YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | ----- | z | 42.25 | a | 40.10 | b | 41.93 | a | 52.35 | 60.41 | c | 69.97 | b | 66.34 | b | 57.73 | 49.07 | b | 40.64 | b | 25.87 | 49.70 | a | |||
1969 | 36.35 | 34.62 | b | 37.67 | a | 45.34 | a | 55.42 | 61.87 | 70.23 | a | 74.33 | a | 63.59 | a | 46.29 | 39.13 | 30.69 | b | 49.63 | ||||||
1970 | 29.45 | 38.52 | a | 40.50 | a | 42.22 | c | 53.93 | b | 63.75 | b | 70.26 | 70.33 | a | 54.96 | e | 45.10 | b | 39.62 | a | 31.17 | a | 48.32 | |||
1971 | 27.23 | e | 32.04 | 37.19 | 44.07 | a | 49.77 | e | 57.29 | m | 67.57 | a | 70.15 | e | 50.54 | f | 41.06 | 31.45 | a | 29.19 | 42.97 | b | ||||
1972 | 25.58 | 31.31 | 41.77 | 44.97 | a | 50.69 | e | 59.69 | a | 63.69 | b | 67.33 | d | 58.15 | c | 48.76 | f | 35.47 | 27.19 | 45.99 | a | |||||
1973 | 27.30 | a | 37.21 | 37.73 | a | 42.60 | 54.97 | b | 59.37 | 64.90 | b | 65.93 | b | 56.57 | b | 46.72 | b | 35.82 | b | 28.07 | d | 46.43 | ||||
1974 | 28.63 | a | 30.33 | y | 44.47 | n | 42.89 | b | 54.29 | 61.04 | d | 68.17 | a | 63.40 | a | 62.04 | c | 50.34 | b | 37.82 | b | 28.07 | d | 49.67 | b | |
1975 | 26.26 | d | 32.12 | c | 37.18 | c | 40.70 | c | 49.79 | g | 58.81 | d | 69.25 | c | 60.18 | i | 56.42 | f | 43.00 | e | 34.44 | e | 31.73 | e | 41.50 | c |
1976 | 29.86 | b | 37.42 | e | 36.83 | b | 42.83 | a | 55.45 | 59.30 | c | 68.43 | c | 59.11 | d | 57.79 | a | 47.57 | a | 37.04 | b | 25.77 | 46.45 | |||
1977 | 29.26 | 35.29 | d | 34.20 | a | 45.46 | b | 50.12 | e | 62.85 | c | 67.16 | f | 68.48 | h | 60.62 | a | 49.88 | n | 35.95 | h | 35.00 | c | 44.10 | d | |
1978 | 36.50 | a | 37.18 | 45.40 | a | 45.14 | b | 50.36 | i | 60.70 | c | 67.59 | b | 63.97 | a | 60.11 | b | 50.06 | 38.64 | b | 28.81 | 48.55 | a | |||
1979 | 29.11 | d | 31.63 | a | 39.17 | a | 44.31 | d | 55.28 | b | 59.63 | 65.60 | a | 64.50 | a | 60.65 | g | 48.89 | c | 34.83 | 30.13 | 45.73 | a | |||
1980 | 36.23 | 38.39 | f | 38.62 | b | 45.48 | e | 52.52 | b | 57.52 | c | 67.70 | d | 64.06 | 58.13 | 46.96 | e | 36.97 | a | 32.97 | 48.83 | a | ||||
1981 | 34.13 | a | 34.04 | a | 40.68 | c | 50.48 | g | 54.86 | i | 65.58 | d | 72.44 | f | 67.00 | k | 62.14 | b | 48.00 | c | 40.70 | c | 31.97 | a | 44.65 | d |
1982 | 26.42 | 34.15 | b | 39.59 | b | 44.77 | 56.07 | a | 59.77 | 67.58 | 69.50 | c | 59.88 | e | 46.52 | b | 39.17 | a | 33.41 | b | 48.07 | |||||
1983 | 31.65 | e | 38.12 | b | 43.81 | 43.48 | c | 52.07 | a | 61.15 | c | 64.80 | a | 69.19 | 64.89 | b | 52.37 | a | 40.70 | 33.60 | a | 49.65 | ||||
1984 | 33.00 | 31.79 | a | 41.00 | b | 46.43 | b | 58.39 | 63.27 | 74.80 | a | 70.94 | 64.42 | d | ----- | z | 39.28 | a | ----- | z | 52.33 | b | ||||
1985 | 33.50 | a | 34.68 | 41.43 | c | 48.20 | 57.32 | 66.57 | b | 72.35 | 66.94 | 56.89 | b | 50.00 | b | 38.83 | a | 33.35 | 50.01 | |||||||
1986 | 36.39 | 39.41 | a | 46.26 | 47.97 | 56.39 | 65.67 | 68.77 | a | 75.28 | f | 57.48 | c | 47.90 | b | 41.23 | 32.20 | a | 49.06 | a | ||||||
1987 | 31.00 | 38.80 | c | 39.90 | a | 50.32 | b | 59.73 | a | 63.43 | 64.48 | 66.00 | h | 58.96 | c | 52.86 | b | 46.42 | d | 31.87 | 48.89 | a | ||||
1988 | 29.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.55 | h | 57.00 | 40.77 | 32.82 | c | 40.13 | h | |||
1989 | 31.79 | b | 36.31 | b | 44.77 | 53.90 | 58.71 | 66.57 | 74.03 | 69.19 | 62.60 | 52.70 | a | 41.52 | a | 32.84 | 52.08 | |||||||||
1990 | 32.07 | c | 36.68 | c | 46.03 | 53.63 | 57.97 | 66.40 | 72.68 | 68.13 | 63.83 | 49.35 | 38.37 | 25.94 | 50.92 | |||||||||||
1991 | 31.97 | b | 40.68 | 40.73 | a | 46.17 | 53.58 | 62.00 | 71.87 | 71.77 | 64.90 | a | 55.00 | 40.21 | a | 33.55 | 51.04 | |||||||||
1992 | 32.32 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.32 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.08 | 35.92 | 40.48 | 45.58 | 54.75 | 62.06 | 68.80 | 67.51 | 60.28 | 48.89 | 38.66 | 30.71 | 49.26 | |||||||||||||
S.D. | 3.35 | 3.14 | 3.22 | 3.46 | 2.90 | 2.77 | 3.15 | 3.65 | 3.08 | 3.78 | 3.05 | 2.80 | 1.91 | |||||||||||||
SKEW | 0.14 | 0.15 | 0.27 | 1.12 | -0.10 | 0.34 | 0.20 | -0.35 | 0.10 | 0.13 | -0.03 | -0.48 | -0.24 | |||||||||||||
MAX | 36.50 | 42.25 | 46.26 | 53.90 | 59.73 | 66.57 | 74.80 | 74.33 | 64.90 | 57.00 | 46.42 | 35.00 | 52.08 | |||||||||||||
MIN | 25.58 | 31.31 | 34.20 | 40.70 | 49.77 | 57.52 | 63.69 | 59.11 | 54.96 | 41.06 | 31.45 | 25.77 | 46.43 | |||||||||||||
YRS | 24 | 21 | 22 | 22 | 20 | 22 | 21 | 18 | 20 | 21 | 23 | 23 | 10 |