YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 45.00 | d | 34.00 | 18.00 | 4.00 | ----- | z | |||
1964 | -3.00 | -3.00 | 9.00 | 18.00 | 28.00 | 41.00 | 50.00 | 45.00 | 39.00 | 29.00 | 13.00 | 5.00 | -3.00 | |||||||||||||
1965 | 5.00 | -6.00 | 2.00 | 21.00 | a | 25.00 | 39.00 | 51.00 | 45.00 | 33.00 | 29.00 | 15.00 | 2.00 | -6.00 | a | |||||||||||
1966 | -2.00 | 2.00 | -5.00 | 19.00 | 34.00 | 43.00 | 54.00 | 48.00 | 41.00 | 22.00 | 18.00 | -3.00 | -5.00 | |||||||||||||
1967 | -4.00 | 4.00 | 8.00 | 20.00 | 19.00 | 41.00 | 52.00 | 46.00 | a | 37.00 | 19.00 | 16.00 | 2.00 | -4.00 | a | |||||||||||
1968 | 2.00 | 18.00 | 8.00 | 20.00 | a | 29.00 | 31.00 | 46.00 | 40.00 | 35.00 | 20.00 | 5.00 | -5.00 | -5.00 | a | |||||||||||
1969 | 7.00 | 9.00 | 4.00 | a | 25.00 | 32.00 | 39.00 | 49.00 | 50.00 | 42.00 | 25.00 | 9.00 | 3.00 | 3.00 | a | |||||||||||
1970 | -1.00 | 18.00 | 11.00 | 16.00 | 19.00 | 36.00 | 51.00 | 52.00 | 30.00 | 16.00 | 16.00 | 6.00 | -1.00 | |||||||||||||
1971 | -20.00 | 4.00 | -2.00 | 22.00 | 26.00 | 35.00 | 47.00 | a | 48.00 | 30.00 | 15.00 | 9.00 | 1.00 | -20.00 | a | |||||||||||
1972 | -4.00 | 4.00 | 14.00 | 20.00 | 31.00 | 42.00 | 49.00 | 47.00 | 36.00 | 22.00 | 14.00 | 4.00 | -4.00 | |||||||||||||
1973 | 5.00 | a | 10.00 | 19.00 | 14.00 | 29.00 | 40.00 | 49.00 | 44.00 | 33.00 | 24.00 | 8.00 | 5.00 | 5.00 | a | |||||||||||
1974 | -3.00 | 6.00 | 18.00 | 19.00 | 25.00 | 37.00 | 48.00 | 45.00 | 35.00 | 26.00 | 13.00 | -5.00 | -5.00 | |||||||||||||
1975 | 3.00 | 10.00 | 11.00 | 8.00 | 23.00 | 34.00 | 50.00 | a | 47.00 | 37.00 | 19.00 | 4.00 | 5.00 | 3.00 | a | |||||||||||
1976 | -5.00 | 11.00 | 11.00 | 12.00 | 28.00 | 40.00 | 52.00 | 48.00 | 37.00 | 21.00 | -12.00 | 10.00 | -12.00 | |||||||||||||
1977 | -1.00 | 9.00 | 12.00 | 22.00 | 28.00 | 47.00 | 51.00 | 49.00 | 42.00 | 30.00 | 17.00 | 5.00 | -1.00 | |||||||||||||
1978 | 4.00 | 8.00 | 24.00 | 24.00 | 26.00 | 42.00 | 49.00 | 47.00 | 30.00 | 28.00 | 12.00 | -10.00 | -10.00 | |||||||||||||
1979 | -8.00 | 2.00 | 16.00 | 15.00 | 29.00 | 34.00 | 49.00 | 42.00 | a | 39.00 | 25.00 | 7.00 | 4.00 | -8.00 | a | |||||||||||
1980 | 13.00 | 8.00 | 18.00 | 15.00 | 26.00 | 35.00 | 52.00 | 46.00 | 39.00 | 18.00 | 15.00 | 14.00 | 8.00 | |||||||||||||
1981 | 15.00 | 10.00 | 20.00 | 20.00 | 33.00 | 38.00 | 50.00 | 48.00 | 43.00 | 24.00 | 12.00 | 2.00 | 2.00 | |||||||||||||
1982 | -1.00 | -5.00 | 19.00 | 24.00 | 30.00 | 39.00 | 50.00 | 47.00 | 36.00 | 20.00 | 17.00 | -3.00 | a | -5.00 | a | |||||||||||
1983 | 3.00 | 15.00 | 20.00 | 13.00 | a | 27.00 | 36.00 | 50.00 | 49.00 | 33.00 | 32.00 | 9.00 | 5.00 | 3.00 | a | |||||||||||
1984 | -5.00 | 14.00 | 14.00 | 17.00 | 28.00 | 36.00 | 51.00 | 51.00 | 35.00 | a | 23.00 | 5.00 | 12.00 | -5.00 | a | |||||||||||
1985 | 3.00 | -6.00 | 18.00 | 29.00 | 33.00 | 38.00 | 48.00 | b | 47.00 | 31.00 | a | 28.00 | a | 4.00 | 7.00 | -6.00 | d | |||||||||
1986 | 12.00 | 2.00 | a | 23.00 | 21.00 | 28.00 | 42.00 | 47.00 | 47.00 | a | 33.00 | 23.00 | 15.00 | 8.00 | 2.00 | b | ||||||||||
1987 | 1.00 | 2.00 | 11.00 | 23.00 | 31.00 | 43.00 | 47.00 | 45.00 | 38.00 | 30.00 | a | 13.00 | -3.00 | -3.00 | a | |||||||||||
1988 | -0.00 | 13.00 | 11.00 | 21.00 | 27.00 | 36.00 | 49.00 | 50.00 | 34.00 | 34.00 | 11.00 | -3.00 | -3.00 | |||||||||||||
1989 | -1.00 | -0.00 | 11.00 | 26.00 | 32.00 | 40.00 | 51.00 | 45.00 | 35.00 | 15.00 | 9.00 | 5.00 | -1.00 | |||||||||||||
1990 | -0.00 | 1.00 | 14.00 | 26.00 | 32.00 | 35.00 | 49.00 | 46.00 | 44.00 | 24.00 | 10.00 | -15.00 | -15.00 | |||||||||||||
1991 | 4.00 | 15.00 | 13.00 | 21.00 | 26.00 | 31.00 | 49.00 | 50.00 | 38.00 | 15.00 | 10.00 | -3.00 | -3.00 | |||||||||||||
1992 | ----- | z | 11.00 | 12.00 | a | 19.00 | 35.00 | 31.00 | 36.00 | 38.00 | 29.00 | ----- | z | -1.00 | a | ----- | z | ----- | z | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.68 | 6.41 | 12.55 | 19.66 | 28.24 | 37.97 | 49.17 | 46.62 | 36.30 | 23.79 | 10.37 | 2.03 | -3.54 | |||||||||||||
S.D. | 6.83 | 6.84 | 6.85 | 4.64 | 3.92 | 3.94 | 3.09 | 3.06 | 4.36 | 5.56 | 6.34 | 6.29 | 6.01 | |||||||||||||
SKEW | -0.40 | -0.17 | -0.68 | -0.39 | -0.55 | 0.02 | -2.62 | -0.85 | 0.21 | 0.11 | -1.56 | -0.62 | -0.63 | |||||||||||||
MAX | 15.00 | 18.00 | 24.00 | 29.00 | 35.00 | 47.00 | 54.00 | 52.00 | 45.00 | 34.00 | 18.00 | 14.00 | 8.00 | |||||||||||||
MIN | -20.00 | -6.00 | -5.00 | 8.00 | 19.00 | 31.00 | 36.00 | 38.00 | 29.00 | 15.00 | -12.00 | -15.00 | -20.00 | |||||||||||||
YRS | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 30 | 29 | 28 |