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 | 37.47 | a | 37.47 | k |
1949 | 28.18 | 40.29 | 46.65 | 52.17 | 57.90 | b | 60.83 | 65.56 | 66.21 | 62.65 | 47.97 | 48.37 | 40.19 | 51.41 | ||||||||||||
1950 | 29.90 | 41.20 | 44.56 | 48.48 | 53.37 | 60.35 | 65.45 | 68.07 | a | 61.89 | c | 52.67 | b | 46.77 | 48.24 | 51.75 | ||||||||||
1951 | 39.70 | a | 42.68 | 41.72 | a | 52.57 | b | 55.76 | 63.42 | 66.44 | 64.50 | 62.47 | 52.35 | e | 45.42 | 37.70 | a | 52.06 | ||||||||
1952 | 38.66 | 41.59 | 44.00 | 51.05 | 56.16 | 58.60 | a | 66.18 | 66.13 | 63.85 | 56.35 | e | 38.05 | 41.47 | 51.84 | |||||||||||
1953 | 47.71 | 43.68 | 45.27 | a | 49.31 | a | 53.84 | 57.43 | 64.02 | 65.48 | 62.28 | 54.15 | 48.12 | 42.40 | a | 52.81 | ||||||||||
1954 | 40.25 | a | 43.46 | 42.74 | 48.83 | 55.65 | a | 56.97 | a | 61.69 | 62.45 | 58.50 | a | 51.90 | b | 49.09 | a | 40.05 | a | 50.97 | ||||||
1955 | 38.63 | a | 40.25 | 41.26 | 45.22 | 52.13 | 60.30 | 62.05 | 64.40 | 60.57 | 53.15 | a | 42.92 | 41.68 | a | 50.21 | ||||||||||
1956 | 41.44 | 36.78 | 44.23 | 51.25 | 58.32 | 58.77 | 67.65 | a | 65.42 | 61.48 | 51.74 | 42.38 | 40.19 | 51.64 | ||||||||||||
1957 | 32.23 | 42.50 | a | 46.84 | 51.83 | 57.53 | a | 61.03 | 63.84 | 63.58 | 65.57 | 53.60 | 43.17 | 43.50 | 52.10 | |||||||||||
1958 | 43.32 | 49.54 | 44.97 | a | 50.67 | 60.56 | 64.63 | 69.79 | 69.50 | 62.33 | 55.11 | 46.23 | 45.74 | 55.20 | ||||||||||||
1959 | 43.13 | a | 43.70 | 46.05 | 50.63 | 54.11 | 61.17 | 67.34 | 65.31 | 59.38 | 54.53 | 44.88 | 39.92 | 52.51 | ||||||||||||
1960 | 37.08 | 42.52 | 45.74 | 50.63 | 53.29 | 62.12 | b | 66.85 | 64.29 | 61.15 | 54.32 | 45.83 | a | 39.19 | 51.92 | |||||||||||
1961 | 44.03 | 47.21 | 47.37 | 50.20 | 55.69 | 64.92 | 67.69 | 69.60 | 59.42 | 52.63 | 42.57 | 41.73 | 53.59 | |||||||||||||
1962 | 38.32 | 42.38 | 44.81 | 52.38 | 52.65 | 60.17 | 65.31 | 65.44 | 62.71 | a | 53.40 | b | 47.75 | 41.63 | 52.24 | |||||||||||
1963 | 34.44 | 49.52 | 45.84 | 48.65 | 56.90 | 60.08 | 62.35 | 65.24 | 65.30 | 54.50 | 47.58 | 40.68 | 52.59 | |||||||||||||
1964 | 43.03 | 41.69 | 45.00 | 48.13 | 53.24 | 59.02 | 65.24 | 64.24 | 59.67 | 54.61 | 43.15 | 40.24 | 51.44 | |||||||||||||
1965 | 41.81 | 43.82 | 47.71 | 51.90 | 53.45 | 60.23 | 68.02 | 67.58 | 60.85 | 56.02 | 49.17 | 38.65 | 53.27 | |||||||||||||
1966 | 41.03 | 42.41 | 45.97 | 51.77 | 55.15 | 61.10 | 64.56 | 66.08 | 63.38 | 53.61 | 47.97 | 45.19 | 53.19 | |||||||||||||
1967 | 44.34 | 44.11 | 44.95 | 46.05 | 55.61 | 64.47 | 67.84 | 72.24 | 66.02 | 54.60 | 47.05 | 42.29 | 54.13 | |||||||||||||
1968 | 40.76 | 49.02 | 48.84 | 48.15 | 55.24 | 60.72 | 66.42 | 64.44 | 60.73 | 52.13 | 46.83 | 38.97 | 52.69 | |||||||||||||
1969 | 35.66 | 41.43 | 46.71 | 50.07 | 58.26 | 64.22 | 63.39 | 63.45 | 60.87 | 50.71 | 44.85 | 42.73 | 51.86 | |||||||||||||
1970 | 41.95 | 46.12 | 47.13 | 47.22 | 55.19 | 63.75 | 66.26 | 65.03 | 57.93 | 50.84 | 46.05 | 40.35 | a | 52.32 | ||||||||||||
1971 | 39.98 | 41.80 | 43.34 | 49.08 | 55.76 | 58.27 | 66.06 | 67.89 | 58.58 | 50.42 | 44.65 | 39.85 | 51.31 | |||||||||||||
1972 | 38.60 | 43.57 | 49.27 | 47.00 | 58.19 | 61.07 | 67.87 | 67.98 | 58.68 | 50.87 | 46.67 | 36.69 | 52.21 | |||||||||||||
1973 | 38.73 | 44.64 | 45.93 | a | 50.17 | 56.76 | 60.83 | 66.61 | 62.47 | 62.02 | 52.45 | 44.03 | 43.92 | 52.38 | ||||||||||||
1974 | 37.55 | 41.46 | 46.34 | 49.42 | 53.60 | 61.27 | 65.21 | 66.00 | a | 64.77 | 53.23 | 46.27 | 42.76 | 52.32 | ||||||||||||
1975 | 42.45 | 42.52 | 43.10 | 45.78 | 54.95 | 59.12 | 65.60 | 62.37 | 62.43 | 52.47 | 44.98 | 42.82 | 51.55 | |||||||||||||
1976 | 42.03 | 40.74 | 43.07 | a | 48.53 | a | 54.52 | 56.59 | b | 64.13 | 62.82 | 61.50 | b | 52.05 | 46.47 | 38.29 | b | 50.89 | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.46 | 43.24 | 45.34 | 49.54 | 55.49 | 60.77 | 65.69 | 65.65 | 61.68 | 52.94 | 45.62 | 41.19 | 52.23 | |||||||||||||
S.D. | 4.36 | 2.90 | 1.96 | 2.06 | 2.02 | 2.29 | 1.95 | 2.37 | 2.19 | 1.83 | 2.45 | 2.60 | 1.02 | |||||||||||||
SKEW | -0.86 | 0.64 | -0.13 | -0.42 | 0.48 | 0.19 | -0.27 | 0.84 | 0.22 | -0.44 | -1.00 | 0.63 | 0.81 | |||||||||||||
MAX | 47.71 | 49.54 | 49.27 | 52.57 | 60.56 | 64.92 | 69.79 | 72.24 | 66.02 | 56.35 | 49.17 | 48.24 | 55.20 | |||||||||||||
MIN | 28.18 | 36.78 | 41.26 | 45.22 | 52.13 | 56.59 | 61.69 | 62.37 | 57.93 | 47.97 | 38.05 | 36.69 | 50.21 | |||||||||||||
YRS | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 |