YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 95.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 97.00 | a | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | 63.00 | b | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | 95.00 | s | 108.00 | 103.00 | 108.00 | a | 99.00 | e | 90.00 | e | 67.00 | 60.00 | ----- | z | ||||
2009 | 100.00 | r | 63.00 | c | 71.00 | c | 89.00 | 100.00 | 100.00 | 115.00 | b | 103.00 | 100.00 | 78.00 | 78.00 | 54.00 | ----- | z | ||||||||
2010 | 62.00 | 63.00 | 72.00 | 76.00 | 87.00 | 93.00 | 103.00 | 104.00 | 98.00 | 96.00 | 73.00 | 58.00 | a | 104.00 | a | |||||||||||
2011 | 61.00 | 66.00 | 65.00 | 73.00 | 79.00 | 95.00 | a | 99.00 | a | 97.00 | 97.00 | 88.00 | 65.00 | 61.00 | 99.00 | b | ||||||||||
2012 | 62.00 | 63.00 | 71.00 | 86.00 | 95.00 | b | 91.00 | b | 100.00 | 105.00 | a | 96.00 | a | 94.00 | 72.00 | a | 56.00 | 105.00 | g | |||||||
2013 | 55.00 | 65.00 | 80.00 | 85.00 | b | 90.00 | 100.00 | 106.00 | 99.00 | 100.00 | 80.00 | 72.00 | 60.00 | 106.00 | b | |||||||||||
2014 | 65.00 | 71.00 | 74.00 | a | 80.00 | 92.00 | 91.00 | 106.00 | 102.00 | 98.00 | 90.00 | c | 67.00 | a | 63.00 | 106.00 | e | |||||||||
2015 | 63.00 | b | 68.00 | b | 78.00 | b | 83.00 | a | 88.00 | d | 107.00 | d | 106.00 | b | 108.00 | a | 100.00 | a | 90.00 | a | 72.00 | a | 62.00 | 108.00 | u | |
2016 | 62.00 | a | 69.00 | b | 72.00 | d | 88.00 | b | 89.00 | 99.00 | 106.00 | a | 106.00 | 97.00 | 82.00 | c | 77.00 | b | 55.00 | e | 106.00 | t | ||||
2017 | 52.00 | c | 61.00 | d | 71.00 | d | 72.00 | b | 95.00 | d | 105.00 | 102.00 | a | 110.00 | d | 105.00 | b | 81.00 | b | 71.00 | b | 55.00 | ----- | z | ||
2018 | 63.00 | b | 68.00 | b | 73.00 | c | 86.00 | d | 88.00 | 101.00 | b | 104.00 | f | 103.00 | c | 97.00 | a | 88.00 | 75.00 | 58.00 | 104.00 | w | ||||
2019 | 61.00 | a | 60.00 | a | 74.00 | 85.00 | 89.00 | 99.00 | 99.00 | a | 104.00 | 97.00 | 79.00 | 73.00 | a | 57.00 | a | 104.00 | e | |||||||
2020 | 54.00 | a | 71.00 | b | 72.00 | b | 85.00 | a | 96.00 | b | 104.00 | 104.00 | 105.00 | d | 105.00 | b | 95.00 | c | 76.00 | e | 56.00 | a | 105.00 | w | ||
2021 | 62.00 | a | 62.00 | a | 74.00 | 88.00 | c | 90.00 | d | 110.00 | 106.00 | c | 104.00 | f | 96.00 | a | 88.00 | 67.00 | 58.00 | 110.00 | s | |||||
2022 | 64.00 | d | 74.00 | f | 78.00 | f | 84.00 | 88.00 | d | 100.00 | d | 113.00 | b | 106.00 | d | 102.00 | e | 91.00 | c | 72.00 | e | 56.00 | d | ----- | z | |
2023 | 56.00 | d | 61.00 | c | 58.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 60.33 | 65.07 | 72.85 | 82.86 | 90.73 | 100.20 | 104.86 | 104.29 | 99.13 | 87.94 | 71.80 | 57.93 | 103.00 | |||||||||||||
S.D. | 4.01 | 3.77 | 3.60 | 5.52 | 5.01 | 5.93 | 4.67 | 3.47 | 2.92 | 6.22 | 3.90 | 2.74 | 3.61 | |||||||||||||
SKEW | -0.96 | 0.31 | 0.01 | -0.94 | -0.33 | -0.06 | 0.81 | -0.48 | 0.96 | -0.24 | -0.20 | 0.40 | -0.47 | |||||||||||||
MAX | 65.00 | 71.00 | 80.00 | 89.00 | 100.00 | 110.00 | 115.00 | 110.00 | 105.00 | 97.00 | 78.00 | 63.00 | 106.00 | |||||||||||||
MIN | 52.00 | 60.00 | 65.00 | 72.00 | 79.00 | 91.00 | 99.00 | 97.00 | 96.00 | 78.00 | 65.00 | 54.00 | 99.00 | |||||||||||||
YRS | 15 | 14 | 13 | 14 | 15 | 15 | 14 | 14 | 15 | 16 | 15 | 15 | 3 |