YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.93 | a | 75.42 | 68.07 | 55.94 | 46.13 | 37.20 | a | 60.61 | f | ||||
1990 | 36.03 | 39.37 | a | 49.40 | a | 56.63 | 64.07 | d | ----- | z | 80.35 | 76.45 | b | 69.63 | 57.23 | 44.43 | 31.03 | 54.97 | a | |||||||
1991 | 34.70 | a | 42.54 | 44.45 | 51.10 | a | 58.52 | 67.77 | 65.30 | h | 73.06 | 72.89 | l | 58.52 | 44.03 | 36.04 | d | 51.07 | b | |||||||
1992 | 34.45 | 43.14 | 46.61 | 54.28 | a | 62.97 | 68.76 | m | 76.61 | 81.20 | a | 70.20 | 60.23 | 43.57 | 36.32 | c | 55.42 | a | ||||||||
1993 | 38.14 | b | 43.11 | 49.06 | 53.31 | a | 64.71 | 63.50 | 75.00 | 75.68 | c | 66.59 | a | 57.42 | 40.34 | a | 35.48 | 55.20 | ||||||||
1994 | 36.90 | 38.04 | a | 50.65 | 56.31 | a | 61.13 | a | 71.27 | 81.03 | a | 80.90 | b | 70.47 | 55.68 | 40.36 | b | 38.32 | c | 56.75 | ||||||
1995 | 40.90 | 45.25 | 48.13 | 52.10 | 60.00 | a | 68.70 | 78.23 | 79.39 | 71.77 | 55.13 | a | 48.03 | 40.81 | 57.37 | |||||||||||
1996 | 38.33 | a | 45.03 | 47.71 | 55.40 | 65.00 | a | 72.43 | b | 82.13 | 80.67 | a | 69.97 | 54.70 | a | 46.93 | 39.97 | 58.19 | ||||||||
1997 | 39.57 | a | 40.71 | 47.94 | 54.17 | 67.90 | 72.47 | 74.48 | 77.97 | a | 71.43 | 56.06 | 46.83 | 36.59 | b | 57.18 | ||||||||||
1998 | 39.74 | 41.29 | 46.03 | 51.27 | 58.65 | 68.07 | 78.53 | a | 79.89 | c | 70.79 | a | 55.68 | 45.27 | 37.48 | b | 56.06 | |||||||||
1999 | 38.29 | 41.00 | a | 49.55 | 50.14 | b | 61.17 | a | 70.68 | b | 78.23 | 76.06 | 70.76 | a | 56.77 | 46.13 | 37.84 | 56.39 | ||||||||
2000 | 40.57 | a | 44.79 | 47.17 | a | 56.07 | b | 67.61 | 76.90 | 78.32 | 81.27 | a | 68.13 | 58.52 | 41.66 | a | 38.50 | a | 58.29 | |||||||
2001 | 38.13 | 42.75 | 49.52 | 54.60 | 70.03 | a | 75.07 | 77.96 | d | 80.36 | i | 72.59 | a | 61.23 | a | 49.45 | a | 36.93 | c | 57.11 | a | |||||
2002 | 35.23 | a | 39.04 | 41.48 | d | 57.24 | e | 62.72 | b | 74.33 | f | 83.00 | d | 77.52 | b | 70.83 | f | 55.00 | 46.14 | a | 38.48 | 53.59 | b | |||
2003 | 41.00 | e | 41.89 | 45.28 | b | 50.56 | c | 63.47 | a | 75.86 | b | 82.26 | d | 78.63 | d | 71.76 | a | 62.16 | 44.04 | b | 37.88 | e | 57.90 | |||
2004 | 36.48 | d | 40.48 | d | 53.06 | 56.76 | a | 66.13 | a | 75.39 | b | 81.34 | b | 77.32 | 69.17 | a | 57.17 | h | 44.21 | b | 40.13 | a | 58.23 | a | ||
2005 | 41.77 | a | 43.54 | 47.07 | b | 51.92 | e | 65.35 | e | 71.81 | c | 81.03 | a | 77.93 | c | 67.64 | b | 58.84 | 47.33 | 37.70 | a | 57.66 | ||||
2006 | 38.83 | a | 40.35 | b | 44.33 | d | 54.44 | e | 65.12 | f | 75.48 | a | 82.96 | c | 78.22 | d | 70.74 | c | 55.70 | d | 46.65 | g | 35.21 | c | 57.63 | b |
2007 | 33.38 | e | 45.08 | p | 50.34 | b | 57.96 | b | 68.11 | d | 74.76 | i | 83.17 | g | 81.14 | i | 70.86 | b | 55.31 | o | 46.04 | f | 35.43 | h | 56.13 | g |
2008 | 32.83 | h | 36.35 | i | 45.80 | p | 50.18 | h | 60.13 | h | 73.89 | l | 85.78 | v | 79.18 | n | 71.32 | k | 58.00 | n | 49.38 | v | 38.88 | w | ----- | z |
2009 | 38.33 | p | 41.43 | e | 45.52 | f | 51.96 | d | 66.50 | o | 71.35 | j | 80.55 | k | 75.92 | e | 73.00 | c | 55.46 | e | 46.39 | l | 35.75 | s | 59.56 | g |
2010 | 37.90 | k | 40.40 | w | 45.67 | j | 49.88 | n | ----- | z | 75.75 | n | 84.54 | e | 78.00 | b | 71.38 | v | 53.92 | s | 44.16 | k | 40.14 | i | 81.27 | j |
2011 | 37.38 | o | 37.64 | f | 46.53 | p | 51.30 | t | 58.41 | n | 70.54 | f | 76.55 | k | 77.64 | t | 72.46 | q | ----- | z | 44.50 | t | 35.20 | p | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.91 | 41.87 | 47.65 | 54.01 | 63.97 | 71.81 | 79.83 | 77.97 | 70.20 | 57.24 | 44.99 | 37.33 | 57.10 | |||||||||||||
S.D. | 2.48 | 2.07 | 2.74 | 2.45 | 3.39 | 3.83 | 2.82 | 2.24 | 1.74 | 2.23 | 2.56 | 2.20 | 1.00 | |||||||||||||
SKEW | -0.22 | 0.00 | -0.29 | -0.04 | -0.01 | -0.56 | -0.32 | -0.22 | -0.43 | 0.88 | -0.37 | -1.04 | -0.55 | |||||||||||||
MAX | 41.77 | 45.25 | 53.06 | 57.96 | 70.03 | 76.90 | 84.54 | 81.27 | 73.00 | 62.16 | 49.45 | 40.81 | 58.29 | |||||||||||||
MIN | 33.38 | 38.04 | 41.48 | 50.14 | 58.52 | 63.50 | 74.48 | 73.06 | 66.59 | 54.70 | 40.34 | 31.03 | 55.20 | |||||||||||||
YRS | 18 | 18 | 18 | 19 | 17 | 14 | 18 | 19 | 18 | 18 | 17 | 18 | 10 |