YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | l | 94.00 | 87.00 | 78.00 | ----- | z | |||
1951 | 79.00 | 85.00 | 89.00 | a | 91.00 | 104.00 | 112.00 | 104.00 | 106.00 | 104.00 | 98.00 | 84.00 | c | 82.00 | 112.00 | d | ||||||||||
1952 | 83.00 | 81.00 | 85.00 | 91.00 | 100.00 | 101.00 | k | 101.00 | 105.00 | 103.00 | 92.00 | b | 88.00 | 74.00 | 105.00 | m | ||||||||||
1953 | 82.00 | a | 80.00 | 89.00 | 91.00 | 107.00 | 107.00 | 102.00 | 105.00 | 103.00 | b | 88.00 | j | 75.00 | s | 70.00 | ----- | z | ||||||||
1954 | 76.00 | 84.00 | ----- | z | 93.00 | r | 96.00 | m | 99.00 | a | 110.00 | 108.00 | c | 92.00 | v | 85.00 | l | 82.00 | b | 85.00 | ----- | z | ||||
1955 | 72.00 | h | ----- | z | ----- | z | 97.00 | 95.00 | 104.00 | 99.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 81.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1972 | ----- | z | 87.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1973 | ----- | z | 75.00 | ----- | 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 | 77.00 | ----- | 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 | 83.00 | ----- | z | |
1979 | 73.00 | a | 87.00 | b | 99.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.00 | ----- | z | ----- | z | ----- | z | |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.00 | 78.00 | ----- | 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 | 82.00 | c | 87.00 | e | 88.00 | b | 96.00 | a | 113.00 | c | 103.00 | g | 108.00 | d | 104.00 | e | 110.00 | a | 99.00 | a | 74.00 | a | 70.00 | c | ----- | z |
2001 | 72.00 | 78.00 | b | 83.00 | a | 92.00 | 103.00 | 105.00 | 104.00 | 100.00 | 99.00 | 90.00 | a | 85.00 | 70.00 | 105.00 | d | |||||||||
2002 | 76.00 | b | 81.00 | b | 87.00 | 99.00 | 97.00 | 101.00 | b | 103.00 | 104.00 | 95.00 | d | 89.00 | b | 78.00 | c | 76.00 | b | 104.00 | q | |||||
2003 | 74.00 | e | 80.00 | e | 84.00 | a | 92.00 | 103.00 | c | ----- | z | 100.00 | a | 103.00 | b | 94.00 | b | 90.00 | c | 79.00 | 75.00 | c | ----- | z | ||
2004 | 76.00 | e | 75.00 | 86.00 | ----- | z | 98.00 | 101.00 | a | 100.00 | a | 98.00 | a | 96.00 | 84.00 | 77.00 | b | 71.00 | c | ----- | z | |||||
2005 | 71.00 | a | 74.00 | a | 80.00 | b | 89.00 | 102.00 | a | 105.00 | 104.00 | a | 95.00 | 100.00 | 92.00 | a | 83.00 | a | 80.00 | a | 105.00 | i | ||||
2006 | 81.00 | 82.00 | 86.00 | b | 95.00 | 104.00 | c | 104.00 | 99.00 | d | 100.00 | b | 91.00 | a | 88.00 | a | 84.00 | 75.00 | 104.00 | m | ||||||
2007 | 70.00 | c | 76.00 | 84.00 | a | 88.00 | a | 93.00 | b | 102.00 | 99.00 | 99.00 | 96.00 | a | 93.00 | 86.00 | a | 77.00 | a | 102.00 | j | |||||
2008 | 76.00 | a | 81.00 | 87.00 | h | 94.00 | a | 107.00 | 105.00 | e | 100.00 | 100.00 | 92.00 | 90.00 | a | 81.00 | 81.00 | g | 107.00 | w | ||||||
2009 | 79.00 | a | 88.00 | b | 88.00 | b | 96.00 | a | 105.00 | a | 104.00 | 105.00 | 104.00 | a | 95.00 | 94.00 | a | 82.00 | b | 71.00 | 105.00 | k | ||||
2010 | 79.00 | a | 72.00 | a | 88.00 | b | 92.00 | 98.00 | 108.00 | a | 96.00 | 103.00 | 98.00 | b | 90.00 | 85.00 | a | 78.00 | 108.00 | h | ||||||
2011 | 75.00 | 84.00 | 90.00 | 94.00 | a | 104.00 | 109.00 | a | 101.00 | d | 103.00 | 98.00 | 94.00 | 82.00 | 66.00 | 109.00 | f | |||||||||
2012 | 79.00 | 82.00 | a | 90.00 | c | 101.00 | a | 100.00 | 104.00 | b | 99.00 | a | 104.00 | c | 101.00 | 89.00 | 84.00 | d | 80.00 | e | 104.00 | t | ||||
2013 | 77.00 | d | 72.00 | f | 89.00 | d | 96.00 | d | 102.00 | g | 105.00 | c | 100.00 | b | 103.00 | e | 97.00 | e | 93.00 | b | 80.00 | f | 76.00 | d | ----- | z |
2014 | 78.00 | a | 83.00 | f | 85.00 | c | 92.00 | e | 97.00 | d | 104.00 | a | 101.00 | 99.00 | b | 100.00 | a | 90.00 | a | 79.00 | d | 71.00 | c | ----- | z | |
2015 | 77.00 | f | 79.00 | a | 89.00 | b | 88.00 | c | 90.00 | a | 98.00 | b | 101.00 | c | 101.00 | a | 96.00 | g | 92.00 | c | 79.00 | d | 79.00 | h | ----- | z |
2016 | 77.00 | b | 85.00 | c | 84.00 | e | 89.00 | d | 96.00 | a | 101.00 | e | 105.00 | g | 99.00 | f | 93.00 | c | 94.00 | e | 87.00 | h | 80.00 | d | ----- | z |
2017 | 80.00 | i | 89.00 | d | 92.00 | c | 93.00 | f | 97.00 | g | 106.00 | c | 99.00 | e | 96.00 | e | 101.00 | c | 89.00 | e | 86.00 | e | 76.00 | g | ----- | z |
2018 | 76.00 | d | 80.00 | f | 89.00 | d | 88.00 | g | 104.00 | g | 106.00 | d | 102.00 | e | 100.00 | c | 94.00 | d | 91.00 | e | 80.00 | e | 72.00 | e | ----- | z |
2019 | 71.00 | c | 79.00 | b | 87.00 | f | 94.00 | c | 92.00 | c | 104.00 | e | 102.00 | d | 109.00 | d | 95.00 | e | 92.00 | d | 82.00 | c | 79.00 | b | ----- | z |
2020 | 75.00 | b | 75.00 | 93.00 | a | 97.00 | c | 100.00 | e | 105.00 | f | 109.00 | b | 104.00 | 101.00 | b | 96.00 | b | 84.00 | c | 79.00 | b | ----- | z | ||
2021 | 68.00 | g | 83.00 | c | 83.00 | 91.00 | b | 95.00 | a | 104.00 | b | 98.00 | a | 100.00 | 99.00 | a | 96.00 | c | 84.00 | e | 82.00 | c | ----- | z | ||
2022 | 75.00 | c | 76.00 | e | 92.00 | d | 94.00 | f | 103.00 | g | 105.00 | b | 103.00 | f | 100.00 | g | 91.00 | c | 87.00 | g | 78.00 | q | 78.00 | j | ----- | z |
2023 | 77.00 | s | 86.00 | n | 85.00 | r | 94.00 | p | 96.00 | b | 108.00 | i | 106.00 | r | 108.00 | q | 102.00 | q | 90.00 | s | 81.00 | q | 76.00 | q | ----- | z |
2024 | 74.00 | s | 75.00 | p | 84.00 | s | 89.00 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 76.65 | 80.93 | 87.68 | 93.26 | 99.96 | 104.29 | 101.77 | 102.12 | 97.84 | 92.35 | 82.08 | 76.08 | 108.50 | |||||||||||||
S.D. | 3.58 | 4.74 | 3.97 | 3.48 | 5.45 | 3.07 | 3.39 | 3.43 | 4.53 | 3.79 | 3.43 | 4.84 | 4.95 | |||||||||||||
SKEW | -0.05 | -0.07 | 0.64 | 0.36 | 0.29 | 0.20 | 0.92 | -0.10 | 0.58 | 0.48 | -0.42 | -0.16 | 0.00 | |||||||||||||
MAX | 83.00 | 89.00 | 99.00 | 101.00 | 113.00 | 112.00 | 110.00 | 109.00 | 110.00 | 102.00 | 88.00 | 85.00 | 112.00 | |||||||||||||
MIN | 70.00 | 72.00 | 80.00 | 88.00 | 90.00 | 98.00 | 96.00 | 95.00 | 91.00 | 84.00 | 74.00 | 66.00 | 105.00 | |||||||||||||
YRS | 26 | 27 | 25 | 23 | 24 | 24 | 26 | 25 | 25 | 26 | 26 | 26 | 2 |