YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.78 | a | 83.05 | 70.62 | a | 59.80 | 48.45 | a | 70.54 | g | ||
1990 | 46.23 | a | 49.74 | c | 62.24 | 70.93 | 77.06 | e | 88.61 | c | 93.82 | c | 91.92 | a | ----- | z | 73.16 | b | 60.04 | e | 39.54 | c | 68.48 | a | ||
1991 | 44.59 | b | 54.48 | c | 53.17 | g | 64.52 | b | 72.16 | 82.98 | b | 93.58 | e | 90.73 | a | 82.81 | d | 75.33 | j | 55.56 | d | 46.81 | d | 68.82 | b | |
1992 | 45.58 | e | 54.65 | b | 58.47 | a | 70.71 | a | 79.81 | 86.38 | d | 91.33 | e | 93.79 | c | 84.96 | c | 72.79 | b | 53.78 | 44.69 | e | 69.74 | |||
1993 | 46.98 | b | 51.48 | c | 59.82 | c | 68.69 | c | 79.16 | c | 85.70 | b | 93.62 | b | 91.50 | c | 82.12 | a | 70.09 | b | 51.86 | b | 47.32 | a | 69.03 | |
1994 | 48.55 | 48.42 | b | 62.23 | c | 69.55 | b | 77.54 | c | 93.00 | e | 96.79 | e | 96.22 | f | 86.17 | a | 67.63 | a | 50.33 | c | 47.79 | b | 68.00 | a | |
1995 | 47.73 | g | 57.40 | c | 58.89 | c | 66.11 | c | 74.46 | e | 84.04 | c | 94.57 | c | 95.62 | a | 87.55 | k | 70.21 | c | 59.83 | d | 51.71 | c | 71.28 | b |
1996 | 49.04 | d | 55.30 | b | 61.46 | c | 70.06 | c | 81.93 | c | 90.44 | d | 96.68 | 94.77 | e | 83.37 | c | 70.48 | g | 56.59 | b | 47.72 | d | 71.58 | a | |
1997 | 47.81 | e | 52.35 | e | ----- | z | 67.24 | c | 83.88 | f | ----- | z | 91.55 | b | 93.82 | i | 85.60 | e | 69.53 | a | 57.61 | b | 50.54 | g | 67.38 | e |
1998 | 53.46 | g | 56.61 | f | 59.10 | e | 61.95 | a | 71.85 | 83.17 | 92.48 | b | 95.26 | 83.14 | a | 68.85 | 56.87 | 50.28 | d | 72.29 | b | |||||
1999 | 51.59 | h | 53.72 | a | 62.53 | b | 61.09 | a | 74.47 | 85.53 | a | 91.77 | c | 91.66 | 84.52 | 71.85 | 59.42 | 50.42 | 71.54 | a | ||||||
2000 | 50.66 | 54.71 | a | 59.53 | 73.40 | f | 82.44 | 90.13 | 95.15 | a | 93.45 | 83.76 | a | 69.82 | 52.00 | 49.84 | c | 71.05 | a | |||||||
2001 | 47.77 | 51.80 | 59.67 | b | 66.95 | 83.90 | e | 90.93 | c | 94.17 | b | 93.97 | a | 87.09 | b | 73.56 | 60.32 | 45.89 | 71.34 | |||||||
2002 | 46.69 | 51.91 | a | 56.59 | c | 71.70 | e | 77.77 | g | 90.50 | h | 97.02 | b | 93.66 | f | 85.44 | c | 69.56 | 58.28 | a | 48.50 | d | 65.08 | c | ||
2003 | 53.16 | 53.17 | b | 58.94 | d | 67.12 | a | 78.63 | a | 90.88 | a | 97.32 | c | 93.00 | a | 86.60 | d | 75.26 | d | 54.45 | a | 47.67 | a | 71.35 | ||
2004 | 47.26 | b | 49.45 | 66.94 | d | 69.06 | c | 80.80 | f | 90.02 | 94.88 | c | 92.13 | a | 83.73 | h | 69.78 | a | 54.13 | 48.02 | a | 68.17 | b | |||
2005 | 51.08 | 53.92 | b | 58.74 | j | 65.43 | p | 80.08 | g | 85.00 | g | 96.09 | c | 90.32 | c | 82.76 | a | 71.79 | 58.08 | f | 47.20 | f | 74.33 | f | ||
2006 | 49.62 | c | 54.41 | a | 57.20 | d | 67.00 | e | 81.34 | i | 90.43 | 95.32 | 93.07 | a | 83.89 | l | 72.12 | o | ----- | z | 46.31 | 69.17 | d | |||
2007 | 45.50 | b | 54.09 | 64.13 | 71.43 | a | 81.92 | 90.30 | 97.68 | c | 94.13 | a | 86.04 | d | 70.11 | 60.20 | 45.17 | a | 71.72 | |||||||
2008 | 46.98 | 51.54 | p | 58.59 | o | 68.12 | v | 75.55 | a | 88.67 | 95.31 | b | 94.75 | e | 83.58 | l | 70.57 | j | 59.50 | x | 49.35 | u | 80.25 | g | ||
2009 | 47.81 | w | 51.93 | m | 59.15 | k | 66.17 | x | 83.88 | s | 85.50 | s | 96.18 | t | 90.17 | v | 87.63 | 67.78 | a | 58.27 | b | 45.03 | 64.68 | h | ||
2010 | 47.52 | 51.32 | 56.88 | a | 63.88 | 71.78 | o | 84.44 | v | 98.35 | n | 93.03 | m | 83.40 | o | ----- | z | 53.27 | s | 50.12 | w | 54.90 | h | |||
2011 | 46.33 | p | 47.00 | t | 57.95 | u | 66.14 | l | 70.79 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.94 | 52.91 | 60.29 | 67.53 | 77.92 | 88.20 | 94.69 | 92.99 | 84.69 | 70.73 | 56.63 | 47.29 | 70.64 | |||||||||||||
S.D. | 2.22 | 2.29 | 2.80 | 3.22 | 3.87 | 3.12 | 1.98 | 1.67 | 1.73 | 2.07 | 3.22 | 2.75 | 1.18 | |||||||||||||
SKEW | 0.74 | -0.23 | 0.77 | -0.55 | -0.09 | -0.42 | -0.22 | -0.07 | 0.14 | 0.54 | -0.50 | -1.00 | -0.49 | |||||||||||||
MAX | 53.16 | 57.40 | 66.94 | 71.70 | 83.90 | 93.00 | 97.68 | 95.62 | 87.63 | 75.26 | 60.32 | 51.71 | 71.72 | |||||||||||||
MIN | 44.59 | 48.42 | 56.59 | 61.09 | 71.85 | 82.98 | 91.33 | 90.32 | 82.12 | 67.63 | 50.33 | 39.54 | 69.03 | |||||||||||||
YRS | 17 | 18 | 16 | 17 | 14 | 16 | 19 | 17 | 16 | 17 | 18 | 18 | 5 |