YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 39.00 | b | 39.02 | 42.35 | 48.95 | 56.08 | 61.62 | 69.24 | 63.42 | 65.25 | 54.17 | a | 40.98 | 40.29 | 51.70 | |||||||||||
1939 | 39.15 | a | 37.44 | a | 45.47 | 51.63 | 55.94 | 57.08 | 66.26 | 67.05 | 63.52 | 53.52 | 45.34 | b | 43.16 | 52.13 | ||||||||||
1940 | 39.37 | d | 42.80 | a | 46.97 | 50.13 | 57.48 | 62.90 | 64.11 | 66.39 | 61.73 | 53.98 | 41.50 | b | 41.17 | a | 52.38 | |||||||||
1941 | 41.11 | 44.95 | 50.53 | 50.93 | ----- | z | ----- | z | 68.53 | 64.35 | 57.37 | 51.95 | 45.96 | b | 39.83 | b | 51.55 | b | ||||||||
1942 | 34.88 | a | 40.05 | 42.98 | 48.95 | 51.79 | 55.63 | 65.84 | 66.60 | 63.28 | 54.84 | 42.73 | 40.24 | 50.65 | ||||||||||||
1943 | 33.23 | 43.21 | 42.60 | 49.93 | 51.82 | a | 56.85 | 64.03 | 62.60 | 64.93 | 53.05 | 45.82 | 39.63 | 50.64 | ||||||||||||
1944 | 37.82 | 40.33 | 42.65 | a | 46.65 | 53.76 | 57.95 | 63.97 | 63.85 | a | 63.90 | 56.77 | 42.90 | a | 37.37 | a | 50.66 | |||||||||
1945 | 40.33 | a | 41.41 | 40.06 | 45.67 | 54.95 | 58.30 | 65.53 | 65.15 | 58.42 | 53.19 | 42.24 | a | 38.75 | a | 50.33 | ||||||||||
1946 | 36.94 | 39.16 | 42.02 | 47.12 | 56.11 | 56.58 | 64.34 | 64.65 | 58.55 | a | 47.88 | a | 41.55 | b | 39.60 | a | 49.54 | |||||||||
1947 | 34.00 | 44.05 | 47.81 | 51.78 | 58.26 | 56.88 | 61.52 | 61.76 | 61.47 | 50.47 | b | 43.38 | 39.90 | a | 50.94 | |||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.75 | a | 59.52 | 51.73 | 40.92 | 33.97 | 49.58 | g | ||||
1949 | 27.95 | 36.55 | 43.40 | 51.73 | 57.32 | 60.13 | 63.23 | 64.50 | 62.98 | 48.03 | a | 51.43 | 37.68 | 50.41 | ||||||||||||
1950 | 27.00 | 36.43 | 40.84 | 45.98 | 52.10 | 59.12 | 64.16 | 66.60 | 61.32 | 48.67 | a | 43.43 | 43.77 | 49.12 | ||||||||||||
1951 | 35.90 | 40.25 | 38.31 | 52.13 | 52.87 | 61.78 | 64.39 | 63.97 | 62.69 | a | 51.19 | 42.86 | a | 35.06 | 50.12 | |||||||||||
1952 | 33.06 | 37.79 | 40.37 | 49.40 | 53.89 | 56.78 | 67.00 | 65.52 | 65.53 | 61.08 | 41.77 | 38.84 | 50.92 | |||||||||||||
1953 | 43.26 | 41.59 | 42.34 | 46.57 | 51.21 | 54.37 | 63.00 | 64.02 | 62.05 | 54.05 | 46.80 | 41.48 | 50.89 | |||||||||||||
1954 | 35.56 | 41.82 | 42.34 | 47.07 | 55.26 | 54.95 | 60.55 | 61.27 | 59.17 | 52.47 | 48.34 | a | 38.98 | 49.82 | ||||||||||||
1955 | 36.98 | 38.82 | 38.85 | a | 42.98 | 51.18 | 59.08 | 60.02 | 64.45 | a | 60.55 | 52.15 | 39.45 | a | 38.18 | a | 48.56 | |||||||||
1956 | 38.24 | 33.67 | 41.23 | 50.48 | 57.84 | 56.35 | 67.10 | 64.55 | 60.90 | 49.48 | 42.50 | 38.50 | 50.07 | |||||||||||||
1957 | 30.93 | a | 40.30 | 44.34 | 49.68 | 56.29 | 59.58 | 62.55 | 62.08 | 65.92 | 52.56 | 43.88 | 41.35 | 50.79 | ||||||||||||
1958 | 41.71 | 46.41 | 43.58 | 47.92 | 60.34 | 62.30 | 69.87 | 68.87 | 61.48 | 57.27 | 43.50 | 43.89 | 53.93 | |||||||||||||
1959 | 39.53 | 39.27 | 43.58 | 49.32 | 52.18 | 58.17 | 66.02 | 63.68 | 57.28 | 53.23 | 44.28 | 38.73 | 50.44 | |||||||||||||
1960 | 33.65 | 40.36 | a | 43.32 | 48.62 | 51.06 | 60.25 | 67.19 | 62.97 | 61.70 | 53.68 | 44.35 | 39.11 | 50.52 | ||||||||||||
1961 | 41.94 | 43.33 | a | 43.55 | 47.93 | 53.16 | 62.87 | 66.47 | 68.74 | 58.36 | a | 51.82 | 41.12 | 38.42 | 51.48 | |||||||||||
1962 | 36.05 | 41.25 | 41.34 | 49.75 | 48.98 | 57.88 | 63.56 | 62.53 | 61.75 | 52.31 | 44.62 | a | 41.32 | 50.11 | ||||||||||||
1963 | 33.31 | 46.89 | 43.03 | 45.02 | 53.92 | 56.75 | 59.74 | 63.98 | 64.03 | 53.13 | 44.72 | 40.08 | 50.38 | |||||||||||||
1964 | 39.15 | 41.38 | 42.05 | 46.17 | 51.19 | 56.95 | 63.16 | 62.60 | 59.53 | 55.15 | 41.55 | 36.61 | 49.62 | |||||||||||||
1965 | 38.24 | 41.11 | a | 47.44 | 50.45 | 50.98 | 57.85 | 65.85 | 66.53 | 60.48 | 55.56 | 46.37 | 36.40 | 51.44 | ||||||||||||
1966 | 38.08 | 40.39 | 42.47 | 50.52 | 54.81 | 58.03 | 62.76 | 65.11 | 62.27 | 52.05 | 46.33 | 41.71 | 51.21 | |||||||||||||
1967 | 40.89 | 42.29 | 41.05 | 44.53 | 53.98 | 62.80 | 66.47 | 71.94 | 65.75 | 52.19 | 46.97 | 38.16 | 52.25 | |||||||||||||
1968 | 37.85 | 46.84 | 46.60 | 46.40 | 53.21 | 58.30 | 64.85 | 62.02 | 59.63 | 49.94 | 43.83 | 34.95 | 50.37 | |||||||||||||
1969 | 30.44 | 37.41 | 45.55 | 46.58 | 56.58 | 63.05 | 62.73 | 62.56 | 60.48 | 49.76 | 44.82 | 39.55 | 49.96 | |||||||||||||
1970 | 38.24 | 44.54 | 44.84 | 44.52 | 52.74 | 62.05 | 64.85 | 64.84 | 58.15 | 51.19 | 44.87 | 36.76 | 50.63 | |||||||||||||
1971 | 36.45 | 40.48 | 40.77 | 46.35 | 53.66 | 54.55 | 65.37 | 67.47 | a | 58.40 | 49.31 | 42.20 | 36.11 | 49.26 | ||||||||||||
1972 | 36.63 | e | 41.84 | d | 45.18 | a | 43.42 | 56.45 | 59.05 | 66.85 | 68.31 | 58.47 | 52.89 | 44.22 | 33.56 | 50.57 | ||||||||||
1973 | 35.84 | 42.88 | 43.11 | 48.65 | 55.10 | 57.78 | 65.81 | 62.15 | 61.52 | 50.45 | 40.53 | 41.74 | 50.46 | |||||||||||||
1974 | 34.73 | 38.70 | 42.98 | 46.38 | a | 50.11 | 59.70 | 63.08 | 65.90 | 67.63 | 55.29 | 45.02 | 40.76 | 50.86 | ||||||||||||
1975 | 38.65 | 37.79 | 41.55 | 43.37 | 52.44 | 56.90 | 64.10 | 60.81 | 65.27 | 49.69 | 41.50 | 40.47 | 49.38 | |||||||||||||
1976 | 39.05 | 39.43 | 40.58 | 45.75 | 53.13 | 54.90 | 61.40 | 61.73 | 61.68 | 53.77 | 47.30 | 37.87 | 49.72 | |||||||||||||
1977 | 37.31 | 43.70 | 41.08 | 49.92 | 49.60 | 58.43 | 61.58 | a | 69.00 | 57.72 | 51.53 | 41.25 | 40.40 | 50.13 | ||||||||||||
1978 | 39.23 | 42.23 | 46.94 | 47.13 | 51.02 | 61.12 | 64.35 | 64.32 | 57.40 | 54.58 | 38.43 | 33.71 | 50.04 | |||||||||||||
1979 | 29.71 | 38.23 | 47.10 | 48.32 | 54.35 | 59.42 | 64.90 | 63.92 | 62.97 | a | 54.77 | 42.38 | 41.17 | a | 50.60 | |||||||||||
1980 | 34.89 | 40.83 | 42.26 | 49.15 | 51.89 | 54.28 | 62.97 | 61.50 | 61.10 | 53.92 | 44.33 | a | 41.24 | b | 49.86 | |||||||||||
1981 | 43.00 | a | 41.07 | 46.06 | 47.42 | 51.69 | 56.23 | 62.47 | 68.61 | 60.55 | 51.50 | a | 45.50 | 39.81 | 51.16 | |||||||||||
1982 | 34.05 | 38.79 | 42.37 | 44.10 | 52.87 | 60.65 | 62.23 | 63.85 | 59.81 | a | 52.39 | 41.18 | 38.02 | 49.19 | ||||||||||||
1983 | 41.39 | 43.71 | 46.28 | a | 49.13 | 55.85 | 57.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.91 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.77 | 40.91 | 43.34 | 47.88 | 53.76 | 58.48 | 64.41 | 64.63 | 61.39 | 52.64 | 43.67 | 39.07 | 50.54 | |||||||||||||
S.D. | 3.79 | 2.83 | 2.57 | 2.44 | 2.54 | 2.49 | 2.31 | 2.49 | 2.63 | 2.53 | 2.50 | 2.50 | 0.98 | |||||||||||||
SKEW | -0.62 | 0.06 | 0.55 | -0.19 | 0.38 | 0.27 | 0.18 | 0.75 | 0.34 | 0.63 | 0.55 | -0.40 | 0.95 | |||||||||||||
MAX | 43.26 | 46.89 | 50.53 | 52.13 | 60.34 | 63.05 | 69.87 | 71.94 | 67.63 | 61.08 | 51.43 | 43.89 | 53.93 | |||||||||||||
MIN | 27.00 | 33.67 | 38.31 | 42.98 | 48.98 | 54.28 | 59.74 | 60.81 | 57.28 | 47.88 | 38.43 | 33.56 | 48.56 | |||||||||||||
YRS | 45 | 45 | 45 | 45 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 43 |