YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.30 | a | 25.13 | 21.94 | 30.12 | i | ||
1993 | 27.36 | c | 25.78 | a | 29.60 | a | 34.33 | c | 43.71 | c | 52.57 | b | 57.93 | b | 54.04 | d | 48.17 | a | 38.53 | a | 26.00 | b | 24.00 | a | 38.50 | |
1994 | 22.67 | a | 25.33 | a | 29.84 | 35.21 | b | 45.23 | 57.67 | 58.23 | 56.92 | f | 50.50 | 39.10 | a | 30.36 | b | 28.07 | a | 38.38 | a | |||||
1995 | 24.53 | a | 29.00 | a | 31.50 | a | 32.86 | a | 41.73 | a | 50.53 | 55.17 | a | 55.50 | a | 46.89 | c | 38.66 | b | 30.48 | c | 25.19 | 38.50 | |||
1996 | 24.32 | 27.00 | 25.42 | 35.76 | a | 49.00 | 55.97 | a | 57.41 | i | 55.77 | i | 46.24 | e | 38.14 | b | 32.30 | 24.00 | c | 35.81 | b | |||||
1997 | 18.84 | 23.26 | a | 30.50 | a | 31.67 | 44.03 | 52.30 | c | 55.93 | b | 55.75 | c | 50.97 | a | 38.57 | a | 28.14 | b | 18.50 | a | 37.37 | ||||
1998 | 25.50 | a | 24.19 | a | 27.17 | a | 30.63 | 44.45 | 53.21 | a | 56.66 | b | 54.13 | 52.41 | a | 41.61 | 34.07 | 22.94 | 38.91 | |||||||
1999 | 25.19 | 26.96 | ----- | z | 31.90 | a | 41.93 | b | 51.59 | a | 57.62 | g | 55.83 | b | 47.93 | a | 39.52 | b | 33.55 | a | 22.42 | 37.68 | b | |||
2000 | 25.70 | a | 27.83 | 28.40 | a | 37.45 | a | 48.06 | 52.86 | b | 57.23 | a | 54.61 | c | 50.66 | a | 40.45 | 23.59 | a | 19.61 | 38.87 | |||||
2001 | 19.35 | 25.04 | a | 28.58 | 35.60 | 44.77 | a | 54.27 | 58.35 | 55.04 | d | 50.34 | a | 41.45 | 31.90 | 21.50 | a | 38.85 | ||||||||
2002 | 21.89 | c | 20.21 | 26.55 | 39.10 | 43.81 | 52.77 | 53.65 | 56.52 | 49.33 | 38.45 | 29.62 | a | 21.62 | b | 37.79 | ||||||||||
2003 | 25.77 | 23.60 | c | 28.33 | a | 34.96 | b | 43.77 | 49.24 | a | 57.39 | c | 55.13 | 46.71 | b | 42.63 | a | 30.85 | d | 23.65 | 38.50 | |||||
2004 | 24.43 | a | 18.96 | a | 33.39 | 36.31 | d | 45.23 | 51.67 | c | 55.07 | b | 50.83 | b | 48.19 | c | 38.28 | b | 27.82 | b | 23.48 | b | 37.80 | |||
2005 | 28.77 | 28.00 | 27.07 | b | 35.24 | a | 46.23 | a | 53.81 | c | 54.14 | b | 55.72 | b | 51.68 | b | 40.27 | a | 33.03 | a | 24.80 | a | 39.90 | |||
2006 | 26.62 | b | 24.04 | a | 30.20 | a | 38.24 | a | 47.71 | 57.32 | b | 59.30 | a | 54.96 | h | 39.52 | a | 35.83 | a | 29.78 | c | 17.25 | g | 38.86 | b | |
2007 | 10.63 | a | 20.88 | b | 27.60 | f | 28.65 | d | 37.19 | e | 48.91 | h | 54.76 | b | 55.17 | b | 51.57 | 40.76 | b | 30.93 | a | 17.54 | c | 34.81 | b | |
2008 | 19.07 | c | 24.76 | 27.74 | 33.45 | a | 40.53 | a | 52.62 | a | 56.94 | 54.66 | b | 50.87 | 42.07 | a | 30.57 | 22.73 | a | 38.00 | ||||||
2009 | 23.06 | 25.89 | 30.10 | a | 32.43 | 46.60 | a | 52.62 | f | 57.30 | d | 55.97 | 48.41 | c | 37.33 | a | 30.97 | 20.81 | 37.17 | a | ||||||
2010 | 20.97 | b | 22.75 | 27.93 | a | 36.24 | a | 42.47 | a | 56.69 | a | 57.14 | c | 57.56 | d | 52.85 | d | 43.48 | 32.42 | d | 28.83 | a | 39.94 | |||
2011 | 21.97 | b | 24.15 | b | 35.37 | a | 41.54 | d | 43.48 | f | 60.31 | a | 61.03 | a | 61.14 | b | 51.96 | d | 40.76 | b | 31.97 | a | 25.46 | g | 43.02 | b |
2012 | 26.45 | 23.59 | 32.93 | b | 37.58 | f | ----- | z | ----- | z | 57.50 | s | 57.93 | b | 50.74 | c | 41.48 | 34.70 | g | 23.86 | c | 36.71 | e | |||
2013 | 20.48 | d | 21.85 | b | 30.38 | j | 34.19 | i | 40.50 | k | 55.37 | k | 57.44 | f | 56.23 | e | 50.44 | e | 37.54 | c | 29.35 | d | 18.85 | d | 33.53 | e |
2014 | 20.66 | b | 26.32 | f | 24.52 | d | 34.88 | m | 41.48 | d | 53.94 | m | 57.89 | d | 55.62 | g | 48.64 | e | 42.82 | i | 25.20 | j | 22.44 | f | 38.64 | g |
2015 | 22.96 | h | 26.50 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.92 | 24.43 | 29.22 | 34.82 | 44.10 | 53.85 | 56.89 | 55.65 | 49.32 | 39.92 | 30.13 | 22.72 | 38.58 | |||||||||||||
S.D. | 3.94 | 2.61 | 2.75 | 3.11 | 2.86 | 2.87 | 1.87 | 2.05 | 2.90 | 2.06 | 2.73 | 2.89 | 0.79 | |||||||||||||
SKEW | -1.27 | -0.25 | 0.46 | 0.11 | -0.41 | 0.64 | 0.14 | 0.44 | -1.75 | 0.04 | -0.85 | 0.23 | 0.38 | |||||||||||||
MAX | 28.77 | 29.00 | 35.37 | 41.54 | 49.00 | 60.31 | 61.03 | 61.14 | 52.85 | 43.48 | 34.07 | 28.83 | 39.94 | |||||||||||||
MIN | 10.63 | 18.96 | 24.52 | 28.65 | 37.19 | 49.24 | 53.65 | 50.83 | 39.52 | 35.83 | 23.59 | 17.54 | 37.37 | |||||||||||||
YRS | 22 | 21 | 19 | 19 | 19 | 17 | 18 | 18 | 22 | 22 | 21 | 20 | 12 |