YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 110.13 | 104.74 | 99.67 | 85.81 | 75.80 | 65.80 | a | 90.32 | f | |||||
1990 | 60.93 | a | 64.18 | 77.45 | 85.60 | 91.10 | b | ----- | z | 107.95 | i | 105.00 | s | 101.30 | 88.74 | 73.50 | 58.32 | 77.90 | c | |||||||
1991 | 60.55 | 72.75 | 66.58 | 81.77 | 88.55 | 98.10 | 108.65 | 105.03 | 97.90 | 90.77 | 71.97 | 61.93 | d | 83.71 | ||||||||||||
1992 | 60.26 | 67.86 | 70.39 | 86.17 | 94.61 | 101.53 | k | 109.26 | 107.23 | a | 101.50 | 89.00 | 69.03 | 57.39 | 82.97 | a | ||||||||||
1993 | 58.06 | 63.07 | 73.94 | 84.27 | 94.19 | 100.77 | 105.81 | 106.35 | 100.27 | 87.29 | 67.90 | 62.61 | 83.71 | |||||||||||||
1994 | 64.90 | 61.64 | 78.52 | 85.07 | 92.71 | 107.57 | 110.26 | 109.81 | 100.93 | 85.65 | 68.80 | 64.45 | 85.86 | |||||||||||||
1995 | 58.70 | a | 72.54 | 72.26 | 80.47 | 87.10 | 98.50 | 109.77 | 109.42 | 103.83 | 88.84 | 77.57 | 65.65 | 85.39 | ||||||||||||
1996 | 65.90 | 70.59 | 76.94 | 86.77 | 95.39 | 105.80 | 110.06 | 109.39 | 98.00 | 86.81 | 72.33 | 62.61 | 86.72 | |||||||||||||
1997 | 61.87 | 68.39 | 80.65 | 82.30 | 100.03 | 101.30 | 106.23 | 106.23 | 96.73 | 85.61 | 72.67 | 61.23 | 85.27 | |||||||||||||
1998 | 62.90 | 61.89 | 72.61 | 77.27 | 87.16 | 97.80 | 109.07 | a | 108.47 | a | 98.30 | 85.81 | 76.17 | a | 62.68 | 83.34 | ||||||||||
1999 | 71.71 | 69.21 | 77.74 | 76.93 | 90.29 | 101.83 | 104.65 | 105.68 | 100.17 | 90.94 | 75.77 | 66.06 | 85.91 | |||||||||||||
2000 | 65.70 | a | 68.28 | 75.37 | a | 89.33 | 98.03 | 106.60 | 109.77 | a | 107.29 | 100.90 | 84.06 | 67.43 | 66.06 | 86.57 | ||||||||||
2001 | 61.10 | 65.21 | 75.03 | 82.20 | 100.61 | 106.90 | 110.07 | c | 109.82 | i | 104.97 | a | 90.50 | a | 76.45 | a | 60.24 | b | 84.84 | a | ||||||
2002 | 62.97 | a | 70.46 | 74.04 | c | 88.24 | e | 93.68 | 107.46 | f | 107.48 | d | 100.60 | a | 93.83 | f | 83.79 | b | 76.48 | a | 63.61 | 82.14 | b | |||
2003 | 70.96 | c | 67.54 | 75.20 | a | 81.00 | a | 94.87 | a | 105.11 | b | 112.26 | d | 107.59 | b | 104.52 | a | 96.03 | 68.18 | b | 63.19 | e | 87.20 | |||
2004 | 63.07 | b | 65.27 | c | 84.90 | 84.97 | a | 96.23 | a | 106.59 | a | 110.14 | b | 106.94 | 101.31 | a | 83.30 | h | 68.66 | a | 62.77 | 86.44 | a | |||
2005 | 62.77 | 66.46 | 75.14 | b | 82.88 | e | 93.12 | g | 101.81 | c | 112.00 | a | 104.93 | b | 100.48 | a | 87.87 | a | 75.87 | 64.68 | 84.99 | a | ||||
2006 | 67.37 | a | 71.81 | a | 71.71 | g | 84.08 | d | 98.71 | c | 108.77 | 110.90 | 108.42 | e | 100.19 | c | 85.59 | d | 77.77 | h | 63.82 | c | 89.97 | b | ||
2007 | 62.85 | d | 70.00 | p | 82.59 | b | 86.37 | c | 100.04 | c | 106.00 | h | 112.20 | f | 110.09 | i | 101.89 | b | 91.19 | o | 80.96 | f | 61.62 | g | 86.75 | g |
2008 | 62.75 | g | 69.26 | j | 76.73 | p | 87.09 | g | 96.35 | h | 108.79 | k | 115.18 | t | 110.88 | n | 104.06 | l | 92.06 | o | 75.57 | w | 58.43 | x | ----- | z |
2009 | 69.07 | q | 69.19 | g | 77.25 | g | 82.77 | d | 101.88 | n | 99.79 | k | 111.28 | m | 108.73 | e | 105.85 | d | 85.72 | f | 85.18 | b | 60.64 | t | 95.63 | h |
2010 | 61.74 | l | 67.20 | w | 74.00 | j | 78.44 | n | ----- | z | 106.06 | m | 112.31 | e | 107.86 | b | 106.50 | v | 81.82 | t | 73.06 | l | 66.59 | i | 110.08 | j |
2011 | 68.28 | m | 66.91 | f | 75.20 | p | 85.50 | t | 91.62 | o | 103.50 | f | 109.65 | k | 110.18 | t | 102.54 | q | ----- | z | 71.33 | u | 61.53 | p | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 63.48 | 67.48 | 75.84 | 83.60 | 94.31 | 103.39 | 109.38 | 106.93 | 100.98 | 87.83 | 73.32 | 62.95 | 85.37 | |||||||||||||
S.D. | 3.75 | 3.55 | 4.42 | 3.31 | 4.40 | 3.80 | 2.15 | 2.23 | 2.46 | 3.07 | 4.60 | 2.49 | 1.36 | |||||||||||||
SKEW | 0.81 | -0.14 | 0.11 | -0.38 | -0.20 | -0.17 | -0.71 | -1.16 | 0.35 | 1.03 | 0.69 | -0.73 | -0.31 | |||||||||||||
MAX | 71.71 | 72.75 | 84.90 | 89.33 | 100.61 | 108.77 | 112.31 | 109.81 | 105.85 | 96.03 | 85.18 | 66.06 | 87.20 | |||||||||||||
MIN | 58.06 | 61.64 | 66.58 | 76.93 | 87.10 | 97.80 | 104.65 | 100.60 | 96.73 | 83.79 | 67.43 | 57.39 | 83.34 | |||||||||||||
YRS | 18 | 17 | 17 | 19 | 17 | 14 | 18 | 18 | 19 | 17 | 18 | 18 | 10 |