YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.29 | 64.41 | a | 60.48 | b | 49.76 | e | 49.81 | d | 59.95 | g | |
1934 | 50.36 | f | 54.58 | b | 59.87 | a | 65.72 | a | 66.43 | a | 70.90 | a | 72.19 | 74.65 | 66.34 | a | 61.84 | 54.68 | b | 47.83 | a | 63.18 | a | |||
1935 | 48.08 | e | 50.82 | 49.55 | 59.36 | b | 65.94 | 70.13 | 73.06 | 72.71 | 71.03 | 58.19 | 48.64 | b | 48.55 | 59.67 | ||||||||||
1936 | 48.42 | 41.78 | b | 51.10 | a | 62.40 | 66.62 | b | 70.86 | a | 74.71 | 77.03 | 67.27 | 61.39 | 52.04 | b | 48.97 | b | 60.21 | |||||||
1937 | 36.19 | e | 47.41 | a | 56.03 | a | 56.29 | b | 64.45 | 70.34 | a | 74.71 | 72.71 | 68.50 | 63.67 | a | 54.15 | d | 48.93 | b | 59.45 | |||||
1938 | 46.19 | d | 50.93 | 53.10 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.07 | i | |
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 | 70.70 | 72.13 | 69.35 | 65.57 | 58.32 | 48.83 | 42.32 | 61.03 | e | |||||||
1949 | 38.00 | 44.89 | 52.52 | 58.97 | 66.97 | 68.97 | 72.17 | a | 72.00 | 68.70 | 56.35 | 56.30 | 44.90 | 58.39 | ||||||||||||
1950 | 33.10 | 47.68 | 49.03 | 55.40 | 61.03 | 69.00 | 73.32 | 74.13 | 67.83 | 56.74 | 50.17 | 51.00 | 57.37 | |||||||||||||
1951 | 43.45 | 48.18 | 47.03 | 60.57 | 63.71 | 71.97 | 75.26 | 72.55 | 68.73 | 57.94 | 51.33 | 42.65 | 58.61 | |||||||||||||
1952 | 43.68 | 47.48 | 49.71 | 59.50 | 63.55 | 65.43 | 74.26 | 73.29 | 69.27 | 62.77 | 48.97 | 48.55 | 58.87 | |||||||||||||
1953 | 51.00 | 48.21 | 51.26 | 55.68 | e | 64.90 | 66.27 | 75.45 | 74.77 | 71.07 | 62.29 | 54.13 | 50.19 | 60.44 | ||||||||||||
1954 | 43.23 | a | 52.18 | 52.48 | 57.20 | 65.32 | 65.60 | 71.45 | 70.19 | 67.53 | 59.65 | 56.20 | 49.19 | 59.19 | ||||||||||||
1955 | 46.32 | 46.54 | 47.52 | 54.93 | 62.23 | 68.73 | 70.90 | a | 73.52 | 67.20 | 59.23 | 46.57 | 46.29 | 57.50 | ||||||||||||
1956 | 46.35 | 43.62 | 49.68 | 60.60 | 69.06 | 66.47 | 77.13 | 75.58 | 69.17 | 59.97 | 50.83 | a | 48.32 | 59.73 | ||||||||||||
1957 | 41.16 | 47.75 | 53.52 | 60.57 | 68.97 | 71.53 | 72.87 | 73.45 | 75.17 | 61.00 | 51.97 | 51.39 | 60.78 | |||||||||||||
1958 | 50.39 | 55.32 | 53.65 | 60.27 | 72.55 | 75.53 | 83.58 | 79.61 | 69.67 | 63.23 | 51.30 | 51.93 | a | 63.92 | ||||||||||||
1959 | 47.84 | 48.25 | ----- | z | ----- | z | ----- | z | 69.96 | b | 74.74 | 72.68 | 65.40 | 57.68 | 50.60 | 46.06 | 59.25 | c | ||||||||
1960 | 42.94 | 47.66 | 51.04 | e | 56.13 | 62.81 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.11 | g | ||||
1961 | ----- | z | ----- | z | 53.19 | 56.33 | 64.65 | 74.70 | 78.35 | 79.97 | 69.17 | 60.10 | 50.50 | 46.39 | 63.33 | b | ||||||||||
1962 | 45.77 | 52.68 | 51.97 | 60.70 | 60.06 | 70.53 | 75.52 | 72.16 | 70.50 | 60.48 | 52.83 | 48.81 | 60.17 | |||||||||||||
1963 | 42.52 | 56.39 | 53.16 | 58.23 | 68.00 | 68.60 | 72.58 | 75.06 | 74.73 | 62.68 | 51.67 | 47.81 | 60.95 | |||||||||||||
1964 | 46.94 | 50.24 | 51.71 | 56.87 | 63.77 | 68.69 | a | 73.87 | 72.00 | 67.77 | 62.58 | 48.77 | 42.16 | 58.78 | ||||||||||||
1965 | 44.90 | 49.29 | 57.19 | 61.33 | 63.77 | 72.37 | 78.55 | 76.19 | 68.53 | 65.65 | 54.60 | 46.06 | 61.54 | |||||||||||||
1966 | 46.32 | 50.29 | 53.94 | 60.47 | 67.97 | 69.37 | 74.10 | 76.68 | 71.63 | 60.81 | 52.77 | 49.17 | a | 61.12 | ||||||||||||
1967 | 48.35 | 49.93 | 49.71 | 56.97 | 66.61 | 75.07 | 77.57 | a | 82.97 | 76.37 | 61.84 | 53.43 | 46.23 | 62.09 | ||||||||||||
1968 | 46.35 | 56.32 | a | 55.65 | 58.03 | 66.26 | 70.47 | 78.74 | 73.16 | 68.67 | 59.55 | 53.03 | 43.32 | 60.80 | ||||||||||||
1969 | 37.63 | a | 48.25 | 56.42 | 58.47 | 70.19 | 74.55 | a | 75.68 | 72.32 | 69.00 | 61.13 | 52.90 | 49.26 | 60.48 | |||||||||||
1970 | 46.26 | 54.75 | 55.29 | 56.13 | 66.00 | 74.47 | 76.97 | 76.03 | 66.63 | 59.58 | 52.97 | 44.42 | 60.79 | |||||||||||||
1971 | 45.55 | 48.48 | a | 49.61 | 59.40 | 66.71 | 65.60 | 78.32 | 79.45 | 68.73 | 58.68 | 51.17 | 43.03 | 59.56 | ||||||||||||
1972 | 42.23 | 49.14 | 54.39 | 55.10 | 69.77 | 70.00 | a | 76.00 | 77.42 | 66.67 | 59.52 | 52.14 | b | 42.87 | 59.60 | |||||||||||
1973 | 46.47 | a | 53.18 | 54.26 | 60.87 | 68.39 | 69.47 | 77.39 | 77.67 | v | 68.43 | w | 60.90 | 49.40 | 49.03 | a | 58.93 | b | ||||||||
1974 | 45.58 | 48.93 | 53.27 | a | 57.47 | 61.87 | 72.45 | a | 73.57 | a | 77.00 | a | 76.90 | 64.42 | 53.20 | 50.40 | a | 61.25 | ||||||||
1975 | 46.19 | 49.25 | 52.06 | 56.43 | 65.87 | 69.00 | 76.53 | a | 71.55 | 73.77 | 59.39 | 52.41 | a | 48.03 | 60.04 | |||||||||||
1976 | 48.39 | 48.76 | 50.58 | 59.59 | a | 66.58 | 68.70 | 75.26 | 71.61 | 72.27 | 62.52 | 54.23 | 49.87 | 60.70 | ||||||||||||
1977 | 45.52 | 54.71 | 51.84 | 63.47 | 62.77 | 72.30 | 74.73 | a | 80.16 | 67.57 | 61.00 | 49.90 | 48.26 | 61.02 | ||||||||||||
1978 | 49.19 | 51.93 | a | 57.42 | 59.40 | 65.13 | 75.33 | 77.50 | a | 75.06 | 67.13 | 64.26 | 49.10 | 43.13 | 61.22 | |||||||||||
1979 | 42.77 | 48.54 | 59.81 | 59.63 | 67.94 | 73.10 | a | 79.06 | 75.97 | 72.93 | 64.32 | 51.77 | 50.97 | 62.23 | ||||||||||||
1980 | 42.84 | 51.32 | d | 53.55 | 64.27 | 66.00 | 67.37 | 75.94 | 73.19 | 70.57 | 64.55 | 53.67 | 50.26 | 61.13 | ||||||||||||
1981 | 52.03 | 52.71 | 58.81 | 59.07 | 64.84 | 68.73 | h | 75.03 | 81.29 | 72.60 | 59.48 | 55.10 | 47.90 | 61.72 | a | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.95 | 49.96 | 53.00 | 58.94 | 65.77 | 70.40 | 75.38 | 74.94 | 69.59 | 60.90 | 51.90 | 47.48 | 60.25 | |||||||||||||
S.D. | 4.05 | 3.37 | 3.17 | 2.61 | 2.68 | 2.83 | 2.59 | 3.18 | 3.07 | 2.28 | 2.26 | 2.83 | 1.38 | |||||||||||||
SKEW | -0.94 | 0.02 | 0.38 | 0.53 | 0.14 | 0.11 | 0.71 | 0.67 | 0.73 | 0.10 | -0.11 | -0.53 | 0.09 | |||||||||||||
MAX | 52.03 | 56.39 | 59.87 | 65.72 | 72.55 | 75.53 | 83.58 | 82.97 | 76.90 | 65.65 | 56.30 | 51.93 | 63.92 | |||||||||||||
MIN | 33.10 | 41.78 | 47.03 | 54.93 | 60.06 | 65.43 | 70.90 | 69.35 | 64.41 | 56.35 | 46.57 | 42.16 | 57.37 | |||||||||||||
YRS | 36 | 37 | 37 | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 31 |