YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.00 | b | 93.00 | ----- | z | |
1980 | 80.00 | 87.00 | 80.00 | 90.00 | b | 82.00 | 103.00 | 105.00 | 97.00 | 105.00 | 92.00 | a | 89.00 | 88.00 | a | 105.00 | d | |||||||||
1981 | 82.00 | 89.00 | 79.00 | a | 89.00 | 95.00 | ----- | z | 100.00 | a | 105.00 | 98.00 | 92.00 | 91.00 | 84.00 | a | ----- | z | ||||||||
1982 | 76.00 | b | 85.00 | d | 87.00 | c | 88.00 | 89.00 | d | 87.00 | c | 103.00 | b | 101.00 | b | 109.00 | d | 95.00 | a | 86.00 | ----- | z | ----- | z | ||
1983 | 86.00 | 84.00 | d | 83.00 | a | 87.00 | a | 94.00 | b | 92.00 | c | 102.00 | 104.00 | a | 105.00 | b | 96.00 | b | 87.00 | a | 81.00 | a | 105.00 | r | ||
1984 | 85.00 | a | 83.00 | a | 87.00 | a | 90.00 | c | 103.00 | d | 96.00 | b | 98.00 | c | 95.00 | b | 107.00 | e | 91.00 | c | 80.00 | b | 74.00 | g | ----- | z |
1985 | 76.00 | b | 86.00 | b | 82.00 | e | 92.00 | d | 84.00 | d | 103.00 | d | 108.00 | d | 105.00 | d | 94.00 | f | 101.00 | b | 84.00 | c | 80.00 | ----- | z | |
1986 | 83.00 | d | ----- | z | 90.00 | b | 90.00 | e | 93.00 | d | 93.00 | 92.00 | d | 100.00 | c | 92.00 | b | 88.00 | c | 85.00 | b | 81.00 | b | ----- | z | |
1987 | 84.00 | c | 81.00 | a | 87.00 | b | 94.00 | f | 90.00 | b | 88.00 | d | 94.00 | g | 95.00 | e | 106.00 | d | 105.00 | c | ----- | z | 79.00 | c | ----- | z |
1988 | 82.00 | d | 87.00 | d | 98.00 | e | 91.00 | j | 93.00 | f | 91.00 | d | 94.00 | d | 95.00 | a | 109.00 | h | 96.00 | f | 85.00 | d | 82.00 | b | ----- | z |
1989 | 80.00 | c | 86.00 | j | 85.00 | h | 104.00 | l | 86.00 | c | 94.00 | k | 104.00 | d | 92.00 | c | 108.00 | e | 96.00 | b | 88.00 | b | 86.00 | e | ----- | z |
1990 | 81.00 | c | 83.00 | e | 87.00 | b | 86.00 | b | 100.00 | d | 106.00 | e | 96.00 | d | 99.00 | b | 103.00 | c | 97.00 | b | 90.00 | a | 82.00 | b | ----- | z |
1991 | 80.00 | e | 83.00 | e | 76.00 | d | 89.00 | c | 90.00 | c | 84.00 | c | 91.00 | 98.00 | b | ----- | z | 106.00 | e | 89.00 | d | 79.00 | b | ----- | z | |
1992 | 82.00 | b | 83.00 | d | 73.00 | b | ----- | z | 84.00 | c | ----- | z | 102.00 | d | 102.00 | c | 103.00 | a | ----- | z | 83.00 | a | 74.00 | d | ----- | z |
1993 | 79.00 | c | 78.00 | b | 84.00 | a | 88.00 | d | 95.00 | f | 94.00 | d | 93.00 | a | 95.00 | d | 100.00 | d | 93.00 | e | 86.00 | c | 81.00 | b | ----- | z |
1994 | 83.00 | c | 76.00 | b | ----- | z | 86.00 | 92.00 | c | ----- | z | 93.00 | c | 107.00 | ----- | z | 96.00 | a | 86.00 | 77.00 | ----- | z | ||||
1995 | 78.00 | a | 87.00 | 77.00 | a | 87.00 | 82.00 | 91.00 | a | 96.00 | b | 105.00 | g | 101.00 | a | 100.00 | 89.00 | 86.00 | 105.00 | m | ||||||
1996 | ----- | z | 90.00 | b | 89.00 | a | 96.00 | a | 97.00 | d | 101.00 | d | 103.00 | b | 101.00 | k | 96.00 | m | 95.00 | g | 97.00 | b | 79.00 | e | ----- | z |
1997 | 80.00 | d | 87.00 | e | 98.00 | e | 91.00 | d | 100.00 | c | 90.00 | 99.00 | a | 104.00 | h | ----- | z | 100.00 | b | 98.00 | j | ----- | z | ----- | z | |
1998 | 78.00 | d | 74.00 | 85.00 | e | ----- | z | 82.00 | 90.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | 82.00 | a | ----- | z | ----- | z | ||
1999 | 83.00 | c | 81.00 | 81.00 | d | 95.00 | d | 85.00 | a | 94.00 | b | 98.00 | 96.00 | c | 105.00 | a | 101.00 | e | 90.00 | e | 84.00 | e | ----- | z | ||
2000 | 87.00 | b | 85.00 | b | 85.00 | a | 90.00 | c | 93.00 | 94.00 | a | 98.00 | d | 103.00 | b | 102.00 | 85.00 | c | 86.00 | b | 83.00 | c | 103.00 | w | ||
2001 | 84.00 | d | 90.00 | a | 91.00 | b | 93.00 | c | 98.00 | 94.00 | a | 96.00 | 97.00 | c | 100.00 | 92.00 | g | 88.00 | b | 79.00 | h | ----- | z | |||
2002 | 83.00 | 95.00 | b | 84.00 | a | 85.00 | c | 94.00 | c | 89.00 | c | 94.00 | b | 106.00 | i | 101.00 | g | 94.00 | d | 92.00 | b | 77.00 | d | ----- | z | |
2003 | 92.00 | d | 78.00 | m | 90.00 | e | 86.00 | d | 94.00 | d | 92.00 | d | 100.00 | b | 103.00 | a | 100.00 | a | 102.00 | g | 87.00 | c | 80.00 | d | ----- | z |
2004 | 83.00 | e | 82.00 | d | 94.00 | f | 100.00 | n | 104.00 | n | 89.00 | f | 100.00 | a | 96.00 | b | 99.00 | l | 97.00 | h | 78.00 | f | 83.00 | a | ----- | z |
2005 | 83.00 | b | 77.00 | d | 80.00 | a | 89.00 | b | 93.00 | b | 90.00 | 101.00 | 101.00 | a | 99.00 | e | 97.00 | f | 91.00 | c | 85.00 | ----- | z | |||
2006 | 89.00 | 88.00 | b | 82.00 | c | 89.00 | a | 88.00 | 104.00 | c | 113.00 | 97.00 | 103.00 | c | 92.00 | j | 95.00 | d | 85.00 | b | ----- | z | ||||
2007 | 86.00 | d | 91.00 | b | 95.00 | 87.00 | 96.00 | d | 94.00 | 99.00 | c | 103.00 | j | 110.00 | g | 98.00 | g | 92.00 | 84.00 | a | ----- | z | ||||
2008 | 82.00 | b | 84.00 | b | 90.00 | n | 99.00 | a | 98.00 | a | 95.00 | a | 106.00 | e | 97.00 | d | 103.00 | b | 101.00 | f | 99.00 | 84.00 | a | ----- | z | |
2009 | 89.00 | 89.00 | 89.00 | a | 98.00 | e | 86.00 | a | 96.00 | 99.00 | 107.00 | 102.00 | 97.00 | 91.00 | 83.00 | 107.00 | g | |||||||||
2010 | 83.00 | 85.00 | a | 86.00 | 84.00 | d | 87.00 | 88.00 | 103.00 | a | 103.00 | 109.00 | 90.00 | 97.00 | 91.00 | 109.00 | f | |||||||||
2011 | 88.00 | 81.00 | 88.00 | 93.00 | d | 94.00 | 89.00 | 95.00 | 96.00 | 102.00 | 104.00 | 87.00 | b | 82.00 | 104.00 | f | ||||||||||
2012 | 90.00 | 81.00 | 87.00 | 85.00 | 88.00 | 90.00 | 95.00 | 98.00 | 103.00 | 103.00 | 95.00 | 78.00 | 103.00 | |||||||||||||
2013 | 84.00 | 86.00 | 94.00 | 86.00 | 101.00 | 96.00 | 93.00 | 95.00 | 100.00 | 93.00 | a | 92.00 | 84.00 | 101.00 | a | |||||||||||
2014 | 86.00 | 88.00 | 92.00 | 95.00 | 104.00 | 90.00 | 96.00 | 97.00 | 104.00 | a | 100.00 | 93.00 | 84.00 | 104.00 | a | |||||||||||
2015 | 88.00 | 88.00 | 94.00 | 95.00 | 94.00 | 95.00 | 92.00 | 103.00 | 105.00 | 103.00 | 91.00 | 84.00 | 105.00 | |||||||||||||
2016 | 77.00 | 93.00 | 86.00 | 91.00 | 81.00 | 107.00 | 105.00 | 104.00 | 99.00 | 98.00 | 94.00 | 83.00 | 107.00 | |||||||||||||
2017 | 81.00 | 84.00 | 92.00 | 92.00 | 94.00 | 100.00 | 95.00 | 102.00 | 106.00 | 105.00 | 98.00 | 86.00 | 106.00 | |||||||||||||
2018 | 89.00 | 87.00 | 85.00 | 94.00 | 93.00 | 94.00 | 112.00 | 98.00 | 99.00 | 93.00 | 92.00 | 81.00 | 112.00 | |||||||||||||
2019 | 81.00 | 73.00 | 85.00 | 91.00 | 79.00 | 104.00 | 96.00 | 96.00 | 99.00 | 98.00 | 93.00 | 78.00 | 104.00 | |||||||||||||
2020 | 82.00 | 86.00 | 84.00 | 96.00 | 95.00 | 99.00 | 100.00 | 102.00 | 114.00 | 103.00 | 96.00 | 84.00 | 114.00 | |||||||||||||
2021 | 93.00 | 85.00 | 90.00 | 96.00 | 89.00 | 101.00 | 93.00 | 100.00 | 101.00 | 97.00 | 95.00 | 84.00 | 101.00 | |||||||||||||
2022 | 81.00 | 89.00 | 88.00 | 99.00 | 93.00 | 94.00 | 91.00 | 101.00 | 101.00 | 94.00 | 79.00 | 86.00 | 101.00 | |||||||||||||
2023 | 76.00 | 78.00 | 77.00 | 89.00 | 81.00 | 87.00 | 96.00 | 102.00 | 97.00 | 96.00 | 89.00 | 83.00 | 102.00 | |||||||||||||
2024 | 82.00 | 80.00 | 75.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 83.11 | 84.50 | 85.90 | 90.68 | 91.24 | 94.49 | 98.69 | 99.58 | 102.65 | 97.03 | 89.60 | 82.70 | 105.00 | |||||||||||||
S.D. | 4.16 | 4.85 | 5.97 | 4.11 | 6.43 | 5.77 | 5.38 | 3.82 | 4.13 | 5.19 | 4.84 | 3.67 | 4.06 | |||||||||||||
SKEW | 0.38 | -0.37 | -0.07 | 0.40 | -0.06 | 0.53 | 0.75 | 0.17 | 0.25 | -0.15 | -0.08 | 0.29 | 1.10 | |||||||||||||
MAX | 93.00 | 95.00 | 98.00 | 99.00 | 104.00 | 107.00 | 113.00 | 107.00 | 114.00 | 106.00 | 99.00 | 93.00 | 114.00 | |||||||||||||
MIN | 76.00 | 73.00 | 73.00 | 84.00 | 79.00 | 84.00 | 91.00 | 92.00 | 92.00 | 85.00 | 79.00 | 74.00 | 101.00 | |||||||||||||
YRS | 44 | 42 | 41 | 38 | 41 | 39 | 42 | 38 | 34 | 33 | 42 | 40 | 13 |