YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -7.00 | b | -30.00 | ----- | z | |
1950 | -33.00 | -22.00 | -17.00 | -0.00 | 13.00 | 18.00 | 31.00 | 25.00 | 18.00 | 17.00 | -18.00 | -14.00 | -33.00 | |||||||||||||
1951 | -23.00 | -48.00 | -24.00 | a | -14.00 | 4.00 | 19.00 | 26.00 | 26.00 | 14.00 | 3.00 | e | ----- | z | ----- | z | ----- | z | ||||||||
1952 | ----- | z | ----- | z | ----- | z | 3.00 | y | 18.00 | 24.00 | 25.00 | 29.00 | 19.00 | 5.00 | -9.00 | p | ----- | z | ----- | z | ||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | 2.00 | 20.00 | 32.00 | 25.00 | 17.00 | -0.00 | -15.00 | u | ----- | z | ----- | z | ||||||
1954 | ----- | z | ----- | z | ----- | z | 10.00 | r | 7.00 | 14.00 | 34.00 | 25.00 | 20.00 | 10.00 | ----- | z | ----- | z | ----- | z | ||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | 8.00 | 21.00 | 24.00 | 25.00 | 18.00 | 3.00 | ----- | z | ----- | z | ----- | z | ||||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | 11.00 | 25.00 | 25.00 | 24.00 | 19.00 | -4.00 | ----- | z | ----- | z | ----- | z | ||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 8.00 | g | 22.00 | 30.00 | 32.00 | 15.00 | 3.00 | -10.00 | u | ----- | z | ----- | z | |||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 18.00 | g | 23.00 | 25.00 | 28.00 | 20.00 | 2.00 | ----- | z | ----- | z | ----- | z | |||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | 16.00 | 22.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 14.00 | i | -13.00 | f | -31.00 | h | ----- | z |
1986 | -17.00 | i | -19.00 | g | -18.00 | f | -2.00 | c | 8.00 | g | ----- | z | 27.00 | a | 31.00 | u | 16.00 | c | 5.00 | e | -17.00 | i | -22.00 | h | ----- | z |
1987 | -22.00 | g | -25.00 | g | -19.00 | l | -2.00 | r | 23.00 | b | 27.00 | b | 33.00 | e | 41.00 | d | 18.00 | d | 11.00 | b | -14.00 | j | -23.00 | h | ----- | z |
1988 | -32.00 | k | -21.00 | g | -23.00 | g | 5.00 | b | 16.00 | 22.00 | 30.00 | 30.00 | b | 15.00 | 16.00 | a | ----- | z | -28.00 | f | ----- | z | ||||
1989 | -38.00 | i | -37.00 | f | -20.00 | f | 12.00 | h | 14.00 | i | 22.00 | a | 27.00 | 25.00 | b | 21.00 | a | 3.00 | b | -15.00 | ----- | z | ----- | z | ||
1990 | -24.00 | b | -21.00 | -13.00 | 3.00 | 17.00 | 17.00 | 32.00 | 27.00 | 27.00 | c | -3.00 | a | -21.00 | b | -36.00 | b | -36.00 | j | |||||||
1991 | -23.00 | -20.00 | a | -23.00 | c | -8.00 | a | 5.00 | b | 23.00 | a | 30.00 | a | 30.00 | b | 19.00 | 12.00 | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -25.75 | -27.75 | -19.25 | -2.67 | 11.67 | 21.27 | 28.73 | 28.00 | 18.40 | 5.53 | -15.25 | -26.67 | -33.00 | |||||||||||||
S.D. | 4.86 | 13.52 | 5.19 | 7.15 | 6.53 | 3.28 | 3.33 | 4.47 | 3.14 | 6.36 | 6.02 | 11.37 | 0.0 | |||||||||||||
SKEW | -1.12 | -1.14 | 0.26 | -0.57 | 0.08 | -0.50 | 0.04 | 1.85 | 1.16 | 0.41 | 0.62 | 0.49 | 0.00 | |||||||||||||
MAX | -23.00 | -20.00 | -13.00 | 5.00 | 23.00 | 27.00 | 34.00 | 41.00 | 27.00 | 17.00 | -7.00 | -14.00 | -33.00 | |||||||||||||
MIN | -33.00 | -48.00 | -24.00 | -14.00 | 2.00 | 14.00 | 24.00 | 24.00 | 14.00 | -4.00 | -21.00 | -36.00 | -33.00 | |||||||||||||
YRS | 4 | 4 | 4 | 6 | 12 | 15 | 15 | 14 | 15 | 15 | 4 | 3 | 1 |