YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 46.97 | a | 56.82 | m | 65.06 | o | ----- | z | 60.04 | b | 46.85 | k | 38.76 | a | 22.32 | 42.02 | h | |
1959 | 23.24 | b | 20.43 | 28.03 | 37.47 | 47.55 | 53.22 | c | 62.38 | b | ----- | z | 55.63 | 47.00 | 38.90 | 30.46 | c | 40.39 | a | |||||||
1960 | 25.40 | a | 28.66 | 25.90 | 36.50 | 47.39 | 56.53 | 59.87 | 59.74 | 53.27 | 43.27 | a | 39.07 | a | 22.61 | 41.52 | ||||||||||
1961 | 20.71 | 23.82 | 28.58 | 36.63 | 44.52 | 56.20 | 59.61 | 61.61 | 58.10 | 47.33 | g | 38.43 | 29.26 | 41.59 | a | |||||||||||
1962 | 23.03 | a | 22.52 | a | 29.68 | 37.47 | 43.10 | 54.40 | 57.58 | 59.06 | 52.63 | 44.79 | b | 35.77 | 24.97 | 40.42 | ||||||||||
1963 | 24.06 | 19.57 | 31.35 | 35.90 | 45.65 | 55.73 | 62.26 | 59.26 | 53.50 | 46.77 | 41.67 | 23.26 | 41.58 | |||||||||||||
1964 | 25.13 | 23.52 | 29.32 | 36.03 | 45.00 | 54.47 | 61.53 | a | 56.32 | 52.13 | 44.40 | a | 35.93 | 29.87 | 41.14 | |||||||||||
1965 | 21.77 | 21.19 | a | 28.61 | 33.57 | 45.61 | 53.20 | 60.19 | 60.32 | 52.28 | a | 42.42 | 35.03 | 28.84 | 40.25 | |||||||||||
1966 | 24.60 | a | 24.75 | 31.24 | b | 33.73 | 44.29 | 55.23 | 61.58 | 59.94 | 51.52 | a | 44.35 | 38.37 | 29.34 | b | 41.58 | |||||||||
1967 | 28.77 | 21.61 | 26.87 | 34.27 | 40.48 | 52.97 | 63.16 | 60.74 | 53.03 | 46.42 | 34.37 | 27.97 | 40.89 | |||||||||||||
1968 | 20.65 | 19.76 | 30.19 | 37.77 | 43.65 | 53.83 | 62.94 | 59.32 | 52.07 | 49.42 | 37.40 | j | 28.29 | j | 42.96 | b | ||||||||||
1969 | 25.17 | a | 26.46 | 29.84 | 37.53 | 45.29 | 56.53 | 60.55 | 63.06 | 54.67 | 45.00 | 38.13 | 30.14 | i | 43.84 | a | ||||||||||
1970 | ----- | z | ----- | z | 27.88 | f | 36.93 | b | 47.10 | 55.63 | 62.21 | b | 60.13 | 54.63 | 43.90 | 38.50 | 28.09 | h | 49.88 | d | ||||||
1971 | 18.16 | 24.11 | 29.58 | 35.36 | b | 45.29 | 53.67 | c | 61.26 | d | 60.61 | h | 56.08 | e | 47.41 | d | 35.00 | j | 30.18 | n | 41.21 | c | ||||
1972 | 25.62 | g | 20.46 | e | 28.23 | 32.27 | d | 45.06 | 55.36 | e | 59.50 | i | 59.29 | j | 54.80 | j | 41.20 | f | 35.83 | f | 33.00 | x | 36.28 | g | ||
1973 | 26.70 | u | 24.85 | a | 34.44 | d | 39.33 | 46.87 | 58.08 | f | 62.90 | j | 64.00 | i | ----- | z | 44.92 | g | 36.25 | b | 30.79 | c | 35.42 | f | ||
1974 | 25.74 | d | 22.64 | f | 28.81 | e | 36.55 | h | 44.87 | 53.67 | f | 60.29 | g | 61.63 | a | 55.08 | d | 40.53 | a | 35.90 | a | 30.65 | 40.40 | d | ||
1975 | 28.40 | a | 25.07 | 27.93 | c | 33.58 | d | 47.52 | 54.59 | a | 63.31 | e | 61.17 | b | 53.27 | 47.00 | a | 39.13 | g | 27.41 | d | 42.66 | a | |||
1976 | 19.67 | a | 24.54 | c | 31.25 | c | 39.89 | c | 47.69 | b | 56.33 | c | 60.56 | f | 60.55 | k | 52.00 | f | 44.56 | d | 33.17 | 20.23 | e | 35.26 | c | |
1977 | 15.40 | a | 22.29 | 32.53 | a | 36.77 | d | 45.19 | e | 54.43 | b | 60.93 | b | 61.65 | 53.85 | d | 45.47 | a | 39.77 | d | 27.58 | 41.32 | ||||
1978 | 23.26 | 19.36 | 26.19 | 35.27 | 45.77 | 54.00 | g | 59.04 | c | 61.25 | c | 49.52 | g | 42.83 | g | 35.12 | f | 26.89 | c | 37.13 | d | |||||
1979 | 20.43 | c | 13.47 | k | ----- | z | 36.25 | j | 50.80 | k | 54.86 | h | 61.19 | o | 62.40 | p | ----- | z | ----- | z | ----- | z | ----- | z | 20.43 | k |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.27 | d | 63.40 | p | ----- | z | 60.89 | u | 47.97 | a | 38.80 | 23.79 | b | 41.96 | h | |
1981 | 18.81 | ----- | z | ----- | z | ----- | z | 50.55 | k | 59.76 | a | 65.19 | ----- | z | 56.93 | b | 47.77 | a | 41.62 | a | 31.90 | 46.00 | e | |||
1982 | 20.67 | a | 28.15 | b | 32.10 | a | 38.03 | 48.68 | 55.00 | 63.68 | 61.94 | 57.63 | 49.71 | 43.83 | 35.75 | c | 44.60 | |||||||||
1983 | 29.45 | 30.68 | 35.94 | 41.70 | 49.77 | 58.60 | 66.09 | i | ----- | z | 61.76 | a | 52.07 | a | 43.23 | 31.21 | b | 43.44 | b | |||||||
1984 | 27.93 | a | 33.85 | b | 30.38 | b | 40.43 | 50.47 | a | 59.90 | 64.87 | 66.58 | 57.60 | ----- | z | ----- | z | 35.55 | 46.76 | b | ||||||
1985 | 22.77 | 28.71 | ----- | z | ----- | z | ----- | z | ----- | z | 66.87 | 66.93 | a | 60.90 | ----- | z | ----- | z | ----- | z | 49.24 | g | ||||
1986 | ----- | z | 27.41 | a | 27.82 | c | ----- | z | ----- | z | 53.81 | c | ----- | z | 61.31 | o | 54.79 | a | 48.06 | m | 38.97 | 31.35 | 39.03 | f | ||
1987 | 20.19 | 14.54 | 25.42 | 39.79 | a | 48.67 | a | 55.00 | 60.97 | 56.16 | 57.10 | a | 43.77 | 38.21 | b | 25.14 | b | 40.41 | ||||||||
1988 | 21.03 | b | ----- | z | ----- | z | ----- | z | ----- | z | 49.83 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.03 | k |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | 49.24 | b | 58.38 | a | 62.36 | c | 64.27 | a | 57.69 | q | 47.39 | c | 36.87 | g | ----- | z | 56.33 | g |
1990 | 30.19 | 24.93 | 29.83 | a | 38.37 | 45.45 | 52.27 | 62.10 | b | 65.45 | 52.73 | 48.67 | a | 38.62 | a | ----- | z | 44.42 | a | |||||||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.55 | t | 64.81 | n | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.26 | 24.05 | 29.60 | 36.86 | 46.19 | 55.47 | 61.93 | 61.26 | 55.25 | 46.09 | 38.32 | 28.14 | 41.37 | |||||||||||||
S.D. | 3.75 | 4.17 | 2.51 | 2.39 | 2.20 | 2.03 | 2.09 | 2.83 | 2.87 | 2.63 | 2.66 | 4.06 | 1.24 | |||||||||||||
SKEW | 0.12 | 0.17 | 0.59 | 0.03 | -0.21 | 0.67 | 0.27 | 0.34 | 0.75 | 0.13 | 0.19 | -0.07 | 1.86 | |||||||||||||
MAX | 30.19 | 33.85 | 35.94 | 41.70 | 50.47 | 59.90 | 66.87 | 66.93 | 61.76 | 52.07 | 43.83 | 35.75 | 44.60 | |||||||||||||
MIN | 15.40 | 14.54 | 25.42 | 32.27 | 40.48 | 52.27 | 57.58 | 56.16 | 51.52 | 40.53 | 33.17 | 20.23 | 40.25 | |||||||||||||
YRS | 26 | 25 | 25 | 24 | 27 | 26 | 23 | 21 | 25 | 23 | 23 | 23 | 10 |