YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.37 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.37 | k |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.92 | e | 88.90 | a | 84.43 | 72.19 | e | 63.72 | 55.94 | 76.35 | f | |||
1943 | 53.53 | b | 60.75 | 62.45 | c | 71.27 | f | 78.39 | d | 82.33 | f | 89.23 | g | 86.23 | g | ----- | z | 72.29 | b | 61.25 | ----- | z | 64.78 | f | ||
1944 | 50.83 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.83 | k |
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 | 57.73 | b | 61.81 | e | 67.05 | h | 75.87 | a | 80.23 | 89.12 | a | 85.97 | 84.10 | 70.56 | 53.77 | 48.60 | b | 70.78 | b | |||||
1948 | 49.84 | 51.04 | a | 53.62 | a | 66.23 | 73.98 | a | 81.64 | a | 87.77 | 88.44 | 82.65 | 72.97 | 54.08 | 49.50 | 67.65 | |||||||||
1949 | 42.84 | 50.23 | 57.34 | 68.13 | 73.58 | 82.70 | 87.10 | 84.73 | a | 83.30 | b | 68.21 | 63.98 | a | 52.06 | 67.85 | ||||||||||
1950 | 49.58 | 57.29 | 60.58 | 69.85 | 73.19 | 81.98 | 86.68 | 86.48 | 79.35 | d | 74.55 | a | 62.62 | 56.78 | a | 69.91 | ||||||||||
1951 | 51.16 | 53.96 | 58.29 | 65.86 | a | 74.21 | 80.17 | 88.66 | 84.71 | 80.52 | a | 70.79 | 58.13 | 50.79 | 68.10 | |||||||||||
1952 | 50.29 | 51.54 | a | 53.37 | 65.48 | c | 77.24 | 81.63 | 86.22 | a | 87.02 | b | 81.53 | 72.45 | 56.02 | 49.50 | 67.69 | |||||||||
1953 | 52.84 | 51.57 | 59.21 | 61.97 | 66.06 | 79.57 | 87.76 | d | 85.29 | 79.05 | 68.39 | 59.28 | 47.78 | a | 66.56 | |||||||||||
1954 | 51.10 | 60.12 | b | 56.69 | b | 68.33 | d | 74.35 | 80.06 | c | 87.91 | b | 84.57 | b | 82.12 | 71.65 | 60.98 | 52.13 | 69.17 | |||||||
1955 | 47.19 | b | 49.04 | 57.59 | b | 60.35 | d | 70.98 | d | 78.77 | 83.16 | b | 84.76 | 79.65 | 73.27 | 57.72 | 54.44 | 66.41 | ||||||||
1956 | 53.74 | 48.41 | 57.59 | b | 63.35 | 73.54 | d | 83.22 | 86.04 | c | 83.92 | 81.81 | a | 68.23 | 56.95 | 51.47 | b | 67.35 | ||||||||
1957 | 52.97 | 60.02 | 58.98 | 63.22 | 68.69 | e | 82.65 | 88.50 | 86.29 | b | 80.30 | c | 69.86 | b | 55.18 | 52.98 | c | 68.30 | ||||||||
1958 | 50.79 | 55.31 | b | 55.08 | 63.95 | 76.65 | 82.45 | b | 86.81 | 86.87 | 81.77 | 72.27 | a | 59.53 | 54.97 | 68.87 | ||||||||||
1959 | 52.48 | 51.62 | 58.32 | 68.53 | 70.02 | d | 83.85 | 89.11 | 84.65 | a | 78.55 | 69.68 | 59.53 | 52.48 | 68.24 | |||||||||||
1960 | 48.10 | 48.36 | 61.32 | 65.15 | 71.91 | b | 83.23 | 86.63 | 85.45 | 81.28 | a | 67.34 | b | 58.45 | 50.37 | 67.30 | ||||||||||
1961 | 53.98 | 53.62 | 57.37 | 64.16 | a | 69.63 | d | 82.33 | 86.71 | 84.45 | 76.47 | 66.78 | a | 54.73 | 50.68 | 66.74 | ||||||||||
1962 | 50.26 | 53.98 | 53.53 | 67.80 | 69.35 | a | 78.07 | 85.32 | a | 86.13 | 80.38 | 68.65 | 60.43 | a | 54.00 | 67.32 | ||||||||||
1963 | 47.79 | 57.63 | a | 56.65 | a | 60.48 | a | 73.10 | 75.25 | 86.18 | 83.92 | 81.53 | 71.65 | 59.43 | 51.40 | 67.08 | ||||||||||
1964 | 46.71 | 47.79 | 54.76 | 62.67 | a | 68.34 | 77.62 | 86.68 | a | 83.37 | 77.70 | 70.53 | 54.78 | a | 51.24 | 65.18 | ||||||||||
1965 | 52.52 | 52.52 | a | 55.06 | 63.79 | a | 68.71 | 74.07 | a | 86.76 | 84.98 | a | 76.23 | 71.45 | 60.78 | 52.94 | 66.65 | |||||||||
1966 | 47.73 | a | 49.62 | 59.87 | a | 65.62 | 74.40 | 80.13 | 86.89 | 85.76 | 79.25 | 68.37 | 59.59 | a | 52.08 | 67.44 | ||||||||||
1967 | 49.81 | 55.04 | 59.55 | 59.10 | 70.18 | 77.63 | 86.61 | 85.98 | 79.47 | 69.58 | 60.83 | 47.52 | 66.77 | |||||||||||||
1968 | 51.89 | 58.66 | 57.92 | a | 63.17 | 71.00 | 79.69 | a | 84.81 | 82.16 | 78.53 | 68.63 | 56.98 | a | 47.98 | 66.78 | ||||||||||
1969 | 54.29 | 52.36 | 54.97 | 63.93 | a | 72.95 | 77.00 | 87.32 | 89.65 | 81.08 | 65.31 | 58.47 | 52.39 | 67.48 | ||||||||||||
1970 | 50.18 | 56.73 | 56.02 | 59.63 | 71.82 | 80.12 | 88.79 | 87.26 | 77.41 | a | 65.03 | 57.13 | 49.98 | 66.68 | ||||||||||||
1971 | 49.82 | 52.05 | 58.60 | b | 61.70 | 66.79 | 77.35 | 87.29 | 84.18 | 79.03 | 65.03 | 57.53 | 49.18 | 65.71 | ||||||||||||
1972 | 49.56 | 56.16 | 64.56 | 64.43 | 70.77 | a | 82.52 | 88.21 | 84.44 | 79.02 | 68.03 | 53.95 | 49.70 | a | 67.61 | |||||||||||
1973 | 48.69 | 54.91 | 53.61 | 62.67 | a | 74.84 | 82.22 | 87.08 | 87.34 | 78.65 | 69.63 | 56.70 | 52.00 | 67.36 | ||||||||||||
1974 | 51.24 | 53.34 | 60.44 | 65.23 | 73.39 | 84.83 | 86.60 | 85.18 | 81.52 | 70.95 | 58.18 | 48.05 | 68.25 | |||||||||||||
1975 | 50.29 | 52.27 | 55.92 | 58.18 | 69.44 | 78.67 | 87.68 | 85.31 | 80.38 | 68.05 | 57.58 | 52.16 | 66.33 | |||||||||||||
1976 | 52.29 | 57.52 | 57.32 | 62.68 | 74.16 | 80.81 | c | 87.11 | 85.45 | 83.19 | v | ----- | z | ----- | z | ----- | z | 69.67 | d | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.46 | 53.91 | 57.69 | 63.99 | 72.18 | 80.48 | 87.24 | 85.60 | 80.24 | 69.75 | 58.33 | 51.37 | 67.39 | |||||||||||||
S.D. | 2.48 | 3.67 | 2.81 | 2.93 | 3.03 | 2.65 | 1.63 | 1.62 | 2.06 | 2.46 | 2.75 | 2.39 | 1.01 | |||||||||||||
SKEW | -0.83 | 0.16 | 0.36 | 0.03 | -0.04 | -0.50 | 0.87 | 0.55 | 0.08 | -0.20 | 0.17 | 0.33 | 0.29 | |||||||||||||
MAX | 54.29 | 60.75 | 64.56 | 69.85 | 78.39 | 84.83 | 92.92 | 89.65 | 84.43 | 74.55 | 63.98 | 56.78 | 69.91 | |||||||||||||
MIN | 42.84 | 47.79 | 53.37 | 58.18 | 66.06 | 74.07 | 83.16 | 82.16 | 76.23 | 65.03 | 53.77 | 47.52 | 65.18 | |||||||||||||
YRS | 31 | 31 | 31 | 29 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 30 | 28 |