YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.06 | ----- | z | ----- | z | ----- | z | ----- | z | 45.06 | k | |
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 | 15.58 | 15.58 | k | |
1943 | 10.35 | 12.00 | 17.84 | 26.77 | 30.58 | 34.90 | 43.42 | 43.42 | 37.13 | 28.61 | 9.70 | 11.57 | a | 25.52 | ||||||||||||
1944 | 6.74 | 9.18 | a | 13.00 | 21.43 | 29.71 | 34.90 | 42.23 | 42.13 | 37.30 | 26.65 | 16.03 | 10.29 | 24.13 | ||||||||||||
1945 | 9.61 | 14.43 | 11.45 | 19.33 | 31.33 | a | 34.62 | a | 44.77 | 45.35 | 35.37 | 29.32 | 14.53 | 8.33 | a | 24.87 | ||||||||||
1946 | 6.35 | 9.71 | 19.13 | 27.27 | 30.29 | 38.47 | 45.97 | 45.55 | 34.90 | 25.00 | 15.10 | 12.26 | 25.83 | |||||||||||||
1947 | 4.00 | a | 15.05 | g | 18.68 | 23.33 | 32.61 | 36.41 | a | 43.26 | 43.35 | 38.77 | 29.13 | a | 12.80 | 7.52 | 26.35 | a | ||||||||
1948 | 8.61 | 7.62 | 7.93 | a | 22.77 | 30.74 | 39.40 | 50.42 | 49.52 | 36.47 | 26.16 | 12.77 | 9.19 | 25.13 | ||||||||||||
1949 | -0.35 | -1.57 | 12.52 | 24.70 | 30.97 | 38.17 | 44.39 | 42.90 | 39.33 | 25.42 | 21.10 | 7.32 | 23.74 | |||||||||||||
1950 | 2.52 | 10.61 | 17.94 | 24.20 | 27.06 | 35.17 | 46.06 | 41.16 | 34.40 | 28.65 | 19.93 | 17.06 | 25.40 | |||||||||||||
1951 | 7.84 | 12.11 | 15.65 | 25.03 | 30.65 | 35.37 | 45.16 | 43.19 | 33.93 | 24.71 | 13.93 | 5.87 | 24.45 | |||||||||||||
1952 | 1.65 | 4.07 | 10.77 | 23.10 | 30.06 | 34.90 | 43.06 | 43.52 | 36.63 | 26.06 | 9.17 | 4.61 | 22.30 | |||||||||||||
1953 | 12.29 | 9.29 | 15.03 | 20.50 | 25.26 | 36.07 | 47.94 | 42.71 | 35.63 | 26.81 | 21.03 | 10.42 | 25.25 | |||||||||||||
1954 | 9.23 | 13.50 | 15.06 | 25.87 | 32.45 | 37.60 | 46.06 | 40.77 | 36.17 | 27.07 | a | 18.80 | 5.00 | 25.63 | ||||||||||||
1955 | 1.29 | 0.11 | 11.19 | 18.53 | 27.26 | 32.67 | 41.77 | 44.67 | a | 34.13 | 25.55 | 15.80 | 12.61 | 22.13 | ||||||||||||
1956 | 15.06 | 3.66 | 15.58 | 22.60 | 29.87 | 37.50 | 43.90 | 39.84 | 35.62 | a | 24.87 | 10.59 | a | 10.23 | 24.11 | |||||||||||
1957 | 8.23 | a | 16.43 | 18.55 | 23.47 | 27.68 | 38.63 | 45.48 | 45.35 | 32.73 | 29.06 | 13.40 | 11.65 | 25.89 | ||||||||||||
1958 | 7.90 | a | 15.32 | 12.81 | 20.63 | 32.90 | 39.33 | 44.00 | 47.06 | 38.00 | 26.67 | a | 15.55 | a | 16.47 | a | 26.39 | |||||||||
1959 | 11.07 | a | 10.96 | a | 18.68 | 24.50 | 30.92 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 16.30 | h | ||
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 | 20.55 | b | 10.00 | 1.81 | d | 10.79 | i | |
1972 | 3.90 | b | 8.52 | b | 20.67 | a | 23.10 | a | 25.52 | 38.32 | b | 42.32 | 39.16 | 34.00 | a | 28.74 | 14.67 | f | 0.77 | a | 24.09 | a | ||||
1973 | -2.16 | 5.54 | 10.54 | e | 19.67 | 30.77 | a | 36.10 | 40.03 | 42.29 | c | 30.23 | 22.42 | 14.70 | 9.03 | 21.60 | ||||||||||
1974 | 1.16 | 1.29 | 19.87 | 20.30 | 30.74 | 37.28 | a | 42.13 | a | 37.27 | a | 32.87 | 26.16 | 15.03 | a | 4.17 | a | 22.36 | ||||||||
1975 | 4.80 | a | 3.93 | a | 11.90 | 16.23 | 26.00 | 34.25 | b | 43.00 | 37.16 | 32.57 | 20.77 | 12.90 | 9.55 | b | 21.09 | |||||||||
1976 | 4.97 | a | 10.93 | 8.26 | 21.10 | 30.00 | 33.50 | 42.72 | b | 36.84 | 34.67 | 20.10 | 14.47 | 5.06 | 21.88 | |||||||||||
1977 | 2.57 | a | 8.93 | 11.35 | 20.90 | 28.45 | b | 37.77 | 44.00 | 42.65 | 34.23 | 24.03 | 18.33 | 14.19 | 23.95 | |||||||||||
1978 | 7.84 | 8.19 | a | 17.84 | 24.73 | 27.55 | 35.10 | 40.39 | 37.67 | a | 32.10 | 27.45 | 16.20 | 1.35 | 23.03 | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 6.06 | 8.47 | 14.68 | 22.50 | 29.50 | 36.37 | 44.02 | 42.44 | 35.10 | 25.83 | 14.86 | 8.88 | 24.03 | |||||||||||||
S.D. | 4.27 | 4.82 | 3.81 | 2.71 | 2.23 | 1.91 | 2.34 | 3.26 | 2.23 | 2.71 | 3.38 | 4.57 | 1.62 | |||||||||||||
SKEW | 0.03 | -0.41 | -0.10 | -0.27 | -0.45 | -0.05 | 0.74 | -0.08 | -0.04 | -0.73 | 0.20 | -0.03 | -0.35 | |||||||||||||
MAX | 15.06 | 16.43 | 20.67 | 27.27 | 32.90 | 39.40 | 50.42 | 49.52 | 39.33 | 29.32 | 21.10 | 17.06 | 26.39 | |||||||||||||
MIN | -2.16 | -1.57 | 7.93 | 16.23 | 25.26 | 32.67 | 40.03 | 36.84 | 30.23 | 20.10 | 9.17 | 0.77 | 21.09 | |||||||||||||
YRS | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 24 | 23 | 24 | 23 | 25 | 21 |