"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 174817 1970 174817 1971 174817 1972 174817 1973 174817 1974 174817 1975 174817 1976 174817 1977 174817 1978 119 126 36 49 13 79 54 58 174817 1979 217 65 112 108 203 37 139 124 68 112 80 46 174817 1980 23 21 101 138 24 57 52 75 108 107 109 30 174817 1981 14 200 24 85 90 82 143 165 121 148 74 96 174817 1982 94 80 82 90 47 166 67 150 75 40 82 40 174817 1983 124 85 215 145 148 57 115 143 43 105 230 169 174817 1984 48 116 123 130 225 100 101 48 28 69 68 86 174817 1985 30 99 80 45 46 73 26 119 97 94 110 64 174817 1986 180 50 108 63 87 86 70 172 62 30 105 115 174817 1987 102 18 92 177 56 129 110 52 128 115 58 71 174817 1988 53 80 24 79 87 24 88 183 45 64 150 36 174817 1989 43 61 56 90 243 138 38 100 87 118 110 42 174817 1990 132 68 37 99 134 96 68 158 58 193 79 144 174817 1991 69 26 130 89 78 40 43 251 114 80 106 88 174817 1992 82 58 101 66 8 100 107 154 88 55 123 37 174817 1993 58 84 114 155 28 72 87 76 80 78