YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.15 | k | ----- | z | ----- | z | ----- | z | ----- | z | 56.09 | i | ----- | z |
1989 | 53.87 | a | 58.75 | 73.28 | b | 84.53 | 87.77 | 96.55 | a | 104.00 | 97.74 | 92.80 | 79.58 | 70.04 | g | 58.68 | c | 80.69 | a | |||||||
1990 | 56.32 | 56.64 | 69.71 | c | 78.79 | b | 82.32 | 97.21 | a | 100.97 | b | 98.23 | a | 92.80 | 79.67 | a | 65.93 | 50.83 | a | 77.45 | ||||||
1991 | 52.67 | d | 69.39 | 57.90 | a | 74.67 | 81.37 | a | 92.90 | 101.39 | 99.87 | 93.33 | 81.74 | d | 64.17 | 56.79 | c | 77.18 | ||||||||
1992 | 57.52 | b | 58.17 | 60.03 | a | 83.43 | 87.04 | d | 94.17 | 97.94 | 96.19 | 91.67 | 77.61 | 53.86 | a | 50.43 | c | 75.67 | ||||||||
1993 | 53.77 | 54.82 | f | 71.39 | ----- | z | 86.73 | p | 89.00 | y | 98.21 | b | 98.40 | a | 93.10 | 78.97 | 62.83 | a | 58.14 | c | 76.85 | d | ||||
1994 | 61.16 | 56.86 | 71.87 | 76.59 | a | 85.32 | 103.00 | o | 103.19 | 102.26 | 93.47 | 77.81 | 59.34 | a | ----- | z | 78.79 | b | ||||||||
1995 | 53.35 | 68.93 | a | 64.35 | 72.13 | 78.07 | a | 90.39 | b | 102.32 | f | 101.71 | 95.31 | a | 83.81 | 75.00 | a | 61.90 | a | 76.81 | a | |||||
1996 | 59.42 | 67.11 | b | 72.38 | e | 79.93 | 87.84 | 98.93 | ----- | z | 102.93 | a | 89.70 | 77.52 | f | 66.90 | 56.70 | a | 78.19 | b | ||||||
1997 | 54.74 | 61.39 | 75.00 | 74.37 | 93.03 | 94.60 | 101.48 | h | 99.10 | a | 91.07 | a | 79.84 | 67.90 | 56.13 | a | 77.02 | a | ||||||||
1998 | 58.70 | a | 55.25 | 66.13 | a | 69.72 | a | 79.74 | 90.10 | 101.06 | 101.83 | a | 89.77 | 76.39 | 66.05 | i | 57.70 | d | 76.95 | a | ||||||
1999 | 61.61 | 63.11 | 73.61 | m | 69.66 | a | 85.45 | b | 94.90 | a | 96.26 | 99.55 | 92.60 | 87.34 | b | 76.37 | c | 59.74 | 80.60 | a | ||||||
2000 | 60.23 | a | 62.38 | 67.97 | 81.50 | 94.05 | i | 98.40 | 101.94 | 99.48 | 93.41 | a | 74.32 | i | 59.43 | 61.84 | 78.66 | b | ||||||||
2001 | 57.37 | a | 59.71 | 69.03 | 77.07 | 93.90 | 98.18 | m | 101.13 | 102.58 | 97.50 | 85.70 | a | 69.50 | 54.29 | 78.89 | a | |||||||||
2002 | 57.29 | 65.39 | 70.41 | d | 83.50 | 89.97 | a | 101.93 | c | 106.50 | a | 102.55 | 93.57 | 79.17 | a | ----- | z | 58.06 | 82.58 | a | ||||||
2003 | 67.52 | 60.39 | 69.57 | a | 74.69 | a | 90.87 | a | ----- | z | 108.35 | 101.74 | 97.17 | ----- | z | 63.32 | e | ----- | z | 81.51 | c | |||||
2004 | 59.32 | 56.29 | a | 80.13 | a | 79.07 | c | 88.94 | ----- | z | 104.00 | 100.65 | 94.47 | 76.17 | a | 60.67 | 58.65 | h | 79.97 | b | ||||||
2005 | 56.86 | b | 59.82 | 68.03 | 76.14 | a | 88.29 | c | ----- | z | 102.83 | s | 98.30 | a | 92.48 | a | 79.55 | 69.15 | c | 58.54 | e | 74.72 | b | |||
2006 | 60.35 | e | 65.85 | a | 62.87 | a | 77.79 | a | 95.12 | f | 103.12 | d | 103.97 | 100.90 | a | 91.07 | a | 76.82 | c | 67.44 | c | 56.46 | c | 78.79 | a | |
2007 | 56.37 | a | 64.14 | 75.83 | a | 80.76 | e | ----- | z | 99.48 | e | 104.13 | 100.54 | c | 92.75 | f | 78.97 | b | 69.41 | a | ----- | z | 81.07 | c | ||
2008 | 49.53 | n | 59.79 | a | 70.00 | c | 77.39 | b | 84.26 | 86.73 | 103.37 | a | ----- | z | 95.30 | 79.60 | a | 67.90 | a | 50.90 | b | 77.52 | b | |||
2009 | 58.93 | a | 59.93 | ----- | z | 77.96 | e | 92.90 | 91.93 | 104.27 | a | 99.94 | 93.24 | a | 74.33 | a | 67.13 | 50.13 | a | 79.15 | a | |||||
2010 | 56.34 | b | 58.48 | a | 62.24 | n | 75.47 | m | 82.00 | b | 97.68 | b | 103.83 | b | 98.23 | 95.33 | 78.77 | 64.33 | 57.16 | 79.22 | b | |||||
2011 | 55.94 | 56.60 | c | 66.40 | a | 73.37 | 74.67 | y | 95.10 | 98.58 | 102.32 | 94.17 | a | 78.13 | 62.73 | 55.68 | 76.27 | a | ||||||||
2012 | 59.71 | 60.03 | 67.58 | 77.86 | a | 89.74 | 96.00 | p | 101.57 | j | 98.19 | o | 92.80 | 79.87 | a | 69.87 | 53.43 | a | 72.32 | c | ||||||
2013 | 53.41 | b | 57.96 | d | 71.35 | 76.86 | a | 86.13 | 99.97 | 102.77 | 97.61 | 87.92 | e | 76.20 | a | 65.16 | e | 54.48 | 77.49 | |||||||
2014 | 62.29 | 63.96 | a | 70.30 | a | 79.04 | e | 86.77 | 97.73 | 101.71 | 93.68 | 93.62 | d | 82.41 | n | 67.73 | 55.25 | c | 79.28 | a | ||||||
2015 | 59.50 | e | 68.23 | f | 72.52 | 76.33 | 80.29 | 99.73 | 97.50 | g | 101.29 | 93.92 | f | 83.90 | 62.75 | b | 53.39 | 76.63 | c | |||||||
2016 | 54.09 | h | 66.12 | e | 70.33 | d | 74.87 | 81.22 | h | 100.42 | f | 102.20 | p | 98.87 | 93.20 | j | 82.88 | o | 65.77 | h | 56.20 | u | 77.55 | h | ||
2017 | 52.07 | q | 60.39 | j | 73.96 | e | 75.13 | 83.39 | h | 97.88 | v | ----- | z | 99.76 | n | 88.96 | c | 82.08 | s | 73.65 | j | 65.46 | r | 79.35 | i | |
2018 | 62.91 | i | 61.05 | f | 66.72 | f | 80.38 | f | 90.11 | m | 99.96 | f | 106.67 | p | 101.33 | j | 95.89 | b | 76.19 | j | 69.50 | v | 60.64 | t | 95.89 | k |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.87 | 61.25 | 69.55 | 77.15 | 86.45 | 96.08 | 102.26 | 99.87 | 93.06 | 79.56 | 65.78 | 55.94 | 76.95 | |||||||||||||
S.D. | 3.37 | 4.05 | 4.79 | 3.76 | 4.47 | 4.20 | 2.89 | 2.23 | 2.32 | 3.15 | 4.93 | 3.36 | 0.86 | |||||||||||||
SKEW | 0.66 | 0.49 | -0.43 | -0.01 | -0.15 | -0.43 | -0.18 | -0.75 | -0.24 | 0.87 | -0.09 | -0.16 | -1.07 | |||||||||||||
MAX | 67.52 | 69.39 | 80.13 | 84.53 | 93.90 | 103.12 | 108.35 | 102.93 | 97.50 | 87.34 | 76.37 | 61.90 | 77.49 | |||||||||||||
MIN | 52.67 | 55.25 | 57.90 | 69.66 | 78.07 | 86.73 | 96.26 | 93.68 | 87.92 | 74.33 | 53.86 | 50.13 | 75.67 | |||||||||||||
YRS | 26 | 26 | 26 | 27 | 22 | 20 | 21 | 26 | 27 | 23 | 24 | 23 | 4 |