YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 25.80 | t | 24.65 | 24.65 | k | |
1960 | 17.52 | 19.71 | a | 31.93 | a | 36.60 | 45.29 | 59.07 | a | 62.29 | 60.26 | 53.38 | a | 40.39 | h | 33.17 | g | 19.13 | 40.52 | b | ||||||
1961 | 18.61 | 23.89 | 28.39 | 33.08 | f | ----- | z | 57.37 | 60.06 | 57.76 | b | 48.33 | 38.87 | 29.57 | 17.90 | 38.08 | b | |||||||||
1962 | 16.07 | d | 26.57 | 23.26 | d | 38.09 | h | 37.42 | l | 50.37 | 59.52 | 60.26 | 54.52 | a | 42.21 | b | 32.39 | b | 23.32 | 38.85 | b | |||||
1963 | 15.26 | 24.07 | 28.67 | a | 34.79 | p | 44.33 | y | 51.72 | a | 62.68 | 57.39 | 54.90 | 43.75 | k | 29.58 | d | 23.59 | i | 40.53 | d | |||||
1964 | 13.06 | 16.71 | a | 23.13 | a | 30.43 | b | 46.03 | a | 52.37 | 60.63 | a | 57.76 | b | 50.64 | h | 44.19 | ----- | z | 24.17 | b | 36.85 | b | |||
1965 | 24.33 | a | 21.50 | f | 30.14 | i | 34.83 | a | 41.29 | 50.00 | 58.07 | c | 57.61 | 48.93 | a | 42.55 | 35.23 | 24.48 | 41.73 | b | ||||||
1966 | 18.39 | 19.48 | a | 30.03 | 34.96 | b | 48.67 | a | 54.24 | a | 61.45 | 59.33 | a | 50.70 | 39.42 | 33.32 | b | 19.71 | 39.14 | |||||||
1967 | 15.20 | a | 21.36 | 29.80 | a | 28.71 | f | 43.52 | d | 51.14 | h | 58.00 | f | 56.66 | b | 49.00 | a | 40.19 | 32.93 | 15.30 | a | 33.77 | c | |||
1968 | 16.40 | a | 29.00 | 30.42 | 33.00 | b | 41.10 | b | 55.26 | g | 58.00 | h | 54.35 | h | 48.83 | f | 41.96 | g | 29.90 | 19.77 | a | 28.51 | e | |||
1969 | 27.30 | a | 25.04 | 24.65 | 35.79 | a | 47.33 | a | 52.89 | b | 60.03 | 60.23 | 55.23 | 37.00 | a | 29.23 | 26.60 | a | 40.11 | |||||||
1970 | 22.83 | a | 28.16 | c | 25.26 | 24.25 | n | 41.90 | b | 47.37 | 58.65 | 59.74 | 47.67 | 34.90 | 32.30 | 24.39 | 38.47 | a | ||||||||
1971 | 21.16 | 23.82 | 28.77 | 34.03 | 41.26 | 55.23 | 61.74 | 58.74 | 48.24 | a | 36.58 | 29.63 | 20.93 | a | 38.35 | |||||||||||
1972 | 22.74 | 27.03 | 35.71 | 36.57 | 44.39 | 54.47 | 61.10 | 57.43 | a | 53.33 | 43.57 | a | 26.07 | 19.50 | a | 40.16 | ||||||||||
1973 | 17.26 | 25.46 | 27.42 | 32.07 | 45.39 | 53.20 | 59.90 | 58.70 | a | 49.93 | b | 42.63 | a | 32.07 | 24.90 | 39.08 | ||||||||||
1974 | 20.00 | 21.50 | 34.00 | 32.77 | 45.42 | 58.86 | b | 59.19 | 57.03 | 51.07 | a | 42.39 | 30.43 | 19.94 | 39.38 | |||||||||||
1975 | 19.81 | 23.43 | 29.29 | 31.10 | 37.83 | a | 50.60 | 58.65 | 58.55 | 50.80 | 39.39 | 27.33 | 21.90 | 37.39 | ||||||||||||
1976 | 20.42 | 27.86 | 26.35 | 33.67 | 46.48 | 52.23 | 57.55 | 56.39 | 50.41 | a | 38.06 | 29.03 | 21.03 | 38.29 | ||||||||||||
1977 | 17.00 | d | 23.93 | 24.19 | 37.77 | 40.27 | a | 56.93 | 59.23 | 59.84 | 54.23 | 44.42 | 32.23 | 31.26 | 40.11 | |||||||||||
1978 | 25.16 | 24.57 | 33.29 | 35.63 | 39.97 | 57.67 | 61.61 | 58.84 | 51.53 | 44.42 | 32.57 | 17.94 | 40.27 | |||||||||||||
1979 | 16.61 | 22.18 | 28.65 | 35.63 | 42.38 | b | 52.80 | 59.58 | 57.35 | 55.10 | 44.03 | 25.55 | a | 23.55 | 38.62 | |||||||||||
1980 | 25.97 | 28.97 | 27.00 | 37.22 | u | 40.26 | 56.37 | 60.35 | 59.55 | 52.87 | 38.87 | 30.50 | 29.71 | 40.95 | a | |||||||||||
1981 | 26.42 | 26.32 | 27.13 | 38.97 | 43.23 | 57.00 | b | 60.35 | 57.16 | 53.60 | 41.00 | 33.03 | 29.45 | 41.14 | ||||||||||||
1982 | 23.20 | u | 22.32 | 29.83 | a | 35.40 | 42.32 | 50.20 | 57.37 | a | 57.74 | 52.25 | b | 37.07 | a | 30.10 | 22.68 | 39.75 | a | |||||||
1983 | 21.07 | a | 26.32 | 28.87 | 29.73 | 37.53 | a | 50.47 | 57.87 | 57.29 | 54.07 | 42.73 | a | 29.37 | 25.48 | 38.40 | ||||||||||
1984 | 18.71 | 18.95 | j | 26.52 | b | 32.21 | a | 47.97 | 51.87 | 57.80 | a | 57.87 | a | 52.93 | a | 37.23 | a | 29.68 | b | 23.10 | 39.62 | a | ||||
1985 | 10.68 | 5.81 | b | ----- | z | 51.75 | v | 48.23 | 55.14 | a | 59.28 | b | 59.71 | 47.40 | 42.68 | 31.43 | b | 25.32 | 38.57 | b | ||||||
1986 | 27.19 | 20.67 | p | 32.96 | e | 37.38 | a | 46.12 | e | 54.63 | k | 57.90 | 60.80 | a | 49.76 | a | 38.10 | 29.23 | 24.82 | c | 40.43 | b | ||||
1987 | 21.10 | a | 28.28 | c | 27.59 | b | 35.31 | a | 43.18 | c | 53.43 | b | 59.06 | 57.76 | b | 48.68 | h | 44.17 | a | 28.63 | 19.97 | b | 38.04 | a | ||
1988 | 18.94 | 25.33 | h | 26.28 | b | 33.46 | f | 43.96 | e | 55.04 | b | 60.34 | b | 56.85 | e | 48.52 | a | 45.97 | a | 30.55 | a | 20.94 | 40.74 | b | ||
1989 | 19.94 | 24.00 | a | 34.45 | b | 43.40 | 44.97 | 53.93 | 60.58 | 57.58 | 50.73 | 39.74 | 31.30 | 20.84 | 40.12 | |||||||||||
1990 | 20.94 | 22.93 | 32.10 | 39.04 | b | 45.23 | 51.93 | a | 58.97 | 55.41 | b | 54.09 | h | 42.00 | 31.39 | b | 15.62 | b | 37.78 | a | ||||||
1991 | 19.97 | a | 27.92 | b | 28.58 | 34.23 | 44.26 | d | 52.90 | 59.67 | a | 59.45 | 52.80 | 44.63 | a | 29.07 | b | 19.78 | d | 39.44 | ||||||
1992 | 15.74 | 28.00 | 33.61 | c | 42.59 | c | 46.94 | 52.57 | 58.00 | b | 57.29 | 53.40 | 45.42 | 25.00 | 19.19 | 39.81 | ||||||||||
1993 | 26.74 | 27.80 | c | 32.03 | a | 37.18 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.94 | h | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 19.96 | 24.08 | 29.07 | 35.40 | 43.76 | 53.61 | 59.66 | 58.26 | 51.57 | 41.15 | 30.28 | 22.34 | 39.36 | |||||||||||||
S.D. | 4.19 | 4.62 | 3.33 | 3.31 | 2.97 | 2.85 | 1.43 | 1.34 | 2.43 | 3.04 | 2.31 | 3.78 | 0.97 | |||||||||||||
SKEW | 0.10 | -2.15 | 0.12 | 0.58 | -0.30 | 0.14 | 0.27 | 0.15 | -0.15 | -0.28 | -0.36 | 0.40 | -0.23 | |||||||||||||
MAX | 27.30 | 29.00 | 35.71 | 43.40 | 48.67 | 59.07 | 62.68 | 60.80 | 55.23 | 45.97 | 35.23 | 31.26 | 41.14 | |||||||||||||
MIN | 10.68 | 5.81 | 23.13 | 29.73 | 37.53 | 47.37 | 57.37 | 55.41 | 47.40 | 34.90 | 25.00 | 15.30 | 37.39 | |||||||||||||
YRS | 33 | 30 | 32 | 26 | 30 | 30 | 31 | 32 | 29 | 30 | 31 | 33 | 16 |