YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.31 | v | 71.13 | 58.79 | b | 51.67 | a | 60.53 | i | |
1960 | 45.83 | d | 51.00 | 61.95 | 67.27 | b | 73.25 | e | 87.05 | 90.03 | a | 88.18 | f | 83.07 | 68.21 | b | 59.05 | 48.60 | 66.85 | a | ||||||
1961 | 52.44 | d | 55.57 | 60.69 | 67.80 | 73.18 | 86.78 | 88.79 | 85.63 | 78.10 | 69.19 | 55.60 | 49.96 | c | 68.65 | |||||||||||
1962 | 49.60 | 56.20 | 55.08 | 71.63 | 71.97 | a | 80.95 | a | 88.45 | 90.15 | 84.20 | c | 70.15 | 62.14 | a | 53.00 | 69.46 | |||||||||
1963 | 48.68 | 58.71 | 58.61 | 64.10 | 77.16 | 78.87 | 90.23 | 85.16 | 82.75 | 73.73 | 58.88 | 50.26 | 68.93 | |||||||||||||
1964 | 46.16 | 49.10 | 54.73 | a | 63.17 | 74.87 | 80.77 | ----- | z | 84.33 | a | 78.10 | a | 74.21 | 54.18 | 52.05 | 64.70 | a | ||||||||
1965 | 52.18 | 52.11 | 56.35 | 65.28 | 70.48 | 77.76 | a | 88.95 | 87.82 | a | 79.02 | 72.71 | 61.87 | 49.57 | b | 67.84 | ||||||||||
1966 | 46.58 | 48.14 | 60.06 | 66.30 | 76.42 | 85.53 | 90.40 | 88.30 | a | 80.87 | 68.77 | 59.75 | 50.02 | 68.43 | ||||||||||||
1967 | 49.60 | 53.19 | a | 63.29 | 62.27 | 73.27 | 80.79 | d | 88.00 | k | 85.06 | 78.75 | b | 71.03 | 61.08 | 43.73 | 65.64 | a | ||||||||
1968 | 50.87 | 56.71 | 56.25 | a | ----- | z | 72.87 | 81.71 | a | 81.19 | 82.18 | 83.53 | 74.25 | a | ----- | z | 50.56 | 69.01 | b | |||||||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.27 | a | ----- | z | 83.38 | 67.60 | 57.52 | 52.03 | 69.56 | g | ||||
1970 | 49.79 | 56.43 | 57.22 | a | 59.40 | 75.68 | 83.78 | 90.03 | 88.54 | d | 79.83 | a | 66.39 | 59.54 | d | 51.05 | 68.14 | |||||||||
1971 | 49.56 | 55.14 | 60.95 | 63.52 | 70.48 | a | 82.69 | a | 89.95 | a | 84.33 | a | 80.78 | 64.84 | 55.75 | 47.19 | 67.10 | |||||||||
1972 | 49.02 | 56.00 | 68.26 | 66.63 | 73.52 | a | 81.85 | q | 87.87 | l | 85.36 | b | 80.45 | 67.95 | b | 52.60 | a | 47.12 | a | 64.69 | b | |||||
1973 | 46.31 | e | 49.94 | c | 51.56 | d | 61.97 | a | 75.60 | 82.78 | 88.14 | b | 88.36 | b | 81.40 | 71.57 | b | 58.19 | a | 53.63 | a | 67.45 | ||||
1974 | 50.28 | b | 53.34 | 61.32 | 67.19 | a | 75.08 | 90.40 | d | 87.52 | 86.18 | 81.47 | a | 69.73 | 56.37 | 46.24 | d | 68.76 | ||||||||
1975 | 48.07 | a | 51.02 | a | 56.97 | 58.59 | a | 71.47 | a | 81.20 | 87.13 | 88.95 | i | 80.87 | 68.55 | a | 57.60 | a | ----- | z | 66.15 | b | ||||
1976 | 51.35 | e | 57.30 | a | 56.44 | 63.08 | 74.19 | 83.21 | b | 86.16 | 84.40 | 77.63 | 66.57 | a | 58.57 | 49.55 | 67.37 | |||||||||
1977 | 48.72 | a | 55.61 | j | 54.44 | f | 66.07 | a | 68.61 | c | 84.02 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.85 | h |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.12 | 53.74 | 58.73 | 64.64 | 73.42 | 83.02 | 88.16 | 86.13 | 80.84 | 69.81 | 58.09 | 49.78 | 68.21 | |||||||||||||
S.D. | 2.03 | 3.22 | 4.02 | 3.31 | 2.31 | 3.24 | 2.41 | 2.19 | 2.07 | 2.77 | 2.59 | 2.57 | 0.76 | |||||||||||||
SKEW | -0.13 | -0.26 | 0.53 | 0.03 | -0.33 | 0.57 | -1.76 | 0.18 | 0.02 | 0.13 | -0.37 | -0.68 | 0.02 | |||||||||||||
MAX | 52.44 | 58.71 | 68.26 | 71.63 | 77.16 | 90.40 | 90.40 | 90.15 | 84.20 | 74.25 | 62.14 | 53.63 | 69.46 | |||||||||||||
MIN | 45.83 | 48.14 | 51.56 | 58.59 | 68.61 | 77.76 | 81.19 | 82.18 | 77.63 | 64.84 | 52.60 | 43.73 | 67.10 | |||||||||||||
YRS | 17 | 16 | 16 | 16 | 17 | 16 | 14 | 14 | 17 | 18 | 17 | 17 | 10 |