YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.83 | 12.94 | 20.38 | j | ||
1973 | 16.84 | 24.82 | 26.45 | 30.17 | 39.90 | 46.29 | b | 52.00 | 48.70 | a | 38.83 | 32.61 | 30.33 | 26.55 | 34.46 | |||||||||||
1974 | 18.68 | 23.36 | 28.19 | 31.73 | 38.23 | 48.90 | 51.07 | a | 49.63 | a | 39.73 | 29.29 | 25.13 | 21.39 | 33.78 | |||||||||||
1975 | 17.45 | 26.25 | 27.93 | a | 29.32 | b | 38.16 | 47.43 | 54.90 | 45.58 | 39.73 | 36.80 | a | 20.27 | 23.42 | 33.94 | ||||||||||
1976 | 19.32 | 23.29 | a | 19.81 | 29.97 | 40.06 | 44.87 | 54.13 | 45.68 | 42.40 | 26.13 | 18.73 | 6.58 | 30.91 | ||||||||||||
1977 | 2.06 | 15.07 | 20.81 | 32.60 | 38.52 | 54.77 | 55.19 | 56.71 | 44.20 | 33.16 | 27.07 | 26.32 | 33.87 | |||||||||||||
1978 | 24.39 | 26.75 | 31.26 | 34.27 | 38.06 | 45.77 | 53.84 | 50.65 | 42.47 | 32.19 | 21.60 | 14.65 | 34.66 | |||||||||||||
1979 | 7.26 | 25.21 | 28.16 | 31.90 | 41.03 | 46.97 | 54.19 | 51.90 | 43.10 | 38.13 | 19.37 | 20.61 | 33.99 | |||||||||||||
1980 | 21.10 | a | 28.62 | 26.74 | 33.20 | 41.00 | 43.97 | 54.35 | 49.26 | 44.23 | 31.68 | 25.13 | 18.27 | a | 34.80 | |||||||||||
1981 | 24.65 | 21.96 | a | 26.70 | a | 33.48 | c | 37.12 | g | 47.29 | f | 52.18 | c | 53.26 | d | 44.52 | e | 30.00 | d | 26.46 | b | 26.46 | e | 33.97 | b | |
1982 | 19.00 | d | ----- | z | 32.61 | c | 33.28 | e | 36.59 | d | 48.68 | b | 53.29 | c | 53.65 | 43.17 | 32.83 | b | 19.32 | b | 20.22 | d | 35.69 | a | ||
1983 | 24.68 | 29.00 | 30.90 | 28.86 | b | 38.50 | a | 43.82 | b | 50.97 | 55.03 | b | 39.52 | c | 34.37 | a | 28.83 | 19.48 | d | 35.33 | ||||||
1984 | 6.47 | a | 19.44 | d | 29.65 | 29.86 | a | 43.31 | b | 44.93 | a | 56.34 | b | 55.23 | 40.43 | g | 30.76 | f | 28.27 | h | 12.95 | j | 35.65 | d | ||
1985 | 13.07 | a | 17.07 | a | 22.41 | b | 38.19 | d | 40.62 | g | 56.22 | c | 53.93 | b | 46.09 | i | 35.05 | i | 29.27 | e | 14.36 | b | 3.10 | 27.51 | c | |
1986 | 19.61 | c | 30.14 | 31.30 | d | 32.17 | a | 39.45 | b | 51.77 | 50.04 | d | 56.41 | b | 40.08 | f | 29.90 | a | 23.50 | 15.10 | b | 34.49 | a | |||
1987 | 14.48 | d | 23.96 | b | 28.89 | c | 34.15 | c | 43.17 | a | 51.69 | a | 50.71 | g | 51.03 | a | 43.33 | 33.45 | 25.14 | a | 19.90 | a | 33.56 | a | ||
1988 | 17.33 | a | 22.86 | 26.81 | 36.13 | 40.77 | 51.72 | a | 56.32 | 50.61 | 42.00 | a | 37.83 | b | 29.13 | 17.06 | 35.72 | |||||||||
1989 | 15.26 | 13.33 | a | 32.03 | 35.93 | a | 39.83 | a | 49.66 | a | 57.35 | 50.68 | 42.74 | c | 33.13 | a | 22.28 | a | 16.17 | a | 34.03 | |||||
1990 | 22.45 | 20.39 | 27.10 | 39.10 | 39.03 | b | 46.93 | b | 55.77 | 54.77 | 47.68 | b | 32.87 | 24.50 | 8.26 | 34.91 | ||||||||||
1991 | 13.31 | b | 26.50 | 27.03 | a | 33.67 | 39.71 | 45.40 | 54.47 | a | 55.10 | b | 44.47 | 32.92 | e | 29.46 | b | 19.90 | 35.16 | |||||||
1992 | 25.72 | b | 33.96 | a | 35.45 | ----- | z | 43.84 | 51.77 | 53.29 | 52.81 | 43.03 | 35.97 | a | 24.23 | 16.30 | a | 37.85 | a | |||||||
1993 | 9.53 | a | 16.89 | 30.81 | 33.64 | b | 44.80 | a | 45.27 | 47.30 | a | 49.10 | 43.79 | a | 34.23 | a | 15.93 | 20.65 | 32.66 | |||||||
1994 | 21.26 | 18.63 | a | 29.61 | 36.03 | 44.39 | 48.93 | 57.39 | 54.94 | 45.33 | 33.76 | b | 21.86 | a | 16.74 | 35.74 | ||||||||||
1995 | 26.58 | 28.07 | 27.94 | 31.32 | b | 41.55 | 45.43 | 54.65 | 49.23 | 44.47 | 31.65 | 31.66 | a | 25.00 | 36.46 | |||||||||||
1996 | 24.03 | 22.55 | 29.87 | 33.93 | 40.84 | 47.47 | 56.45 | 51.74 | 41.00 | 34.24 | b | 27.45 | a | 27.30 | a | 36.41 | ||||||||||
1997 | 21.84 | 24.86 | 29.39 | ----- | z | 43.32 | 49.04 | b | 53.87 | a | 53.39 | 45.76 | a | 32.52 | b | 27.53 | 18.90 | 36.40 | a | |||||||
1998 | 28.19 | 27.18 | 29.70 | a | 33.47 | 41.68 | 45.33 | 58.55 | 54.19 | 49.23 | 32.13 | 30.62 | a | 15.13 | a | 37.12 | ||||||||||
1999 | 22.27 | a | 25.46 | d | ----- | z | ----- | z | ----- | z | 48.20 | e | 50.59 | b | 51.78 | d | ----- | z | ----- | z | ----- | z | ----- | z | 39.66 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 18.40 | 23.68 | 28.37 | 33.18 | 40.66 | 48.12 | 53.94 | 51.96 | 43.25 | 32.84 | 24.53 | 18.32 | 34.66 | |||||||||||||
S.D. | 6.56 | 4.88 | 3.47 | 2.64 | 2.24 | 3.26 | 2.57 | 3.01 | 2.52 | 2.72 | 4.61 | 6.09 | 1.46 | |||||||||||||
SKEW | -0.77 | -0.27 | -0.71 | 0.38 | 0.27 | 0.81 | -0.53 | -0.40 | 0.27 | -0.15 | -0.46 | -0.66 | -0.66 | |||||||||||||
MAX | 28.19 | 33.96 | 35.45 | 39.10 | 44.80 | 56.22 | 58.55 | 56.71 | 49.23 | 38.13 | 31.66 | 27.30 | 37.12 | |||||||||||||
MIN | 2.06 | 13.33 | 19.81 | 28.86 | 36.59 | 43.82 | 47.30 | 45.58 | 38.83 | 26.13 | 14.36 | 3.10 | 30.91 | |||||||||||||
YRS | 27 | 26 | 26 | 24 | 24 | 26 | 26 | 26 | 23 | 25 | 26 | 26 | 18 |