YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.39 | b | 26.34 | 36.87 | j | |
1984 | 33.06 | 40.26 | 43.79 | 50.57 | a | 63.53 | b | 71.32 | 75.44 | 73.16 | b | 66.07 | 51.42 | a | 45.18 | 37.11 | 54.24 | |||||||||
1985 | 32.27 | a | 36.70 | c | 46.02 | b | 56.88 | 63.23 | c | 71.12 | 76.47 | b | 76.03 | 65.72 | 54.76 | 44.12 | 34.40 | 54.81 | ||||||||
1986 | 42.48 | 40.20 | 51.22 | a | 57.74 | a | 63.18 | a | 70.83 | 76.68 | 75.03 | 67.43 | 55.42 | a | 42.72 | 35.90 | a | 56.57 | ||||||||
1987 | 33.77 | 40.72 | a | 44.47 | b | 53.90 | 63.21 | 70.75 | 75.19 | 73.44 | 65.22 | 56.45 | b | 45.42 | 34.24 | 54.73 | ||||||||||
1988 | 30.89 | 38.47 | 44.45 | 52.52 | 62.26 | 71.95 | 74.29 | 74.76 | 64.88 | 57.82 | 46.97 | 36.42 | 54.64 | |||||||||||||
1989 | 38.33 | a | 32.28 | a | 50.34 | 57.60 | 66.33 | a | 66.95 | a | 74.34 | 72.85 | 64.38 | a | 57.38 | a | 46.73 | 30.52 | 54.84 | |||||||
1990 | 36.56 | d | 37.85 | a | 46.06 | f | 54.00 | a | 61.20 | a | 78.45 | 74.77 | 72.85 | 68.92 | 55.08 | 47.71 | b | 32.28 | a | 56.33 | a | |||||
1991 | 32.03 | a | 43.48 | 45.98 | 54.77 | 64.45 | 71.84 | a | 72.87 | a | 72.65 | 63.46 | c | 59.77 | 42.22 | g | 36.61 | 56.17 | a | |||||||
1992 | 36.34 | 42.98 | 48.66 | 56.90 | a | 61.21 | 68.58 | 74.65 | 71.50 | 67.44 | c | 57.80 | a | 39.28 | 35.98 | i | 56.85 | a | ||||||||
1993 | 33.63 | a | 36.95 | 47.03 | 53.80 | 63.26 | 70.65 | c | 76.23 | 74.34 | 66.22 | 54.05 | 40.23 | 37.58 | 54.50 | |||||||||||
1994 | 36.05 | 37.48 | 46.87 | a | 54.55 | 64.17 | d | 76.45 | 76.13 | 76.13 | a | 68.95 | 55.98 | 45.86 | b | 41.03 | 56.64 | |||||||||
1995 | 36.98 | 44.16 | 45.69 | 50.78 | 60.66 | 69.70 | b | 76.60 | f | 77.06 | 67.23 | b | 56.90 | 48.08 | 38.31 | 54.14 | a | |||||||||
1996 | 35.13 | 42.14 | 42.47 | 55.05 | 69.40 | 74.02 | 75.55 | a | 73.63 | 64.18 | 54.85 | 44.98 | 36.27 | 55.64 | ||||||||||||
1997 | 32.68 | 36.54 | 48.34 | 48.12 | e | 61.65 | 70.13 | 76.47 | 74.39 | 69.52 | 57.52 | b | 41.80 | 33.61 | 54.23 | |||||||||||
1998 | 38.92 | 40.09 | 43.08 | 51.12 | 66.63 | 74.10 | 79.03 | 73.13 | 72.93 | 58.03 | 48.02 | 37.44 | 56.88 | |||||||||||||
1999 | 39.34 | 44.71 | 43.47 | p | 55.17 | r | 60.92 | 70.48 | 76.95 | 76.18 | 66.25 | 57.92 | m | 51.12 | d | 38.18 | 58.24 | c | ||||||||
2000 | 39.73 | 46.02 | 48.53 | 56.80 | 68.89 | 72.67 | a | 78.48 | 78.97 | 72.52 | a | 56.65 | 38.45 | 33.37 | 57.59 | |||||||||||
2001 | 32.00 | 39.84 | 44.11 | d | 58.70 | b | 62.57 | c | 73.10 | 79.23 | 75.29 | 69.34 | b | 57.24 | 48.58 | 37.60 | 56.47 | |||||||||
2002 | 36.87 | 39.00 | b | 42.29 | e | 57.72 | 63.96 | c | 77.88 | j | 78.90 | p | 75.30 | u | 68.16 | n | 52.48 | g | 43.67 | g | 36.40 | e | 46.04 | f | ||
2003 | 40.90 | e | 37.64 | 47.73 | a | 56.20 | h | 66.78 | a | 69.92 | r | 79.79 | x | 77.30 | u | 70.00 | q | 58.55 | u | 49.08 | r | 40.67 | s | 48.27 | h | |
2004 | 38.30 | p | 36.65 | p | 52.08 | s | 57.55 | s | 67.19 | w | 74.77 | s | 74.65 | u | 72.85 | r | 67.46 | r | 59.42 | s | 46.75 | t | 41.12 | w | ----- | z |
2005 | 39.71 | x | 43.07 | u | 51.50 | y | 60.50 | x | 65.75 | y | 73.58 | x | 77.72 | v | 73.92 | y | 72.00 | v | 56.60 | u | 47.41 | b | 36.55 | 41.98 | j | |
2006 | 41.84 | 39.86 | 45.95 | 59.53 | 67.55 | 76.40 | 77.60 | 73.73 | 63.07 | 56.71 | 47.73 | 37.21 | b | 57.26 | ||||||||||||
2007 | 31.10 | 40.55 | 51.77 | a | 52.97 | 62.85 | 71.02 | 76.29 | 78.10 | 71.02 | 61.58 | 45.80 | 35.18 | 56.52 | ||||||||||||
2008 | 34.89 | 40.30 | a | 46.69 | 53.55 | 63.31 | 74.55 | 73.63 | 72.29 | 65.90 | 56.82 | 45.88 | 36.56 | 55.37 | ||||||||||||
2009 | 38.24 | 43.62 | 47.82 | 53.87 | 63.16 | 73.00 | 76.24 | 73.97 | 64.72 | 51.50 | 47.38 | 29.68 | 55.27 | |||||||||||||
2010 | 34.40 | a | 31.05 | 45.45 | 55.40 | 61.76 | 75.72 | 76.61 | 75.76 | 71.43 | 58.94 | 44.78 | 40.52 | 55.98 | ||||||||||||
2011 | 35.13 | 35.27 | 50.02 | ----- | z | 65.02 | j | 80.23 | o | ----- | z | 80.71 | c | 68.40 | 57.58 | 46.07 | 31.48 | 50.58 | d | |||||||
2012 | 40.97 | 38.86 | 52.77 | 60.48 | 66.87 | 76.18 | 78.89 | 76.92 | 69.00 | 56.08 | ----- | z | ----- | z | 61.70 | b | ||||||||||
2013 | 34.61 | ----- | z | ----- | z | 51.37 | 64.21 | 76.93 | 75.92 | 75.92 | 69.87 | 54.58 | 42.48 | 34.37 | 58.03 | b | ||||||||||
2014 | 35.94 | 37.91 | 45.71 | 54.27 | 63.44 | 72.82 | 75.50 | 76.05 | 67.97 | 58.61 | 43.52 | 38.42 | 55.84 | |||||||||||||
2015 | 35.81 | 41.11 | 50.65 | 56.67 | 60.65 | 72.93 | 77.47 | 74.65 | 73.71 | d | 59.27 | 47.66 | e | 39.03 | 57.47 | |||||||||||
2016 | 38.47 | 43.55 | 49.08 | 54.07 | 61.15 | 75.17 | 80.48 | 73.62 | a | ----- | z | ----- | z | ----- | z | ----- | z | 59.45 | d | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.11 | 39.65 | 47.04 | 54.77 | 63.75 | 72.78 | 76.35 | 74.93 | 67.70 | 56.62 | 45.41 | 35.61 | 55.77 | |||||||||||||
S.D. | 3.22 | 3.45 | 2.84 | 2.92 | 2.42 | 2.75 | 1.80 | 2.10 | 2.91 | 2.27 | 2.96 | 3.26 | 1.10 | |||||||||||||
SKEW | 0.25 | -0.44 | 0.21 | -0.12 | 0.79 | 0.12 | 0.35 | 0.80 | 0.37 | -0.40 | -0.70 | -0.90 | 0.14 | |||||||||||||
MAX | 42.48 | 46.02 | 52.77 | 60.48 | 69.40 | 78.45 | 80.48 | 80.71 | 73.71 | 61.58 | 51.12 | 41.03 | 57.59 | |||||||||||||
MIN | 30.89 | 31.05 | 42.29 | 48.12 | 60.65 | 66.95 | 72.87 | 71.50 | 63.07 | 51.42 | 38.45 | 26.34 | 54.23 | |||||||||||||
YRS | 31 | 30 | 28 | 28 | 30 | 28 | 27 | 29 | 28 | 27 | 28 | 29 | 20 |