YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 95.47 | a | 90.08 | 83.87 | 70.87 | 60.97 | 51.62 | b | 75.48 | f | ||||
1990 | 48.50 | a | 51.59 | a | 63.65 | a | 71.12 | 77.59 | d | ----- | z | 94.43 | i | 88.08 | s | 85.47 | 72.98 | 58.97 | 44.68 | 63.84 | c | |||||
1991 | 47.70 | a | 57.64 | 55.52 | 66.36 | a | 73.53 | 82.93 | 86.65 | h | 89.05 | 84.78 | l | 74.65 | 58.00 | 48.98 | d | 65.44 | b | |||||||
1992 | 47.35 | 55.50 | 58.50 | 70.31 | a | 78.79 | 85.21 | m | 92.94 | 94.22 | a | 85.85 | 74.61 | 56.30 | 46.75 | c | 69.19 | a | ||||||||
1993 | 48.29 | b | 53.09 | 61.50 | 68.76 | a | 79.45 | 82.13 | 90.40 | 90.73 | c | 83.29 | a | 72.35 | 54.12 | a | 49.05 | 69.43 | ||||||||
1994 | 50.90 | 49.91 | a | 64.58 | 70.90 | a | 76.87 | a | 89.42 | 95.67 | a | 95.26 | b | 85.70 | 70.66 | 54.64 | b | 51.30 | c | 71.32 | ||||||
1995 | 49.90 | a | 58.89 | 60.19 | 66.28 | 73.50 | a | 83.60 | 94.00 | 94.40 | 87.80 | 72.18 | a | 62.80 | 53.23 | 71.40 | ||||||||||
1996 | 52.05 | a | 57.81 | 62.32 | 71.08 | 80.45 | a | 88.84 | b | 96.10 | 95.07 | a | 83.98 | 70.62 | a | 59.63 | 51.29 | 72.44 | ||||||||
1997 | 50.67 | a | 54.55 | 64.29 | 68.23 | 83.97 | 86.88 | 90.35 | 91.97 | a | 84.08 | 70.84 | 59.75 | 48.98 | b | 71.21 | ||||||||||
1998 | 51.32 | 51.59 | 59.32 | 64.27 | 72.90 | 82.93 | 93.81 | b | 94.14 | c | 84.50 | a | 70.74 | 60.66 | a | 50.53 | b | 69.73 | ||||||||
1999 | 55.00 | 55.15 | a | 63.65 | 63.27 | b | 75.73 | a | 86.68 | b | 91.44 | 90.87 | 85.43 | a | 73.85 | 60.95 | 51.95 | 71.16 | ||||||||
2000 | 53.13 | a | 56.53 | 61.26 | b | 72.64 | b | 82.82 | 91.75 | 93.98 | a | 94.23 | a | 84.52 | 71.29 | 54.53 | a | 52.27 | a | 72.41 | ||||||
2001 | 49.61 | 53.98 | 62.27 | 68.40 | 85.10 | a | 90.98 | 94.13 | d | 95.09 | i | 88.78 | a | 75.87 | a | 62.95 | a | 48.54 | c | 70.96 | a | |||||
2002 | 49.10 | a | 54.75 | 57.70 | d | 72.74 | e | 78.00 | b | 90.90 | f | 95.24 | d | 89.22 | b | 82.33 | f | 69.53 | b | 61.31 | a | 51.05 | 67.87 | b | ||
2003 | 56.00 | e | 54.71 | 60.05 | b | 65.54 | c | 79.17 | a | 90.48 | b | 97.06 | e | 92.96 | d | 88.14 | a | 79.10 | 56.11 | b | 50.54 | e | 72.49 | |||
2004 | 49.94 | d | 53.02 | d | 68.98 | 70.86 | a | 81.18 | a | 91.07 | b | 95.74 | b | 92.13 | 85.24 | a | 70.24 | h | 56.39 | b | 51.52 | a | 72.37 | a | ||
2005 | 52.15 | a | 55.00 | 61.10 | b | 67.40 | e | 79.80 | h | 86.81 | c | 96.52 | a | 91.54 | c | 84.18 | b | 73.37 | a | 61.60 | 51.08 | a | 70.98 | a | ||
2006 | 53.10 | a | 56.17 | b | 58.17 | g | 69.22 | e | 81.54 | f | 92.09 | a | 97.05 | c | 93.44 | e | 85.46 | c | 70.65 | d | 62.16 | h | 49.52 | c | 74.08 | c |
2007 | 48.25 | e | 57.54 | p | 66.47 | b | 72.11 | c | 84.17 | d | 90.52 | i | 97.77 | g | 95.61 | i | 86.38 | b | 73.25 | o | 63.50 | f | 48.48 | h | 71.47 | g |
2008 | 47.72 | h | 52.87 | j | 61.27 | p | 68.43 | h | 77.79 | j | 91.50 | l | 100.11 | v | 95.03 | n | 87.75 | l | 75.41 | o | 62.57 | w | 49.08 | y | ----- | z |
2009 | 53.88 | r | 55.55 | g | 61.33 | h | 67.37 | d | 84.03 | o | 85.58 | k | 95.86 | m | 92.33 | e | 89.58 | d | 70.52 | f | 65.21 | m | 48.45 | t | 83.09 | i |
2010 | 49.92 | l | 53.80 | w | 59.83 | j | 64.16 | n | ----- | z | 90.88 | n | 98.42 | e | 92.93 | b | 88.94 | v | 67.50 | t | 58.35 | m | 53.36 | i | 95.68 | j |
2011 | 52.56 | o | 52.76 | i | 60.87 | p | 68.40 | t | 74.97 | o | 87.02 | f | 93.34 | l | 93.91 | t | 87.50 | q | ----- | z | 57.78 | u | 48.37 | p | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.72 | 54.70 | 61.84 | 68.78 | 78.95 | 87.61 | 94.61 | 92.48 | 85.68 | 72.60 | 58.80 | 50.16 | 71.29 | |||||||||||||
S.D. | 2.48 | 2.38 | 3.30 | 2.80 | 3.88 | 3.57 | 2.32 | 1.93 | 1.81 | 2.45 | 2.95 | 2.09 | 1.11 | |||||||||||||
SKEW | 0.58 | -0.19 | 0.22 | -0.33 | -0.02 | -0.29 | -0.46 | -0.31 | 0.80 | 1.13 | -0.26 | -1.06 | -0.53 | |||||||||||||
MAX | 56.00 | 58.89 | 68.98 | 72.74 | 85.10 | 92.09 | 98.42 | 95.26 | 89.58 | 79.10 | 62.95 | 53.23 | 72.49 | |||||||||||||
MIN | 47.35 | 49.91 | 55.52 | 63.27 | 72.90 | 82.13 | 90.35 | 89.05 | 83.29 | 69.53 | 54.12 | 44.68 | 69.43 | |||||||||||||
YRS | 18 | 17 | 17 | 19 | 16 | 14 | 17 | 18 | 18 | 17 | 17 | 18 | 9 |