YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.33 | y | 88.84 | 83.97 | 81.03 | 68.13 | 66.55 | 77.70 | g | |||||
1967 | 67.16 | 71.54 | 65.13 | 58.70 | 75.03 | 75.43 | 89.94 | 92.77 | 81.80 | 84.13 | 72.93 | 62.23 | 74.73 | |||||||||||||
1968 | 64.77 | 68.45 | 69.81 | 71.37 | 74.19 | 80.63 | 87.87 | 84.19 | 84.86 | a | 77.10 | 71.60 | 62.13 | 74.75 | ||||||||||||
1969 | 61.42 | 57.11 | 67.94 | 71.50 | 77.81 | 75.93 | 89.97 | 95.45 | 89.47 | 76.94 | 73.10 | 65.81 | 75.20 | |||||||||||||
1970 | 63.74 | 68.14 | 69.29 | 70.63 | 79.10 | 83.97 | 93.58 | 94.22 | h | 88.73 | 77.35 | 70.57 | 60.81 | 75.08 | a | |||||||||||
1971 | 65.06 | 65.37 | a | 69.52 | 70.33 | 70.68 | 80.70 | 91.87 | 94.13 | 88.43 | 77.65 | 70.10 | 57.06 | 75.08 | ||||||||||||
1972 | 65.77 | 70.66 | 77.10 | 74.73 | 78.35 | 84.93 | 94.29 | 89.42 | 83.57 | 72.97 | 66.50 | 62.35 | 76.72 | |||||||||||||
1973 | 60.32 | 61.64 | 60.81 | 71.50 | 79.61 | 88.53 | ----- | z | 90.52 | 82.83 | 79.65 | 64.03 | 64.68 | 73.10 | a | |||||||||||
1974 | 58.97 | 68.32 | 64.74 | 75.63 | 74.81 | 87.76 | a | 90.03 | 88.58 | 89.10 | 72.55 | 68.67 | 62.13 | 75.11 | ||||||||||||
1975 | 67.06 | 63.93 | 63.10 | 63.27 | 77.00 | 79.80 | 89.13 | 89.81 | 87.50 | 73.81 | 68.47 | 65.52 | 74.03 | |||||||||||||
1976 | 70.00 | 63.97 | 68.55 | 67.77 | 78.65 | 85.87 | 87.84 | 84.74 | 77.07 | 76.00 | 71.50 | 67.65 | 74.97 | |||||||||||||
1977 | 63.19 | 74.14 | 65.65 | 76.77 | 69.03 | 84.70 | 93.42 | 90.29 | 83.53 | 79.32 | 72.73 | 64.16 | 76.41 | |||||||||||||
1978 | 60.77 | 64.43 | 67.16 | 67.23 | 81.81 | 88.03 | 93.32 | 88.26 | 83.73 | 78.97 | 62.97 | 58.87 | 74.63 | |||||||||||||
1979 | 56.55 | 63.00 | 66.13 | 74.40 | 77.19 | 88.57 | 92.26 | 87.55 | 92.43 | 75.00 | 67.63 | 67.97 | 75.72 | |||||||||||||
1980 | 62.19 | 67.62 | 67.61 | 74.40 | 70.42 | 85.20 | 94.71 | 88.32 | 83.93 | 79.23 | 69.63 | 68.84 | 76.01 | |||||||||||||
1981 | 65.52 | 69.54 | 65.74 | 75.00 | 79.39 | 93.48 | a | 93.19 | 94.65 | ----- | z | 72.68 | 69.07 | 66.52 | 76.80 | a | ||||||||||
1982 | 60.73 | a | 67.00 | a | 64.29 | 71.83 | 73.10 | 76.97 | a | 92.40 | a | 92.84 | 82.57 | 78.10 | ----- | z | 62.96 | c | 74.80 | a | ||||||
1983 | 66.85 | e | 66.50 | 65.16 | 68.07 | ----- | z | 82.66 | a | 91.87 | a | 92.65 | 89.56 | c | ----- | z | 63.65 | d | ----- | z | 76.33 | c | ||||
1984 | 69.45 | 71.90 | 76.26 | 83.00 | d | 90.35 | 86.43 | ----- | z | 94.03 | b | 92.93 | ----- | z | 66.37 | 60.77 | 79.15 | b | ||||||||
1985 | 61.13 | a | 70.22 | a | 69.52 | 80.83 | 80.18 | c | 91.87 | 97.60 | a | 94.03 | a | 81.60 | 80.32 | 67.56 | c | 69.71 | 78.71 | |||||||
1986 | 71.65 | 68.52 | a | 72.79 | c | 75.47 | 81.74 | 89.59 | a | 90.71 | 96.55 | 80.00 | a | 76.75 | o | 75.27 | 67.03 | 79.03 | a | |||||||
1987 | 63.87 | 66.67 | a | 74.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.33 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 64.10 | 67.08 | 68.13 | 72.12 | 77.29 | 84.55 | 91.89 | 90.88 | 85.38 | 77.38 | 69.02 | 64.19 | 75.54 | |||||||||||||
S.D. | 3.83 | 3.90 | 4.22 | 5.57 | 4.91 | 5.08 | 2.52 | 3.47 | 4.19 | 3.15 | 3.33 | 3.41 | 1.21 | |||||||||||||
SKEW | 0.11 | -0.56 | 0.62 | -0.37 | 0.56 | -0.26 | 0.23 | -0.23 | 0.12 | 0.09 | -0.12 | -0.28 | 1.38 | |||||||||||||
MAX | 71.65 | 74.14 | 77.10 | 83.00 | 90.35 | 93.48 | 97.60 | 96.55 | 92.93 | 84.13 | 75.27 | 69.71 | 78.71 | |||||||||||||
MIN | 56.55 | 57.11 | 60.81 | 58.70 | 69.03 | 75.43 | 87.84 | 84.19 | 77.07 | 72.55 | 62.97 | 57.06 | 74.03 | |||||||||||||
YRS | 21 | 21 | 21 | 20 | 19 | 20 | 18 | 20 | 20 | 18 | 20 | 20 | 13 |