"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 01081500 1919 145.31 168.90 60.81 35.19 30.05 50.56 68.97 119.60 80.23 01081500 1920 39.79 34.08 130.27 319.23 197.56 67.74 42.44 40.54 49.22 71.71 63.92 150.55 01081500 1921 77.75 52.06 219.12 172.19 71.72 33.16 36.60 36.48 28.53 35.41 63.32 75.14 01081500 1922 47.19 40.91 143.99 270.47 153.32 218.29 106.33 45.58 40.03 40.79 38.56 34.54 01081500 1923 47.57 26.33 42.19 276.06 146.69 41.95 29.16 28.01 25.84 34.95 58.35 98.28 01081500 1924 75.55 55.44 58.18 195.97 182.74 45.48 33.33 29.57 76.21 60.08 59.78 54.04 01081500 1925 38.38 117.93 160.27 155.65 88.40 52.14 73.55 44.35 47.06 75.19 109.67 81.71 01081500 1926 52.96 53.15 53.56 166.39 156.66 60.30 47.26 34.41 33.37 49.93 102.49 48.26 01081500 1927 43.03 40.07 114.92 112.27 87.34 50.78 54.34 42.84 41.11 68.58 210.00 122.05 01081500 1928 64.04 58.78 70.17 198.23 170.42 95.40 64.33 62.73 48.76 42.70 48.07 42.08 01081500 1929 49.27 36.93 116.67 221.61 204.25 57.76 38.64 31.12 30.67 34.61 40.18 34.30 01081500 1930 52.88 53.49 100.97 141.14 80.03 85.15 38.84 48.28 31.17 27.37 42.65 35.47 01081500 1931 22.96 22.48 43.01 140.30 98.57 91.96 48.19 30.74 36.20 39.04 46.14 50.53 01081500 1932 83.13 58.84 41.76 245.88 92.10 33.95 46.01 43.73 49.26 81.15 109.20 50.47 01081500 1933 48.35 43.69 53.55 316.57 159.82 50.23 25.89 33.27 28.43 39.92 36.03 39.70 01081500 1934 39.40 28.89 61.22 303.51 120.26 39.64 27.18 25.85 43.95 42.23 69.24 68.33 01081500 1935 121.44 67.59 94.10 163.61 113.64 97.00 51.26 31.79 40.40 30.28 52.10 43.71 01081500 1936 57.36 47.60 443.20 256.20 124.83 43.77 35.02 30.88 33.13 70.79 64.08 96.51 01081500 1937 105.04 104.37 66.33 205.39 280.27 103.96 57.97 38.26 31.44 61.62 88.89 83.89 01081500 1938 86.43 81.61 123.08 167.03 78.11 44.21 46.28 44.37 192.84 71.94 64.73 154.75 01081500 1939 68.89 58.18 65.81 237.56 187.12 51.99 33.00 33.33 25.07 31.42 44.92 41.29 01081500 1940 22.96 21.35 26.09 208.83 251.70 111.86 40.82 30.43 53.24 31.05 86.58 53.97 01081500 1941 55.26 65.15 51.09 123.15 47.14 30.30 50.91 27.06 23.09 33.26 43.36 37.57 01081500 1942 40.70 22.46 78.69 199.08 87.62 81.90 29.88 26.62 28.79 34.30 66.60 45.60 01081500 1943 30.31 41.40 81.04 143.38 223.53 75.36 45.11 82.88 49.40 64.33 126.89 54.93 01081500 1944 36.89 31.71 46.66 174.47 147.20 88.01 53.46 26.41 35.53 44.87 38.98 47.25 01081500 1945 70.87 67.21 173.94 170.25 192.88 136.55 71.53 35.56 41.65 81.76 79.34 97.04 01081500 1946 62.74 68.59 184.48 109.85 132.34 83.67 37.57 59.26 48.99 77.43 70.29 64.41 01081500 1947 59.01 82.57 108.16 182.06 184.69 142.24 59.92 38.21 33.27 15.72 28.67 21.48 01081500 1948 20.22 25.62 110.82 144.93 161.33 76.80 33.87 33.36 21.62 20.71 61.24 43.28 01081500 1949 103.36 51.72 98.62 131.03 77.94 36.31 24.17 25.03 33.22 31.58 52.37 62.58 01081500 1950 71.43 54.42 64.53 215.17 94.94 70.72 24.32 21.40 27.26 34.17 90.59 95.76 01081500 1951 60.71 86.07 115.74 321.81 110.19 48.26 51.94 59.71 63.14 68.11 124.12 97.30 01081500 1952 114.78 105.01 96.52 315.29 155.35 129.96 29.46 25.23 25.90 28.22 22.83 87.10 01081500 1953 66.52 105.44 231.88 281.85 216.34 34.99 20.18 26.78 18.36 21.85 38.14 77.65 01081500 1954 38.26 72.30 86.62 228.90 266.52 138.81 39.24 32.29 135.73 67.57 103.97 111.60 01081500 1955 86.93 74.82 77.87 213.24 83.79 83.12 31.95 50.70 36.76 35.79 71.02 40.17 01081500 1956 85.14 62.01 61.33 162.19 195.87 90.26 63.18 25.37 56.04 45.88 52.26 64.94 01081500 1957 78.87 56.31 71.77 92.16 52.56 31.58 36.48 16.32 14.87 21.02 59.55 148.91 01081500 1958 83.86 90.20 74.95 253.12 180.46 51.03 30.61 28.68 22.80 30.05 34.68 28.95 01081500 1959 32.33 31.20 59.30 218.72 64.21 47.80 29.78 24.24 29.48 112.26 158.17 139.19 01081500 1960 88.02 94.95 76.60 321.13 166.58 63.06 33.12 30.55 47.02 65.35 65.36 55.84 01081500 1961 37.09 46.25 69.83 173.12 143.43 59.27 36.95 24.58 26.50 15.45 30.68 32.35 01081500 1962 32.72 29.82 48.55 218.62 121.17 38.88 25.75 30.40 27.61 91.09 95.21 81.72 01081500 1963 52.80 47.03 64.80 199.88 134.20 30.33 22.73 25.20 18.71 16.49 73.85 66.49 01081500 1964 69.68 60.39 98.83 198.58 87.04 26.80 21.64 20.85 17.62 16.37 35.78 42.91 01081500 1965 29.53 35.94 48.96 97.31 69.61 34.00 20.33 14.63 24.68 46.07 54.18 40.26 01081500 1966 37.42 35.19 91.12 115.70 117.05 53.47 23.14 24.64 25.82 44.63 89.58 55.49 01081500 1967 39.68 28.72 42.09 201.56 176.97 64.30 33.08 33.61 23.23 46.07 47.39 61.88 01081500 1968 33.57 39.52 143.30 176.31 125.73 117.18 47.29 22.17 24.96 24.23 35.49 51.93 01081500 1969 40.06 53.60 82.09 367.03 202.38 59.64 50.16 82.13 29.68 25.84 110.77 112.03 01081500 1970 91.02 136.87 72.48 239.31 141.68 33.47 28.85 22.52 26.11 42.73 46.91 55.45 01081500 1971 46.77 50.88 70.64 188.65 211.55 38.46 23.97 32.40 31.12 31.27 25.66 36.45 01081500 1972 37.75 42.91 96.74 195.13 227.31 84.24 71.70 38.04 24.38 34.93 80.38 98.87 01081500 1973 119.15 129.11 163.76 201.47 178.42 113.58 224.79 45.05 31.84 39.03 57.79 203.21 01081500 1974 116.58 87.55 99.94 212.82 172.96 63.13 35.60 26.92 45.18 41.15 62.85 80.41 01081500 1975 67.07 62.49 103.69 162.54 118.78 64.11 55.92 23.73 52.10 105.52 128.80 92.51 01081500 1976 84.52 109.35 162.14 236.07 154.17 42.55 32.23 67.13 41.89 98.68 65.38 45.70 01081500 1977 34.65 36.18 177.82 235.20 61.92 41.04 25.46 21.19 42.67 167.60 75.62 96.06 01081500 1978 144.00 91.80 50.11 194.92 181.34 104.37 25.85 20.06 18.97