YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.50 | x | 79.17 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 61.97 | 63.59 | a | 64.53 | a | 67.90 | 80.16 | 73.84 | 63.27 | 58.03 | 52.33 | 46.03 | 63.17 | b | ||||||||
1942 | 43.19 | 46.78 | a | 52.87 | 61.07 | b | 63.48 | 67.13 | 76.74 | 76.16 | 70.60 | 60.39 | 47.55 | a | 44.94 | 59.24 | ||||||||||
1943 | ----- | z | 49.36 | 50.00 | 61.80 | 62.84 | 68.60 | 75.55 | 73.06 | 71.83 | 58.61 | 50.97 | a | 41.71 | 60.39 | a | ||||||||||
1944 | 45.19 | 45.48 | 50.42 | 57.50 | 65.81 | 69.60 | 76.33 | a | 74.58 | 70.67 | 62.26 | 47.90 | 41.26 | 58.92 | ||||||||||||
1945 | 45.35 | 46.82 | 49.13 | 54.40 | 66.03 | a | 69.33 | 79.48 | 76.90 | 65.41 | a | 58.71 | 47.13 | 44.68 | 58.62 | |||||||||||
1946 | 43.73 | a | 45.39 | 50.23 | a | 57.60 | 69.33 | a | 68.33 | 73.92 | e | 76.30 | a | 67.54 | b | 53.65 | 47.66 | a | 43.45 | 58.09 | ||||||
1947 | 38.61 | 49.11 | 56.87 | a | 62.23 | 70.71 | 67.90 | 74.27 | a | 74.84 | 71.59 | a | 59.33 | a | 48.21 | a | 46.29 | 60.00 | ||||||||
1948 | 42.37 | a | 43.97 | ----- | z | ----- | z | ----- | z | 74.27 | 73.47 | a | 69.42 | 68.30 | 57.32 | 45.03 | 39.13 | 57.03 | c | |||||||
1949 | 34.10 | 42.21 | 51.60 | a | 61.17 | 71.32 | 73.20 | 75.61 | 75.80 | a | 72.83 | 54.03 | 54.97 | 41.90 | 59.06 | |||||||||||
1950 | 32.23 | 44.50 | 48.19 | 56.17 | 63.74 | 71.86 | a | 78.42 | 78.81 | 71.83 | 56.13 | 48.60 | 49.94 | 58.37 | ||||||||||||
1951 | 42.06 | 46.46 | 46.26 | 66.27 | 67.90 | 74.93 | 79.81 | 78.23 | 73.77 | 56.74 | 50.10 | 40.23 | 60.23 | |||||||||||||
1952 | 40.87 | 45.52 | 49.65 | 63.47 | 67.03 | 67.37 | 78.71 | 77.00 | a | 73.47 | 63.81 | 46.73 | 45.13 | 59.90 | ||||||||||||
1953 | 47.68 | 47.18 | 50.70 | a | 56.23 | 63.74 | 64.67 | 76.42 | 74.71 | 70.27 | 59.81 | 53.00 | 45.87 | 59.19 | ||||||||||||
1954 | 40.26 | 47.25 | 51.13 | 57.73 | 67.00 | 65.17 | a | 71.26 | 69.06 | 67.17 | 58.35 | 53.70 | 44.35 | 57.70 | ||||||||||||
1955 | 42.55 | 44.32 | 45.77 | 52.43 | 62.61 | 70.40 | 69.52 | 75.23 | 69.66 | a | 57.10 | 46.03 | 44.35 | 56.66 | ||||||||||||
1956 | 44.81 | 40.03 | 48.90 | a | 64.53 | 71.61 | 67.00 | 79.06 | 75.45 | 70.23 | 56.45 | 47.66 | a | 44.26 | 59.17 | |||||||||||
1957 | 37.97 | a | 45.11 | 52.32 | 61.20 | 69.61 | 71.50 | 75.16 | 73.45 | 77.17 | 59.87 | 49.27 | 47.48 | 60.01 | ||||||||||||
1958 | 47.87 | 55.89 | 53.06 | 59.37 | 74.68 | 73.97 | a | 83.23 | 82.42 | 70.37 | 62.55 | 49.37 | 49.17 | a | 63.49 | |||||||||||
1959 | 48.92 | g | 45.96 | 51.65 | 61.37 | 65.52 | 66.57 | 78.03 | 76.71 | 66.53 | 61.10 | 49.21 | a | 45.03 | 60.70 | a | ||||||||||
1960 | 43.06 | 48.59 | 52.97 | 59.67 | 62.39 | 73.03 | 82.87 | 73.29 | 68.63 | 60.52 | 49.17 | 44.06 | 59.85 | |||||||||||||
1961 | 48.29 | 49.64 | 52.58 | 57.00 | 65.39 | 77.33 | 79.29 | 84.48 | 70.63 | 57.65 | 47.60 | 43.65 | 61.13 | |||||||||||||
1962 | 43.06 | 50.07 | 50.48 | 62.03 | 59.00 | 71.70 | 76.23 | 73.90 | 71.50 | 60.16 | 52.67 | 47.00 | 59.82 | |||||||||||||
1963 | 39.65 | 55.50 | 53.42 | 55.80 | 69.13 | 66.41 | c | 71.06 | 74.61 | 75.70 | 62.10 | 50.90 | 47.13 | 60.12 | ||||||||||||
1964 | 45.61 | 49.00 | 51.81 | 57.17 | 64.16 | 68.07 | 75.23 | 74.03 | 68.17 | 62.48 | 46.43 | 41.39 | 58.63 | |||||||||||||
1965 | 44.39 | 48.22 | a | 57.55 | 62.60 | 63.90 | 73.23 | 81.16 | 78.06 | 70.33 | 64.03 | 52.83 | 43.48 | 61.65 | ||||||||||||
1966 | 43.87 | 49.04 | 53.90 | 61.00 | 69.10 | 71.07 | 75.10 | 77.48 | 74.27 | 60.68 | 52.23 | 46.77 | 61.21 | |||||||||||||
1967 | 46.16 | 51.07 | 50.21 | b | 55.97 | 66.52 | 76.70 | 79.65 | 87.39 | 78.40 | 61.10 | 51.30 | 43.39 | 62.32 | ||||||||||||
1968 | 46.10 | 55.72 | 56.48 | 58.37 | 66.47 | a | 71.77 | 80.58 | 74.26 | 69.27 | 58.48 | 51.83 | 42.32 | 60.97 | ||||||||||||
1969 | 37.94 | 47.29 | 57.58 | 58.83 | 72.39 | 75.33 | 77.42 | 75.39 | 70.47 | 60.74 | 51.20 | 47.10 | 60.97 | |||||||||||||
1970 | 45.84 | 54.11 | 55.77 | 55.00 | 69.00 | 77.03 | 79.74 | 80.45 | 68.37 | 58.52 | 51.00 | 42.74 | 61.46 | |||||||||||||
1971 | 42.90 | 46.86 | 48.16 | 59.57 | 68.23 | 65.33 | 79.35 | 81.48 | 67.90 | 56.90 | 48.97 | 41.39 | 58.92 | |||||||||||||
1972 | 40.90 | 48.00 | 54.68 | 54.67 | 70.26 | 70.30 | 78.58 | 80.23 | 66.50 | 57.65 | 51.00 | 42.00 | 59.56 | |||||||||||||
1973 | 44.29 | 51.39 | 52.65 | 60.97 | 68.55 | 70.03 | 78.35 | 72.87 | 73.37 | 57.80 | a | 46.43 | 48.06 | 60.40 | ||||||||||||
1974 | 41.87 | 47.32 | 53.23 | 57.03 | 61.42 | 73.67 | 74.03 | 77.67 | a | 76.00 | 63.06 | 50.83 | 48.18 | c | 60.36 | |||||||||||
1975 | 43.90 | a | 47.64 | 50.65 | 54.80 | 66.48 | ----- | z | 76.47 | n | 70.94 | 73.13 | 56.32 | 49.17 | 45.52 | 55.85 | b | |||||||||
1976 | 45.45 | 46.59 | 50.71 | 58.66 | a | 67.13 | 66.93 | 75.06 | 70.00 | 70.48 | a | 60.03 | 52.47 | 45.42 | 59.08 | |||||||||||
1977 | 42.26 | 53.32 | 50.61 | 64.37 | 60.57 | a | 72.80 | 73.61 | 81.26 | 67.90 | 61.48 | 49.07 | 47.37 | a | 60.38 | |||||||||||
1978 | 48.42 | 52.14 | 58.32 | 59.10 | 63.48 | 74.60 | 75.65 | 74.58 | 67.10 | 65.42 | 46.57 | 40.97 | 60.53 | |||||||||||||
1979 | 39.45 | 46.54 | 59.23 | 58.23 | 67.10 | 71.37 | 78.84 | 74.71 | 74.93 | 63.87 | 52.45 | a | 50.10 | 61.40 | ||||||||||||
1980 | 41.94 | 51.82 | a | 51.97 | 64.67 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.60 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.82 | 48.24 | 52.40 | 59.32 | 66.53 | 70.69 | 77.03 | 76.13 | 70.65 | 59.57 | 49.73 | 44.70 | 59.92 | |||||||||||||
S.D. | 3.62 | 3.59 | 3.52 | 3.32 | 3.47 | 3.50 | 3.14 | 3.89 | 3.32 | 2.76 | 2.44 | 2.73 | 1.37 | |||||||||||||
SKEW | -0.88 | 0.38 | 0.64 | 0.09 | 0.08 | 0.13 | -0.28 | 0.70 | 0.25 | 0.02 | 0.08 | 0.06 | 0.16 | |||||||||||||
MAX | 48.42 | 55.89 | 61.97 | 66.27 | 74.68 | 77.33 | 83.23 | 87.39 | 78.40 | 65.42 | 54.97 | 50.10 | 63.49 | |||||||||||||
MIN | 32.23 | 40.03 | 45.77 | 52.43 | 59.00 | 64.67 | 69.52 | 69.06 | 63.27 | 53.65 | 45.03 | 39.13 | 56.66 | |||||||||||||
YRS | 37 | 39 | 39 | 39 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 34 |