YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.27 | 30.57 | c | 16.78 | c | 11.45 | b | 24.02 | h | |
1960 | 11.79 | b | 15.96 | b | 26.20 | a | 26.90 | 31.80 | a | 43.74 | c | 48.93 | a | 43.20 | a | 39.04 | b | 27.74 | 21.96 | e | 18.47 | a | 29.64 | |||
1961 | 16.52 | 24.56 | a | 25.57 | a | 26.27 | 32.74 | 47.03 | a | 49.89 | c | 48.74 | d | 34.44 | e | 29.30 | a | 17.11 | c | 18.13 | a | 30.86 | ||||
1962 | 4.43 | c | 17.74 | a | 19.13 | 31.53 | 33.48 | 42.29 | b | 46.17 | b | 43.55 | 39.19 | d | 31.81 | 24.92 | e | 22.52 | d | 29.73 | ||||||
1963 | 9.07 | b | 28.71 | 22.03 | a | 24.11 | b | 39.31 | e | 40.17 | 42.79 | b | 43.34 | b | 41.73 | 33.07 | c | 25.37 | c | 18.00 | 30.64 | |||||
1964 | 12.23 | a | 10.71 | a | 18.97 | b | 25.96 | b | 32.23 | e | 39.41 | c | 46.86 | b | 41.24 | b | 32.84 | e | 30.84 | 18.18 | b | 22.73 | a | 27.68 | ||
1965 | 16.77 | 19.11 | 22.10 | 31.27 | d | 31.17 | a | 41.27 | 44.11 | d | 44.06 | 33.44 | c | 30.32 | 25.14 | a | 15.73 | e | 29.54 | |||||||
1966 | 15.90 | 13.18 | 21.45 | 28.70 | 35.70 | d | 40.60 | 44.74 | d | 48.40 | a | 38.43 | 26.00 | c | 25.97 | 19.86 | b | 29.91 | ||||||||
1967 | 18.31 | b | 21.19 | a | 22.37 | d | 23.59 | a | 32.52 | d | 41.33 | 49.60 | a | 49.83 | a | 46.94 | n | 27.42 | 25.43 | 8.59 | d | 29.11 | a | |||
1968 | 13.19 | ----- | z | 25.43 | a | 24.37 | 32.32 | 41.43 | 50.45 | 42.87 | 35.39 | b | 29.13 | 22.70 | 18.10 | 30.49 | a | |||||||||
1969 | 18.61 | 15.93 | 16.26 | 27.55 | a | 36.63 | a | 46.00 | k | 47.97 | 43.47 | a | 38.55 | a | 26.30 | a | 20.66 | a | 19.77 | 28.34 | a | |||||
1970 | 19.90 | b | 23.75 | 22.81 | 22.77 | 33.90 | b | 43.20 | 47.40 | a | 43.94 | 31.50 | d | 24.90 | 27.57 | 11.83 | a | 29.45 | ||||||||
1971 | 19.81 | 18.00 | a | 18.35 | 26.50 | 32.26 | 38.50 | 46.61 | 48.58 | 33.70 | 25.58 | 23.39 | b | 12.26 | 28.63 | |||||||||||
1972 | 12.00 | 19.14 | 27.35 | 26.23 | 35.10 | a | 42.23 | 47.16 | 46.81 | 36.03 | 29.77 | 21.57 | 11.62 | b | 29.59 | |||||||||||
1973 | 12.65 | 19.14 | 22.06 | 28.77 | 38.13 | 40.97 | 49.42 | 44.35 | 38.00 | a | 27.10 | a | 28.18 | h | 22.81 | 31.22 | a | |||||||||
1974 | 14.19 | d | 16.25 | 20.17 | b | 25.33 | 33.42 | 43.97 | 46.71 | 46.00 | g | 37.40 | 24.87 | a | 23.06 | m | 12.30 | a | 27.46 | b | ||||||
1975 | 10.61 | h | 15.00 | j | 19.57 | a | 20.52 | c | 30.30 | k | 36.15 | q | 48.97 | a | 44.00 | k | 37.61 | b | 26.56 | f | ----- | z | 13.71 | n | 31.66 | h |
1976 | 13.83 | a | 17.59 | 13.38 | b | 23.36 | p | 32.28 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 19.27 | h | |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.95 | j | 16.10 | 19.76 | f | 16.10 | k | |
1980 | 15.39 | 26.15 | b | 21.70 | k | 25.63 | 35.93 | c | 35.47 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.71 | g | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.39 | 19.19 | 21.36 | 26.24 | 34.05 | 41.44 | 47.36 | 45.17 | 36.54 | 28.42 | 22.19 | 16.51 | 29.57 | |||||||||||||
S.D. | 4.00 | 4.74 | 3.64 | 2.84 | 2.36 | 2.65 | 2.18 | 2.72 | 2.77 | 2.54 | 3.71 | 4.60 | 0.91 | |||||||||||||
SKEW | -0.70 | 0.34 | -0.30 | 0.13 | 0.87 | -0.16 | -0.50 | 0.50 | -0.15 | 0.15 | -0.38 | -0.14 | -0.64 | |||||||||||||
MAX | 19.90 | 28.71 | 27.35 | 31.53 | 39.31 | 47.03 | 50.45 | 49.83 | 41.73 | 33.07 | 27.57 | 22.81 | 30.86 | |||||||||||||
MIN | 4.43 | 10.71 | 13.38 | 20.52 | 31.17 | 35.47 | 42.79 | 41.24 | 31.50 | 24.87 | 16.10 | 8.59 | 27.68 | |||||||||||||
YRS | 17 | 16 | 17 | 17 | 17 | 15 | 16 | 14 | 16 | 16 | 15 | 16 | 10 |