YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1969 | 43.73 | a | 38.11 | 46.16 | 51.29 | b | 61.23 | 67.50 | 72.84 | 76.74 | 68.00 | 55.52 | 44.70 | 44.77 | 55.88 | |||||||||||
1970 | 44.55 | 42.71 | 45.68 | 45.67 | 62.06 | 70.43 | 73.97 | 71.74 | 66.50 | 57.13 | 52.93 | 41.06 | 56.20 | |||||||||||||
1971 | 44.81 | 44.11 | 50.26 | 51.13 | 55.94 | 68.62 | a | 76.45 | 72.58 | 69.17 | 52.76 | b | 47.30 | 37.00 | 55.84 | |||||||||||
1972 | 45.33 | a | 46.62 | 55.10 | 53.70 | 61.03 | 67.97 | 77.42 | 70.79 | c | 64.79 | a | 49.92 | f | 44.47 | 41.06 | 57.12 | a | ||||||||
1973 | 40.74 | 38.79 | 39.06 | 47.77 | 62.00 | c | 72.53 | 76.81 | 71.55 | 69.04 | g | 62.44 | o | 47.74 | k | 47.56 | d | 55.20 | c | |||||||
1974 | 41.78 | d | 44.67 | d | 46.33 | d | 52.97 | a | 63.74 | 74.39 | b | 71.68 | 72.39 | c | 68.12 | e | 55.26 | h | 49.50 | d | 39.92 | e | 56.86 | a | ||
1975 | 47.25 | c | 42.54 | 43.96 | d | 43.66 | a | 58.17 | b | 69.43 | b | 76.04 | e | 74.11 | d | 67.04 | f | 58.30 | h | 52.18 | b | 44.94 | 55.23 | b | ||
1976 | 45.81 | 42.96 | b | 46.15 | d | 47.85 | d | 62.44 | f | 70.20 | j | 73.38 | e | 71.75 | g | 60.18 | h | 55.62 | j | 50.67 | i | 43.19 | d | 49.89 | f | |
1977 | 40.19 | e | 46.75 | d | 41.60 | p | 54.48 | e | 51.63 | l | 71.22 | l | 74.71 | j | 73.81 | o | 67.05 | h | 60.05 | k | 53.79 | k | 47.21 | b | 47.16 | h |
1978 | 40.62 | b | 38.95 | f | 42.33 | g | 45.90 | j | 58.65 | k | 73.27 | s | ----- | z | 72.86 | i | 68.46 | q | 65.73 | p | 47.33 | o | 41.16 | l | 40.62 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.48 | 43.03 | 46.59 | 49.83 | 60.60 | 70.13 | 74.82 | 72.84 | 67.32 | 55.13 | 48.51 | 42.97 | 55.98 | |||||||||||||
S.D. | 2.48 | 3.02 | 4.64 | 3.77 | 2.65 | 2.53 | 2.12 | 2.01 | 1.70 | 2.21 | 3.64 | 3.51 | 0.20 | |||||||||||||
SKEW | -0.06 | -0.44 | 0.34 | -0.32 | -0.75 | 0.67 | -0.18 | 1.09 | -0.54 | -0.31 | 0.06 | -0.21 | 0.68 | |||||||||||||
MAX | 47.25 | 46.75 | 55.10 | 54.48 | 63.74 | 74.39 | 77.42 | 76.74 | 69.17 | 57.13 | 52.93 | 47.56 | 56.20 | |||||||||||||
MIN | 40.19 | 38.11 | 39.06 | 43.66 | 55.94 | 67.50 | 71.68 | 70.79 | 64.79 | 52.76 | 44.47 | 37.00 | 55.84 | |||||||||||||
YRS | 10 | 9 | 8 | 9 | 7 | 7 | 8 | 7 | 5 | 3 | 6 | 9 | 3 |