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 | 20.90 | 20.90 | k | |
1974 | 12.94 | 8.79 | 21.65 | 32.34 | a | 40.17 | a | 49.77 | 53.23 | a | 49.48 | 43.23 | 26.71 | 25.50 | 18.68 | 31.87 | ||||||||||
1975 | 13.55 | 14.89 | a | 19.35 | 27.30 | 45.03 | a | 53.50 | 57.77 | 53.43 | a | 43.97 | 37.68 | 31.38 | a | 16.10 | 34.50 | |||||||||
1976 | 2.10 | 15.57 | a | 21.77 | 33.57 | b | 39.10 | b | 55.30 | 54.10 | 52.55 | b | 42.36 | b | 30.36 | c | 23.66 | a | 7.58 | 31.50 | ||||||
1977 | 0.03 | 9.46 | b | 26.52 | 31.43 | 41.17 | a | 49.70 | 53.94 | 52.77 | 47.93 | a | 32.19 | 31.33 | 13.93 | a | 32.53 | |||||||||
1978 | 8.37 | a | 2.89 | 16.71 | 29.33 | 42.48 | 48.20 | 52.52 | 55.55 | 40.00 | 28.63 | a | 23.41 | a | 14.27 | a | 30.20 | |||||||||
1979 | 13.27 | a | 2.46 | 24.30 | a | 31.41 | a | 44.97 | 48.03 | 54.90 | 53.39 | 41.83 | 37.13 | 29.40 | 18.87 | 33.33 | ||||||||||
1980 | 13.81 | 5.41 | 19.82 | c | 31.56 | c | 41.37 | a | 45.38 | a | 55.00 | 55.68 | 44.53 | 31.52 | 22.33 | 6.74 | 31.10 | |||||||||
1981 | -0.84 | 15.54 | 22.06 | 32.30 | 40.03 | b | 50.97 | 56.06 | 52.00 | f | 45.50 | 30.57 | a | 26.77 | 14.17 | b | 30.28 | a | ||||||||
1982 | 7.45 | t | ----- | z | ----- | z | ----- | z | 43.32 | 49.28 | a | 52.58 | 48.17 | b | 46.30 | 31.77 | 30.76 | a | 21.86 | b | 40.51 | d | ||||
1983 | 14.29 | 13.60 | c | 27.45 | 35.85 | c | 42.31 | b | 51.17 | 55.81 | d | 54.50 | a | 43.21 | a | 34.21 | b | 25.67 | 13.74 | 34.32 | ||||||
1984 | 4.77 | 20.07 | 16.52 | b | 32.80 | 38.19 | 49.96 | f | 53.71 | 56.19 | 43.14 | b | 37.94 | 26.83 | 24.74 | 32.26 | a | |||||||||
1985 | 8.00 | b | 14.57 | 22.67 | a | 34.93 | a | 45.16 | 51.00 | 56.89 | c | 54.39 | 48.45 | a | 34.81 | 31.52 | c | 13.21 | c | 34.63 | ||||||
1986 | 11.63 | a | 14.86 | 23.16 | 34.72 | a | 44.71 | 49.47 | 58.13 | 54.42 | 47.00 | 35.40 | a | 25.23 | 20.52 | 34.94 | ||||||||||
1987 | 9.45 | 9.04 | 22.23 | 36.07 | 42.77 | 53.28 | a | 58.29 | 51.39 | 47.30 | 30.52 | 25.40 | 20.81 | 33.88 | ||||||||||||
1988 | 4.19 | 9.69 | 21.10 | b | 32.77 | 43.97 | a | 49.20 | 59.52 | b | 59.06 | 43.50 | 32.71 | 29.47 | 14.84 | 33.33 | ||||||||||
1989 | 16.00 | 14.11 | 20.00 | a | 29.87 | 45.26 | 54.80 | 56.87 | 55.32 | 47.96 | b | 36.58 | 26.83 | a | 2.97 | 33.88 | ||||||||||
1990 | 22.71 | 16.68 | 22.81 | 33.63 | 42.42 | 52.23 | 57.48 | 57.74 | 45.93 | 41.32 | 29.37 | 21.47 | a | 36.98 | ||||||||||||
1991 | 10.71 | 17.82 | 26.13 | 34.70 | 47.23 | 53.27 | 55.84 | 55.33 | a | 45.43 | 36.71 | 29.57 | 18.81 | 35.96 | ||||||||||||
1992 | 13.42 | 16.07 | 19.77 | 30.93 | 41.65 | 49.28 | a | 53.23 | 52.13 | 44.67 | 30.87 | a | 27.83 | 16.03 | 32.99 | |||||||||||
1993 | 16.20 | a | 3.61 | 16.10 | 32.37 | 43.19 | 50.27 | 55.23 | 53.32 | 46.10 | 31.90 | 22.93 | 16.06 | 32.27 | ||||||||||||
1994 | -0.97 | 4.32 | 20.68 | 32.03 | 41.70 | a | 54.73 | 58.69 | b | 54.63 | a | 46.43 | 32.48 | 29.43 | 20.03 | 32.85 | ||||||||||
1995 | 19.94 | 8.00 | 25.77 | 29.59 | a | 41.13 | 52.07 | 59.77 | 52.83 | a | 42.70 | 38.00 | 25.70 | 14.03 | 34.13 | |||||||||||
1996 | 9.65 | 13.10 | 16.97 | ----- | z | 40.84 | 55.45 | a | 52.74 | 47.94 | 44.90 | 35.10 | 24.43 | 25.68 | 33.34 | a | ||||||||||
1997 | 13.48 | 19.07 | 22.13 | 29.33 | 40.06 | 51.77 | 54.10 | 53.80 | a | 43.90 | a | 30.32 | 25.87 | ----- | z | 34.89 | a | |||||||||
1998 | 18.52 | 18.93 | 23.58 | 32.52 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.39 | b | 25.38 | e | 25.05 | f | |||
1999 | 15.31 | e | 18.96 | a | 25.72 | b | 33.80 | ----- | z | 54.37 | 60.42 | 56.32 | 52.90 | 35.77 | 33.83 | 22.97 | 37.31 | a | ||||||||
2000 | 12.60 | f | 17.69 | 28.55 | 34.40 | 46.35 | 53.80 | 55.84 | 56.45 | 49.03 | 37.71 | 31.07 | 14.32 | 38.66 | a | |||||||||||
2001 | 14.13 | 17.54 | 23.26 | 33.31 | a | 44.50 | c | 54.52 | a | 54.45 | 59.06 | 47.90 | 37.52 | 32.70 | 32.09 | t | 38.08 | 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 | 10.95 | 12.69 | 22.10 | 32.42 | 42.66 | 51.57 | 55.82 | 54.07 | 45.41 | 33.94 | 27.84 | 16.99 | 33.43 | |||||||||||||
S.D. | 6.29 | 5.49 | 3.35 | 2.16 | 2.30 | 2.63 | 2.33 | 2.82 | 2.70 | 3.51 | 3.22 | 5.58 | 1.67 | |||||||||||||
SKEW | -0.43 | -0.55 | -0.06 | -0.38 | 0.07 | -0.29 | 0.34 | -0.41 | 0.51 | -0.00 | 0.03 | -0.57 | 0.10 | |||||||||||||
MAX | 22.71 | 20.07 | 28.55 | 36.07 | 47.23 | 55.45 | 60.42 | 59.06 | 52.90 | 41.32 | 33.83 | 25.68 | 36.98 | |||||||||||||
MIN | -0.97 | 2.46 | 16.10 | 27.30 | 38.19 | 45.38 | 52.52 | 47.94 | 40.00 | 26.71 | 22.33 | 2.97 | 30.20 | |||||||||||||
YRS | 26 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 27 | 27 | 28 | 27 | 19 |