YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.35 | 30.35 | k | |
1974 | 23.35 | a | 20.14 | 32.23 | 45.24 | a | 51.84 | b | 62.17 | 66.67 | a | 64.44 | 55.83 | 41.02 | 37.57 | 27.93 | a | 44.04 | ||||||||
1975 | 24.52 | 24.85 | a | 29.47 | 38.38 | 58.58 | a | 63.83 | 69.65 | 65.18 | a | 55.32 | 49.82 | 42.72 | a | 26.05 | 45.70 | |||||||||
1976 | 14.85 | 28.09 | b | 34.23 | 46.55 | b | 52.09 | b | 66.97 | 65.73 | 64.60 | b | 55.95 | b | 42.70 | c | 33.36 | a | 18.90 | 43.67 | ||||||
1977 | 11.34 | 20.65 | b | 36.69 | 44.92 | 56.75 | a | 61.20 | 67.37 | 65.26 | 58.12 | a | 45.05 | 40.37 | 23.28 | a | 44.25 | |||||||||
1978 | 19.90 | b | 14.39 | 27.81 | 41.00 | 54.53 | 61.82 | 65.81 | 66.76 | 54.58 | 43.72 | b | 36.98 | a | 25.85 | a | 42.76 | |||||||||
1979 | 21.85 | a | 11.88 | 35.03 | a | 43.38 | a | 56.90 | 61.72 | 68.02 | 65.47 | 56.17 | 47.40 | 41.10 | 29.05 | 44.83 | ||||||||||
1980 | 23.71 | 17.67 | 29.98 | c | 44.59 | c | 55.80 | a | 59.74 | a | 68.34 | 68.19 | 59.00 | 44.47 | 32.80 | 19.92 | 43.68 | |||||||||
1981 | 11.89 | 28.52 | 32.45 | 45.42 | 54.88 | b | 63.62 | 68.27 | 65.72 | f | 56.76 | a | 43.55 | a | 37.15 | 23.85 | d | 42.40 | a | |||||||
1982 | 17.82 | t | ----- | z | ----- | z | ----- | z | 57.10 | a | 60.71 | a | 67.48 | 61.59 | b | 59.22 | 46.39 | 41.28 | a | 32.21 | b | 53.25 | d | |||
1983 | 23.55 | 24.90 | c | 35.65 | 45.58 | d | 52.80 | c | 64.70 | 69.28 | d | 67.90 | a | 59.71 | a | 47.34 | b | 37.13 | 23.50 | 46.00 | ||||||
1984 | 16.69 | 30.40 | 26.16 | b | 43.55 | 51.76 | 64.62 | f | 66.48 | 68.32 | 55.88 | b | 50.84 | 37.55 | 33.74 | 43.76 | a | |||||||||
1985 | 16.26 | d | 24.88 | 34.42 | a | 46.10 | a | 57.81 | 60.93 | 69.36 | c | 65.68 | 60.55 | a | 48.05 | b | 40.37 | c | 23.02 | d | 45.62 | |||||
1986 | 22.12 | a | 22.73 | 33.87 | a | 47.33 | a | 57.81 | 62.47 | 69.19 | 65.94 | 58.05 | 48.55 | a | 35.58 | 28.81 | 46.04 | |||||||||
1987 | 20.10 | 20.00 | 34.26 | 47.67 | 56.18 | 65.27 | b | 70.85 | 64.55 | 57.87 | 44.19 | 37.25 | 29.24 | 45.62 | ||||||||||||
1988 | 17.18 | 21.90 | 32.69 | b | 43.95 | 56.58 | a | 63.40 | 71.64 | b | 70.79 | 57.65 | 44.27 | 39.37 | 25.44 | 45.40 | ||||||||||
1989 | 25.81 | 23.54 | 32.85 | a | 41.28 | 57.23 | 65.67 | 69.13 | 67.45 | 60.25 | b | 49.21 | 37.21 | a | 12.74 | 45.20 | ||||||||||
1990 | 31.26 | 28.05 | 35.58 | 45.32 | 53.11 | 64.70 | 69.50 | 68.92 | a | 58.63 | 52.81 | 39.62 | 31.97 | a | 48.29 | |||||||||||
1991 | 21.39 | 28.87 | a | 36.24 | 48.45 | 60.76 | 66.43 | 69.16 | 68.13 | a | 58.32 | 49.61 | 38.75 | 28.75 | a | 47.91 | ||||||||||
1992 | 23.27 | 25.26 | 30.03 | 42.17 | 55.58 | 62.33 | a | 65.44 | 64.13 | 57.78 | 43.32 | a | 36.25 | 25.85 | 44.28 | |||||||||||
1993 | 25.15 | a | 16.12 | 27.69 | 44.95 | 57.35 | 63.62 | 69.52 | 67.23 | 57.22 | 44.60 | 35.45 | 25.40 | 44.52 | ||||||||||||
1994 | 11.68 | 16.59 | 30.03 | 45.42 | 54.28 | a | 66.74 | a | 71.43 | b | 65.68 | a | 57.93 | 46.05 | 41.13 | 30.82 | 44.82 | |||||||||
1995 | 27.95 | 19.84 | 36.53 | 41.43 | a | 53.27 | 66.28 | 71.97 | 68.03 | a | 56.62 | 51.13 | a | 34.20 | 21.40 | 45.72 | ||||||||||
1996 | 19.79 | 22.34 | 28.84 | ----- | z | 52.77 | 66.28 | a | 65.19 | 63.76 | 57.17 | 47.05 | 33.70 | 32.47 | 44.49 | a | ||||||||||
1997 | 22.73 | 29.54 | 31.95 | 41.35 | 51.63 | 65.42 | 67.68 | 66.15 | a | 57.19 | a | 44.58 | 35.12 | ----- | z | 46.67 | a | |||||||||
1998 | 28.34 | 29.80 | 34.95 | 45.78 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.79 | b | 36.33 | g | 35.73 | g | |||
1999 | 25.94 | e | 28.07 | a | 35.16 | b | 46.57 | ----- | z | 68.28 | 72.73 | 67.94 | 63.72 | 47.89 | 43.67 | a | 31.29 | 48.30 | a | |||||||
2000 | 23.56 | f | 28.16 | a | 40.19 | 45.08 | 57.90 | 65.52 | 66.90 | 67.00 | 60.02 | 49.13 | 38.77 | 23.65 | 49.30 | a | ||||||||||
2001 | 23.69 | 27.34 | 31.98 | 45.69 | a | 57.93 | c | 66.62 | a | 67.35 | 71.24 | 60.62 | 50.82 | 43.12 | 43.14 | t | 49.67 | a | ||||||||
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.32 | 23.50 | 32.85 | 44.51 | 55.51 | 64.09 | 68.52 | 66.55 | 58.00 | 46.80 | 38.12 | 26.36 | 45.18 | |||||||||||||
S.D. | 5.21 | 5.15 | 3.29 | 2.36 | 2.50 | 2.30 | 2.05 | 2.18 | 1.98 | 3.02 | 2.98 | 4.90 | 1.36 | |||||||||||||
SKEW | -0.39 | -0.54 | -0.12 | -0.73 | -0.06 | -0.14 | 0.25 | 0.10 | 0.74 | 0.10 | 0.05 | -0.73 | 0.63 | |||||||||||||
MAX | 31.26 | 30.40 | 40.19 | 48.45 | 60.76 | 68.28 | 72.73 | 71.24 | 63.72 | 52.81 | 43.67 | 33.74 | 48.29 | |||||||||||||
MIN | 11.34 | 11.88 | 26.16 | 38.38 | 51.63 | 59.74 | 65.19 | 61.59 | 54.58 | 41.02 | 32.80 | 12.74 | 42.76 | |||||||||||||
YRS | 26 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 27 | 27 | 28 | 26 | 19 |