YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1969 | ----- | z | ----- | z | ----- | z | 34.90 | i | 43.45 | b | 52.07 | 52.57 | a | 49.08 | e | 47.14 | a | 33.42 | 31.64 | b | 27.39 | 42.09 | d | |||
1970 | 25.26 | 30.50 | 31.11 | c | 31.96 | d | 39.81 | 50.77 | 54.71 | 51.94 | 42.03 | 34.19 | 30.50 | 26.10 | 37.41 | |||||||||||
1971 | 28.35 | 28.07 | 27.42 | 31.60 | 41.48 | 44.10 | 52.73 | a | 55.29 | 40.27 | 35.53 | a | 30.40 | 27.39 | 36.89 | |||||||||||
1972 | 25.26 | 27.55 | 34.39 | 31.90 | 40.73 | a | 48.37 | 52.71 | 52.45 | 41.80 | 35.39 | 34.33 | 18.26 | 36.93 | ||||||||||||
1973 | 21.03 | 27.64 | 30.84 | 33.93 | 40.74 | 46.90 | 53.06 | 50.97 | 45.20 | 37.65 | 30.33 | 30.81 | 37.43 | |||||||||||||
1974 | 17.65 | 29.61 | 30.65 | 35.53 | 38.55 | 49.00 | 49.84 | 52.42 | 43.53 | 34.42 | 31.70 | 29.19 | 36.84 | |||||||||||||
1975 | 27.29 | 24.39 | 28.61 | 30.97 | 40.13 | 46.33 | 55.97 | 50.57 | a | 43.37 | 39.19 | 30.53 | 29.65 | 37.25 | ||||||||||||
1976 | 27.71 | c | 26.55 | 28.97 | 33.13 | 38.35 | h | 43.71 | b | 52.17 | m | 51.74 | 47.60 | 35.58 | 33.20 | 26.00 | 35.42 | b | ||||||||
1977 | 20.26 | 28.36 | 30.26 | 35.40 | 37.45 | 50.97 | 52.77 | 57.16 | 43.83 | 36.97 | 28.13 | 29.19 | 37.56 | |||||||||||||
1978 | 26.26 | 30.00 | 33.10 | 34.73 | 39.32 | f | 47.53 | 52.71 | 52.84 | 45.43 | 36.77 | 23.33 | 21.42 | 36.74 | a | |||||||||||
1979 | 7.23 | 27.36 | 31.19 | 36.57 | 42.97 | 47.29 | b | 53.03 | a | 53.43 | a | 47.10 | a | 41.03 | 28.80 | 28.72 | b | 37.06 | ||||||||
1980 | 16.34 | b | 28.07 | 31.35 | 36.17 | a | 41.90 | 44.22 | c | 52.97 | 50.77 | a | 46.76 | a | 36.45 | 33.07 | 31.00 | 37.42 | ||||||||
1981 | 29.33 | a | 28.39 | 31.77 | 35.75 | b | 41.63 | a | 45.82 | b | 50.17 | b | 53.79 | b | 45.63 | 36.45 | 31.53 | 28.35 | 38.22 | |||||||
1982 | 26.55 | 26.79 | 29.30 | a | 30.93 | 40.06 | 49.15 | d | 52.42 | 53.52 | b | 44.93 | a | 36.60 | a | 27.50 | 26.81 | 37.05 | ||||||||
1983 | 31.29 | 32.68 | 35.25 | c | 34.47 | 42.87 | 46.43 | 50.48 | 54.23 | 42.40 | 37.84 | 34.40 | 18.03 | a | 38.36 | |||||||||||
1984 | 27.10 | 29.52 | 33.23 | a | 33.87 | 38.55 | 45.10 | 53.42 | 52.81 | 43.53 | 36.13 | 30.33 | 23.16 | 37.23 | ||||||||||||
1985 | 22.42 | 24.89 | 28.39 | 36.48 | a | 40.61 | 48.10 | 57.00 | a | 50.58 | 40.83 | 37.13 | 19.03 | 13.23 | 34.89 | |||||||||||
1986 | 28.32 | 29.43 | 35.32 | 33.20 | 42.55 | 51.17 | 51.13 | 56.39 | 43.70 | 36.84 | 32.00 | h | 24.33 | a | 39.31 | a | ||||||||||
1987 | 23.54 | c | 29.44 | a | 32.25 | c | 36.15 | j | 44.18 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.39 | l | 24.29 | j | 32.35 | h |
1988 | 20.56 | m | ----- | z | 26.44 | o | 34.57 | p | 37.81 | o | 47.27 | s | ----- | z | ----- | z | ----- | z | ----- | z | 34.78 | u | 26.89 | v | ----- | z |
1989 | 31.67 | v | 4.80 | w | ----- | z | ----- | z | 51.67 | y | 66.50 | x | ----- | z | ----- | z | 41.95 | i | 37.68 | f | 35.08 | r | 25.62 | e | 25.62 | k |
1990 | 29.52 | b | 26.12 | c | 30.97 | a | 38.18 | b | 39.50 | a | 47.00 | c | 53.86 | c | 54.19 | j | 46.70 | j | 36.96 | f | 31.24 | i | 14.27 | i | 37.88 | e |
1991 | 22.90 | j | 33.95 | f | 29.00 | e | 35.14 | h | 40.27 | i | 44.14 | h | 54.22 | d | 54.36 | f | ----- | z | ----- | z | ----- | z | ----- | z | 41.61 | j |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | 46.58 | 54.38 | a | 56.39 | 56.03 | b | 47.57 | 40.74 | 32.93 | 22.97 | 44.70 | d | ||||||
1993 | 18.39 | 20.46 | 32.52 | 37.53 | 45.17 | a | 48.59 | a | 50.23 | 51.04 | c | 46.59 | c | 38.85 | d | 21.68 | b | 28.06 | 36.59 | |||||||
1994 | 30.53 | a | 24.46 | b | 33.20 | a | 38.75 | b | 45.20 | a | 48.24 | a | 58.14 | b | 54.87 | a | 51.36 | b | 35.62 | j | 29.17 | 26.94 | 40.08 | a | ||
1995 | 27.85 | d | 31.29 | 33.41 | i | 36.23 | 44.76 | b | 49.53 | 55.10 | 50.53 | a | 49.56 | c | 37.17 | a | 38.00 | a | 27.16 | 40.65 | a | |||||
1996 | 27.13 | 23.69 | 32.90 | 38.73 | 41.26 | 48.60 | 57.84 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.59 | e | |||||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.76 | i | 53.05 | l | 56.52 | f | 47.79 | f | ----- | z | ----- | z | 26.74 | d | 26.74 | k |
1998 | 27.69 | b | 31.22 | a | 31.97 | a | 34.83 | a | 42.18 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.58 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.68 | 27.77 | 31.41 | 34.82 | 41.76 | 48.06 | 53.48 | 52.84 | 45.01 | 36.87 | 30.03 | 25.69 | 37.14 | |||||||||||||
S.D. | 5.54 | 2.80 | 2.13 | 2.38 | 2.33 | 2.62 | 2.35 | 2.16 | 2.81 | 1.94 | 4.39 | 4.33 | 0.79 | |||||||||||||
SKEW | -1.49 | -0.63 | 0.05 | -0.04 | 0.22 | 0.36 | 0.39 | 0.35 | 0.31 | 0.48 | -0.89 | -1.31 | -1.27 | |||||||||||||
MAX | 31.29 | 32.68 | 35.32 | 38.75 | 46.58 | 54.38 | 58.14 | 57.16 | 51.36 | 41.03 | 38.00 | 31.00 | 38.36 | |||||||||||||
MIN | 7.23 | 20.46 | 27.42 | 30.93 | 37.45 | 43.71 | 49.84 | 49.08 | 40.27 | 33.42 | 19.03 | 13.23 | 34.89 | |||||||||||||
YRS | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 22 | 22 | 21 | 21 | 24 | 15 |