YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 42.97 | 53.31 | a | 59.45 | 61.29 | 51.60 | 36.17 | a | 29.07 | 22.48 | 44.54 | d | ||||||
1972 | 19.31 | b | 26.19 | c | 37.87 | 38.93 | 46.97 | a | ----- | z | ----- | z | ----- | z | ----- | z | 38.05 | l | 32.41 | a | 22.81 | 32.07 | e | |||
1973 | 24.55 | 31.07 | 32.94 | 39.63 | 48.81 | 56.40 | 56.77 | 57.48 | 47.40 | 37.77 | 31.97 | 27.77 | 41.05 | |||||||||||||
1974 | 27.13 | 27.57 | 35.06 | 36.13 | 45.55 | 53.00 | 57.97 | 54.58 | 53.57 | 43.06 | 30.50 | 26.00 | 40.84 | |||||||||||||
1975 | 24.84 | 27.82 | 33.00 | 33.90 | 45.06 | 54.03 | 56.77 | 52.71 | 52.77 | 40.55 | 29.80 | 25.65 | 39.74 | |||||||||||||
1976 | 23.10 | 32.39 | a | 32.79 | b | 35.30 | 43.52 | 51.87 | 58.81 | 51.03 | a | 55.53 | 42.48 | 35.30 | 22.65 | 40.40 | ||||||||||
1977 | 29.16 | 29.50 | 28.52 | 39.50 | 42.87 | 53.07 | 55.81 | 60.19 | 49.73 | 43.19 | 32.47 | 34.55 | 41.55 | |||||||||||||
1978 | 32.71 | 33.89 | 39.45 | 37.80 | 43.03 | 52.10 | 55.35 | 55.45 | 50.03 | 45.87 | 30.93 | 22.97 | 41.63 | |||||||||||||
1979 | 28.87 | 28.68 | 35.52 | 38.47 | 45.81 | 52.27 | 56.10 | 55.10 | 55.17 | 43.97 | 30.47 | 27.29 | 41.47 | |||||||||||||
1980 | 34.73 | a | 35.46 | a | 35.06 | 38.17 | 42.97 | 47.57 | 59.31 | e | 53.87 | 49.77 | 42.97 | 32.13 | 28.58 | 41.72 | ||||||||||
1981 | 33.00 | a | 31.71 | 35.19 | 40.77 | 49.94 | 58.40 | 58.06 | 59.23 | 53.63 | 40.32 | 34.40 | 31.94 | 43.88 | ||||||||||||
1982 | 27.20 | a | 33.19 | a | 34.61 | 39.27 | 46.03 | 51.77 | 57.13 | 58.16 | 54.20 | 41.29 | 31.90 | 28.67 | a | 41.95 | ||||||||||
1983 | 28.57 | a | 34.89 | 37.87 | 34.83 | 45.61 | 51.87 | 52.55 | 59.55 | 56.60 | 45.55 | 35.10 | 30.97 | a | 42.83 | |||||||||||
1984 | 26.73 | a | 28.24 | 36.29 | 38.57 | 52.68 | 56.10 | 64.00 | 62.55 | 57.20 | 41.10 | 33.17 | 27.97 | b | 43.72 | |||||||||||
1985 | 27.03 | 28.56 | a | 31.52 | 42.20 | 44.03 | 56.03 | 63.26 | 53.48 | 47.83 | a | 42.06 | 33.52 | a | 28.55 | 41.51 | ||||||||||
1986 | 30.52 | b | 36.04 | a | 39.03 | 39.03 | 49.74 | 55.80 | 55.45 | 61.94 | 47.03 | 42.10 | 35.83 | 26.74 | 43.27 | |||||||||||
1987 | 26.10 | 31.25 | 32.80 | a | 42.17 | 48.42 | 56.23 | 54.35 | 57.81 | 53.23 | 48.20 | a | 34.75 | b | 25.89 | c | 42.60 | |||||||||
1988 | 28.31 | b | 30.62 | 33.74 | 40.60 | 45.32 | 52.47 | 61.13 | 57.74 | 51.73 | 46.48 | 35.57 | 27.26 | 42.58 | ||||||||||||
1989 | 25.13 | 29.04 | 39.00 | 43.73 | 46.77 | 53.30 | 61.03 | 55.06 | 52.60 | 41.35 | 32.70 | 25.35 | 42.09 | |||||||||||||
1990 | 28.06 | 28.81 | a | 36.77 | 43.93 | 47.35 | 55.67 | 62.52 | 58.42 | 53.23 | 44.10 | 32.63 | 19.35 | 42.57 | ||||||||||||
1991 | 28.52 | 34.32 | 34.03 | 38.73 | 44.40 | a | 52.90 | 60.07 | a | 58.50 | a | 57.03 | 48.23 | 34.77 | 28.97 | a | 43.37 | |||||||||
1992 | 27.27 | a | 36.14 | a | 38.10 | 44.23 | 50.77 | 52.80 | 59.29 | 60.39 | 52.93 | 45.26 | 32.47 | 26.10 | b | 43.81 | ||||||||||
1993 | 31.23 | a | 34.19 | a | 39.45 | 41.63 | 47.77 | 53.93 | 55.26 | 56.35 | 50.37 | 43.42 | 31.53 | 24.83 | b | 42.50 | ||||||||||
1994 | 27.52 | 30.32 | 38.42 | 43.27 | 46.94 | 57.30 | 62.35 | 61.16 | 53.33 | 41.58 | 28.07 | 27.90 | 43.18 | |||||||||||||
1995 | 34.58 | 35.64 | 36.71 | 39.23 | 45.84 | 52.37 | 59.10 | 60.16 | 55.83 | 43.87 | 38.40 | 31.50 | a | 44.44 | ||||||||||||
1996 | 32.29 | 37.37 | b | 36.83 | a | 42.60 | 52.16 | 56.10 | a | 64.35 | 61.68 | 50.97 | a | ----- | z | ----- | z | ----- | z | 48.26 | c | |||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.45 | 60.29 | 58.63 | 45.23 | 38.37 | 30.32 | 48.72 | f | ||||||
1998 | 34.42 | 35.32 | 37.00 | a | 37.03 | 42.16 | 49.86 | b | 59.50 | a | 62.94 | 53.04 | b | 42.03 | 35.17 | 27.16 | 42.97 | |||||||||
1999 | 32.23 | 32.67 | a | 32.61 | 39.23 | 49.00 | 56.00 | 59.34 | b | 56.90 | 55.00 | 47.13 | 36.43 | 28.68 | 43.77 | |||||||||||
2000 | 34.65 | 34.52 | 37.94 | 45.83 | 53.48 | 59.63 | 60.10 | a | 62.45 | 53.40 | 46.37 | a | 31.90 | 31.52 | 45.98 | |||||||||||
2001 | 30.53 | a | 32.00 | 40.34 | b | 38.60 | 56.52 | 59.48 | a | 59.10 | 62.39 | 55.72 | a | 49.23 | 39.73 | 30.39 | 46.17 | |||||||||
2002 | 28.71 | 32.11 | 35.06 | 43.20 | 51.71 | 59.10 | 64.81 | 61.39 | 58.07 | a | 45.74 | 38.87 | 31.81 | 45.88 | ||||||||||||
2003 | 35.77 | 34.36 | 40.68 | 38.70 | 50.19 | 59.63 | 67.83 | a | 63.35 | 59.67 | 51.06 | 34.33 | 30.03 | 47.14 | ||||||||||||
2004 | 29.13 | 32.41 | 43.77 | 44.67 | 51.81 | 58.20 | 61.90 | 60.37 | a | 55.07 | 45.55 | 35.13 | 30.65 | 45.72 | ||||||||||||
2005 | 33.32 | 35.46 | 38.48 | 37.20 | 46.90 | j | 51.83 | a | 65.74 | 60.26 | h | 48.82 | b | 45.97 | a | 38.30 | 32.06 | 42.72 | b | |||||||
2006 | 29.42 | 31.50 | d | 32.48 | 38.87 | 52.58 | 60.83 | a | 67.42 | 57.42 | 54.77 | 43.53 | a | 37.76 | a | 27.30 | a | 44.49 | ||||||||
2007 | 25.58 | 34.11 | 41.03 | 46.10 | 50.15 | d | 58.17 | 64.32 | 64.55 | 52.20 | 45.48 | 39.03 | 29.83 | b | 45.88 | |||||||||||
2008 | 29.26 | 32.86 | 36.65 | 41.13 | 49.55 | 60.00 | 65.06 | 64.13 | 58.40 | 47.18 | i | 41.10 | a | ----- | z | 47.81 | b | |||||||||
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.67 | 64.61 | 60.97 | 57.47 | 42.17 | a | 35.00 | 28.27 | a | 48.88 | e | |||||
2010 | 31.67 | a | 35.93 | 35.90 | 38.11 | c | 46.37 | a | 58.83 | a | 65.23 | e | 59.03 | a | 53.76 | e | ----- | z | ----- | z | ----- | z | 47.20 | c | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.22 | 32.33 | 36.29 | 40.04 | 47.70 | 55.05 | 60.27 | 58.95 | 53.52 | 43.90 | 34.24 | 27.86 | 43.15 | |||||||||||||
S.D. | 3.65 | 2.90 | 3.11 | 3.01 | 3.53 | 3.19 | 3.82 | 3.35 | 3.18 | 3.06 | 3.15 | 3.23 | 1.84 | |||||||||||||
SKEW | -0.26 | -0.29 | -0.05 | 0.18 | 0.39 | 0.00 | 0.13 | -0.45 | -0.17 | -0.09 | 0.25 | -0.44 | 0.38 | |||||||||||||
MAX | 35.77 | 37.37 | 43.77 | 46.10 | 56.52 | 60.83 | 67.83 | 64.55 | 59.67 | 51.06 | 41.10 | 34.55 | 47.14 | |||||||||||||
MIN | 19.31 | 26.19 | 28.52 | 33.90 | 42.16 | 47.57 | 52.55 | 51.03 | 47.03 | 36.17 | 28.07 | 19.35 | 39.74 | |||||||||||||
YRS | 37 | 37 | 37 | 37 | 37 | 38 | 39 | 38 | 39 | 36 | 38 | 37 | 32 |