"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 277967 1970 18 109 70 92 88 49 66 62 117 85 56 101 277967 1971 60 88 89 38 89 50 84 102 71 73 104 94 277967 1972 32 111 117 70 73 147 147 48 37 110 173 124 277967 1973 90 67 28 136 176 180 118 121 92 70 69 226 277967 1974 82 56 92 80 146 67 78 98 147 42 107 92 277967 1975 110 63 96 92 27 109 178 114 139 140 136 112 277967 1976 103 92 85 80 151 64 259 115 97 158 48 66 277967 1977 89 65 133 116 40 153 97 102 123 177 84 135 277967 1978 189 33 46 81 116 184 97 72 31 112 47 84 277967 1979 208 63 72 118 164 35 154 108 107 139 73 62 277967 1980 21 28 151 99 37 107 65 104 109 112 96 48 277967 1981 25 296 26 74 120 75 145 101 123 139 277967 1982 277967 1983 277967 1984 277967 1985 277967 1986 277967 1987 277967 1988 277967 1989 277967 1990 277967 1991 277967 1992 277967 1993