YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.23 | 50.74 | 39.90 | 27.16 | 21.27 | 16.48 | 34.30 | f | ||||||
1995 | 14.35 | 23.61 | 24.07 | a | 27.70 | 33.71 | 39.83 | a | 48.71 | 51.97 | 41.93 | 26.52 | 22.50 | 14.90 | 30.82 | |||||||||||
1996 | 13.90 | 21.52 | 21.13 | 27.33 | 40.23 | 45.66 | a | 52.45 | 50.48 | 39.13 | 28.35 | 20.87 | 15.97 | 31.42 | ||||||||||||
1997 | 10.87 | 15.86 | 21.84 | 27.27 | 37.73 | a | 43.63 | 48.42 | 49.32 | 46.00 | 27.41 | b | 19.90 | 6.90 | a | 29.60 | ||||||||||
1998 | 15.55 | 15.22 | e | 20.94 | 25.77 | 34.07 | a | 43.50 | 53.10 | 50.29 | 44.52 | a | 31.00 | c | 22.63 | 14.53 | a | 30.93 | ||||||||
1999 | 17.23 | a | 18.71 | 26.26 | 26.17 | a | 34.61 | 44.57 | 52.29 | 49.16 | 39.77 | 25.23 | 18.07 | 6.03 | a | 29.84 | ||||||||||
2000 | 15.90 | 19.14 | 21.55 | 29.87 | 36.93 | c | 48.12 | d | 51.81 | 49.00 | 40.11 | b | 30.94 | 13.64 | b | 11.87 | 30.74 | |||||||||
2001 | 6.03 | 17.11 | a | 23.23 | 28.41 | a | 37.66 | b | 46.57 | 51.00 | 48.47 | a | 40.36 | b | 29.18 | c | 19.00 | 7.70 | a | 29.56 | ||||||
2002 | 8.16 | 13.07 | 17.13 | a | 32.13 | 35.48 | b | 46.30 | 51.94 | 47.94 | 41.60 | 29.10 | a | 19.83 | 6.42 | 29.09 | ||||||||||
2003 | 17.65 | 15.63 | a | 20.58 | 26.26 | c | 36.55 | b | 42.97 | 51.83 | a | 50.03 | 39.79 | b | 31.46 | e | 17.88 | d | 11.69 | e | 30.19 | |||||
2004 | 10.39 | c | 11.44 | d | 25.30 | a | 27.42 | k | 36.31 | b | 44.20 | 47.10 | a | 45.43 | a | 38.21 | b | 29.10 | b | 18.86 | a | 11.12 | g | 30.64 | b | |
2005 | 18.67 | a | 22.36 | 20.62 | b | 26.17 | a | 36.07 | a | 41.97 | a | 51.42 | 48.13 | a | 41.54 | b | 28.86 | c | 17.79 | b | 11.28 | b | 30.40 | |||
2006 | 9.76 | f | 12.32 | 20.15 | d | 28.43 | b | 37.80 | f | 47.52 | a | 51.84 | 50.42 | 35.71 | b | 29.22 | d | 15.89 | c | 8.83 | a | 30.03 | b | |||
2007 | 3.29 | g | 17.41 | a | 21.18 | c | 29.04 | c | 35.83 | b | 45.66 | a | 51.16 | 50.52 | 40.10 | a | 27.41 | d | 19.52 | e | 9.00 | h | 33.78 | b | ||
2008 | 4.50 | g | 14.69 | c | 18.75 | c | 23.68 | e | 31.93 | d | 43.77 | 51.42 | 50.17 | a | 37.55 | a | 25.81 | 18.15 | c | 9.71 | c | 29.60 | a | |||
2009 | 10.18 | c | 16.31 | b | 20.85 | d | 22.93 | a | 39.90 | a | 39.81 | d | 52.50 | c | 47.17 | a | 39.23 | 25.93 | c | 16.45 | a | 3.85 | e | 27.92 | ||
2010 | 6.93 | a | 10.57 | 16.45 | b | 25.96 | c | 30.93 | d | 43.52 | c | 54.17 | a | ----- | z | 45.62 | f | 34.80 | a | 14.79 | b | ----- | z | 26.46 | c | |
2011 | ----- | z | 9.96 | a | ----- | z | 32.13 | g | 35.79 | c | 46.79 | a | 50.55 | 50.63 | a | 43.73 | 31.06 | 20.11 | b | 10.04 | f | 36.08 | d | |||
2012 | 13.93 | d | 17.07 | b | 20.80 | f | 29.57 | b | 38.28 | f | 48.19 | c | 51.81 | d | 50.71 | c | 43.00 | 30.87 | ----- | z | ----- | z | 35.64 | d | ||
2013 | 2.43 | a | ----- | z | ----- | z | 28.70 | 35.83 | a | ----- | z | 53.35 | 50.03 | 42.97 | 26.74 | 24.23 | h | 11.70 | d | 31.47 | d | |||||
2014 | 13.81 | 22.14 | 21.47 | a | 28.03 | 32.29 | 46.33 | 52.72 | b | 47.68 | 45.07 | 32.29 | 22.90 | a | ----- | z | 33.16 | a | ||||||||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | 33.43 | q | 47.57 | 51.48 | 50.71 | 44.83 | 35.42 | 19.79 | p | ----- | z | 46.00 | g | |||||
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.06 | n | 55.20 | a | 47.84 | 41.63 | 34.70 | a | ----- | z | ----- | z | 44.84 | h | ||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | 35.64 | i | 48.97 | 53.10 | 49.67 | a | 43.86 | a | 31.23 | ----- | z | ----- | z | 45.36 | g | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 12.25 | 16.53 | 21.26 | 27.41 | 35.66 | 45.02 | 51.65 | 49.41 | 41.33 | 29.57 | 18.95 | 10.53 | 30.05 | |||||||||||||
S.D. | 4.63 | 4.04 | 2.53 | 2.21 | 2.49 | 2.59 | 1.78 | 1.51 | 2.63 | 2.88 | 2.57 | 3.89 | 0.99 | |||||||||||||
SKEW | -0.53 | 0.11 | 0.08 | -0.09 | -0.07 | -0.48 | -0.66 | -0.81 | -0.07 | 0.46 | -0.30 | -0.01 | -0.71 | |||||||||||||
MAX | 18.67 | 23.61 | 26.26 | 32.13 | 40.23 | 48.97 | 55.20 | 51.97 | 46.00 | 35.42 | 22.90 | 16.48 | 31.42 | |||||||||||||
MIN | 2.43 | 9.96 | 16.45 | 22.93 | 30.93 | 39.81 | 47.10 | 45.43 | 35.71 | 25.23 | 13.64 | 3.85 | 27.92 | |||||||||||||
YRS | 16 | 19 | 17 | 18 | 18 | 21 | 24 | 23 | 23 | 24 | 19 | 15 | 11 |