YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 31.30 | a | 31.30 | k |
1949 | 19.39 | 32.68 | 38.48 | 39.83 | 46.10 | b | 46.80 | 51.06 | 51.94 | 48.67 | 38.19 | 40.33 | 34.55 | 40.67 | ||||||||||||
1950 | 23.55 | 33.18 | 37.52 | 38.13 | 40.10 | 49.30 | 50.97 | 51.58 | 46.54 | b | 45.52 | b | 39.67 | 42.74 | 41.57 | |||||||||||
1951 | 33.90 | a | 35.11 | 33.63 | a | 37.68 | b | 44.26 | 47.60 | 50.29 | 47.71 | 45.97 | 42.63 | d | 37.80 | 32.53 | a | 40.76 | ||||||||
1952 | 32.16 | 34.62 | 36.48 | 37.87 | 43.29 | 47.76 | a | 49.52 | 50.87 | 46.83 | 43.37 | d | 28.63 | 35.23 | 40.55 | |||||||||||
1953 | 42.52 | 35.89 | 36.67 | a | 40.24 | a | 44.29 | 48.50 | 49.13 | 52.06 | 47.87 | 43.23 | 41.57 | 37.00 | 43.25 | |||||||||||
1954 | 34.37 | a | 34.75 | 31.61 | 38.20 | 43.03 | 47.33 | 48.71 | 51.71 | 46.17 | a | 39.97 | a | 42.31 | a | 33.43 | a | 40.97 | ||||||||
1955 | 32.94 | 32.96 | 33.58 | 36.50 | 40.74 | 48.40 | 51.10 | 48.90 | 46.93 | 43.97 | 36.73 | 35.00 | a | 40.65 | ||||||||||||
1956 | 34.90 | 31.38 | 36.19 | 39.60 | 46.03 | 47.87 | 51.00 | a | 51.13 | 47.13 | 42.61 | 33.13 | 33.90 | 41.24 | ||||||||||||
1957 | 25.16 | 34.14 | 39.19 | 41.23 | 47.57 | a | 49.63 | 49.26 | 49.68 | 49.07 | 43.84 | 33.30 | 36.87 | 41.58 | ||||||||||||
1958 | 36.45 | 42.25 | 34.40 | a | 40.90 | 47.13 | 54.03 | 52.58 | 52.39 | 48.53 | 42.03 | 39.03 | 39.77 | 44.13 | ||||||||||||
1959 | 37.43 | a | 36.21 | 37.39 | 39.40 | 43.03 | 50.63 | 51.00 | 49.77 | 48.37 | 44.45 | 35.37 | 33.58 | 42.22 | ||||||||||||
1960 | 31.26 | 34.83 | 36.74 | 40.87 | 43.61 | 48.21 | a | 49.35 | 50.39 | 46.80 | 43.10 | 37.38 | a | 31.87 | 41.20 | |||||||||||
1961 | 36.03 | 40.71 | 39.29 | 40.07 | 45.45 | 50.40 | 51.58 | 52.97 | 45.97 | 41.32 | 33.80 | 36.06 | 42.80 | |||||||||||||
1962 | 30.94 | 33.75 | 36.19 | 41.40 | 44.45 | 46.30 | 49.42 | 51.84 | 48.48 | a | 43.90 | b | 40.10 | 35.48 | 41.85 | |||||||||||
1963 | 26.65 | 40.14 | 36.19 | 40.30 | 44.13 | 49.90 | 50.55 | 51.10 | 51.53 | 44.81 | 40.40 | 33.35 | 42.42 | |||||||||||||
1964 | 36.97 | 31.90 | 36.16 | 37.33 | 41.35 | 48.13 | 51.71 | 50.97 | 46.43 | 41.68 | 36.10 | 34.61 | 41.11 | |||||||||||||
1965 | 36.65 | 36.39 | 33.61 | 40.77 | 42.06 | 46.23 | 51.42 | 53.81 | 46.13 | 44.74 | 42.27 | 32.35 | 42.20 | |||||||||||||
1966 | 35.55 | 34.39 | 35.81 | 39.87 | 41.00 | 48.43 | 51.03 | 50.19 | 49.23 | 42.39 | 40.47 | 39.06 | 42.29 | |||||||||||||
1967 | 38.48 | 34.00 | 35.84 | 34.87 | 42.19 | 50.80 | 50.84 | 53.71 | 48.87 | 44.81 | 38.40 | 36.13 | 42.41 | |||||||||||||
1968 | 33.84 | 37.72 | 39.42 | 37.33 | 43.94 | 48.83 | 52.03 | 52.35 | 48.57 | 41.97 | 39.30 | 33.32 | 42.39 | |||||||||||||
1969 | 29.55 | 32.79 | 34.06 | 39.33 | 44.90 | 53.73 | 49.61 | 48.26 | 47.97 | 40.00 | 35.40 | 35.94 | 40.96 | |||||||||||||
1970 | 35.39 | 35.36 | 37.26 | 37.33 | 41.42 | 50.03 | 49.48 | 48.06 | 44.43 | 37.84 | 37.83 | 33.94 | 40.70 | |||||||||||||
1971 | 33.84 | 33.82 | 34.61 | 37.67 | 43.94 | 47.63 | 51.84 | 53.16 | 44.50 | 39.84 | 37.33 | 33.81 | 41.00 | |||||||||||||
1972 | 31.81 | 35.72 | 40.06 | 36.80 | 44.84 | 48.27 | 51.39 | 51.10 | 44.40 | 37.68 | 38.53 | 28.90 | 40.79 | |||||||||||||
1973 | 31.13 | 34.00 | 37.00 | 39.33 | 43.81 | 49.63 | 51.00 | 47.81 | 48.40 | 42.81 | 37.93 | 37.55 | 41.70 | |||||||||||||
1974 | 30.03 | 35.36 | 37.39 | 40.57 | 44.13 | 48.93 | 53.16 | 51.93 | a | 46.57 | 38.26 | 38.40 | 35.45 | 41.68 | ||||||||||||
1975 | 35.87 | 34.11 | 34.26 | 35.70 | 43.06 | 47.87 | 52.61 | 50.55 | 43.93 | 44.39 | 36.67 | 35.48 | 41.21 | |||||||||||||
1976 | 34.13 | 31.83 | 34.13 | 37.83 | a | 42.68 | 44.96 | b | 49.61 | 50.90 | 48.29 | b | 37.32 | 34.23 | 29.83 | b | 39.65 | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.89 | 35.00 | 36.19 | 38.82 | 43.66 | 48.79 | 50.76 | 50.96 | 47.23 | 42.02 | 37.59 | 34.80 | 41.57 | |||||||||||||
S.D. | 4.83 | 2.59 | 2.07 | 1.76 | 1.85 | 1.99 | 1.17 | 1.70 | 1.74 | 2.47 | 3.10 | 2.87 | 0.95 | |||||||||||||
SKEW | -0.88 | 1.24 | -0.05 | -0.38 | 0.11 | 0.87 | 0.07 | -0.38 | 0.02 | -0.60 | -0.80 | 0.49 | 0.60 | |||||||||||||
MAX | 42.52 | 42.25 | 40.06 | 41.40 | 47.57 | 54.03 | 53.16 | 53.81 | 51.53 | 45.52 | 42.31 | 42.74 | 44.13 | |||||||||||||
MIN | 19.39 | 31.38 | 31.61 | 34.87 | 40.10 | 44.96 | 48.71 | 47.71 | 43.93 | 37.32 | 28.63 | 28.90 | 39.65 | |||||||||||||
YRS | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 |