"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 01100000 1923 99.84 56.69 51.59 40.94 67.79 162.60 333.43 01100000 1924 268.54 141.01 246.90 686.49 432.27 113.77 59.08 46.40 108.83 80.46 78.78 92.92 01100000 1925 45.90 260.25 478.23 414.75 192.22 97.01 113.03 72.05 63.13 103.24 191.05 246.72 01100000 1926 148.20 120.94 230.61 543.87 300.51 111.96 67.59 50.86 43.63 67.18 209.31 124.16 01100000 1927 128.77 138.90 444.99 260.03 200.10 104.21 83.11 96.11 142.01 162.22 500.89 383.56 01100000 1928 243.14 246.07 247.23 451.84 419.57 287.13 190.95 176.12 162.32 99.85 101.39 118.25 01100000 1929 173.29 166.31 489.72 563.60 481.29 128.97 72.66 48.79 44.84 50.07 63.80 60.22 01100000 1930 122.22 137.71 329.13 298.32 170.14 147.57 66.03 64.84 44.33 37.77 83.87 68.28 01100000 1931 51.91 59.60 220.74 501.41 265.17 304.72 97.18 65.45 59.42 59.89 81.49 133.03 01100000 1932 255.75 185.39 197.26 630.24 191.49 67.91 67.70 59.89 93.49 176.52 335.21 160.76 01100000 1933 186.10 181.99 341.85 991.66 314.51 111.37 50.90 64.58 112.81 141.32 116.63 119.60 01100000 1934 157.51 108.14 307.56 811.09 293.85 117.08 53.82 47.62 104.58 119.04 161.45 180.47 01100000 1935 306.63 205.80 391.46 428.78 243.74 281.46 140.84 62.45 77.69 55.85 92.48 119.44 01100000 1936 182.36 130.03 1296.31 586.86 219.46 87.26 57.85 44.73 52.28 101.21 102.09 303.02 01100000 1937 337.08 301.34 241.43 485.36 568.99 240.77 108.58 72.23 66.34 99.12 269.30 336.37 01100000 1938 265.51 309.63 313.13 371.63 215.96 147.19 249.51 213.72 556.41 223.26 185.37 426.89 01100000 1939 209.90 172.37 303.51 748.79 345.19 119.03 63.74 66.02 48.88 51.21 100.58 89.90 01100000 1940 66.43 68.57 117.00 805.99 534.82 297.04 111.42 63.50 83.61 53.20 169.65 142.76 01100000 1941 171.76 225.32 164.91 288.38 115.89 68.74 70.27 40.34 35.38 44.06 67.79 72.74 01100000 1942 96.85 79.60 405.33 425.68 183.28 194.57 94.58 73.97 57.12 69.09 154.33 196.24 01100000 1943 151.16 165.35 351.59 390.85 513.27 175.28 80.03 135.81 73.80 101.78 257.37 124.72 01100000 1944 76.36 88.81 210.64 533.49 282.88 279.15 127.43 55.03 111.08 95.34 99.48 182.61 01100000 1945 193.44 165.60 582.41 420.45 534.73 324.64 180.64 101.14 77.90 120.81 171.28 285.11 01100000 1946 250.17 202.90 544.51 280.21 336.09 241.72 76.30 118.40 80.52 149.96 115.01 112.41 01100000 1947 139.65 244.35 356.60 487.33 385.08 286.11 117.84 72.49 65.74 35.60 110.50 75.83 01100000 1948 65.29 101.07 445.16 390.21 411.08 294.20 124.77 65.12 39.65 38.67 120.87 83.94 01100000 1949 270.82 211.88 282.39 328.74 198.50 83.66 45.20 39.81 54.92 49.25 80.98 101.43 01100000 1950 174.05 157.40 242.62 520.94 207.15 137.22 41.82 36.54 51.99 56.73 171.27 288.87 01100000 1951 198.67 391.15 396.97 751.72 253.13 163.05 131.40 135.69 121.84 158.68 445.12 291.36 01100000 1952 381.40 351.76 353.60 785.70 395.29 301.63 68.27 68.18 56.93 61.97 60.49 210.43 01100000 1953 227.27 384.96 714.26 766.35 481.95 95.34 48.36 55.53 37.43 50.67 107.16 254.44 01100000 1954 132.92 221.56 325.49 465.32 701.34 271.19 103.09 77.76 409.87 179.38 342.76 408.30 01100000 1955 242.71 211.13 330.93 491.39 225.77 187.96 62.72 147.92 96.74 209.27 386.63 137.05 01100000 1956 362.25 207.77 225.40 710.97 490.92 214.69 105.92 49.61 84.88 88.95 103.39 173.80 01100000 1957 197.88 164.90 269.07 266.37 135.67 67.79 54.91 33.90 25.35 36.51 126.99 332.23 01100000 1958 317.24 283.54 348.16 745.02 436.55 121.01 69.04 60.35 55.24 76.63 111.38 125.14 01100000 1959 120.49 127.21 275.38 623.14 174.18 106.76 95.02 52.41 74.37 206.22 318.47 386.71 01100000 1960 248.95 281.86 212.50 943.14 391.60 192.18 70.76 71.56 165.39 150.55 192.24 157.78 01100000 1961 102.74 136.37 339.51 612.12 348.98 150.79 79.08 53.77 74.13 68.54 103.37 104.31 01100000 1962 143.05 96.58 233.97 652.64 275.88 101.75 49.83 58.48 47.76 269.64 301.31 292.29 01100000 1963 160.51 137.79 291.85 533.70 263.36 72.58 38.89 36.20 33.34 37.04 177.47 190.02 01100000 1964 223.15 214.75 364.49 510.46 181.96 51.68 42.00 32.53 30.00 29.33 52.18 81.06 01100000 1965 71.70 93.14 165.96 249.05 141.46 64.22 32.86 25.50 38.61 61.26 75.34 71.40 01100000 1966 73.17 118.30 311.73 263.92 231.67 106.68 33.76 38.90 54.13 87.31 190.02 131.28 01100000 1967 112.73 108.51 152.22 663.09 451.61 208.84 123.80 85.15 48.79 82.74 107.22 193.14 01100000 1968 128.01 140.72 491.95 403.88 291.58 332.35 169.94 52.38 46.94 54.82 128.78 278.50 01100000 1969 149.04 158.83 305.30 936.15 394.38 137.93 70.82 163.82 76.43 58.13 319.37 335.36 01100000 1970 266.02 520.94 285.00 671.01 334.37 109.10 63.39 44.24 47.89 87.58 120.54 140.72 01100000 1971 118.05 148.25 278.72 614.48 467.55 99.42 44.37 59.71 58.72 60.73 64.77 136.21 01100000 1972 146.42 170.33 434.02 641.19 543.05 288.84 194.46 83.40 62.02 86.36 273.00 353.28 01100000 1973 371.19 456.18 564.89 632.32 468.60 238.05 411.04 115.93 60.41 72.59 126.49 534.57 01100000 1974 362.44 306.36 363.30 521.31 397.02 159.70 71.96 39.29 87.03 105.70 154.58 251.71 01100000 1975 232.15 225.26 403.43 519.24 230.35 160.81 97.95 55.01 124.36 318.95 382.27 285.85 01100000 1976 250.28 449.94 509.06 509.90 349.68 96.63 74.14 286.28 139.17 266.38 126.37 104.17 01100000 1977 78.50 86.51 612.58 591.55 227.66 106.55 54.97 47.48 78.47 360.56 251.77 351.51 01100000 1978 524.58 360.38 274.12 608.06 371.59 207.25 55.12 48.54 35.14 47.98 54.92 73.92 01100000 1979 280.84 186.47 708.08 519.52 408.92 191.33 62.58 74.72 95.56 247.94 230.99 216.16 01100000 1980 147.89 68.38 291.99 533.21 263.05 100.63 63.67 38.64 32.89 73.83 100.65 134.79 01100000 1981 66.54 415.81 364.00 312.84 271.44 125.52 144.34 132.40 112.11 246.61 318.14 280.21 01100000 1982 290.39 279.02 338.29 701.13 272.41 431.19 144.33 101.84 50.45 83.58 131.53 126.56 01100000 1983 228.30 291.63 785.48 676.02 480.77 262.69 61.11 41.81 37.47 63.30 282.89 552.91 01100000 1984 219.86 481.67 424.87 782.68 459.74 670.06 215.38 62.31 48.33 65.77 103.64 130.07 01100000 1985 138.02 158.48 306.40 230.77 161.56 75.46 56.13 47.12 93.73 140.95 286.55 194.40 01100000 1986 287.28 311.54 493.43 398.55 165.42 220.35 123.69 185.93 87.21 105.55 213.68 403.24 01100000 1987 216.70 141.03 274.07 1060.28 283.77 175.51 136.97 53.08 109.37 155.52 155.66 214.23 01100000 1988 127.22 192.63 252.08 353.29 398.66 115.00 100.88 72.32 97.48 66.20 270.44 140.10 01100000 1989 86.30 96.49 150.65 484.74 537.82 318.66 106.42 108.28 80.70 260.37 346.99 155.91 01100000 1990 157.02 317.95 521.38 474.21 420.19 201.84 90.25 314.72 84.11 276.16 338.89 378.40 01100000 1991 239.88 244.21 377.90 354.47 261.70 93.73 45.67 158.39 147.30 269.79 309.67 305.79 01100000 1992 293.55 175.80 288.48 349.80 248.44 199.51 109.02 102.41 87.91 94.29 215.13 214.14 01100000 1993 237.54 137.97 219.87 898.40 193.37 95.17 37.79 57.63 59.03 99.47 166.45 326.50 01100000 1994 153.92 180.61 418.18 660.54 368.58 111.89 65.80 73.96 81.68 95.79 97.55 295.72 01100000 1995 357.57 181.91 334.26 197.62 172.08 91.83 47.77 58.50 27.38 205.76 492.80 184.40 01100000 1996 415.03 435.93 377.79 688.19 602.29 165.20 243.84 73.79 62.60 327.29 293.99 577.16 01100000 1997 301.43 255.71 326.98 724.82 370.24 117.74 105.81 52.11 51.23