YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.68 | 61.27 | 55.84 | 49.18 | 39.97 | 25.17 | 23.48 | 44.23 | e | |||||||
1960 | 16.92 | 23.09 | a | 30.73 | 39.65 | 45.73 | 55.26 | a | 65.26 | 56.82 | 51.92 | 42.85 | 28.05 | 19.69 | 39.66 | |||||||||||
1961 | 23.29 | 28.41 | 31.31 | 39.07 | 48.66 | 60.19 | a | 62.63 | 65.71 | 48.93 | 38.60 | a | 23.97 | 19.40 | 40.85 | |||||||||||
1962 | 15.31 | 25.43 | 27.84 | 42.20 | 46.45 | 54.40 | 59.68 | 57.79 | 53.70 | 43.06 | ----- | z | 25.76 | 41.06 | a | |||||||||||
1963 | 18.13 | a | 32.57 | 33.68 | 38.95 | 48.40 | a | 55.57 | 57.28 | a | 60.42 | 57.25 | 43.52 | 27.43 | a | 22.35 | 41.30 | |||||||||
1964 | 21.45 | 25.40 | 28.39 | 38.28 | 47.10 | a | 53.80 | 60.27 | 54.70 | a | 47.60 | a | 41.58 | a | 28.37 | 16.03 | 38.58 | |||||||||
1965 | 21.95 | 24.66 | 25.56 | 40.67 | 45.87 | a | 55.23 | b | 62.02 | a | 60.39 | 47.30 | 44.84 | 31.78 | a | 21.90 | 40.18 | |||||||||
1966 | 20.53 | 26.48 | 29.48 | a | 39.80 | 50.34 | 52.47 | 58.16 | 58.52 | 56.29 | a | 40.75 | a | 31.68 | 26.16 | 40.89 | ||||||||||
1967 | 25.27 | 28.30 | 28.97 | 36.32 | 47.44 | 57.85 | 60.98 | 64.82 | 58.79 | b | 41.40 | b | 29.66 | a | 20.90 | a | 41.72 | |||||||||
1968 | 19.76 | 28.84 | 34.23 | 37.48 | 47.16 | 52.23 | 61.27 | 56.10 | 51.85 | 38.78 | a | 29.15 | 15.39 | 39.35 | ||||||||||||
1969 | 7.56 | 21.13 | a | 31.55 | 39.98 | 50.84 | 59.33 | a | 58.29 | 58.42 | a | 52.18 | 39.43 | b | 31.14 | b | 24.89 | 39.56 | ||||||||
1970 | 19.58 | a | 29.70 | 29.39 | 36.41 | a | 48.15 | a | 59.43 | 62.52 | 62.05 | 47.97 | 39.73 | 27.53 | 19.60 | a | 40.17 | |||||||||
1971 | 24.39 | 27.43 | 24.48 | 38.28 | 51.47 | b | 51.68 | b | 59.82 | 64.95 | 47.40 | 38.29 | 30.17 | a | 15.29 | 39.47 | ||||||||||
1972 | 14.61 | 24.79 | 33.13 | a | 36.52 | 50.44 | 54.20 | 58.19 | d | 61.52 | 47.03 | a | 40.60 | a | 31.12 | 18.40 | 39.21 | |||||||||
1973 | 18.66 | b | 27.43 | 33.48 | 40.52 | a | 48.62 | a | 55.03 | a | 61.15 | a | 59.66 | 54.13 | 40.28 | a | 25.30 | 25.92 | 40.85 | |||||||
1974 | 18.08 | 27.41 | 30.62 | a | 41.47 | 44.84 | 57.27 | 58.20 | a | 59.98 | 53.80 | 44.21 | 30.12 | 24.23 | 40.85 | |||||||||||
1975 | 18.10 | 20.91 | 27.50 | a | 36.57 | a | 47.32 | 53.91 | a | 64.44 | 55.95 | 52.78 | 39.13 | 28.33 | c | 23.33 | b | 39.02 | ||||||||
1976 | 22.25 | a | 24.84 | 27.58 | 39.70 | 48.06 | 50.98 | 58.98 | a | 56.84 | b | 53.95 | 40.92 | 30.05 | a | 23.11 | 39.77 | |||||||||
1977 | 16.56 | 28.41 | 29.31 | 42.93 | 44.19 | 56.45 | 58.76 | 62.57 | a | 48.80 | b | 40.23 | 24.82 | b | 18.38 | b | 39.28 | |||||||||
1978 | 20.92 | 27.80 | a | 33.84 | 41.21 | b | 46.26 | 56.92 | 61.98 | c | 58.18 | a | 50.48 | a | 41.52 | 24.95 | 14.68 | 39.89 | ||||||||
1979 | 12.37 | h | 22.04 | c | 34.10 | k | 40.29 | a | 50.17 | b | 55.93 | a | 62.53 | a | 62.50 | b | 55.58 | 46.40 | 27.82 | b | 26.66 | b | 44.99 | b | ||
1980 | 14.93 | b | 22.35 | e | 30.97 | 44.11 | b | 50.60 | g | 52.26 | a | 58.26 | 54.98 | b | 50.93 | a | 42.40 | 30.44 | d | 26.66 | f | 40.16 | b | |||
1981 | 29.40 | 30.11 | a | 37.95 | a | 39.85 | c | 49.33 | a | 51.57 | b | 57.12 | a | 64.61 | 55.00 | b | 41.52 | 31.57 | b | 21.87 | 42.49 | |||||
1982 | 20.27 | c | 23.76 | c | 30.52 | 36.35 | c | ----- | z | 60.09 | b | 58.19 | d | 58.76 | 50.00 | f | 42.21 | e | 26.85 | d | 20.54 | e | 37.75 | b | ||
1983 | 26.31 | b | 30.44 | c | 35.27 | c | 40.31 | c | 49.52 | b | 53.82 | k | 55.42 | e | 60.47 | b | 48.17 | d | 42.52 | d | 34.95 | j | 16.40 | j | 43.16 | c |
1984 | 25.26 | f | 27.24 | b | ----- | z | 37.04 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.14 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 19.75 | 26.36 | 30.69 | 39.36 | 48.02 | 55.28 | 60.11 | 59.70 | 51.71 | 41.39 | 28.50 | 21.22 | 40.16 | |||||||||||||
S.D. | 4.58 | 3.05 | 3.21 | 2.15 | 1.99 | 2.75 | 2.41 | 3.27 | 3.47 | 2.03 | 2.44 | 3.68 | 1.01 | |||||||||||||
SKEW | -0.33 | -0.11 | 0.19 | 0.21 | -0.09 | 0.29 | 0.26 | 0.28 | 0.28 | 0.56 | -0.35 | -0.28 | 0.60 | |||||||||||||
MAX | 29.40 | 32.57 | 37.95 | 44.11 | 51.47 | 60.19 | 65.26 | 65.71 | 58.79 | 46.40 | 31.78 | 26.66 | 42.49 | |||||||||||||
MIN | 7.56 | 20.91 | 24.48 | 36.32 | 44.19 | 50.98 | 55.42 | 54.70 | 47.03 | 38.29 | 23.97 | 14.68 | 38.58 | |||||||||||||
YRS | 23 | 25 | 23 | 25 | 22 | 24 | 25 | 25 | 24 | 25 | 23 | 23 | 19 |