YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.46 | d | 62.62 | e | 62.21 | b | 57.67 | f | 49.48 | f | 37.81 | c | 35.61 | 52.14 | g | |
1962 | 32.97 | b | 39.21 | 36.81 | 52.37 | 52.90 | 60.90 | 63.84 | 65.74 | 61.07 | 51.17 | b | 43.76 | a | 36.55 | 49.77 | ||||||||||
1963 | 32.00 | c | 38.71 | 39.30 | a | 45.97 | a | 56.55 | 61.10 | 66.39 | 63.45 | 61.50 | 53.90 | ----- | z | 33.74 | 50.24 | a | ||||||||
1964 | 29.52 | ----- | z | ----- | z | 45.72 | a | 54.58 | 62.33 | 65.87 | a | 63.32 | 58.93 | b | 51.67 | a | 37.71 | b | 35.06 | 50.47 | b | |||||
1965 | 36.03 | ----- | z | ----- | z | 46.78 | c | ----- | z | ----- | z | 65.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.38 | i | ||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 55.35 | 62.03 | 65.23 | 63.10 | 58.87 | 48.03 | 41.63 | 33.26 | 53.44 | d | ||||||||
1967 | 32.19 | 35.11 | 41.84 | 41.80 | 50.58 | 57.57 | 63.93 | b | 64.00 | a | 58.73 | ----- | z | ----- | z | 32.39 | 47.81 | b | ||||||||
1968 | 33.16 | 41.59 | 40.60 | a | 44.80 | 53.42 | 63.30 | 65.00 | ----- | z | 58.93 | 51.06 | 41.13 | 33.48 | 47.86 | a | ||||||||||
1969 | 39.77 | 36.86 | 36.61 | 48.67 | 55.23 | 62.47 | 67.48 | 66.77 | a | 61.43 | 50.42 | 41.17 | a | 37.10 | 50.33 | |||||||||||
1970 | 33.71 | 39.11 | 39.52 | 42.93 | a | 51.81 | 61.77 | 64.39 | 61.45 | 57.80 | 44.84 | 39.47 | 35.55 | 47.69 | ||||||||||||
1971 | 32.43 | a | 33.93 | 39.55 | 43.27 | 49.87 | 59.20 | 64.48 | 61.03 | 58.03 | 46.68 | 38.33 | 33.87 | a | 46.72 | |||||||||||
1972 | 32.06 | 35.79 | 44.19 | 43.40 | 49.77 | 59.67 | 64.19 | 61.03 | 57.00 | 50.16 | 35.37 | 34.71 | 47.28 | |||||||||||||
1973 | 31.84 | 35.50 | 35.29 | 40.83 | 52.19 | 60.43 | 63.03 | 62.03 | 57.23 | 48.10 | 40.23 | 34.03 | 46.73 | |||||||||||||
1974 | 33.26 | 32.50 | 40.74 | 43.55 | a | 54.35 | 65.90 | 64.74 | 61.71 | 57.47 | 49.81 | 38.77 | 31.35 | 47.85 | ||||||||||||
1975 | 32.97 | 33.25 | 37.65 | 40.57 | 48.81 | 60.50 | 64.03 | 63.68 | 57.70 | 47.77 | 38.03 | 34.52 | 46.62 | |||||||||||||
1976 | 31.84 | 38.83 | 38.87 | 44.40 | 52.48 | 60.70 | 63.03 | 62.55 | 56.97 | ----- | z | 38.13 | 33.30 | a | 47.37 | a | ||||||||||
1977 | 32.94 | 36.50 | 35.71 | 44.30 | 50.19 | 62.23 | 64.97 | 64.87 | 60.23 | 52.41 | b | 39.90 | 37.19 | 48.45 | ||||||||||||
1978 | 34.97 | a | 34.82 | 42.68 | 43.33 | c | 50.68 | i | 63.00 | f | 65.29 | 61.68 | 58.60 | 51.48 | 41.27 | ----- | z | 48.24 | c | |||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.65 | 60.52 | 60.60 | 51.68 | 36.40 | 34.71 | 51.59 | f | ||||||
1980 | 34.87 | 37.79 | a | 37.90 | ----- | z | ----- | z | 62.14 | b | 67.39 | 62.90 | b | 59.93 | a | 47.23 | a | 37.56 | c | ----- | z | 49.75 | c | |||
1981 | 36.58 | 38.89 | 39.32 | 49.13 | 53.77 | 64.50 | 65.45 | 65.71 | 58.28 | a | 49.90 | 41.63 | 37.71 | 50.07 | ||||||||||||
1982 | ----- | z | ----- | z | 41.12 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.12 | k |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | 56.10 | 64.23 | 66.32 | 65.33 | a | 63.93 | 56.29 | 40.03 | 37.16 | 56.18 | d | |||||||
1993 | 40.23 | 39.25 | 43.29 | 50.50 | 58.23 | 65.70 | 66.26 | 64.69 | b | 61.83 | 53.87 | 43.10 | a | 38.58 | 52.13 | |||||||||||
1994 | 37.87 | a | 38.43 | 45.06 | 49.63 | 57.19 | 70.53 | 69.26 | 68.19 | 63.97 | 53.42 | 42.53 | 38.90 | 52.92 | ||||||||||||
1995 | 37.55 | 44.36 | 45.84 | 47.50 | 53.68 | 63.20 | 68.65 | 69.39 | 64.40 | 56.74 | 48.60 | 40.45 | 53.36 | |||||||||||||
1996 | 40.13 | 44.62 | 44.16 | 51.40 | 60.52 | 69.53 | 66.84 | 65.68 | 60.53 | ----- | z | ----- | z | ----- | z | 55.93 | c | |||||||||
1997 | 33.10 | a | ----- | z | 40.37 | a | 42.28 | a | 53.21 | c | 59.25 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.64 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.43 | 37.75 | 40.29 | 45.60 | 53.67 | 62.57 | 65.37 | 63.79 | 59.75 | 50.79 | 40.12 | 35.42 | 49.23 | |||||||||||||
S.D. | 2.97 | 3.28 | 3.02 | 3.46 | 2.96 | 3.05 | 1.65 | 2.32 | 2.24 | 3.07 | 2.89 | 2.30 | 2.40 | |||||||||||||
SKEW | 0.71 | 0.49 | 0.16 | 0.45 | 0.36 | 1.04 | 0.53 | 0.68 | 0.69 | 0.11 | 0.97 | 0.39 | 0.53 | |||||||||||||
MAX | 40.23 | 44.62 | 45.84 | 52.37 | 60.52 | 70.53 | 69.26 | 69.39 | 64.40 | 56.74 | 48.60 | 40.45 | 53.36 | |||||||||||||
MIN | 29.52 | 32.50 | 35.29 | 40.57 | 48.81 | 57.57 | 62.62 | 60.52 | 56.97 | 44.84 | 35.37 | 31.35 | 46.62 | |||||||||||||
YRS | 23 | 20 | 22 | 22 | 22 | 24 | 26 | 24 | 24 | 21 | 22 | 22 | 13 |