YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | 31.57 | a | 39.70 | 44.29 | 49.60 | 59.74 | 56.94 | 51.73 | 38.92 | e | 35.90 | 29.87 | 43.83 | b | ||||||||
1966 | 24.57 | a | 24.54 | 32.43 | a | 39.46 | d | 46.48 | 54.40 | 60.55 | 58.52 | 52.70 | 40.35 | 36.20 | 27.84 | 41.50 | ||||||||||
1967 | 23.10 | 29.29 | 35.84 | 39.38 | a | 43.40 | a | 54.52 | a | 58.97 | 57.55 | 53.63 | 40.23 | 33.23 | 25.13 | 41.19 | ||||||||||
1968 | 30.10 | b | 34.14 | 39.68 | 34.77 | 44.87 | ----- | z | 58.48 | 56.42 | 59.40 | 40.32 | 30.23 | 20.65 | 40.82 | a | ||||||||||
1969 | 33.53 | a | 33.25 | 31.42 | 45.10 | 50.52 | 69.03 | a | 58.10 | 66.97 | b | 61.31 | a | 44.23 | 34.33 | l | ----- | z | 49.35 | b | ||||||
1970 | 26.25 | o | 27.68 | 27.65 | 29.43 | 56.11 | c | 56.23 | 66.94 | 63.06 | 53.03 | 35.52 | 28.47 | 24.39 | 42.59 | a | ||||||||||
1971 | 23.71 | 28.39 | 32.06 | 43.73 | 50.77 | 62.13 | 69.34 | b | 59.00 | 51.23 | 39.90 | 34.77 | 25.00 | 43.34 | ||||||||||||
1972 | 28.74 | 26.31 | 36.81 | 39.34 | a | 46.10 | 59.97 | 60.32 | 57.81 | 51.90 | 44.06 | 29.87 | 26.42 | 42.30 | ||||||||||||
1973 | 27.52 | 30.96 | 33.58 | 34.27 | 48.32 | 54.37 | 62.07 | a | 58.03 | 48.10 | 42.68 | 27.47 | 25.65 | 41.08 | ||||||||||||
1974 | 24.26 | 20.57 | 40.61 | 35.80 | 40.74 | 60.03 | 58.35 | 62.68 | 52.90 | 42.52 | 29.80 | 23.30 | a | 40.96 | ||||||||||||
1975 | 17.39 | 30.96 | ----- | z | 28.90 | 40.94 | 56.50 | 62.87 | 68.43 | a | 53.07 | 36.32 | 29.27 | 22.87 | 40.68 | a | ||||||||||
1976 | 27.68 | 42.07 | 31.42 | 33.47 | 46.03 | 60.77 | 59.30 | a | 64.74 | 57.60 | 49.03 | 27.33 | 22.55 | 43.50 | ||||||||||||
1977 | 19.45 | 33.39 | 44.32 | ----- | z | 47.42 | 61.33 | 60.90 | 60.39 | 54.63 | ----- | z | ----- | z | 29.32 | 45.69 | c | |||||||||
1978 | 26.45 | 28.29 | 33.52 | 50.20 | 46.74 | 55.33 | ----- | z | 50.19 | 48.60 | 42.42 | 37.80 | 24.45 | 40.36 | a | |||||||||||
1979 | 27.42 | 27.25 | 31.39 | 38.07 | 47.97 | 54.70 | 60.16 | 52.61 | 51.97 | ----- | z | ----- | z | 31.74 | 42.33 | b | ||||||||||
1980 | 30.26 | 27.54 | a | 37.29 | 37.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.15 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.01 | 29.64 | 34.64 | 37.94 | 46.71 | 57.78 | 61.15 | 59.56 | 53.45 | 41.27 | 31.69 | 25.66 | 41.98 | |||||||||||||
S.D. | 4.32 | 4.94 | 4.40 | 5.65 | 3.91 | 4.78 | 3.29 | 4.98 | 3.60 | 3.53 | 3.68 | 3.11 | 1.08 | |||||||||||||
SKEW | -0.36 | 0.71 | 0.67 | 0.36 | 0.61 | 0.65 | 1.47 | 0.06 | 0.75 | 0.38 | 0.39 | 0.44 | 0.52 | |||||||||||||
MAX | 33.53 | 42.07 | 44.32 | 50.20 | 56.11 | 69.03 | 69.34 | 68.43 | 61.31 | 49.03 | 37.80 | 31.74 | 43.50 | |||||||||||||
MIN | 17.39 | 20.57 | 27.65 | 28.90 | 40.74 | 49.60 | 58.10 | 50.19 | 48.10 | 35.52 | 27.33 | 20.65 | 40.96 | |||||||||||||
YRS | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 13 | 12 | 14 | 7 |