YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | 65.39 | 68.87 | 74.29 | 71.68 | 62.03 | 51.84 | 35.93 | 27.55 | b | 57.20 | d | |||||||
1987 | 20.45 | 24.04 | a | 38.73 | a | 55.33 | 63.94 | 72.83 | 77.00 | 74.35 | 65.57 | 54.80 | a | 37.57 | 27.03 | a | 50.97 | |||||||||
1988 | 22.16 | 25.48 | 35.13 | 47.33 | 66.13 | 70.14 | a | 77.29 | 74.68 | 64.47 | 48.65 | 41.52 | a | 23.77 | 49.73 | |||||||||||
1989 | 22.81 | 21.68 | 32.47 | a | 45.00 | 67.87 | a | 71.57 | 78.03 | 75.40 | a | 68.60 | 55.35 | 34.55 | a | 13.10 | b | 48.87 | ||||||||
1990 | 27.52 | 22.36 | 34.50 | a | 47.73 | 62.35 | 72.43 | 77.07 | a | 78.42 | 64.50 | 52.48 | 36.93 | b | 29.33 | a | 50.47 | |||||||||
1991 | 16.13 | 26.82 | 35.48 | 49.03 | a | 63.97 | 73.80 | 77.42 | 77.26 | d | 61.50 | 52.77 | 39.17 | a | 22.97 | a | 49.69 | |||||||||
1992 | 19.87 | a | 21.29 | a | 29.97 | 46.13 | 66.65 | 71.07 | 70.81 | 73.48 | 67.93 | b | 49.13 | 36.33 | 26.84 | 48.29 | ||||||||||
1993 | 19.48 | 14.14 | 36.87 | 49.23 | 63.19 | 71.70 | 75.87 | 77.19 | 65.63 | 47.52 | 36.87 | 26.00 | 48.64 | |||||||||||||
1994 | 9.71 | 19.07 | 33.65 | 45.63 | 59.65 | 74.73 | 77.39 | 72.74 | 62.87 | 54.29 | 44.13 | 28.00 | 48.49 | |||||||||||||
1995 | 22.32 | 18.82 | 34.90 | 43.63 | 61.55 | 74.40 | 78.77 | 77.71 | 64.10 | 57.39 | 34.70 | 22.00 | 49.19 | |||||||||||||
1996 | 20.97 | b | 23.41 | 32.06 | 45.53 | 58.26 | 72.93 | 74.45 | 75.23 | a | 66.23 | 50.39 | 36.66 | a | 31.81 | 48.99 | ||||||||||
1997 | 17.45 | 23.50 | 30.65 | 45.07 | 54.97 | 73.03 | 77.36 | c | 71.48 | 62.50 | 49.81 | 35.30 | 22.74 | 46.99 | ||||||||||||
1998 | 17.97 | 30.54 | 34.23 | 46.93 | 67.97 | b | 70.23 | 75.84 | 74.84 | 63.80 | 49.29 | 34.47 | 29.65 | 49.65 | ||||||||||||
1999 | 20.71 | 29.89 | 38.90 | 47.47 | 70.55 | 78.18 | b | 78.50 | c | 74.60 | a | 73.00 | a | 49.68 | 42.41 | a | 28.55 | 52.70 | ||||||||
2000 | 18.61 | 27.03 | 40.97 | 45.59 | a | 59.45 | 71.14 | a | 73.68 | 73.63 | a | 62.22 | l | 52.94 | 39.13 | 20.12 | e | 47.48 | a | |||||||
2001 | 21.80 | a | 25.04 | 32.84 | 46.82 | b | 70.35 | 73.03 | 75.19 | 79.06 | 68.73 | d | 56.97 | 42.23 | 33.03 | a | 52.09 | |||||||||
2002 | 23.55 | 25.21 | 33.35 | 47.23 | 59.00 | 69.67 | 75.52 | 78.90 | 72.03 | 48.29 | 34.97 | a | 26.03 | 49.48 | ||||||||||||
2003 | 14.23 | 18.07 | 34.06 | 44.23 | 60.29 | 74.50 | 74.52 | 75.00 | 70.93 | 51.68 | 40.80 | 27.77 | 48.84 | |||||||||||||
2004 | 11.97 | 24.31 | 36.84 | 47.93 | 62.58 | 68.30 | 75.94 | 74.35 | 66.00 | a | 55.55 | 37.63 | 22.52 | 48.66 | ||||||||||||
2005 | 17.97 | 28.14 | 32.81 | 48.33 | 56.48 | 74.87 | 79.61 | 77.55 | 68.10 | 54.57 | a | 38.24 | a | 25.13 | 50.15 | |||||||||||
2006 | 24.45 | 21.61 | 34.84 | 52.37 | 64.29 | 75.07 | 79.32 | 72.61 | 66.47 | 51.03 | 42.79 | a | 31.35 | 51.35 | ||||||||||||
2007 | 22.65 | 18.96 | 33.42 | 45.43 | 61.71 | 73.07 | 76.06 | 73.97 | 69.00 | a | 57.13 | 35.53 | 22.42 | 49.11 | ||||||||||||
2008 | 23.26 | 24.07 | 29.74 | 51.37 | 60.81 | 70.40 | 78.23 | 73.71 | 66.13 | 52.65 | 40.60 | 23.67 | a | 49.55 | ||||||||||||
2009 | 12.48 | 26.21 | 34.45 | 49.43 | 61.74 | 70.20 | 73.65 | 76.61 | 67.34 | a | 45.42 | 46.07 | 24.66 | b | 49.02 | |||||||||||
2010 | 26.35 | 28.11 | 42.46 | c | 54.10 | 66.52 | 71.30 | 80.35 | 78.61 | 65.60 | 52.23 | 38.48 | a | 28.45 | 52.71 | |||||||||||
2011 | 20.58 | 21.32 | 33.58 | 46.20 | 59.90 | 72.33 | 77.58 | 74.94 | 69.50 | 54.55 | 45.66 | a | 31.88 | f | 52.38 | a | ||||||||||
2012 | 20.76 | b | 26.69 | 41.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.55 | i | ||
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 | 19.85 | 23.69 | 34.93 | 47.72 | 62.91 | 72.30 | 76.53 | 75.31 | 66.50 | 52.17 | 38.80 | 25.78 | 49.72 | |||||||||||||
S.D. | 4.30 | 3.90 | 3.31 | 2.96 | 4.00 | 2.24 | 2.17 | 2.22 | 3.03 | 3.16 | 3.49 | 4.25 | 1.43 | |||||||||||||
SKEW | -0.61 | -0.38 | 0.70 | 1.08 | 0.13 | 0.43 | -0.52 | 0.18 | 0.34 | -0.12 | 0.59 | -0.81 | 0.68 | |||||||||||||
MAX | 27.52 | 30.54 | 42.46 | 55.33 | 70.55 | 78.18 | 80.35 | 79.06 | 73.00 | 57.39 | 46.07 | 33.03 | 52.71 | |||||||||||||
MIN | 9.71 | 14.14 | 29.74 | 43.63 | 54.97 | 68.30 | 70.81 | 71.48 | 61.50 | 45.42 | 34.47 | 13.10 | 46.99 | |||||||||||||
YRS | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 23 |