YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | 92.00 | 86.00 | 88.00 | 80.00 | ----- | z | ----- | z | ----- | z | |||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.00 | ----- | z | ----- | z | ----- | z | ----- | z | |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | 60.00 | e | 58.00 | e | 64.00 | e | 72.00 | 89.00 | a | 88.00 | b | 88.00 | b | 89.00 | g | 85.00 | f | 81.00 | r | 52.00 | r | 54.00 | a | ----- | z | |
2001 | 59.00 | b | 52.00 | b | 63.00 | e | 75.00 | d | 74.00 | y | 87.00 | d | 92.00 | g | 87.00 | e | 83.00 | 76.00 | c | 69.00 | d | 57.00 | f | ----- | z | |
2002 | 63.00 | g | 55.00 | h | 62.00 | e | 76.00 | a | 83.00 | b | 92.00 | a | 91.00 | b | 92.00 | a | 84.00 | c | 73.00 | d | 62.00 | c | 59.00 | a | ----- | z |
2003 | 63.00 | c | 64.00 | c | 67.00 | 71.00 | a | 87.00 | b | 78.00 | b | 94.00 | a | 89.00 | b | 78.00 | a | 79.00 | a | 63.00 | b | 60.00 | 94.00 | r | ||
2004 | 56.00 | 64.00 | 72.00 | 72.00 | 80.00 | 90.00 | 89.00 | a | 87.00 | a | 83.00 | a | 70.00 | 64.00 | 58.00 | 90.00 | c | |||||||||
2005 | 66.00 | 53.00 | 65.00 | 68.00 | 84.00 | 83.00 | 93.00 | 88.00 | 82.00 | 79.00 | 69.00 | 59.00 | 93.00 | |||||||||||||
2006 | 59.00 | 60.00 | 66.00 | 75.00 | a | 84.00 | 92.00 | 91.00 | 86.00 | 77.00 | 74.00 | 70.00 | 61.00 | 92.00 | a | |||||||||||
2007 | 53.00 | 61.00 | 67.00 | 74.00 | 77.00 | 90.00 | 89.00 | 89.00 | 83.00 | 77.00 | 70.00 | 57.00 | 90.00 | |||||||||||||
2008 | 55.00 | 56.00 | 66.00 | 74.00 | 79.00 | 86.00 | 90.00 | 91.00 | 80.00 | 73.00 | 68.00 | 59.00 | 91.00 | |||||||||||||
2009 | 61.00 | 59.00 | 69.00 | a | 72.00 | 80.00 | a | 81.00 | 89.00 | 88.00 | 84.00 | 74.00 | 66.00 | 55.00 | 89.00 | b | ||||||||||
2010 | 58.00 | 47.00 | 71.00 | 68.00 | 86.00 | 89.00 | 91.00 | 89.00 | 84.00 | 75.00 | 69.00 | 59.00 | 91.00 | |||||||||||||
2011 | 58.00 | 58.00 | 66.00 | 74.00 | 77.00 | 87.00 | 89.00 | 90.00 | 88.00 | 77.00 | 62.00 | 56.00 | 90.00 | |||||||||||||
2012 | 60.00 | 56.00 | 71.00 | 78.00 | 85.00 | 94.00 | 91.00 | 87.00 | 84.00 | 76.00 | 69.00 | 63.00 | 94.00 | |||||||||||||
2013 | 60.00 | 53.00 | 65.00 | 70.00 | 80.00 | 91.00 | 90.00 | 88.00 | 86.00 | 76.00 | 64.00 | 58.00 | 91.00 | |||||||||||||
2014 | 53.00 | 55.00 | 64.00 | 70.00 | 81.00 | 88.00 | 92.00 | 87.00 | 86.00 | 75.00 | 64.00 | 60.00 | 92.00 | |||||||||||||
2015 | 67.00 | 63.00 | 71.00 | 70.00 | 70.00 | 88.00 | a | 87.00 | 90.00 | 84.00 | 78.00 | 67.00 | 60.00 | 90.00 | a | |||||||||||
2016 | 57.00 | 64.00 | a | 64.00 | 72.00 | 74.00 | 94.00 | 91.00 | 87.00 | 83.00 | 78.00 | 70.00 | 55.00 | 94.00 | a | |||||||||||
2017 | 54.00 | 64.00 | 71.00 | a | 69.00 | 77.00 | 89.00 | 88.00 | 85.00 | 87.00 | 75.00 | 69.00 | 58.00 | 89.00 | a | |||||||||||
2018 | 61.00 | 55.00 | 63.00 | 73.00 | 80.00 | 91.00 | a | 89.00 | 85.00 | 83.00 | b | 77.00 | a | 55.00 | 54.00 | 91.00 | d | |||||||||
2019 | 55.00 | a | 58.00 | 63.00 | 69.00 | 73.00 | b | 75.00 | t | 89.00 | r | 87.00 | b | 90.00 | 72.00 | b | 64.00 | 57.00 | ----- | z | ||||||
2020 | 55.00 | 63.00 | 58.00 | 76.00 | a | 78.00 | 85.00 | 91.00 | 87.00 | 91.00 | 76.00 | 70.00 | 60.00 | 91.00 | a | |||||||||||
2021 | 52.00 | 56.00 | 62.00 | 72.00 | 76.00 | 91.00 | 91.00 | 87.00 | 89.00 | 72.00 | 68.00 | 64.00 | 91.00 | |||||||||||||
2022 | 57.00 | 54.00 | 71.00 | 77.00 | 80.00 | 90.00 | 92.00 | 87.00 | 87.00 | e | 70.00 | 62.00 | 55.00 | 92.00 | e | |||||||||||
2023 | 55.00 | 55.00 | 58.00 | 75.00 | 72.00 | 86.00 | 91.00 | 91.00 | 85.00 | 78.00 | 66.00 | f | 61.00 | 91.00 | f | |||||||||||
2024 | 53.00 | a | 57.00 | a | 59.00 | 71.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.79 | 57.71 | 65.52 | 72.58 | 79.65 | 88.29 | 90.39 | 87.92 | 84.64 | 75.42 | 66.09 | 58.35 | 91.12 | |||||||||||||
S.D. | 4.01 | 4.52 | 4.16 | 2.86 | 4.90 | 3.83 | 1.70 | 1.86 | 3.40 | 2.75 | 3.85 | 2.71 | 1.50 | |||||||||||||
SKEW | 0.62 | -0.20 | -0.08 | 0.07 | -0.04 | -0.90 | -0.01 | 0.54 | -0.29 | -0.38 | -1.07 | 0.10 | 0.60 | |||||||||||||
MAX | 67.00 | 64.00 | 72.00 | 78.00 | 89.00 | 94.00 | 94.00 | 92.00 | 91.00 | 80.00 | 70.00 | 64.00 | 94.00 | |||||||||||||
MIN | 52.00 | 47.00 | 58.00 | 68.00 | 70.00 | 78.00 | 87.00 | 85.00 | 77.00 | 70.00 | 55.00 | 54.00 | 89.00 | |||||||||||||
YRS | 24 | 24 | 25 | 24 | 23 | 24 | 23 | 24 | 25 | 24 | 22 | 23 | 17 |