YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | 55.00 | 52.82 | 56.60 | a | 71.69 | 81.09 | b | 87.55 | a | 83.89 | 76.30 | 64.35 | 57.38 | 48.56 | 66.84 | a | ||||||||
1971 | 50.42 | 51.05 | 57.55 | 60.32 | 65.39 | 78.52 | 87.77 | a | 81.47 | 78.53 | 62.82 | 55.77 | 44.42 | a | 64.50 | |||||||||||
1972 | 49.77 | 55.90 | 65.83 | a | 64.74 | a | 71.05 | 79.95 | 88.52 | 81.61 | 77.67 | a | 64.24 | 51.58 | 46.77 | 66.47 | ||||||||||
1973 | 45.84 | 49.55 | 46.71 | 58.10 | 72.21 | 81.90 | 84.94 | 84.63 | 77.80 | 69.24 | 55.47 | 51.90 | 64.86 | |||||||||||||
1974 | 47.55 | 50.91 | 56.85 | 62.08 | 71.84 | 85.73 | 83.77 | 83.19 | 78.80 | 68.34 | 56.58 | 46.37 | 66.00 | |||||||||||||
1975 | 48.81 | 49.36 | 51.66 | 54.40 | 69.65 | 78.57 | 85.34 | 84.77 | 78.98 | 68.29 | 57.83 | 51.73 | 64.95 | |||||||||||||
1976 | 52.21 | 53.78 | 53.65 | 59.97 | 72.74 | 81.62 | 85.42 | a | 83.66 | 75.57 | 65.58 | 59.28 | 51.26 | 66.23 | ||||||||||||
1977 | 48.32 | 55.45 | 51.50 | 64.37 | 64.55 | 83.12 | 86.55 | 85.18 | 78.50 | 70.74 | 60.20 | 54.24 | 66.89 | |||||||||||||
1978 | 48.90 | 50.18 | 58.62 | f | 59.62 | 70.74 | 83.67 | 86.97 | 83.92 | 77.67 | 72.37 | 54.17 | 44.39 | 66.60 | a | |||||||||||
1979 | 41.73 | 48.62 | 51.79 | 60.68 | 68.42 | 80.75 | 85.18 | 80.83 | b | 82.35 | 69.32 | 52.35 | 52.09 | b | 64.51 | |||||||||||
1980 | 49.75 | m | 54.17 | 52.37 | a | 62.32 | 66.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.76 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.17 | 52.18 | 54.07 | 60.29 | 69.50 | 81.49 | 86.20 | 83.32 | 78.22 | 67.53 | 56.06 | 49.17 | 65.55 | |||||||||||||
S.D. | 3.01 | 2.71 | 5.11 | 3.12 | 2.93 | 2.26 | 1.50 | 1.51 | 1.82 | 3.13 | 2.80 | 3.53 | 0.95 | |||||||||||||
SKEW | -0.97 | 0.13 | 1.09 | -0.33 | -0.61 | 0.36 | 0.03 | -0.48 | 0.89 | -0.08 | -0.19 | -0.14 | 0.13 | |||||||||||||
MAX | 52.21 | 55.90 | 65.83 | 64.74 | 72.74 | 85.73 | 88.52 | 85.18 | 82.35 | 72.37 | 60.20 | 54.24 | 66.89 | |||||||||||||
MIN | 41.73 | 48.63 | 46.71 | 54.40 | 64.55 | 78.52 | 83.77 | 80.83 | 75.57 | 62.82 | 51.58 | 44.39 | 64.50 | |||||||||||||
YRS | 9 | 11 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 |