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 | 45.83 | b | 34.04 | d | 32.77 | 37.55 | i | |
1981 | 29.43 | a | 28.79 | 33.50 | a | 46.90 | ----- | z | 63.36 | e | 65.11 | c | 62.18 | c | 56.08 | f | 40.03 | b | 28.97 | 23.62 | e | 42.19 | b | |||
1982 | 22.17 | a | 23.67 | a | 33.37 | d | 36.85 | d | 46.96 | c | ----- | z | 62.45 | 61.61 | 55.80 | 36.55 | 31.03 | 23.52 | 39.45 | a | ||||||
1983 | 23.90 | b | 27.62 | b | 34.43 | a | 34.60 | 47.23 | a | 56.77 | 63.67 | a | 64.52 | 58.52 | a | 46.10 | 32.96 | b | 25.30 | a | 42.97 | |||||
1984 | 22.29 | 25.15 | b | 29.76 | b | 35.00 | 54.53 | a | 56.00 | c | 65.31 | b | 65.10 | b | 52.60 | e | 38.28 | f | 30.20 | 24.87 | a | 41.89 | a | |||
1985 | 20.86 | b | 25.33 | a | 36.71 | 47.77 | 55.04 | d | 65.62 | d | 67.33 | a | 67.97 | b | 55.88 | d | 46.38 | b | 33.04 | d | 29.08 | e | 45.92 | |||
1986 | 29.87 | 34.04 | 39.13 | a | 42.50 | 52.14 | b | 63.87 | 67.43 | a | 67.38 | g | 56.56 | c | 43.62 | b | 34.07 | a | 27.30 | a | 44.59 | a | ||||
1987 | 22.45 | 29.57 | 32.00 | 45.54 | b | 51.56 | d | 66.93 | 66.77 | 64.00 | b | 58.41 | a | 50.58 | 33.20 | 22.10 | b | 45.26 | ||||||||
1988 | 19.93 | c | 28.38 | 31.66 | b | 43.32 | b | 50.71 | 59.62 | a | 67.60 | a | 64.52 | 55.50 | 51.37 | a | 33.30 | 24.87 | a | 44.23 | ||||||
1989 | 17.55 | 24.04 | 40.32 | 47.87 | 51.07 | b | 61.82 | b | 68.87 | a | 65.00 | 59.43 | 44.57 | a | 36.80 | 27.03 | 45.36 | |||||||||
1990 | 22.65 | 28.36 | 37.74 | 46.10 | 52.17 | b | 67.52 | c | 69.13 | a | 65.55 | b | 57.00 | a | 43.45 | 28.97 | 14.83 | b | 44.46 | |||||||
1991 | 16.19 | 26.21 | 30.23 | a | 35.97 | 50.61 | 57.13 | 66.71 | c | 53.30 | a | 58.47 | 46.07 | c | 28.21 | b | 11.54 | c | 40.05 | |||||||
1992 | 10.83 | a | 22.62 | 31.14 | i | 49.07 | 53.45 | 61.73 | 61.68 | 61.06 | 58.44 | c | 49.83 | a | 28.62 | a | 16.16 | 43.05 | a | |||||||
1993 | 27.26 | 30.14 | 37.16 | 40.39 | b | 52.10 | 58.80 | 69.30 | a | 60.23 | 57.83 | a | 44.28 | b | 29.87 | 25.43 | a | 44.40 | ||||||||
1994 | 26.30 | a | 26.36 | 38.60 | a | 43.37 | 53.97 | 69.38 | a | 71.47 | a | 68.26 | 61.07 | b | 44.35 | 30.30 | 27.55 | 46.75 | ||||||||
1995 | 28.58 | 36.37 | a | 37.42 | 40.18 | b | 49.20 | a | 58.90 | 67.58 | 67.04 | c | 63.91 | s | 47.52 | 38.30 | 28.00 | a | 45.37 | a | ||||||
1996 | 26.48 | 34.48 | 36.03 | 44.70 | 58.50 | a | 66.67 | 72.40 | a | 67.74 | 55.46 | b | 45.42 | 33.86 | a | 26.94 | 47.39 | |||||||||
1997 | 25.61 | 27.61 | 40.68 | 40.47 | 53.58 | 61.33 | 65.19 | 64.57 | a | 59.10 | 44.32 | 35.36 | b | 25.37 | a | 45.27 | ||||||||||
1998 | 29.20 | a | 28.92 | b | 32.68 | 36.79 | a | 51.65 | 58.93 | 69.70 | u | 55.93 | p | 59.20 | 44.97 | 33.21 | a | 24.70 | a | 40.02 | b | |||||
1999 | 29.47 | a | 29.79 | 38.37 | a | 37.18 | b | 49.10 | 64.21 | a | 67.32 | 62.50 | a | 56.62 | a | 43.90 | b | 36.73 | 25.74 | 45.08 | ||||||
2000 | 28.65 | 32.19 | c | 35.35 | 44.90 | 58.47 | a | 67.43 | b | 68.63 | a | 64.29 | g | 56.97 | 47.16 | 27.00 | b | 28.32 | 45.01 | a | ||||||
2001 | 23.84 | 28.15 | b | 34.93 | a | 44.47 | 56.81 | 63.03 | 64.31 | b | 65.61 | m | 57.77 | 44.90 | 36.63 | 23.83 | b | 43.52 | a | |||||||
2002 | 22.00 | a | 24.32 | 31.77 | 45.38 | a | 52.03 | 68.79 | a | 70.06 | 66.40 | a | 58.07 | b | 44.87 | a | 34.00 | 25.45 | 45.26 | |||||||
2003 | 32.61 | 28.15 | b | 34.13 | a | 37.47 | 51.28 | b | 64.24 | a | 69.90 | 63.84 | 60.21 | a | 49.90 | a | 32.93 | a | 25.11 | c | 45.81 | |||||
2004 | 23.81 | 25.96 | a | 41.48 | 42.07 | 56.03 | 65.38 | a | 67.97 | 66.29 | 55.10 | a | 45.13 | a | 33.43 | 23.23 | 45.49 | |||||||||
2005 | 30.63 | a | 32.11 | a | ----- | z | 40.50 | r | 54.17 | b | 60.43 | 72.32 | 63.74 | 58.47 | 45.23 | 36.73 | 24.74 | 47.86 | b | |||||||
2006 | 26.52 | 28.96 | 35.19 | 43.35 | m | 45.50 | y | 60.40 | 63.93 | d | 60.72 | m | 50.22 | c | 41.71 | 31.75 | b | 22.39 | 40.12 | c | ||||||
2007 | 18.71 | 26.81 | a | 30.77 | a | 43.80 | 49.90 | b | 64.17 | 69.31 | e | 70.23 | 58.13 | g | 45.00 | a | ----- | z | ----- | z | 46.52 | c | ||||
2008 | 19.85 | d | 27.52 | b | 35.45 | 40.57 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.85 | h | ||
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 | 37.81 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.46 | b | ----- | z | ----- | z | ----- | z | 49.64 | j | |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.78 | l | 42.74 | d | 35.30 | ----- | z | 39.02 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.20 | 28.27 | 35.43 | 42.05 | 52.49 | 62.79 | 67.38 | 64.35 | 57.37 | 45.21 | 32.81 | 24.44 | 44.91 | |||||||||||||
S.D. | 5.00 | 3.32 | 3.28 | 4.29 | 3.03 | 3.81 | 2.84 | 3.51 | 2.49 | 3.06 | 2.97 | 4.37 | 1.70 | |||||||||||||
SKEW | -0.58 | 0.60 | 0.03 | -0.23 | 0.25 | -0.05 | -0.14 | -1.25 | -0.93 | -0.32 | -0.15 | -1.29 | -1.48 | |||||||||||||
MAX | 32.61 | 36.37 | 41.48 | 49.07 | 58.50 | 69.38 | 72.40 | 70.23 | 61.46 | 51.37 | 38.30 | 32.77 | 47.39 | |||||||||||||
MIN | 10.83 | 22.62 | 29.76 | 34.60 | 46.96 | 56.00 | 61.68 | 53.30 | 50.22 | 36.55 | 27.00 | 11.54 | 40.05 | |||||||||||||
YRS | 28 | 28 | 27 | 26 | 25 | 26 | 26 | 22 | 25 | 28 | 28 | 27 | 15 |