YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.76 | a | 55.78 | a | 58.77 | j |
1942 | 55.65 | 55.74 | a | 63.08 | 70.11 | b | 76.84 | c | 84.97 | 94.32 | 91.85 | a | 83.53 | 73.55 | 60.35 | 56.94 | f | 73.63 | a | |||||||
1943 | 57.11 | d | 61.52 | 66.78 | b | 74.82 | 80.08 | 80.93 | 91.77 | 90.67 | a | 86.64 | a | 72.48 | 59.30 | 53.23 | 72.94 | |||||||||
1944 | 50.88 | a | 52.19 | b | 60.69 | d | 66.42 | 76.35 | a | 80.93 | 87.94 | 89.81 | 82.73 | 71.74 | 57.17 | 53.80 | a | 69.22 | ||||||||
1945 | 52.43 | a | 58.73 | 58.03 | a | 69.05 | 76.32 | 82.82 | 91.23 | 89.87 | 84.50 | b | 75.50 | a | 57.85 | 48.31 | 70.39 | |||||||||
1946 | 51.13 | 52.80 | 59.03 | 73.66 | a | 78.72 | d | 87.48 | e | 88.53 | a | 90.86 | c | 85.25 | 66.66 | f | 57.97 | a | 56.90 | a | 71.12 | a | ||||
1947 | 52.14 | b | 61.54 | ----- | z | 74.50 | l | 80.94 | f | 84.72 | a | 91.32 | 87.64 | b | 86.75 | j | 72.04 | d | 57.00 | e | 51.12 | b | 69.69 | d | ||
1948 | 53.20 | c | 57.15 | i | 58.09 | d | 71.02 | b | 77.08 | f | 85.43 | a | 92.02 | 91.03 | a | 85.05 | 75.44 | 58.34 | a | 49.98 | 71.96 | b | ||||
1949 | 43.98 | 52.82 | 59.43 | i | 72.60 | 77.35 | 87.25 | 92.03 | 91.58 | 89.33 | f | 72.22 | h | 67.03 | 52.71 | 70.82 | c | |||||||||
1950 | 50.87 | 61.46 | 66.00 | 74.50 | 76.24 | 85.37 | 89.61 | ----- | z | 85.58 | f | 78.18 | 67.72 | 57.64 | c | 70.76 | b | |||||||||
1951 | 53.58 | a | 56.20 | 62.34 | 70.23 | 78.45 | 83.80 | 92.06 | 89.03 | 86.94 | d | 72.85 | 59.12 | 53.55 | 71.51 | |||||||||||
1952 | 50.96 | e | 58.09 | 60.39 | 71.80 | g | 81.90 | 83.75 | 91.98 | 93.52 | 95.39 | u | ----- | z | ----- | z | 51.38 | f | 74.37 | e | ||||||
1953 | 54.21 | 54.29 | ----- | z | ----- | z | ----- | z | 88.18 | 95.44 | 91.95 | b | 86.90 | a | 74.20 | a | 62.90 | a | 50.40 | k | 76.01 | d | ||||
1954 | 53.31 | 64.34 | 62.32 | a | 75.31 | a | 81.10 | b | 85.67 | a | 94.73 | a | 90.53 | a | 86.90 | 74.90 | 63.67 | 52.81 | 73.80 | |||||||
1955 | 49.44 | 52.21 | 62.15 | a | 68.42 | 76.48 | a | 86.23 | b | 90.31 | ----- | z | ----- | z | ----- | z | 62.05 | 55.90 | a | 67.02 | c | |||||
1956 | 56.34 | 53.97 | ----- | z | ----- | z | 83.70 | p | 89.55 | 92.92 | 91.84 | 90.13 | 72.26 | 58.88 | 54.69 | 73.40 | c | |||||||||
1957 | 52.77 | 62.78 | a | 64.92 | a | 70.65 | 75.32 | 89.75 | 94.15 | a | 90.65 | a | 87.19 | a | 72.74 | 58.55 | 55.16 | 72.89 | ||||||||
1958 | 54.60 | a | 60.57 | 59.95 | 70.50 | a | 83.72 | a | 87.32 | e | 92.36 | b | 92.97 | a | 86.62 | a | 77.43 | a | 61.00 | 57.83 | a | 73.74 | ||||
1959 | 55.28 | b | 55.66 | 66.52 | c | 75.57 | b | 78.33 | a | 90.26 | a | 96.02 | b | 91.85 | 84.37 | c | 75.06 | 62.11 | b | 53.94 | 73.75 | |||||
1960 | 49.82 | 55.29 | 67.23 | a | 72.23 | 79.70 | a | 91.16 | a | 94.50 | a | 92.44 | 88.10 | 73.69 | 61.15 | 51.58 | f | 75.03 | a | |||||||
1961 | 55.47 | a | 60.00 | 64.16 | 72.18 | 77.34 | 89.85 | 93.21 | 92.23 | 82.87 | 72.10 | 57.77 | 52.56 | 72.48 | ||||||||||||
1962 | 53.95 | 58.84 | 59.15 | 76.77 | 75.73 | 85.87 | 91.98 | 94.45 | 87.62 | 74.35 | 64.62 | 55.52 | 73.24 | |||||||||||||
1963 | 49.93 | a | 64.00 | 62.37 | 66.40 | 80.16 | 82.75 | 91.66 | 90.76 | 86.58 | 76.31 | 62.22 | 52.90 | 72.17 | ||||||||||||
1964 | 49.97 | 54.62 | 60.95 | 68.20 | 76.21 | 84.74 | a | 92.81 | 91.10 | 83.95 | 78.73 | 57.38 | 53.95 | 71.05 | ||||||||||||
1965 | 54.81 | 57.62 | 60.89 | 69.22 | 76.23 | 81.22 | 91.98 | 92.56 | 82.05 | 76.31 | 63.17 | 52.98 | 71.59 | |||||||||||||
1966 | ----- | z | 54.04 | 64.44 | 72.65 | 81.52 | 87.08 | 92.30 | a | 93.06 | 86.28 | 72.50 | r | 62.78 | e | 57.56 | g | 77.13 | c | |||||||
1967 | 54.98 | e | 60.30 | 64.95 | 63.57 | 77.66 | 83.58 | 94.39 | 94.08 | 84.85 | 76.67 | a | 65.40 | 50.94 | 72.61 | |||||||||||
1968 | 53.32 | 63.74 | 65.92 | 69.87 | 79.06 | 86.97 | 92.47 | 88.66 | 85.45 | 74.65 | 62.93 | 49.02 | 72.67 | |||||||||||||
1969 | 57.32 | 55.70 | 60.98 | 71.45 | 81.52 | 84.22 | 94.08 | 96.52 | 88.38 | 70.71 | 62.55 | 55.65 | 73.26 | |||||||||||||
1970 | 53.15 | 60.62 | 62.50 | 65.93 | 79.65 | 88.63 | 94.92 | 93.43 | a | 84.28 | 71.50 | 62.80 | 52.37 | 72.48 | ||||||||||||
1971 | 53.74 | 59.20 | a | 64.73 | 68.83 | 75.16 | 85.77 | 94.42 | 92.80 | a | 85.63 | 69.10 | 60.13 | 51.28 | a | 71.73 | ||||||||||
1972 | 51.34 | 60.19 | 71.60 | a | 71.95 | 79.06 | 87.62 | 95.69 | 90.69 | 84.93 | 71.15 | 58.42 | 51.44 | 72.84 | ||||||||||||
1973 | 51.28 | a | 57.65 | a | 59.06 | 68.43 | 81.23 | 89.82 | 93.44 | 90.98 | 83.83 | 73.40 | 60.55 | 54.89 | 72.05 | |||||||||||
1974 | 52.73 | 56.70 | 64.89 | 69.98 | 79.58 | 91.80 | 92.77 | 90.89 | 87.83 | 75.03 | 61.87 | 51.42 | 72.96 | |||||||||||||
1975 | 52.78 | a | 55.02 | 60.37 | 63.22 | 75.81 | 86.15 | 93.56 | 92.08 | 87.03 | 72.55 | 61.40 | 55.40 | 71.28 | ||||||||||||
1976 | 54.79 | 59.60 | 61.71 | 67.57 | 80.26 | 86.42 | 91.63 | 89.31 | ----- | z | 74.08 | 63.52 | 53.20 | a | 71.10 | a | ||||||||||
1977 | 53.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.35 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.87 | 57.88 | 62.78 | 70.36 | 78.49 | 86.23 | 92.70 | 91.57 | 85.74 | 73.96 | 61.18 | 53.45 | 72.30 | |||||||||||||
S.D. | 2.59 | 3.55 | 3.12 | 3.35 | 2.28 | 2.84 | 1.87 | 1.79 | 1.90 | 2.27 | 2.75 | 2.36 | 1.14 | |||||||||||||
SKEW | -0.98 | 0.09 | 0.62 | -0.17 | 0.34 | -0.01 | -0.48 | 0.32 | 0.06 | 0.17 | 0.37 | -0.15 | -0.93 | |||||||||||||
MAX | 57.32 | 64.34 | 71.60 | 76.77 | 83.72 | 91.80 | 96.02 | 96.52 | 90.13 | 78.73 | 67.72 | 57.83 | 73.80 | |||||||||||||
MIN | 43.98 | 52.19 | 58.03 | 63.22 | 75.16 | 80.93 | 87.94 | 87.64 | 82.05 | 69.10 | 57.00 | 48.31 | 69.22 | |||||||||||||
YRS | 35 | 34 | 31 | 31 | 31 | 35 | 35 | 33 | 29 | 30 | 35 | 31 | 22 |