YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.57 | 77.52 | 75.87 | 78.70 | 74.16 | 69.47 | 70.87 | 74.31 | e | |||||||
1964 | 66.58 | 70.45 | 67.81 | 69.70 | 69.52 | 73.73 | ----- | z | 74.13 | 75.13 | 73.50 | a | 68.80 | 65.23 | 70.42 | a | ||||||||||
1965 | 67.71 | 67.61 | 66.94 | 70.20 | 71.68 | 70.37 | 72.94 | 77.71 | 74.80 | 80.84 | 68.83 | 64.74 | 71.20 | |||||||||||||
1966 | 65.45 | 66.00 | 72.48 | 72.33 | 68.65 | 75.80 | 74.19 | 76.42 | 77.90 | 78.77 | 69.83 | 66.90 | 72.06 | |||||||||||||
1967 | 68.32 | 72.07 | 65.77 | 64.13 | 73.48 | 69.87 | 75.30 | a | 77.71 | 78.57 | 84.97 | 73.67 | 68.58 | 72.70 | ||||||||||||
1968 | 69.03 | 71.55 | 72.68 | 73.07 | 73.37 | a | 77.37 | 74.35 | 78.94 | 79.73 | 77.61 | 77.33 | 66.71 | 74.31 | ||||||||||||
1969 | 64.94 | 62.75 | 69.58 | 72.20 | 73.26 | 75.47 | 75.94 | 74.40 | a | 73.97 | 80.97 | 77.87 | 71.39 | 72.73 | ||||||||||||
1970 | 67.13 | 71.46 | 72.35 | 74.10 | 73.29 | 69.67 | 68.94 | 69.31 | b | 73.43 | b | 71.00 | a | 67.00 | 59.94 | 69.80 | ||||||||||
1971 | 62.65 | 65.75 | 65.55 | 67.75 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.65 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 66.48 | 68.46 | 69.15 | 70.82 | 71.89 | 73.23 | 74.17 | 75.56 | 76.53 | 77.73 | 71.60 | 66.79 | 72.13 | |||||||||||||
S.D. | 2.07 | 3.43 | 3.05 | 3.33 | 2.03 | 2.96 | 2.72 | 3.02 | 2.45 | 4.62 | 4.15 | 3.68 | 1.53 | |||||||||||||
SKEW | -0.62 | -0.41 | 0.09 | -1.21 | -0.75 | -0.04 | -0.89 | -1.05 | -0.00 | 0.03 | 0.61 | -0.51 | -0.17 | |||||||||||||
MAX | 69.03 | 72.07 | 72.68 | 74.10 | 73.48 | 77.37 | 77.52 | 78.94 | 79.73 | 84.97 | 77.87 | 71.39 | 74.31 | |||||||||||||
MIN | 62.65 | 62.75 | 65.55 | 64.13 | 68.65 | 69.67 | 68.94 | 69.31 | 73.43 | 71.00 | 67.00 | 59.94 | 69.80 | |||||||||||||
YRS | 8 | 8 | 8 | 7 | 7 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 6 |