YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1974 | ----- | z | ----- | z | 32.90 | a | 39.00 | 42.58 | 51.80 | 54.29 | 53.42 | 47.23 | 38.26 | 35.30 | 29.71 | 42.45 | b | |||||||||
1975 | 25.45 | 26.14 | 31.10 | 32.40 | 41.58 | 48.27 | 57.94 | 51.52 | 46.07 | 40.13 | 30.27 | 26.97 | b | 38.15 | ||||||||||||
1976 | 27.16 | 27.52 | 29.67 | a | 36.53 | 41.74 | 46.33 | 53.45 | 53.23 | 49.48 | a | 37.00 | a | 31.67 | 24.94 | 38.23 | ||||||||||
1977 | 21.39 | 31.14 | 32.13 | 39.10 | 42.00 | 52.40 | 52.48 | b | 57.06 | 46.37 | 37.90 | 30.27 | 28.19 | 39.20 | ||||||||||||
1978 | 25.84 | 31.39 | 34.35 | 37.77 | 41.97 | a | 50.17 | 54.35 | 53.42 | 47.07 | 35.45 | 23.90 | 22.06 | 38.15 | ||||||||||||
1979 | 7.16 | 27.46 | 33.00 | 37.77 | 45.29 | 50.70 | 54.32 | 54.90 | 50.07 | 42.45 | 29.43 | 30.42 | 38.58 | |||||||||||||
1980 | 18.70 | a | 29.90 | 32.03 | 39.60 | 46.42 | 48.97 | 53.58 | 49.35 | 49.52 | a | 39.26 | 34.17 | 31.77 | 39.44 | |||||||||||
1981 | 32.65 | 30.71 | 33.71 | 37.20 | 43.87 | 47.93 | 52.35 | 55.45 | 47.83 | 37.71 | 32.93 | b | 26.29 | 39.89 | ||||||||||||
1982 | 21.61 | 28.43 | 31.71 | 32.57 | 42.03 | 52.43 | 52.71 | 53.84 | 47.90 | 38.47 | a | 27.60 | 26.10 | 37.95 | ||||||||||||
1983 | 30.90 | 32.04 | 37.52 | 34.83 | 44.39 | 49.43 | 52.97 | 56.61 | 44.50 | 39.97 | 37.30 | 18.59 | d | 39.92 | ||||||||||||
1984 | 26.63 | a | 31.86 | 35.74 | 36.60 | 40.84 | 49.77 | 54.19 | 54.19 | 45.17 | 35.10 | a | 32.30 | 18.70 | a | 38.42 | ||||||||||
1985 | 22.03 | 20.79 | 29.42 | 36.97 | 43.52 | 47.10 | 56.13 | 51.00 | 44.23 | 36.48 | 17.73 | 16.10 | 35.12 | |||||||||||||
1986 | 25.71 | 29.68 | 34.94 | 35.82 | b | 45.63 | a | 54.80 | 51.94 | 57.32 | 47.20 | 39.68 | 35.73 | 27.45 | 40.49 | |||||||||||
1987 | 23.38 | b | 29.93 | 35.32 | ----- | z | 46.94 | 50.83 | a | 54.23 | 53.39 | 49.10 | 37.84 | 33.37 | 24.94 | 39.93 | a | |||||||||
1988 | 24.47 | a | 27.38 | 31.13 | 39.97 | 43.45 | 50.97 | 54.39 | 53.48 | 47.33 | 45.48 | 35.73 | 25.77 | 39.96 | ||||||||||||
1989 | 29.00 | 16.33 | a | 33.58 | 40.43 | 44.52 | 53.17 | 53.87 | 54.74 | 47.67 | 39.90 | 34.63 | 28.06 | 39.66 | ||||||||||||
1990 | 31.84 | 26.96 | b | 32.35 | 40.43 | 44.55 | 50.90 | a | 58.23 | 56.94 | 50.93 | 38.10 | 35.30 | 17.00 | 40.29 | |||||||||||
1991 | 21.71 | 33.57 | 31.68 | 37.73 | 44.23 | 48.83 | 55.13 | a | 58.48 | 49.07 | 38.52 | 34.30 | 30.45 | 40.31 | ||||||||||||
1992 | 31.74 | 34.34 | 35.39 | 41.20 | 45.73 | a | 54.57 | 56.81 | 55.65 | 46.77 | 41.06 | 33.50 | 23.97 | 41.73 | ||||||||||||
1993 | 15.26 | 22.36 | 32.65 | 38.40 | 49.45 | 50.70 | 52.35 | 53.55 | 46.40 | 40.39 | 23.53 | 30.97 | 38.00 | |||||||||||||
1994 | 30.63 | a | 27.44 | a | 33.55 | 42.10 | 47.26 | 49.67 | 56.10 | 54.52 | 50.27 | 39.43 | a | 30.57 | 27.77 | 40.78 | ||||||||||
1995 | 26.58 | 32.54 | 31.97 | 37.70 | 46.13 | a | 51.53 | 55.48 | 51.74 | 51.20 | 39.03 | 35.40 | 28.90 | 40.68 | ||||||||||||
1996 | 25.03 | a | 28.76 | d | 32.35 | 40.53 | 42.26 | 48.93 | 56.32 | 53.74 | 46.20 | 39.77 | 29.57 | 23.61 | 38.92 | |||||||||||
1997 | 26.00 | 30.96 | 35.16 | 36.66 | a | 47.42 | 50.27 | 55.58 | 58.42 | 51.30 | 39.90 | 33.97 | 27.68 | 41.11 | ||||||||||||
1998 | 28.13 | a | 33.11 | 34.60 | a | 36.73 | 46.42 | 51.67 | 60.94 | 57.26 | 52.83 | 38.29 | 37.80 | 25.00 | 41.90 | |||||||||||
1999 | 30.58 | 32.18 | 33.52 | 35.17 | 40.34 | b | 49.33 | 53.45 | 58.32 | 46.10 | 39.03 | 37.07 | 31.90 | b | 40.58 | |||||||||||
2000 | 27.52 | 30.79 | 32.74 | 40.21 | a | 45.68 | 50.67 | 53.94 | 54.06 | 48.60 | 39.68 | 27.33 | 25.61 | 39.74 | ||||||||||||
2001 | 27.84 | 27.64 | 32.30 | a | 37.50 | 43.74 | 49.13 | 55.42 | 56.60 | a | 49.30 | 40.55 | 34.97 | 29.03 | 40.34 | |||||||||||
2002 | 29.93 | a | 27.82 | 29.87 | a | 38.03 | 43.58 | 52.59 | a | 57.61 | 54.87 | 48.00 | 35.42 | 31.83 | 32.57 | a | 40.18 | |||||||||
2003 | 33.32 | 29.61 | 37.47 | a | 39.52 | a | 45.30 | a | 51.57 | 56.84 | 56.38 | e | 50.70 | 43.97 | 28.53 | 28.58 | 41.82 | |||||||||
2004 | 23.35 | 29.29 | a | 36.10 | 38.14 | b | 46.29 | 51.83 | 57.97 | 58.68 | 48.73 | 43.33 | a | 31.20 | 29.47 | a | 41.20 | |||||||||
2005 | 25.03 | a | 25.21 | 34.65 | 39.83 | 47.77 | 50.00 | 56.58 | 54.24 | b | 46.24 | a | 43.55 | 30.76 | a | 22.53 | a | 39.70 | ||||||||
2006 | 31.87 | a | 26.04 | 31.70 | a | 38.45 | a | 45.43 | a | 52.00 | 57.65 | 53.77 | 48.20 | 39.39 | 32.87 | 25.24 | b | 40.22 | ||||||||
2007 | 23.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.00 | k | |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.29 | m | 55.10 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.10 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.80 | 28.73 | 33.22 | 37.97 | 44.50 | 50.58 | 55.14 | 54.85 | 48.11 | 39.41 | 31.84 | 26.25 | 39.70 | |||||||||||||
S.D. | 5.38 | 3.80 | 2.05 | 2.26 | 2.20 | 1.92 | 2.07 | 2.28 | 2.07 | 2.40 | 4.33 | 4.22 | 1.42 | |||||||||||||
SKEW | -1.31 | -1.29 | 0.22 | -0.61 | 0.04 | 0.06 | 0.61 | -0.16 | 0.21 | 0.51 | -1.28 | -0.80 | -0.96 | |||||||||||||
MAX | 33.32 | 34.34 | 37.52 | 42.10 | 49.45 | 54.80 | 60.94 | 58.68 | 52.83 | 45.48 | 37.80 | 32.57 | 41.90 | |||||||||||||
MIN | 7.16 | 16.33 | 29.42 | 32.40 | 40.34 | 46.33 | 51.94 | 49.35 | 44.23 | 35.10 | 17.73 | 16.10 | 35.12 | |||||||||||||
YRS | 33 | 32 | 33 | 32 | 33 | 33 | 34 | 33 | 33 | 33 | 33 | 33 | 31 |