YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 47.29 | 57.20 | 66.65 | 68.05 | i | 50.04 | b | 51.77 | a | 41.47 | 31.25 | c | 49.38 | e | ||||
1966 | 27.07 | a | 28.52 | a | 35.84 | 43.03 | 56.10 | 65.52 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.11 | g | |||
1967 | ----- | z | 34.29 | n | 41.38 | b | 40.96 | b | 51.92 | f | 58.59 | c | 69.79 | b | 71.93 | c | 61.44 | c | 51.18 | c | 40.46 | b | 25.59 | b | 51.26 | c |
1968 | 30.45 | 39.69 | c | 40.85 | d | 42.11 | b | 51.39 | c | 59.54 | b | 64.12 | g | 63.20 | f | 59.17 | a | 50.04 | c | 38.90 | a | 26.30 | a | 43.84 | b | |
1969 | 34.97 | a | 31.96 | c | 36.45 | 46.43 | b | 55.34 | b | 59.27 | d | 67.24 | b | 69.65 | e | 60.70 | c | 44.79 | b | 39.43 | b | 34.07 | d | 48.36 | ||
1970 | 29.87 | a | 39.59 | f | 39.31 | b | 39.62 | f | 52.40 | f | 63.38 | d | 68.87 | a | 66.88 | e | 55.73 | 44.40 | f | 37.93 | b | 29.53 | a | 48.94 | d | |
1971 | 28.39 | c | 32.52 | c | 35.04 | c | 42.28 | e | 47.28 | b | 55.50 | b | 65.11 | c | 66.81 | d | 57.05 | i | 43.39 | c | 35.96 | c | 27.76 | b | 43.64 | a |
1972 | 28.00 | b | 33.50 | c | 42.74 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.75 | j |
1973 | ----- | z | ----- | z | 36.55 | b | 41.24 | a | 54.00 | e | 59.91 | h | 64.50 | c | 63.50 | e | 56.91 | s | 46.04 | c | 34.33 | c | 32.31 | e | 46.56 | d |
1974 | 28.03 | b | 31.56 | a | 38.32 | c | 42.00 | a | 51.54 | e | 61.66 | a | 65.23 | e | 62.67 | g | 59.42 | f | 52.44 | f | 36.75 | n | 29.21 | b | 43.44 | d |
1975 | 28.75 | c | 30.95 | g | 33.45 | b | 35.73 | 47.73 | a | 57.81 | c | 64.00 | a | 60.23 | 60.24 | a | 45.35 | 35.23 | 32.32 | c | 45.53 | a | ||||
1976 | 30.26 | h | 34.43 | a | 34.00 | 39.23 | 51.17 | a | 55.52 | a | 65.81 | 58.55 | 58.40 | 44.82 | i | 38.00 | j | 28.55 | b | 47.29 | c | |||||
1977 | 29.78 | d | 34.54 | b | 31.61 | c | 44.22 | c | 45.77 | 62.27 | 66.93 | a | 67.23 | a | 55.80 | 51.29 | 39.17 | 33.90 | 46.88 | |||||||
1978 | 34.52 | 34.46 | b | 42.67 | a | 41.50 | 48.06 | 57.63 | 63.90 | 63.03 | 56.10 | a | 53.52 | 36.76 | a | 27.19 | 46.61 | |||||||||
1979 | 26.29 | 29.96 | 38.23 | a | 43.14 | a | 53.00 | a | 58.59 | a | 64.42 | 61.71 | 60.87 | 49.68 | 34.00 | 32.87 | 46.06 | |||||||||
1980 | 33.78 | d | 37.04 | a | 35.10 | 43.79 | a | 50.17 | a | 55.73 | 64.17 | a | 60.87 | 58.90 | 48.67 | a | 38.63 | 37.00 | b | 46.99 | ||||||
1981 | 36.03 | 36.46 | 38.25 | g | 48.47 | 51.87 | 63.13 | 66.84 | 65.26 | d | 59.83 | a | 42.90 | 39.67 | 32.90 | 49.40 | a | |||||||||
1982 | 28.29 | 33.81 | a | 37.58 | 41.48 | a | 52.23 | 55.40 | 63.77 | 65.71 | 58.43 | 44.63 | a | 35.60 | 30.52 | 45.62 | ||||||||||
1983 | 33.47 | a | 37.19 | a | 38.06 | 39.24 | a | 49.77 | a | 57.33 | 62.90 | 65.65 | 60.53 | 48.73 | a | 36.80 | 30.45 | 46.68 | ||||||||
1984 | 32.68 | 32.21 | 38.13 | 40.90 | 55.74 | 60.00 | 67.58 | 65.48 | 59.07 | 43.03 | 35.27 | 30.13 | a | 46.68 | ||||||||||||
1985 | 31.42 | 30.11 | 36.00 | 46.80 | 51.71 | 60.70 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.21 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.69 | 33.62 | 37.14 | 42.36 | 51.12 | 58.74 | 65.75 | 64.83 | 58.35 | 47.67 | 37.48 | 30.66 | 46.74 | |||||||||||||
S.D. | 3.02 | 2.98 | 2.85 | 2.98 | 3.07 | 2.64 | 1.94 | 3.59 | 2.94 | 3.55 | 2.29 | 2.98 | 0.80 | |||||||||||||
SKEW | 0.32 | 0.23 | 0.10 | 0.07 | -0.01 | 0.41 | 0.52 | 0.09 | -1.57 | 0.05 | 0.07 | 0.15 | 0.79 | |||||||||||||
MAX | 36.03 | 39.69 | 42.67 | 48.47 | 56.10 | 63.38 | 69.79 | 71.93 | 61.44 | 53.52 | 41.47 | 37.00 | 48.36 | |||||||||||||
MIN | 26.29 | 28.52 | 31.61 | 35.73 | 45.77 | 55.40 | 62.90 | 58.55 | 50.04 | 42.90 | 34.00 | 25.59 | 45.62 | |||||||||||||
YRS | 17 | 16 | 18 | 18 | 18 | 17 | 17 | 15 | 15 | 15 | 16 | 18 | 8 |