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 | ----- | z | 80.76 | a | 69.77 | a | 75.26 | j |
1960 | 63.87 | a | 65.52 | b | 71.74 | 76.83 | a | 78.68 | 83.32 | b | 91.00 | a | 87.71 | 90.96 | b | 80.30 | a | 72.41 | a | 70.32 | 77.72 | |||||
1961 | 74.77 | 72.19 | a | 70.17 | b | 75.90 | a | 73.10 | a | 82.55 | a | 85.52 | 87.32 | 84.54 | b | 81.03 | b | 71.50 | 66.55 | 77.09 | ||||||
1962 | 68.40 | a | 62.68 | 64.23 | 77.85 | c | 74.03 | a | 78.47 | 85.35 | 90.06 | 86.63 | 80.47 | a | 73.66 | a | 69.23 | a | 75.92 | |||||||
1963 | 66.16 | 75.18 | 69.13 | 70.32 | b | 75.10 | 77.03 | 86.48 | 88.16 | 90.40 | 80.71 | 73.27 | 74.06 | 77.17 | ||||||||||||
1964 | 68.35 | 70.62 | 68.10 | 71.33 | 73.80 | a | 80.00 | 89.70 | a | 86.19 | 85.40 | 86.74 | 72.80 | 66.58 | 76.64 | |||||||||||
1965 | 70.39 | 71.18 | 69.26 | 74.14 | a | 73.97 | 73.40 | 84.42 | 89.17 | a | 82.24 | a | 87.16 | 71.93 | 67.71 | 76.25 | ||||||||||
1966 | 68.03 | 67.32 | 73.00 | 75.03 | a | ----- | z | 80.34 | a | 87.10 | a | 88.65 | 85.57 | 83.10 | a | 74.10 | a | 69.63 | a | 77.44 | a | |||||
1967 | 70.35 | 74.75 | 69.39 | 65.40 | 77.29 | 76.00 | 87.29 | 91.68 | 85.33 | 86.81 | 76.70 | 66.32 | 77.28 | |||||||||||||
1968 | 69.61 | 72.76 | 73.00 | 74.34 | a | 75.45 | 80.10 | a | 87.63 | a | 86.16 | 85.73 | 81.84 | 75.13 | 68.42 | 77.52 | ||||||||||
1969 | 67.68 | 63.61 | 69.77 | 73.13 | 75.81 | 74.80 | 86.97 | 91.55 | 87.40 | 79.19 | 77.47 | 69.39 | 76.40 | |||||||||||||
1970 | 68.39 | 73.46 | 70.81 | 72.10 | 78.29 | 79.79 | a | 89.00 | 89.00 | 87.13 | 78.35 | 73.33 | 64.87 | 77.04 | ||||||||||||
1971 | 68.23 | 68.25 | 72.19 | 72.53 | 71.90 | 78.73 | 87.26 | 90.55 | 86.97 | 79.42 | 70.13 | 61.13 | 75.61 | |||||||||||||
1972 | 66.74 | 71.79 | 73.55 | 76.03 | 77.74 | 78.67 | 89.60 | a | 88.03 | 83.37 | 76.29 | 70.63 | 66.19 | 76.55 | ||||||||||||
1973 | 63.90 | 67.39 | 63.87 | 71.83 | a | 76.13 | 83.83 | 83.65 | 85.67 | a | 81.07 | 81.87 | 69.30 | 69.29 | 74.82 | |||||||||||
1974 | 65.13 | 71.14 | 69.26 | 75.43 | 73.81 | 84.23 | 86.77 | a | 84.90 | 86.27 | 76.34 | b | 73.13 | 66.32 | 76.06 | |||||||||||
1975 | 69.27 | a | 66.11 | 66.26 | 66.70 | 73.58 | 77.60 | 85.72 | b | 87.16 | 87.50 | 78.29 | 74.13 | 69.20 | a | 75.13 | ||||||||||
1976 | 73.45 | 67.93 | a | 71.10 | 69.53 | 76.68 | 86.07 | a | 83.68 | 87.13 | 80.87 | 82.23 | 78.25 | b | 71.68 | 77.38 | ||||||||||
1977 | 67.04 | c | 74.40 | c | 68.35 | 75.47 | 72.27 | a | 80.83 | 88.29 | 86.32 | 84.70 | 81.03 | 78.10 | a | 70.00 | b | 77.23 | ||||||||
1978 | 66.39 | 67.29 | 70.60 | a | 70.77 | 79.90 | 88.10 | 89.50 | a | 86.13 | 84.04 | f | 84.36 | i | 69.64 | e | 64.19 | 75.25 | b | |||||||
1979 | 62.83 | a | 66.38 | b | 68.71 | 74.83 | 75.90 | 85.50 | 86.38 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.36 | e | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 67.95 | 69.50 | 69.62 | 72.98 | 75.44 | 80.47 | 87.07 | 87.98 | 85.67 | 81.18 | 73.82 | 68.04 | 76.58 | |||||||||||||
S.D. | 2.98 | 3.74 | 2.65 | 3.29 | 2.25 | 3.88 | 2.03 | 1.97 | 2.72 | 3.22 | 3.11 | 2.87 | 0.85 | |||||||||||||
SKEW | 0.44 | -0.11 | -0.65 | -0.73 | 0.28 | 0.15 | 0.06 | 0.45 | 0.03 | 0.51 | 0.54 | -0.32 | -0.62 | |||||||||||||
MAX | 74.77 | 75.18 | 73.55 | 77.85 | 79.90 | 88.10 | 91.00 | 91.68 | 90.96 | 87.16 | 80.76 | 74.06 | 77.72 | |||||||||||||
MIN | 62.83 | 62.68 | 63.87 | 65.40 | 71.90 | 73.40 | 83.65 | 84.90 | 80.87 | 76.29 | 69.30 | 61.13 | 74.82 | |||||||||||||
YRS | 20 | 20 | 20 | 20 | 19 | 20 | 20 | 19 | 18 | 18 | 20 | 20 | 17 |