YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | 38.04 | g | 36.55 | 44.14 | a | 49.00 | 48.97 | 38.20 | 39.61 | 31.92 | d | 22.60 | a | 38.87 | d | |||||
1966 | 25.07 | c | 23.75 | 28.74 | 31.50 | 39.03 | 41.57 | 46.16 | 49.71 | 42.78 | g | 31.23 | 29.25 | b | 25.97 | a | 33.82 | a | ||||||||
1967 | 24.56 | d | 26.04 | a | 26.15 | d | 25.68 | k | 36.10 | a | 44.04 | b | 49.84 | 50.81 | d | 45.04 | f | 33.35 | e | 28.14 | b | 17.58 | 33.66 | b | ||
1968 | ----- | z | 30.26 | b | 30.60 | a | 30.34 | a | 36.83 | a | 45.87 | g | 52.62 | b | ----- | z | 39.73 | d | 34.59 | d | 28.65 | d | 20.17 | g | 35.45 | d |
1969 | 21.69 | b | 22.64 | 25.03 | 32.67 | i | 39.96 | e | 45.19 | d | 50.17 | b | 44.85 | k | 44.25 | b | 33.65 | e | 29.04 | c | 25.89 | d | 33.75 | b | ||
1970 | 28.00 | 29.18 | 27.00 | 26.23 | 38.45 | b | 46.35 | d | 51.87 | 50.10 | 36.63 | 32.45 | b | 32.81 | d | 20.55 | b | 34.97 | ||||||||
1971 | 24.76 | b | 26.04 | d | 26.64 | f | 30.46 | d | 37.41 | d | 43.04 | g | 49.48 | h | 54.81 | j | 38.65 | g | 33.91 | i | 28.71 | m | ----- | z | 29.67 | h |
1972 | 21.38 | g | 27.50 | e | 31.56 | f | 27.18 | h | 37.61 | 44.89 | b | 51.11 | d | 48.61 | h | 37.91 | g | 33.57 | c | 28.21 | f | 12.17 | h | 38.94 | g | |
1973 | 22.78 | d | 27.79 | d | 26.92 | g | 28.48 | c | 39.83 | g | 43.82 | h | 48.50 | g | 50.96 | h | 42.30 | g | 34.48 | h | 29.55 | j | 28.50 | i | 26.35 | i |
1974 | 20.16 | l | 21.14 | f | 28.23 | i | 28.53 | m | 35.45 | i | 44.71 | i | 47.80 | a | 49.00 | l | 44.13 | g | 33.05 | j | 28.41 | h | 26.37 | l | 47.80 | k |
1975 | 24.34 | b | 25.50 | d | 26.56 | f | 27.57 | 36.93 | d | 43.77 | d | 54.72 | f | 46.33 | d | 43.40 | e | 35.04 | f | 26.14 | i | 27.67 | a | 34.44 | d | |
1976 | 24.62 | b | 23.70 | b | 21.89 | d | 27.93 | c | 36.90 | b | 41.21 | b | 52.04 | d | 47.60 | a | 45.15 | d | 34.57 | h | 27.79 | k | 21.83 | a | 34.29 | b |
1977 | 17.07 | a | 26.91 | f | 23.11 | d | 33.29 | b | 34.68 | c | 49.41 | c | 52.21 | c | 53.50 | a | 43.80 | 37.41 | i | 28.96 | e | 27.57 | a | 36.36 | b | |
1978 | 29.45 | b | 29.82 | 33.68 | 32.03 | 34.47 | a | 43.93 | a | 51.48 | 49.25 | g | 42.12 | e | 36.47 | a | 26.79 | k | 15.33 | g | 37.05 | c | ||||
1979 | 14.77 | a | 25.43 | 29.81 | 32.68 | b | 39.63 | d | 44.90 | a | 53.77 | 50.35 | 46.17 | 41.32 | 23.68 | h | 28.20 | a | 37.00 | a | ||||||
1980 | 23.00 | a | 32.41 | 25.86 | c | 33.93 | c | 38.87 | 41.07 | 53.74 | 46.96 | c | 43.14 | a | 36.44 | d | 30.18 | h | 27.68 | f | 37.54 | b | ||||
1981 | 27.12 | f | 24.83 | e | 29.42 | e | 32.40 | j | 36.04 | f | ----- | z | ----- | z | ----- | z | 40.96 | f | 32.79 | g | 32.46 | f | 28.06 | 27.44 | i | |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | 37.46 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.26 | c | ----- | z | 29.36 | j |
1983 | ----- | z | 30.19 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.19 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.34 | 27.01 | 27.39 | 30.40 | 37.39 | 44.20 | 50.91 | 49.37 | 42.26 | 35.27 | 28.75 | 24.59 | 34.97 | |||||||||||||
S.D. | 4.09 | 2.87 | 3.46 | 2.55 | 1.62 | 2.33 | 2.25 | 2.21 | 3.10 | 3.20 | 3.45 | 3.71 | 0.0 | |||||||||||||
SKEW | -0.75 | 0.27 | 0.11 | -0.21 | -0.19 | 0.57 | -0.68 | 0.33 | -0.64 | 0.72 | -1.20 | -0.67 | 0.00 | |||||||||||||
MAX | 29.45 | 32.41 | 33.68 | 33.93 | 39.96 | 49.41 | 53.77 | 53.50 | 46.17 | 41.32 | 32.81 | 28.20 | 34.97 | |||||||||||||
MIN | 14.77 | 22.64 | 21.89 | 26.23 | 34.47 | 41.07 | 46.16 | 46.33 | 36.63 | 31.23 | 21.26 | 17.58 | 34.97 | |||||||||||||
YRS | 12 | 15 | 11 | 11 | 15 | 12 | 13 | 9 | 10 | 10 | 8 | 10 | 1 |