YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | 30.00 | e | 36.00 | 50.00 | 42.00 | 33.00 | 15.00 | 4.00 | 10.00 | 4.00 | ||||||||
1981 | -4.00 | -23.00 | 17.00 | 17.00 | 26.00 | 35.00 | 49.00 | a | 47.00 | 36.00 | 11.00 | 9.00 | -7.00 | -23.00 | ||||||||||||
1982 | -14.00 | -25.00 | 9.00 | 8.00 | 22.00 | 35.00 | 41.00 | 49.00 | 37.00 | 19.00 | -5.00 | 0.00 | -25.00 | |||||||||||||
1983 | 5.00 | 2.00 | 10.00 | 4.00 | 26.00 | 37.00 | 47.00 | 51.00 | 21.00 | 19.00 | -7.00 | -21.00 | -21.00 | |||||||||||||
1984 | -28.00 | 8.00 | 9.00 | 11.00 | 29.00 | 35.00 | 47.00 | 47.00 | 26.00 | 19.00 | 12.00 | -1.00 | -28.00 | |||||||||||||
1985 | -20.00 | -20.00 | 5.00 | 15.00 | 30.00 | 34.00 | 50.00 | 41.00 | 16.00 | 16.00 | -12.00 | -23.00 | -23.00 | |||||||||||||
1986 | 2.00 | -10.00 | 18.00 | 18.00 | 29.00 | 41.00 | 49.00 | 45.00 | 30.00 | 21.00 | 2.00 | -15.00 | -15.00 | |||||||||||||
1987 | -11.00 | 9.00 | 4.00 | 15.00 | 35.00 | 40.00 | 46.00 | 43.00 | 32.00 | 17.00 | 7.00 | -12.00 | -12.00 | |||||||||||||
1988 | -15.00 | -14.00 | 7.00 | 7.00 | 26.00 | 39.00 | 43.00 | 44.00 | 32.00 | 17.00 | 9.00 | -10.00 | -15.00 | |||||||||||||
1989 | -1.00 | -35.00 | -3.00 | 8.00 | 26.00 | 39.00 | 50.00 | 47.00 | 31.00 | 11.00 | 4.00 | -25.00 | -35.00 | |||||||||||||
1990 | 3.00 | -16.00 | 9.00 | 24.00 | 23.00 | 39.00 | 45.00 | 46.00 | 33.00 | 17.00 | 6.00 | -33.00 | -33.00 | |||||||||||||
1991 | -12.00 | 4.00 | 6.00 | 13.00 | 25.00 | 45.00 | 49.00 | 50.00 | 29.00 | -1.00 | -5.00 | 4.00 | -12.00 | |||||||||||||
1992 | -11.00 | 12.00 | 4.00 | 13.00 | 32.00 | 37.00 | 42.00 | 39.00 | 28.00 | 17.00 | -2.00 | -7.00 | -11.00 | |||||||||||||
1993 | -16.00 | -14.00 | 6.00 | 20.00 | 24.00 | 39.00 | 43.00 | 42.00 | 25.00 | 4.00 | -17.00 | -3.00 | -17.00 | |||||||||||||
1994 | -7.00 | -14.00 | 2.00 | 16.00 | 31.00 | 38.00 | 41.00 | 49.00 | 31.00 | 21.00 | 9.00 | 2.00 | -14.00 | |||||||||||||
1995 | -18.00 | -6.00 | -1.00 | 17.00 | 30.00 | 35.00 | 48.00 | 41.00 | 24.00 | 19.00 | -6.00 | 0.00 | -18.00 | |||||||||||||
1996 | -17.00 | -28.00 | -6.00 | 14.00 | 32.00 | 38.00 | 50.00 | 43.00 | 24.00 | 20.00 | -4.00 | -8.00 | -28.00 | |||||||||||||
1997 | -23.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -23.00 | ||
1998 | ----- | z | ----- | z | ----- | z | 20.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -11.00 | -10.62 | 6.00 | 13.75 | 28.00 | 37.76 | 46.47 | 45.06 | 28.71 | 15.41 | 0.24 | -8.76 | -20.62 | |||||||||||||
S.D. | 9.47 | 14.25 | 6.37 | 5.21 | 3.59 | 2.77 | 3.34 | 3.54 | 5.47 | 6.04 | 8.27 | 11.56 | 7.61 | |||||||||||||
SKEW | 0.17 | 0.12 | 0.09 | -0.08 | 0.08 | 0.87 | -0.48 | 0.06 | -0.62 | -1.59 | -0.42 | -0.48 | -0.45 | |||||||||||||
MAX | 5.00 | 12.00 | 18.00 | 24.00 | 35.00 | 45.00 | 50.00 | 51.00 | 37.00 | 21.00 | 12.00 | 10.00 | -11.00 | |||||||||||||
MIN | -28.00 | -35.00 | -6.00 | 4.00 | 22.00 | 34.00 | 41.00 | 39.00 | 16.00 | -1.00 | -17.00 | -33.00 | -35.00 | |||||||||||||
NO YRS | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |