YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.22 | u | 26.39 | c | 26.39 | k |
1962 | 19.35 | d | 27.93 | a | 33.44 | 46.69 | a | 46.82 | a | 56.63 | 61.89 | 60.55 | a | 57.08 | 45.84 | ----- | z | 26.62 | r | 45.62 | b | |||||
1963 | 23.29 | 39.73 | 36.81 | 39.69 | a | 51.00 | e | 55.21 | b | ----- | z | 64.40 | f | 60.48 | c | 46.80 | h | 36.14 | i | 27.10 | 41.66 | d | ||||
1964 | 23.10 | 23.68 | a | 29.45 | c | 39.26 | e | 46.65 | 56.12 | 63.41 | b | 60.63 | 54.70 | b | 47.65 | a | 35.15 | g | 28.55 | 43.02 | a | |||||
1965 | 25.71 | g | 34.17 | b | 35.14 | c | 44.50 | 46.53 | b | 56.78 | 62.61 | 60.72 | a | 49.87 | d | 48.63 | 36.88 | b | 24.79 | e | 45.51 | a | ||||
1966 | 25.65 | d | 26.77 | 37.19 | m | 45.02 | 54.17 | a | 56.41 | c | 63.15 | 63.61 | 59.16 | a | 45.79 | 37.12 | a | 28.63 | 45.95 | a | ||||||
1967 | 29.72 | b | 33.70 | a | 34.77 | 35.76 | a | 49.15 | a | 58.02 | b | 66.26 | 68.74 | 60.57 | a | 44.92 | 36.07 | b | 25.50 | 45.27 | ||||||
1968 | 25.97 | a | 37.81 | c | 38.03 | a | 39.00 | b | 48.84 | b | 58.22 | a | ----- | z | 62.02 | a | 55.90 | a | 44.57 | a | 36.33 | a | 26.32 | a | 43.00 | a |
1969 | 25.24 | 24.79 | 31.20 | a | 44.02 | c | 53.70 | a | 58.55 | a | 63.52 | d | 63.97 | b | 58.00 | 41.45 | a | 35.15 | 29.22 | b | 44.07 | |||||
1970 | 28.81 | 35.08 | b | 35.34 | b | 36.36 | a | 50.12 | a | 60.77 | 66.73 | c | 65.66 | c | 53.70 | j | 39.33 | m | 36.81 | a | 22.92 | 43.86 | b | |||
1971 | 28.40 | a | 32.27 | d | 32.40 | a | 41.31 | d | 51.48 | d | 55.19 | a | 65.42 | 67.47 | 50.32 | b | 42.27 | 34.71 | a | 23.27 | a | 43.71 | ||||
1972 | 21.64 | c | 30.59 | a | 40.52 | a | 40.05 | b | 51.86 | c | 58.64 | a | 65.07 | b | 65.69 | b | 49.73 | b | 45.57 | a | 34.75 | d | 19.82 | 43.66 | ||
1973 | 26.00 | 34.13 | a | 36.80 | a | 43.63 | c | 53.87 | d | 57.45 | b | 66.38 | b | 64.18 | a | 56.02 | i | 44.92 | a | 33.00 | b | 31.74 | 44.74 | a | ||
1974 | 24.83 | b | 32.02 | a | 36.65 | 42.85 | 48.58 | 61.40 | 63.35 | 63.15 | 57.98 | 44.48 | 34.50 | 27.05 | 44.74 | |||||||||||
1975 | 23.08 | 27.78 | a | 33.85 | 36.40 | a | 49.17 | a | 54.88 | 67.76 | 59.31 | 57.93 | a | 45.13 | 33.23 | 29.25 | a | 43.15 | ||||||||
1976 | 25.90 | a | 28.72 | 34.35 | 42.60 | a | 53.30 | a | 54.71 | d | 65.40 | a | 59.56 | 57.88 | 45.93 | a | 38.43 | c | 27.97 | a | 44.56 | |||||
1977 | 17.43 | b | 33.07 | 34.69 | 47.12 | 45.50 | b | 61.69 | a | 63.33 | a | 66.41 | c | 54.57 | b | 46.55 | 34.38 | b | 29.48 | 44.52 | ||||||
1978 | 28.47 | b | 31.21 | 43.23 | 43.03 | 48.29 | 57.36 | a | 65.17 | b | 62.43 | a | 53.48 | a | 47.82 | a | 29.45 | 21.87 | a | 44.32 | ||||||
1979 | 14.18 | 30.27 | 37.62 | a | 43.35 | c | 52.31 | e | 58.77 | b | 64.42 | a | 63.85 | a | 58.71 | a | 50.30 | a | 29.91 | a | 29.23 | 44.41 | ||||
1980 | 26.15 | 36.19 | 36.31 | 46.68 | b | 52.66 | 55.66 | b | 65.54 | c | 60.72 | d | 57.57 | 45.77 | 36.65 | 30.10 | 45.83 | |||||||||
1981 | 30.38 | a | 28.89 | 38.60 | a | 45.71 | a | 50.87 | d | 56.47 | 62.84 | c | 66.12 | a | 56.32 | 44.05 | a | 37.13 | 30.52 | d | 45.66 | |||||
1982 | 20.42 | 28.00 | a | 36.23 | a | ----- | z | 40.11 | d | 59.32 | b | 62.58 | a | 64.10 | b | 53.27 | d | 45.14 | c | 29.61 | b | 24.27 | c | 42.10 | a | |
1983 | 29.60 | a | 33.76 | a | 38.84 | c | 40.08 | 50.76 | b | 55.00 | c | 62.04 | c | 64.38 | b | 54.21 | b | 47.15 | a | 35.75 | 22.55 | b | 44.51 | |||
1984 | 18.45 | a | 25.28 | 36.07 | a | 41.06 | e | 51.83 | e | 54.59 | b | 66.37 | 64.47 | a | 54.02 | b | 41.09 | b | 34.02 | a | 20.90 | a | 42.34 | |||
1985 | 18.79 | 23.43 | a | 32.16 | b | 46.30 | c | 52.21 | b | 59.52 | b | 69.02 | a | 61.14 | b | 48.76 | a | 42.85 | d | 23.66 | b | 14.26 | d | 41.01 | ||
1986 | 28.21 | 34.38 | b | 42.18 | c | 43.21 | a | 51.60 | 62.52 | 61.20 | c | 67.97 | b | 50.62 | b | 46.35 | e | 37.57 | c | 27.42 | 46.10 | |||||
1987 | 23.44 | 32.34 | c | 39.56 | g | 48.64 | e | 53.83 | b | 60.72 | a | 60.82 | a | 62.16 | 59.06 | d | 49.63 | 33.67 | g | 24.10 | e | 47.47 | b | |||
1988 | 23.00 | a | 32.96 | d | 38.20 | a | 46.85 | c | 49.87 | a | 58.83 | c | 66.46 | c | 63.76 | 56.03 | a | 52.86 | c | 32.59 | b | 24.02 | 45.45 | |||
1989 | 21.15 | a | 22.98 | f | 38.23 | 46.95 | a | 49.65 | 59.81 | a | 64.70 | a | 62.29 | e | 55.54 | c | 44.75 | a | 33.06 | c | 29.17 | a | 45.93 | a | ||
1990 | 30.35 | d | 27.42 | b | 40.29 | c | 49.80 | b | 50.00 | d | 62.36 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.37 | f |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.32 | 30.94 | 36.35 | 43.07 | 50.16 | 57.99 | 64.44 | 63.52 | 55.45 | 45.83 | 34.20 | 25.94 | 44.31 | |||||||||||||
S.D. | 4.27 | 4.20 | 3.23 | 3.77 | 3.05 | 2.42 | 2.07 | 2.55 | 3.43 | 2.65 | 3.35 | 3.88 | 1.30 | |||||||||||||
SKEW | -0.45 | -0.03 | 0.05 | -0.28 | -1.24 | 0.30 | 0.19 | 0.24 | -0.47 | 0.56 | -1.45 | -0.99 | -0.94 | |||||||||||||
MAX | 30.38 | 39.73 | 43.23 | 49.80 | 54.17 | 62.52 | 69.02 | 68.74 | 60.57 | 52.86 | 38.43 | 31.74 | 46.10 | |||||||||||||
MIN | 14.18 | 23.43 | 29.45 | 35.76 | 40.11 | 54.59 | 60.82 | 59.31 | 48.76 | 41.09 | 23.66 | 14.26 | 41.01 | |||||||||||||
YRS | 28 | 28 | 27 | 28 | 29 | 29 | 26 | 27 | 26 | 26 | 24 | 28 | 17 |