YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | 55.73 | i | 59.24 | m | 76.90 | 78.80 | 89.74 | 82.55 | 81.40 | 72.06 | 55.73 | 48.32 | 73.19 | d | ||||||||
1964 | 41.90 | 44.66 | 48.00 | 62.50 | j | 69.52 | 80.63 | 90.06 | 85.45 | 78.33 | 76.23 | 50.17 | 44.42 | 64.49 | a | |||||||||||
1965 | 46.06 | 48.86 | 50.39 | 57.17 | 67.03 | 74.73 | 85.13 | 84.84 | 72.93 | 74.10 | 56.80 | 43.81 | 63.49 | |||||||||||||
1966 | 40.77 | 40.75 | 58.58 | 66.60 | 75.81 | 82.53 | 87.61 | 87.16 | 79.23 | 67.97 | 57.13 | 43.74 | 65.66 | |||||||||||||
1967 | 43.94 | 50.86 | 57.65 | 56.17 | 70.90 | b | 76.13 | 87.68 | 86.77 | 76.67 | 72.23 | 58.50 | 37.90 | 64.62 | ||||||||||||
1968 | 41.06 | 51.17 | 56.84 | 58.90 | 70.52 | 84.33 | 86.00 | 79.17 | a | 78.19 | d | 69.12 | f | 52.66 | a | 39.18 | c | 63.46 | a | |||||||
1969 | 43.83 | a | 40.56 | a | 48.14 | c | 66.60 | e | 76.90 | b | 79.42 | d | 89.00 | c | 89.08 | f | 79.59 | h | 59.42 | g | 53.04 | d | 46.63 | a | 60.46 | c |
1970 | 45.61 | 52.19 | a | 51.80 | a | 58.33 | 76.59 | d | 82.17 | 88.90 | b | 88.04 | g | 75.77 | h | 64.41 | i | 53.95 | h | 39.42 | e | 61.88 | d | |||
1971 | 43.69 | b | 46.20 | c | 54.58 | 61.80 | e | 68.11 | d | 83.18 | b | 91.17 | a | 85.63 | a | 76.00 | f | 61.78 | d | 48.48 | g | 36.18 | c | 63.23 | b | |
1972 | 44.50 | e | 53.67 | e | 64.52 | h | 65.82 | b | 75.79 | c | 81.29 | b | 90.55 | b | 84.55 | b | 74.55 | h | 59.15 | d | 47.45 | h | 39.57 | c | 66.10 | c |
1973 | 35.17 | g | 43.04 | b | 46.52 | d | 59.67 | c | 73.42 | e | 81.10 | a | 88.04 | c | 86.19 | j | 77.36 | e | 70.32 | i | 57.16 | k | 46.00 | i | 67.02 | e |
1974 | 37.35 | e | 45.71 | g | 58.72 | m | 62.24 | a | 77.59 | i | 89.74 | g | 85.50 | a | 85.22 | d | 80.24 | i | 67.58 | l | 53.52 | i | 44.00 | h | 67.58 | h |
1975 | 44.71 | g | 46.48 | g | 50.73 | e | 53.70 | c | 67.26 | d | 78.00 | c | 85.97 | b | 86.38 | j | 78.30 | j | 67.48 | h | 54.21 | b | 48.91 | h | 64.98 | f |
1976 | 47.32 | f | 50.15 | b | 51.86 | c | 60.97 | a | 74.35 | e | 81.35 | g | 87.43 | a | 84.56 | f | 76.00 | c | 69.39 | h | 60.12 | f | 50.96 | h | 66.79 | f |
1977 | 44.21 | b | 55.44 | a | 53.33 | d | 67.32 | b | 66.82 | c | 85.89 | b | 87.77 | a | 86.04 | e | 79.25 | b | 70.63 | d | 58.88 | e | 52.33 | g | 68.69 | a |
1978 | 43.33 | a | 45.61 | e | 57.00 | f | 59.83 | f | 70.34 | b | 83.96 | d | 89.79 | b | 87.03 | 79.04 | e | 73.96 | c | 52.71 | i | 37.77 | e | 67.87 | c | |
1979 | 32.83 | g | 42.45 | h | 49.87 | a | 61.33 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.87 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.02 | 47.93 | 52.18 | 61.18 | 72.02 | 80.87 | 88.15 | 84.95 | 77.84 | 69.79 | 55.24 | 41.54 | 64.59 | |||||||||||||
S.D. | 2.41 | 4.84 | 3.83 | 4.40 | 3.84 | 3.18 | 1.86 | 2.32 | 2.30 | 5.81 | 2.93 | 4.00 | 1.09 | |||||||||||||
SKEW | -1.02 | -0.14 | 0.31 | 0.01 | -0.01 | -0.39 | -0.09 | -1.50 | -0.71 | -0.86 | -0.35 | 0.33 | -0.05 | |||||||||||||
MAX | 46.06 | 55.44 | 58.58 | 67.32 | 76.90 | 85.89 | 91.17 | 87.16 | 81.40 | 76.23 | 58.88 | 48.32 | 65.66 | |||||||||||||
MIN | 37.35 | 40.56 | 46.52 | 53.70 | 66.82 | 74.73 | 85.13 | 79.17 | 72.93 | 59.15 | 50.17 | 36.18 | 63.49 | |||||||||||||
YRS | 12 | 13 | 13 | 13 | 15 | 14 | 16 | 11 | 10 | 9 | 9 | 11 | 3 |