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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | 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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 94.00 | c | 85.00 | 76.00 | ----- | z | ||
2009 | 70.00 | 73.00 | a | 83.00 | 93.00 | 100.00 | 105.00 | c | 109.00 | 107.00 | 102.00 | 91.00 | 84.00 | 70.00 | 109.00 | d | ||||||||||
2010 | 68.00 | 72.00 | 81.00 | 86.00 | 91.00 | 102.00 | 107.00 | 106.00 | 104.00 | 96.00 | 85.00 | 75.00 | 107.00 | |||||||||||||
2011 | 79.00 | 72.00 | 87.00 | 91.00 | 94.00 | 104.00 | 107.00 | 110.00 | 105.00 | 96.00 | 86.00 | 78.00 | 110.00 | |||||||||||||
2012 | 78.00 | 78.00 | 84.00 | 99.00 | 102.00 | 106.00 | 112.00 | 109.00 | 101.00 | 102.00 | 86.00 | 76.00 | 112.00 | |||||||||||||
2013 | 67.00 | 74.00 | 90.00 | 98.00 | 101.00 | 113.00 | 115.00 | 106.00 | 103.00 | 92.00 | 80.00 | 73.00 | 115.00 | |||||||||||||
2014 | 75.00 | 86.00 | 84.00 | 90.00 | 99.00 | 103.00 | 106.00 | d | 104.00 | a | 101.00 | a | 93.00 | 83.00 | 75.00 | 106.00 | f | |||||||||
2015 | 72.00 | 81.00 | 90.00 | 90.00 | 96.00 | 107.00 | 101.00 | 108.00 | 100.00 | 99.00 | 89.00 | 75.00 | 108.00 | |||||||||||||
2016 | 74.00 | 80.00 | a | 85.00 | 88.00 | 93.00 | 111.00 | 110.00 | 107.00 | 102.00 | 90.00 | 82.00 | 76.00 | 111.00 | a | |||||||||||
2017 | 67.00 | 82.00 | 89.00 | 89.00 | 98.00 | 113.00 | 113.00 | 109.00 | 104.00 | 93.00 | 88.00 | i | 76.00 | 113.00 | i | |||||||||||
2018 | 74.00 | 81.00 | 87.00 | 95.00 | 103.00 | 109.00 | 114.00 | 109.00 | 106.00 | 92.00 | 83.00 | 70.00 | 114.00 | |||||||||||||
2019 | 70.00 | 68.00 | 79.00 | 95.00 | 89.00 | 106.00 | 109.00 | 110.00 | 107.00 | 93.00 | 83.00 | 73.00 | 110.00 | |||||||||||||
2020 | 69.00 | 75.00 | a | 78.00 | 98.00 | 105.00 | 106.00 | 113.00 | 116.00 | 113.00 | 101.00 | 86.00 | a | 74.00 | 116.00 | b | ||||||||||
2021 | 74.00 | 75.00 | 84.00 | 90.00 | 97.00 | 113.00 | 114.00 | 107.00 | 104.00 | 89.00 | 83.00 | 76.00 | 114.00 | |||||||||||||
2022 | 69.00 | a | 78.00 | 89.00 | b | 91.00 | c | 97.00 | 105.00 | 108.00 | 105.00 | 107.00 | ----- | z | 75.00 | g | 72.00 | ----- | z | |||||||
2023 | 63.00 | a | 70.00 | k | 75.00 | 97.00 | 94.00 | 98.00 | 113.00 | 108.00 | 103.00 | 96.00 | c | 84.00 | 72.00 | b | 113.00 | q | ||||||||
2024 | 71.00 | 74.00 | 79.00 | 88.00 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 71.25 | 76.60 | 84.00 | 92.67 | 97.27 | 106.73 | 110.07 | 108.07 | 104.13 | 94.47 | 84.21 | 74.19 | 111.45 | |||||||||||||
S.D. | 4.25 | 4.78 | 4.60 | 4.08 | 4.54 | 4.38 | 3.86 | 2.81 | 3.25 | 3.85 | 2.19 | 2.32 | 2.98 | |||||||||||||
SKEW | 0.10 | 0.19 | -0.34 | 0.16 | -0.10 | -0.03 | -0.71 | 1.32 | 1.29 | 0.62 | 0.26 | -0.47 | 0.08 | |||||||||||||
MAX | 79.00 | 86.00 | 90.00 | 99.00 | 105.00 | 113.00 | 115.00 | 116.00 | 113.00 | 102.00 | 89.00 | 78.00 | 116.00 | |||||||||||||
MIN | 63.00 | 68.00 | 75.00 | 86.00 | 89.00 | 98.00 | 101.00 | 104.00 | 100.00 | 89.00 | 80.00 | 70.00 | 107.00 | |||||||||||||
YRS | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 11 |