YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.25 | 31.23 | 35.24 | j | ||
1981 | 36.47 | 36.96 | 46.44 | 50.65 | 59.68 | 62.50 | 71.68 | 76.69 | 63.68 | 49.85 | 40.45 | 29.34 | 52.03 | |||||||||||||
1982 | 24.47 | 31.83 | b | 42.84 | 47.45 | 58.68 | 70.55 | 71.21 | 71.82 | 62.58 | 49.26 | 32.38 | 27.92 | 49.25 | ||||||||||||
1983 | 33.17 | k | 38.09 | 46.26 | 51.20 | 61.31 | 65.96 | b | 68.65 | 74.16 | 60.00 | 50.47 | 41.34 | a | 21.73 | 52.65 | a | |||||||||
1984 | 30.40 | 35.97 | 45.84 | 48.87 | 55.68 | 65.32 | 73.98 | 74.66 | 59.68 | 46.62 | b | 37.62 | 18.88 | c | 49.46 | |||||||||||
1985 | 23.79 | 22.82 | 38.81 | 52.75 | 62.50 | 68.80 | 79.87 | ----- | z | ----- | z | ----- | z | ----- | z | 23.54 | c | 46.61 | d | |||||||
1986 | 28.79 | 31.79 | 46.17 | a | 51.43 | a | 61.11 | c | 72.43 | a | 71.50 | a | 77.87 | a | 59.67 | 51.58 | 38.96 | b | 31.07 | b | 51.86 | |||||
1987 | 28.19 | 35.96 | 45.40 | 55.97 | 62.79 | 70.84 | a | 72.44 | 71.95 | 66.62 | 51.79 | 40.20 | 28.91 | b | 52.59 | |||||||||||
1988 | 25.17 | d | 35.50 | 43.45 | 54.37 | 59.55 | 66.55 | 74.08 | 72.66 | 63.50 | 54.76 | 39.03 | 30.07 | d | 51.56 | |||||||||||
1989 | 30.62 | a | 25.96 | b | 40.87 | a | 54.32 | 59.42 | 69.87 | 73.95 | 70.32 | a | 64.32 | 50.55 | 40.13 | 33.02 | 51.11 | |||||||||
1990 | 35.16 | b | 31.37 | b | 44.95 | 55.97 | 57.73 | ----- | z | ----- | z | ----- | z | 68.09 | a | 48.05 | a | 40.52 | d | 22.64 | f | 47.73 | d | |||
1991 | 25.37 | d | 40.57 | 41.23 | 51.75 | 59.45 | ----- | z | 73.54 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.67 | g | ||||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.84 | 33.35 | 43.84 | 52.25 | 59.81 | 68.09 | 73.04 | 73.77 | 63.13 | 50.33 | 38.99 | 27.57 | 51.12 | |||||||||||||
S.D. | 4.40 | 5.29 | 2.60 | 2.75 | 2.08 | 3.20 | 3.10 | 2.58 | 3.01 | 2.34 | 2.55 | 4.63 | 1.29 | |||||||||||||
SKEW | 0.55 | -0.71 | -0.69 | -0.17 | -0.34 | -0.35 | 1.00 | 0.35 | 0.26 | 0.29 | -1.90 | -0.76 | -0.57 | |||||||||||||
MAX | 36.47 | 40.57 | 46.44 | 55.97 | 62.79 | 72.43 | 79.87 | 77.87 | 68.09 | 54.76 | 41.34 | 33.02 | 52.59 | |||||||||||||
MIN | 23.79 | 22.82 | 38.81 | 47.45 | 55.68 | 62.50 | 68.65 | 70.32 | 59.67 | 46.62 | 32.38 | 18.88 | 49.25 | |||||||||||||
YRS | 10 | 11 | 11 | 11 | 11 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 7 |