YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.17 | a | 65.86 | b | 56.23 | d | ----- | z | ----- | z | ----- | z | 63.42 | i |
1984 | 22.08 | r | 33.30 | f | 45.21 | b | 47.66 | a | 55.79 | c | 63.10 | 65.06 | 65.57 | a | 57.93 | 41.89 | l | 29.04 | c | 29.91 | i | 53.67 | d | |||
1985 | 39.00 | e | 26.25 | 38.83 | a | 40.97 | 52.81 | e | 59.10 | 65.07 | a | 63.43 | a | 57.17 | 40.24 | b | 21.21 | k | 32.42 | s | 48.29 | b | ||||
1986 | 33.69 | e | 32.96 | d | 37.63 | d | 40.38 | f | 57.08 | g | 60.14 | a | 66.68 | 59.32 | 57.13 | 48.68 | i | ----- | z | ----- | z | 49.65 | e | |||
1987 | 33.29 | 36.14 | 39.20 | a | 47.65 | m | 53.23 | a | 56.25 | b | 65.30 | a | 66.43 | a | 54.30 | 44.97 | 32.97 | 24.80 | k | 48.21 | b | |||||
1988 | 28.68 | c | 35.58 | c | 39.52 | b | 41.97 | 53.93 | d | 62.77 | 66.29 | 61.86 | b | 55.75 | b | 42.57 | a | 30.69 | d | 28.70 | d | 45.69 | ||||
1989 | 8.70 | h | 32.18 | f | 40.20 | k | 50.50 | v | 56.48 | h | 60.79 | b | 68.41 | b | 62.24 | b | 56.77 | h | 42.67 | a | 28.04 | b | 34.72 | b | 49.48 | f |
1990 | 21.86 | b | 19.85 | b | 40.07 | c | 49.92 | d | 57.58 | e | 64.64 | b | 66.25 | c | 64.07 | c | 55.38 | a | 42.90 | a | 23.24 | a | 27.00 | 44.40 | ||
1991 | 23.35 | 32.50 | 40.23 | 45.70 | 52.97 | b | 63.79 | a | 62.86 | b | 63.35 | e | 56.27 | d | 44.16 | 34.32 | b | 28.14 | c | 45.64 | ||||||
1992 | 29.00 | a | 22.86 | a | 32.65 | 43.10 | a | 52.83 | g | 63.30 | c | 64.74 | 60.80 | a | 51.80 | e | 41.61 | 33.50 | b | 23.79 | b | 42.47 | a | |||
1993 | 25.69 | b | 32.27 | b | 41.27 | a | 49.83 | 58.24 | b | 64.34 | a | 70.16 | 64.74 | d | 56.04 | f | 47.00 | 33.93 | c | 33.79 | c | 47.39 | a | |||
1994 | 31.69 | b | 24.92 | d | 35.62 | b | 49.48 | c | 52.55 | b | 65.33 | c | 64.33 | a | 69.48 | 56.59 | a | 42.55 | 26.13 | 28.72 | b | 45.62 | ||||
1995 | 25.27 | a | 30.23 | b | 31.28 | b | 48.10 | a | 52.47 | a | 62.20 | 64.13 | 64.90 | 57.14 | b | 46.85 | e | 29.27 | d | 29.45 | b | 45.11 | ||||
1996 | 15.85 | e | 31.81 | h | 44.57 | j | 47.63 | 63.23 | a | 65.73 | d | 66.90 | a | 65.41 | b | 57.15 | d | 40.13 | 29.89 | b | 20.59 | b | 47.25 | b | ||
1997 | 24.04 | f | 39.00 | a | 39.40 | a | 47.29 | i | 60.93 | b | 68.81 | d | 69.35 | e | 69.42 | 58.86 | a | 40.67 | g | 35.45 | a | 25.14 | c | 51.82 | c | |
1998 | 26.68 | c | 36.44 | a | 43.45 | 45.28 | a | 50.96 | d | 63.40 | 65.65 | 63.80 | a | 56.96 | c | 45.28 | b | 32.50 | b | 21.37 | d | 45.98 | ||||
1999 | 17.93 | d | 15.74 | a | ----- | z | 41.64 | b | 54.05 | j | 65.28 | a | 69.21 | b | 64.81 | e | 56.50 | 43.96 | f | 30.76 | a | 23.25 | c | 42.79 | c | |
2000 | 20.43 | c | 35.89 | b | 39.87 | 48.28 | e | 55.37 | a | 64.93 | c | 65.25 | c | 67.13 | a | 58.41 | a | 44.89 | c | 37.68 | e | 35.04 | f | 48.92 | a | |
2001 | 35.04 | c | 33.78 | a | 38.48 | b | 45.00 | c | ----- | z | ----- | z | ----- | z | 68.91 | h | 57.07 | b | 41.29 | c | 30.82 | b | 19.73 | e | 37.65 | d |
2002 | 34.93 | p | ----- | z | 38.21 | l | ----- | z | 60.65 | k | ----- | z | 67.79 | b | 64.78 | d | 57.33 | c | 48.67 | a | 40.53 | 29.89 | c | 51.50 | f | |
2003 | 32.48 | b | 37.22 | a | 36.29 | c | 50.21 | f | 58.76 | j | 62.00 | b | 70.28 | f | 68.96 | h | ----- | z | ----- | z | ----- | z | ----- | z | 42.00 | h |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.45 | b | 35.42 | d | 31.23 | a | 37.03 | i |
2005 | 28.31 | b | ----- | z | ----- | z | ----- | z | 61.17 | h | ----- | z | ----- | z | ----- | z | ----- | z | 42.58 | g | 25.33 | f | 32.74 | d | 30.53 | j |
2006 | 19.47 | a | 32.14 | g | 38.95 | j | ----- | z | 57.77 | a | 63.36 | b | 67.27 | a | 64.41 | b | 56.70 | c | 45.11 | c | 18.25 | f | 28.89 | m | 53.44 | e |
2007 | 24.84 | f | 29.38 | g | 27.42 | l | ----- | z | ----- | z | ----- | z | 67.93 | a | 65.42 | 59.18 | b | ----- | z | ----- | z | ----- | z | 64.18 | i | |
2008 | ----- | z | ----- | z | 35.88 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.66 | b | 30.46 | f | 22.25 | c | 31.45 | j |
2009 | 19.86 | i | 29.88 | c | 36.42 | g | 46.58 | f | 61.33 | g | 65.50 | 68.07 | c | 64.48 | ----- | z | 47.93 | d | 32.25 | n | 31.06 | o | 55.17 | g | ||
2010 | 30.71 | j | 35.62 | d | 38.09 | i | 44.78 | u | 62.12 | o | 62.00 | b | 61.27 | a | 62.58 | 66.58 | k | 43.58 | l | 34.38 | v | 19.16 | f | 55.37 | h | |
2011 | 34.00 | g | 31.17 | e | 41.67 | y | 48.67 | u | 57.29 | g | 61.15 | c | 67.93 | a | 61.87 | a | 53.89 | l | 45.06 | o | 23.33 | c | ----- | z | 49.09 | g |
2012 | ----- | z | 33.93 | a | 33.71 | 45.33 | o | ----- | z | 64.20 | 62.66 | b | 62.83 | b | 53.70 | j | 40.00 | 23.27 | 20.83 | a | 42.68 | d | ||||
2013 | 31.97 | 34.50 | 35.62 | b | 41.59 | m | 58.58 | s | 69.97 | 70.77 | 62.48 | 55.04 | g | 47.80 | a | 32.00 | e | ----- | z | 48.14 | d | |||||
2014 | ----- | z | ----- | z | ----- | z | ----- | z | 64.19 | d | ----- | z | 68.90 | 63.00 | a | 60.20 | o | 43.73 | i | 39.83 | x | ----- | z | 65.36 | i | |
2015 | 33.60 | p | 30.00 | k | 36.59 | n | ----- | z | ----- | z | 62.30 | 65.35 | 66.43 | a | ----- | z | 47.92 | r | ----- | z | ----- | z | 64.70 | i | ||
2016 | ----- | z | ----- | z | ----- | z | ----- | z | 64.69 | o | 68.46 | b | ----- | z | 63.97 | a | ----- | z | ----- | z | ----- | z | ----- | z | 66.22 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.35 | 31.27 | 38.24 | 46.04 | 56.13 | 63.57 | 66.49 | 64.31 | 56.69 | 43.89 | 31.08 | 26.74 | 45.40 | |||||||||||||
S.D. | 6.36 | 6.10 | 3.58 | 3.14 | 4.10 | 2.96 | 2.33 | 2.26 | 1.62 | 2.74 | 4.62 | 4.80 | 0.57 | |||||||||||||
SKEW | -0.13 | -1.12 | -0.16 | -0.33 | 0.72 | -0.03 | -0.23 | 0.31 | -1.29 | 0.16 | -0.11 | 0.07 | -0.97 | |||||||||||||
MAX | 39.00 | 39.00 | 45.21 | 49.92 | 64.19 | 69.97 | 70.77 | 69.48 | 59.18 | 48.67 | 40.53 | 34.72 | 45.98 | |||||||||||||
MIN | 15.85 | 15.74 | 31.28 | 40.97 | 50.96 | 56.25 | 61.27 | 59.32 | 51.80 | 40.00 | 23.24 | 19.73 | 44.40 | |||||||||||||
YRS | 19 | 21 | 18 | 14 | 15 | 26 | 28 | 29 | 20 | 21 | 21 | 18 | 6 |