YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.67 | a | 78.37 | 67.61 | 76.55 | i | ||
1960 | 59.52 | 62.52 | 71.33 | a | 78.13 | 81.32 | 90.07 | 98.03 | 93.06 | 94.40 | 79.97 | 68.13 | 67.19 | 78.64 | ||||||||||||
1961 | 71.58 | 70.07 | 69.10 | b | 76.67 | c | 75.90 | b | 88.77 | 93.58 | 94.23 | 86.50 | 80.81 | 68.40 | 63.35 | 78.25 | ||||||||||
1962 | 65.94 | 58.96 | c | 63.10 | a | 80.10 | a | 75.07 | d | 84.03 | 91.10 | 96.48 | 90.32 | b | 80.45 | 71.90 | 69.37 | a | 77.24 | |||||||
1963 | 61.84 | 71.89 | 67.77 | 69.20 | 75.58 | 79.53 | 93.23 | 93.23 | 92.40 | 78.94 | 68.20 | 69.00 | 76.73 | |||||||||||||
1964 | 63.55 | 68.79 | a | 68.61 | 71.97 | 78.26 | 84.53 | 96.84 | 93.20 | a | 89.13 | 86.84 | 66.67 | 60.53 | a | 77.41 | ||||||||||
1965 | 65.73 | a | 69.29 | 66.87 | 72.67 | 78.20 | a | 79.34 | a | 93.55 | 96.00 | 85.77 | 88.16 | 66.87 | 61.87 | 77.03 | ||||||||||
1966 | 63.81 | 64.89 | 74.84 | 80.30 | 82.20 | a | 88.47 | 95.16 | 96.16 | 91.30 | 83.55 | 69.10 | 64.39 | 79.51 | ||||||||||||
1967 | 66.13 | a | 73.36 | 68.83 | a | 63.17 | 80.35 | 81.10 | 94.94 | 94.68 | 85.77 | 85.13 | a | 72.53 | 60.16 | 77.18 | ||||||||||
1968 | 63.77 | 69.52 | 71.42 | 73.33 | 76.60 | a | 82.47 | 90.42 | 87.47 | a | 87.38 | a | 78.06 | 70.47 | 60.84 | 75.98 | ||||||||||
1969 | 61.65 | 58.04 | 67.39 | 71.53 | 78.28 | b | 75.77 | 90.42 | 95.42 | 89.27 | 76.52 | 72.23 | 64.45 | 75.08 | ||||||||||||
1970 | 62.97 | 69.71 | 68.35 | 71.17 | 80.45 | b | 84.07 | 93.16 | 93.47 | a | 89.63 | 76.71 | 70.43 | 60.19 | 76.69 | |||||||||||
1971 | 65.35 | 65.93 | 69.87 | 70.70 | 71.42 | 81.63 | 91.39 | 93.97 | a | 88.73 | 77.84 | 68.07 | 56.94 | 75.15 | ||||||||||||
1972 | 64.23 | 70.14 | a | 75.45 | 74.50 | 78.65 | 85.24 | a | 92.94 | 88.71 | 83.50 | b | 73.40 | a | 66.30 | 61.71 | 76.23 | |||||||||
1973 | 59.97 | 61.93 | 60.32 | 70.80 | 78.65 | 87.77 | 88.58 | 88.35 | 81.37 | 80.58 | 64.83 | 65.00 | 74.01 | |||||||||||||
1974 | 59.33 | a | 67.68 | 66.10 | b | 75.43 | 74.19 | 86.97 | 90.35 | 88.26 | 89.93 | a | 74.27 | a | 70.34 | a | 62.16 | 75.42 | ||||||||
1975 | 66.43 | a | 62.48 | a | 63.13 | 62.80 | 76.26 | 79.53 | 88.74 | 89.45 | 88.30 | 75.16 | 70.97 | a | 67.16 | 74.20 | ||||||||||
1976 | 70.29 | 64.79 | a | 68.17 | b | 69.03 | 79.06 | 87.27 | 88.06 | 87.87 | 79.87 | 79.52 | 75.80 | 69.00 | a | 76.56 | ||||||||||
1977 | 62.97 | 73.57 | 64.87 | 75.80 | 69.40 | a | 84.37 | 93.10 | a | 90.06 | 84.40 | 81.77 | 75.40 | 67.17 | a | 76.91 | ||||||||||
1978 | 61.52 | 64.48 | a | 67.90 | 66.97 | 81.06 | 88.67 | 93.77 | 90.29 | 87.70 | 84.58 | 66.90 | 62.19 | 76.34 | ||||||||||||
1979 | 58.35 | 63.86 | 66.29 | 74.34 | a | 77.29 | 88.70 | 91.45 | 88.68 | 94.83 | 76.81 | 69.97 | 70.06 | 76.72 | ||||||||||||
1980 | 63.07 | a | 68.54 | a | 65.87 | 74.23 | 70.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.39 | g | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 63.71 | 66.69 | 67.89 | 72.52 | 77.07 | 84.41 | 92.44 | 91.95 | 88.02 | 80.13 | 70.09 | 64.30 | 76.56 | |||||||||||||
S.D. | 3.35 | 4.40 | 3.61 | 4.70 | 3.53 | 3.98 | 2.66 | 3.14 | 3.90 | 4.08 | 3.42 | 3.72 | 1.37 | |||||||||||||
SKEW | 0.60 | -0.29 | 0.18 | -0.38 | -0.71 | -0.44 | 0.23 | -0.05 | -0.26 | 0.26 | 0.77 | -0.05 | 0.06 | |||||||||||||
MAX | 71.58 | 73.57 | 75.45 | 80.30 | 82.20 | 90.07 | 98.03 | 96.48 | 94.83 | 88.16 | 78.37 | 70.06 | 79.51 | |||||||||||||
MIN | 58.35 | 58.04 | 60.32 | 62.80 | 69.40 | 75.77 | 88.06 | 87.47 | 79.87 | 73.40 | 64.83 | 56.94 | 74.01 | |||||||||||||
YRS | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 |