"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 177349 1970 17 85 89 109 80 84 26 92 89 100 73 110 177349 1971 55 185 42 33 99 17 86 59 86 111 84 69 177349 1972 48 116 149 50 94 112 56 11 114 96 236 141 177349 1973 73 72 74 238 168 102 56 105 80 50 252 177349 1974 82 63 105 102 107 98 50 35 157 48 130 122 177349 1975 89 57 91 94 22 61 45 104 101 123 178 171 177349 1976 112 73 56 74 155 36 156 120 27 179 17 75 177349 1977 64 93 177 26 56 48 31 65 112 202 138 164 177349 1978 149 25 94 85 119 124 64 73 8 87 54 90 177349 1979 272 79 103 162 152 75 167 89 153 110 57 177349 1980 14 17 104 153 49 82 57 67 33 71 144 177349 1981 8 240 37 97 70 177349 1982 177349 1983 177349 1984 177349 1985 177349 1986 177349 1987 177349 1988 177349 1989 177349 1990 177349 1991 177349 1992 177349 1993