| Year | Month | Cooling Deg. Days | | | | 1950 | Jan. | 0 | | 1950 | Feb. | 0 | | 1950 | Mar. | 0 | | 1950 | Apr. | 0 | | 1950 | May | 15 | | 1950 | Jun. | 117 | | 1950 | Jul. | 148 | | 1950 | Aug. | 100 | | 1950 | Sep. | 24 | | 1950 | Oct. | 31 | | 1950 | Nov. | 2 | | 1950 | Dec. | 0 | | 1950 | Tot. | 437 | | | | 1951 | Jan. | 0 | | 1951 | Feb. | 0 | | 1951 | Mar. | 0 | | 1951 | Apr. | 5 | | 1951 | May | 29 | | 1951 | Jun. | 37 | | 1951 | Jul. | 169 | | 1951 | Aug. | 102 | | 1951 | Sep. | 37 | | 1951 | Oct. | 28 | | 1951 | Nov. | 0 | | 1951 | Dec. | 0 | | 1951 | Tot. | 407 | | | | 1952 | Jan. | 0 | | 1952 | Feb. | 0 | | 1952 | Mar. | 0 | | 1952 | Apr. | 1 | | 1952 | May | 17 | | 1952 | Jun. | 212 | | 1952 | Jul. | 306 | | 1952 | Aug. | 175 | | 1952 | Sep. | 71 | | 1952 | Oct. | 7 | | 1952 | Nov. | 0 | | 1952 | Dec. | 0 | | 1952 | Tot. | 789 | | | | 1953 | Jan. | 0 | | 1953 | Feb. | 0 | | 1953 | Mar. | 0 | | 1953 | Apr. | 1 | | 1953 | May | 42 | | 1953 | Jun. | 198 | | 1953 | Jul. | 261 | | 1953 | Aug. | 240 | | 1953 | Sep. | 108 | | 1953 | Oct. | 28 | | 1953 | Nov. | 0 | | 1953 | Dec. | 0 | | 1953 | Tot. | 878 | | | | 1954 | Jan. | 0 | | 1954 | Feb. | 0 | | 1954 | Mar. | 0 | | 1954 | Apr. | 1 | | 1954 | May | 20 | | 1954 | Jun. | 228 | | 1954 | Jul. | 214 | | 1954 | Aug. | 169 | | 1954 | Sep. | 112 | | 1954 | Oct. | 26 | | 1954 | Nov. | 0 | | 1954 | Dec. | 0 | | 1954 | Tot. | 770 | | | | 1955 | Jan. | 0 | | 1955 | Feb. | 0 | | 1955 | Mar. | 0 | | 1955 | Apr. | 0 | | 1955 | May | 42 | | 1955 | Jun. | 75 | | 1955 | Jul. | 385 | | 1955 | Aug. | 362 | | 1955 | Sep. | 105 | | 1955 | Oct. | 7 | | 1955 | Nov. | 0 | | 1955 | Dec. | 0 | | 1955 | Tot. | 976 | | | | 1956 | Jan. | 0 | | 1956 | Feb. | 0 | | 1956 | Mar. | 0 | | 1956 | Apr. | 4 | | 1956 | May | 45 | | 1956 | Jun. | 211 | | 1956 | Jul. | 164 | | 1956 | Aug. | 217 | | 1956 | Sep. | 47 | | 1956 | Oct. | 14 | | 1956 | Nov. | 0 | | 1956 | Dec. | 0 | | 1956 | Tot. | 702 | | | | 1957 | Jan. | 0 | | 1957 | Feb. | 0 | | 1957 | Mar. | 0 | | 1957 | Apr. | 9 | | 1957 | May | 17 | | 1957 | Jun. | 135 | | 1957 | Jul. | 241 | | 1957 | Aug. | 174 | | 1957 | Sep. | 50 | | 1957 | Oct. | 0 | | 1957 | Nov. | 0 | | 1957 | Dec. | 0 | | 1957 | Tot. | 626 | | | | 1958 | Jan. | 0 | | 1958 | Feb. | 0 | | 1958 | Mar. | 0 | | 1958 | Apr. | 3 | | 1958 | May | 34 | | 1958 | Jun. | 26 | | 1958 | Jul. | 173 | | 1958 | Aug. | 229 | | 1958 | Sep. | 77 | | 1958 | Oct. | 7 | | 1958 | Nov. | 0 | | 1958 | Dec. | 0 | | 1958 | Tot. | 549 | | | | 1959 | Jan. | 0 | | 1959 | Feb. | 0 | | 1959 | Mar. | 0 | | 1959 | Apr. | 1 | | 1959 | May | 89 | | 1959 | Jun. | 167 | | 1959 | Jul. | 205 | | 1959 | Aug. | 321 | | 1959 | Sep. | 137 | | 1959 | Oct. | 0 | | 1959 | Nov. | 0 | | 1959 | Dec. | 0 | | 1959 | Tot. | 920 | | | | 1960 | Jan. | 0 | | 1960 | Feb. | 0 | | 1960 | Mar. | 0 | | 1960 | Apr. | 26 | | 1960 | May | 5 | | 1960 | Jun. | 72 | | 1960 | Jul. | 184 | | 1960 | Aug. | 212 | | 1960 | Sep. | 144 | | 1960 | Oct. | 4 | | 1960 | Nov. | 0 | | 1960 | Dec. | 0 | | 1960 | Tot. | 647 | | | | 1961 | Jan. | 0 | | 1961 | Feb. | 0 | | 1961 | Mar. | 0 | | 1961 | Apr. | 0 | | 1961 | May | 15 | | 1961 | Jun. | 127 | | 1961 | Jul. | 236 | | 1961 | Aug. | 237 | | 1961 | Sep. | 150 | | 1961 | Oct. | 10 | | 1961 | Nov. | 0 | | 1961 | Dec. | 0 | | 1961 | Tot. | 775 | | | | 1962 | Jan. | 0 | | 1962 | Feb. | 0 | | 1962 | Mar. | 0 | | 1962 | Apr. | 20 | | 1962 | May | 125 | | 1962 | Jun. | 122 | | 1962 | Jul. | 121 | | 1962 | Aug. | 194 | | 1962 | Sep. | 60 | | 1962 | Oct. | 33 | | 1962 | Nov. | 0 | | 1962 | Dec. | 0 | | 1962 | Tot. | 675 | | | | 1963 | Jan. | 0 | | 1963 | Feb. | 0 | | 1963 | Mar. | 0 | | 1963 | Apr. | 5 | | 1963 | May | 17 | | 1963 | Jun. | 171 | | 1963 | Jul. | 248 | | 1963 | Aug. | 155 | | 1963 | Sep. | 64 | | 1963 | Oct. | 44 | | 1963 | Nov. | 0 | | 1963 | Dec. | 0 | | 1963 | Tot. | 704 | | | | 1964 | Jan. | 0 | | 1964 | Feb. | 0 | | 1964 | Mar. | 0 | | 1964 | Apr. | 6 | | 1964 | May | 99 | | 1964 | Jun. | 192 | | 1964 | Jul. | 273 | | 1964 | Aug. | 182 | | 1964 | Sep. | 110 | | 1964 | Oct. | 0 | | 1964 | Nov. | 0 | | 1964 | Dec. | 0 | | 1964 | Tot. | 862 | | | | 1965 | Jan. | 0 | | 1965 | Feb. | 0 | | 1965 | Mar. | 0 | | 1965 | Apr. | 0 | | 1965 | May | 59 | | 1965 | Jun. | 111 | | 1965 | Jul. | 203 | | 1965 | Aug. | 166 | | 1965 | Sep. | 72 | | 1965 | Oct. | 8 | | 1965 | Nov. | 0 | | 1965 | Dec. | 0 | | 1965 | Tot. | 619 | | | | 1966 | Jan. | 0 | | 1966 | Feb. | 0 | | 1966 | Mar. | 0 | | 1966 | Apr. | 0 | | 1966 | May | 16 | | 1966 | Jun. | 190 | | 1966 | Jul. | 325 | | 1966 | Aug. | 198 | | 1966 | Sep. | 60 | | 1966 | Oct. | 6 | | 1966 | Nov. | 0 | | 1966 | Dec. | 0 | | 1966 | Tot. | 795 | | | | 1967 | Jan. | 0 | | 1967 | Feb. | 0 | | 1967 | Mar. | 0 | | 1967 | Apr. | 0 | | 1967 | May | 15 | | 1967 | Jun. | 141 | | 1967 | Jul. | 166 | | 1967 | Aug. | 103 | | 1967 | Sep. | 51 | | 1967 | Oct. | 22 | | 1967 | Nov. | 0 | | 1967 | Dec. | 0 | | 1967 | Tot. | 498 | | | | 1968 | Jan. | 0 | | 1968 | Feb. | 0 | | 1968 | Mar. | 0 | | 1968 | Apr. | 0 | | 1968 | May | 9 | | 1968 | Jun. | 160 | | 1968 | Jul. | 234 | | 1968 | Aug. | 257 | | 1968 | Sep. | 60 | | 1968 | Oct. | 45 | | 1968 | Nov. | 0 | | 1968 | Dec. | 0 | | 1968 | Tot. | 765 | | | | 1969 | Jan. | 0 | | 1969 | Feb. | 0 | | 1969 | Mar. | 0 | | 1969 | Apr. | 0 | | 1969 | May | 38 | | 1969 | Jun. | 85 | | 1969 | Jul. | 209 | | 1969 | Aug. | -999 | | 1969 | Sep. | 78 | | 1969 | Oct. | 14 | | 1969 | Nov. | 0 | | 1969 | Dec. | 0 | | 1969 | Tot. | -999 | | | | 1970 | Jan. | 0 | | 1970 | Feb. | 0 | | 1970 | Mar. | 0 | | 1970 | Apr. | 9 | | 1970 | May | 25 | | 1970 | Jun. | 121 | | 1970 | Jul. | 268 | | 1970 | Aug. | 218 | | 1970 | Sep. | 60 | | 1970 | Oct. | 8 | | 1970 | Nov. | 0 | | 1970 | Dec. | 0 | | 1970 | Tot. | 709 |  | | 1971 | Jan. | 0 | | 1971 | Feb. | 0 | | 1971 | Mar. | 0 | | 1971 | Apr. | 0 | | 1971 | May | 19 | | 1971 | Jun. | 178 | | 1971 | Jul. | 146 | | 1971 | Aug. | 130 | | 1971 | Sep. | 135 | | 1971 | Oct. | 38 | | 1971 | Nov. | 0 | | 1971 | Dec. | 0 | | 1971 | Tot. | 646 | | | | 1972 | Jan. | 0 | | 1972 | Feb. | 0 | | 1972 | Mar. | 0 | | 1972 | Apr. | 0 | | 1972 | May | 17 | | 1972 | Jun. | 55 | | 1972 | Jul. | 200 | | 1972 | Aug. | 198 | | 1972 | Sep. | 52 | | 1972 | Oct. | 0 | | 1972 | Nov. | 0 | | 1972 | Dec. | 0 | | 1972 | Tot. | 522 | | | | 1973 | Jan. | 0 | | 1973 | Feb. | 0 | | 1973 | Mar. | 0 | | 1973 | Apr. | 0 | | 1973 | May | 1 | | 1973 | Jun. | 156 | | 1973 | Jul. | 235 | | 1973 | Aug. | 238 | | 1973 | Sep. | 86 | | 1973 | Oct. | 22 | | 1973 | Nov. | 0 | | 1973 | Dec. | 0 | | 1973 | Tot. | 738 |  | | 1974 | Jan. | 0 | | 1974 | Feb. | 0 | | 1974 | Mar. | 0 | | 1974 | Apr. | 6 | | 1974 | May | 7 | | 1974 | Jun. | 52 | | 1974 | Jul. | 234 | | 1974 | Aug. | 133 | | 1974 | Sep. | 35 | | 1974 | Oct. | 5 | | 1974 | Nov. | 1 | | 1974 | Dec. | 0 | | 1974 | Tot. | 473 | | | | 1975 | Jan. | 0 | | 1975 | Feb. | 0 | | 1975 | Mar. | 0 | | 1975 | Apr. | 0 | | 1975 | May | 54 | | 1975 | Jun. | 147 | | 1975 | Jul. | 223 | | 1975 | Aug. | 222 | | 1975 | Sep. | 19 | | 1975 | Oct. | 16 | | 1975 | Nov. | 0 | | 1975 | Dec. | 0 | | 1975 | Tot. | 681 | | | | 1976 | Jan. | 0 | | 1976 | Feb. | 0 | | 1976 | Mar. | 0 | | 1976 | Apr. | 18 | | 1976 | May | 1 | | 1976 | Jun. | 136 | | 1976 | Jul. | 213 | | 1976 | Aug. | 142 | | 1976 | Sep. | 55 | | 1976 | Oct. | 0 | | 1976 | Nov. | 0 | | 1976 | Dec. | -999 | | 1976 | Tot. | 565 | | | | 1977 | Jan. | -999 | | 1977 | Feb. | 0 | | 1977 | Mar. | 0 | | 1977 | Apr. | 15 | | 1977 | May | 103 | | 1977 | Jun. | 85 | | 1977 | Jul. | 251 | | 1977 | Aug. | 99 | | 1977 | Sep. | 28 | | 1977 | Oct. | 0 | | 1977 | Nov. | 0 | | 1977 | Dec. | 0 | | 1977 | Tot. | 581 | | | | 1978 | Jan. | 0 | | 1978 | Feb. | 0 | | 1978 | Mar. | 0 | | 1978 | Apr. | 0 | | 1978 | May | 41 | | 1978 | Jun. | 96 | | 1978 | Jul. | 148 | | 1978 | Aug. | 156 | | 1978 | Sep. | 130 | | 1978 | Oct. | 0 | | 1978 | Nov. | 0 | | 1978 | Dec. | 0 | | 1978 | Tot. | 571 | | | | 1979 | Jan. | 0 | | 1979 | Feb. | 0 | | 1979 | Mar. | 0 | | 1979 | Apr. | 0 | | 1979 | May | 25 | | 1979 | Jun. | 88 | | 1979 | Jul. | 161 | | 1979 | Aug. | 130 | | 1979 | Sep. | 55 | | 1979 | Oct. | 13 | | 1979 | Nov. | 0 | | 1979 | Dec. | 0 | | 1979 | Tot. | 472 | | | | 1980 | Jan. | 0 | | 1980 | Feb. | 0 | | 1980 | Mar. | 0 | | 1980 | Apr. | 1 | | 1980 | May | 20 | | 1980 | Jun. | 53 | | 1980 | Jul. | 209 | | 1980 | Aug. | 218 | | 1980 | Sep. | 46 | | 1980 | Oct. | 0 | | 1980 | Nov. | 0 | | 1980 | Dec. | 0 | | 1980 | Tot. | 547 | | | | 1981 | Jan. | 0 | | 1981 | Feb. | 0 | | 1981 | Mar. | 0 | | 1981 | Apr. | 0 | | 1981 | May | 10 | | 1981 | Jun. | 107 | | 1981 | Jul. | 141 | | 1981 | Aug. | 154 | | 1981 | Sep. | 37 | | 1981 | Oct. | 0 | | 1981 | Nov. | 0 | | 1981 | Dec. | 0 | | 1981 | Tot. | 449 | | | | 1982 | Jan. | 0 | | 1982 | Feb. | 0 | | 1982 | Mar. | 0 | | 1982 | Apr. | 0 | | 1982 | May | 36 | | 1982 | Jun. | 17 | | 1982 | Jul. | 203 | | 1982 | Aug. | 104 | | 1982 | Sep. | 56 | | 1982 | Oct. | 9 | | 1982 | Nov. | 0 | | 1982 | Dec. | 0 | | 1982 | Tot. | 425 | | | | 1983 | Jan. | 0 | | 1983 | Feb. | 0 | | 1983 | Mar. | 0 | | 1983 | Apr. | 0 | | 1983 | May | -999 | | 1983 | Jun. | 161 | | 1983 | Jul. | 364 | | 1983 | Aug. | 385 | | 1983 | Sep. | 126 | | 1983 | Oct. | 13 | | 1983 | Nov. | -999 | | 1983 | Dec. | 0 | | 1983 | Tot. | -999 | | | | 1984 | Jan. | 0 | | 1984 | Feb. | 0 | | 1984 | Mar. | 0 | | 1984 | Apr. | 0 | | 1984 | May | 8 | | 1984 | Jun. | 121 | | 1984 | Jul. | 172 | | 1984 | Aug. | 210 | | 1984 | Sep. | 60 | | 1984 | Oct. | 0 | | 1984 | Nov. | 0 | | 1984 | Dec. | 0 | | 1984 | Tot. | 571 | | | | 1985 | Jan. | 0 | | 1985 | Feb. | 0 | | 1985 | Mar. | 0 | | 1985 | Apr. | 32 | | 1985 | May | 19 | | 1985 | Jun. | 39 | | 1985 | Jul. | -999 | | 1985 | Aug. | 87 | | 1985 | Sep. | 112 | | 1985 | Oct. | 0 | | 1985 | Nov. | 0 | | 1985 | Dec. | 0 | | 1985 | Tot. | -999 | | | | 1986 | Jan. | 0 | | 1986 | Feb. | 0 | | 1986 | Mar. | 2 | | 1986 | Apr. | 2 | | 1986 | May | 13 | | 1986 | Jun. | 67 | | 1986 | Jul. | 213 | | 1986 | Aug. | 64 | | 1986 | Sep. | 48 | | 1986 | Oct. | 0 | | 1986 | Nov. | -999 | | 1986 | Dec. | -999 | | 1986 | Tot. | 409 | | | | 1987 | Jan. | 0 | | 1987 | Feb. | 0 | | 1987 | Mar. | 0 | | 1987 | Apr. | 4 | | 1987 | May | 99 | | 1987 | Jun. | 175 | | 1987 | Jul. | 295 | | 1987 | Aug. | 159 | | 1987 | Sep. | 25 | | 1987 | Oct. | 0 | | 1987 | Nov. | 0 | | 1987 | Dec. | 0 | | 1987 | Tot. | 757 | | | | 1988 | Jan. | 0 | | 1988 | Feb. | 0 | | 1988 | Mar. | 0 | | 1988 | Apr. | -999 | | 1988 | May | 56 | | 1988 | Jun. | 209 | | 1988 | Jul. | 286 | | 1988 | Aug. | 357 | | 1988 | Sep. | 46 | | 1988 | Oct. | 0 | | 1988 | Nov. | 0 | | 1988 | Dec. | 0 | | 1988 | Tot. | -999 | | | | 1989 | Jan. | 0 | | 1989 | Feb. | 0 | | 1989 | Mar. | 3 | | 1989 | Apr. | 0 | | 1989 | May | 31 | | 1989 | Jun. | 88 | | 1989 | Jul. | 197 | | 1989 | Aug. | 167 | | 1989 | Sep. | 52 | | 1989 | Oct. | 21 | | 1989 | Nov. | -999 | | 1989 | Dec. | 0 | | 1989 | Tot. | 559 | | | | 1990 | Jan. | 0 | | 1990 | Feb. | 0 | | 1990 | Mar. | 5 | | 1990 | Apr. | 36 | | 1990 | May | 3 | | 1990 | Jun. | 105 | | 1990 | Jul. | 168 | | 1990 | Aug. | 199 | | 1990 | Sep. | 105 | | 1990 | Oct. | 2 | | 1990 | Nov. | 0 | | 1990 | Dec. | 0 | | 1990 | Tot. | 623 | | | | 1991 | Jan. | 0 | | 1991 | Feb. | 0 | | 1991 | Mar. | 0 | | 1991 | Apr. | 15 | | 1991 | May | 129 | | 1991 | Jun. | 174 | | 1991 | Jul. | 261 | | 1991 | Aug. | 226 | | 1991 | Sep. | 99 | | 1991 | Oct. | 6 | | 1991 | Nov. | 0 | | 1991 | Dec. | 0 | | 1991 | Tot. | 910 | | | | 1992 | Jan. | 0 | | 1992 | Feb. | 0 | | 1992 | Mar. | 0 | | 1992 | Apr. | 0 | | 1992 | May | 30 | | 1992 | Jun. | 44 | | 1992 | Jul. | 114 | | 1992 | Aug. | 81 | | 1992 | Sep. | 40 | | 1992 | Oct. | 0 | | 1992 | Nov. | 0 | | 1992 | Dec. | 0 | | 1992 | Tot. | 309 | | | | 1993 | Jan. | 0 | | 1993 | Feb. | 0 | | 1993 | Mar. | 0 | | 1993 | Apr. | 0 | | 1993 | May | 12 | | 1993 | Jun. | 89 | | 1993 | Jul. | -999 | | 1993 | Aug. | 235 | | 1993 | Sep. | 18 | | 1993 | Oct. | 6 | | 1993 | Nov. | 0 | | 1993 | Dec. | 0 | | 1993 | Tot. | -999 | | | | 1994 | Jan. | 0 | | 1994 | Feb. | 0 | | 1994 | Mar. | 0 | | 1994 | Apr. | 6 | | 1994 | May | 20 | | 1994 | Jun. | 165 | | 1994 | Jul. | 193 | | 1994 | Aug. | 119 | | 1994 | Sep. | 96 | | 1994 | Oct. | 3 | | 1994 | Nov. | 0 | | 1994 | Dec. | 0 | | 1994 | Tot. | 602 | | | | 1995 | Jan. | 0 | | 1995 | Feb. | 0 | | 1995 | Mar. | 0 | | 1995 | Apr. | 0 | | 1995 | May | 5 | | 1995 | Jun. | 167 | | 1995 | Jul. | 290 | | 1995 | Aug. | 357 | | 1995 | |
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