947 115.57 142.25 148.43 231.32 512.96 297.52 154.39 128.38 131.50 128.68 105.73 91.31 01030000 1948 81.16 77.21 99.69 222.06 267.36 160.59 116.60 114.99 107.74 98.37 145.95 121.09 01030000 1949 135.98 116.69 141.51 252.81 161.44 133.59 102.63 93.53 91.93 77.13 102.38 101.12 01030000 1950 101.30 95.12 109.67 226.62 143.26 121.91 108.07 117.36 107.98 107.67 223.89 318.77 01030000 1951 142.01 170.86 164.58 424.37 289.81 149.11 143.55 120.01 111.25 117.96 165.80 168.81 01030000 1952 144.11 139.30 141.58 312.30 295.13 271.37 113.93 102.09 104.20 104.61 98.53 88.28 01030000 1953 103.37 133.73 211.49 419.94 255.66 132.01 100.48 100.74 95.74 94.93 122.27 165.60 01030000 1954 126.25 136.87 151.47 291.73 401.48 276.28 180.22 231.60 372.31 362.08 260.03 199.76 01030000 1955 165.36 187.08 211.84 376.96 437.26 167.57 106.03 121.56 109.77 92.85 91.60 73.11 01030000 1956 100.76 103.16 100.96 172.28 209.53 141.14 105.25 99.37 100.29 114.10 111.12 105.10 01030000 1957 109.06 100.52 118.79 171.92 149.72 91.48 79.21 81.67 68.57 73.02 139.99 223.89 01030000 1958 166.77 127.35 153.31 372.51 365.79 136.09 113.93 169.16 151.08 137.30 159.15 129.23 01030000 1959 135.02 113.72 115.07 287.77 170.28 230.57 148.85 135.60 137.71 167.34 239.52 270.03 01030000 1960 178.91 173.10 162.37 335.77 580.34 152.93 134.17 129.03 93.21 94.12 112.62 126.30 01030000 1961 133.37 127.55 119.73 208.28 573.01 269.55 115.47 113.50 115.24 123.20 123.91 123.62 01030000 1962 120.06 113.43 127.80 225.54 172.52 106.62 110.14 126.38 99.64 93.37 200.17 150.86 01030000 1963 128.17 137.09 133.81 281.47 383.97 137.04 109.38 134.69 130.82 129.96 368.10 267.96 01030000 1964 165.81 133.53 126.44 196.98 159.16 118.39 106.17 111.97 106.12 99.74 94.30 116.19 01030000 1965 118.59 103.97 101.07 162.95 152.00 105.00 116.98 115.05 86.89 95.25 107.31 95.20 01030000 1966 106.53 100.92 127.05 195.84 181.09 136.00 115.07 108.66 116.84 115.07 198.12 138.19 01030000 1967 124.94 120.10 109.81 165.04 236.67 152.41 124.23 121.37 188.89 187.96 158.65 142.63 01030000 1968 145.78 162.48 173.94 296.57 162.64 132.19 131.83 107.44 101.61 96.62 99.89 108.31 01030000 1969 76.55 80.32 75.68 232.72 445.85 205.03 124.12 131.29 145.07 125.38 270.10 199.33 01030000 1970 169.86 247.72 169.24 300.97 530.95 198.34 134.06 115.76 97.90 119.83 125.08 120.12 01030000 1971 128.29 134.40 152.77 275.97 379.69 124.66 100.66 91.97 98.12 106.69 98.87 89.61 01030000 1972 85.49 89.59 126.10 203.34 377.77 283.43 230.69 166.80 165.61 133.91 162.26 161.86 01030000 1973 151.22 188.31 236.03 465.01 628.73 200.53 192.55 128.89 142.72 128.89 122.80 308.84 01030000 1974 157.39 128.64 172.64 246.64 720.07 189.44 130.35 127.79 120.54 106.46 103.21 113.82 01030000 1975 109.57 120.14 141.40 203.83 247.59 223.94 100.71 100.48 100.67 91.89 107.23 115.28 01030000 1976 117.93 138.61 168.39 509.99 447.41 164.90 199.04 242.70 147.15 250.38 232.28 131.34 01030000 1977 147.88 160.88 191.13 378.12 233.58 265.60 169.52 117.17 126.48 226.61 182.59 163.08 01030000 1978 203.24 182.84 169.98 269.56 256.24 146.48 78.67 66.33 118.00 116.69 100.01 82.21 01030000 1979 107.69 134.49 301.76 366.29 397.82 211.00 114.86 121.94 119.48 131.31 174.02 138.36 01030000 1980 112.29 100.98 105.19 177.52 144.59 104.27 102.72 109.11 98.35 110.87 124.73 117.11 01030000 1981 96.76 176.00 153.62 208.49 169.31 146.42 125.59 173.79 275.22 373.90 304.03 204.28 01030000 1982 170.04 170.26 173.86 326.80 300.89 136.35 99.47 95.91 100.19 112.90 171.32 158.03 01030000 1983 158.11 149.89 183.70 486.93 388.95 230.79 129.71 124.82 115.63 132.37 195.56 252.74 01030000 1984 172.66 173.74 172.80 378.84 313.18 420.79 197.84 160.55 136.77 126.78 125.31 122.59 01030000 1985 107.15 100.58 131.76 179.67 150.00 95.23 109.39 103.69 106.56 88.91 120.60 92.96 01030000 1986 137.89 152.96 152.76 262.74 175.67 135.90 104.12 156.87 153.21 130.74 104.16 134.84 01030000 1987 126.05 113.65 130.68 430.88 154.19 127.84 102.05 80.56 97.09 107.38 101.83 142.42 01030000 1988 113.36 111.73 112.63 203.00 136.51 84.48 96.49 109.77 106.90 111.02 183.58 133.94 01030000 1989 119.50 113.00 105.86 207.29 352.54 131.54 103.26 126.60 140.43 121.70 156.98 106.82 01030000 1990 106.76 124.79 172.32 287.21 213.90 249.76 139.27 120.35 135.73 330.28 277.00 243.79 01030000 1991 167.87 137.93 170.79 502.44 262.04 132.70 87.01 132.99 127.02