YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 107.00 | o | 105.00 | 99.00 | 100.00 | 95.00 | 86.00 | 80.00 | ----- | z | ||||||
1955 | 68.00 | 78.00 | 80.00 | 85.00 | 99.00 | 105.00 | 104.00 | 95.00 | 101.00 | 95.00 | 79.00 | 74.00 | 105.00 | |||||||||||||
1956 | 73.00 | a | 75.00 | 87.00 | 85.00 | 98.00 | 104.00 | 105.00 | a | 100.00 | 101.00 | 94.00 | 79.00 | 73.00 | 105.00 | b | ||||||||||
1957 | 70.00 | 86.00 | 82.00 | 86.00 | 95.00 | 106.00 | 104.00 | 97.00 | 98.00 | a | 92.00 | 72.00 | 69.00 | 106.00 | a | |||||||||||
1958 | 70.00 | a | 77.00 | 74.00 | 90.00 | 105.00 | 103.00 | 108.00 | 98.00 | 98.00 | 88.00 | 80.00 | 76.00 | 108.00 | a | |||||||||||
1959 | 75.00 | 73.00 | 80.00 | 92.00 | 98.00 | 105.00 | 102.00 | 98.00 | 99.00 | 93.00 | 74.00 | 72.00 | 105.00 | |||||||||||||
1960 | 68.00 | a | 71.00 | 85.00 | 90.00 | 99.00 | 108.00 | 103.00 | a | 101.00 | 99.00 | 92.00 | 82.00 | 73.00 | 108.00 | b | ||||||||||
1961 | 70.00 | 79.00 | a | 83.00 | 90.00 | 96.00 | 105.00 | 103.00 | 102.00 | a | 94.00 | 90.00 | 73.00 | 75.00 | 105.00 | b | ||||||||||
1962 | 70.00 | 80.00 | 84.00 | 93.00 | 96.00 | 106.00 | 101.00 | 105.00 | 100.00 | a | 90.00 | 83.00 | 71.00 | 106.00 | a | |||||||||||
1963 | 77.00 | a | 83.00 | 84.00 | 92.00 | 97.00 | 102.00 | 104.00 | 98.00 | 98.00 | 93.00 | 79.00 | 71.00 | 104.00 | a | |||||||||||
1964 | 70.00 | a | 70.00 | 85.00 | 91.00 | 99.00 | 103.00 | 106.00 | 102.00 | a | 98.00 | 91.00 | 82.00 | 71.00 | 106.00 | b | ||||||||||
1965 | 71.00 | 76.00 | 84.00 | a | 95.00 | 95.00 | 101.00 | a | 105.00 | 101.00 | 96.00 | a | 95.00 | 83.00 | 73.00 | b | 105.00 | e | ||||||||
1966 | 69.00 | 68.00 | 85.00 | 87.00 | 98.00 | 105.00 | 104.00 | a | 98.00 | 94.00 | 90.00 | 80.00 | 75.00 | 105.00 | a | |||||||||||
1967 | 75.00 | 78.00 | 88.00 | a | 87.00 | 96.00 | 102.00 | 105.00 | 100.00 | 96.00 | 90.00 | 81.00 | 65.00 | 105.00 | a | |||||||||||
1968 | 69.00 | 78.00 | 83.00 | 85.00 | 100.00 | 108.00 | 103.00 | a | 95.00 | 100.00 | 91.00 | 80.00 | 72.00 | b | 108.00 | c | ||||||||||
1969 | 77.00 | 70.00 | 90.00 | 92.00 | 103.00 | 107.00 | 108.00 | 107.00 | 98.00 | 93.00 | 78.00 | 73.00 | 108.00 | |||||||||||||
1970 | 75.00 | 78.00 | 77.00 | 84.00 | 101.00 | 111.00 | 107.00 | 103.00 | 102.00 | 85.00 | 82.00 | 77.00 | 111.00 | |||||||||||||
1971 | 82.00 | 81.00 | 90.00 | 91.00 | 93.00 | 107.00 | 109.00 | 100.00 | 101.00 | 89.00 | a | 81.00 | 72.00 | 109.00 | a | |||||||||||
1972 | 72.00 | 81.00 | 88.00 | 92.00 | 95.00 | 105.00 | 107.00 | 109.00 | 99.00 | 97.00 | 77.00 | 72.00 | 109.00 | |||||||||||||
1973 | 69.00 | a | 73.00 | 74.00 | 89.00 | a | 101.00 | 110.00 | 109.00 | 104.00 | 103.00 | 96.00 | 86.00 | 81.00 | 110.00 | b | ||||||||||
1974 | 76.00 | 79.00 | 85.00 | 88.00 | 104.00 | 110.00 | 105.00 | 103.00 | 102.00 | 92.00 | 75.00 | 69.00 | 110.00 | |||||||||||||
1975 | 73.00 | 77.00 | 83.00 | 86.00 | 96.00 | 103.00 | 105.00 | 105.00 | 98.00 | 93.00 | 84.00 | 73.00 | 105.00 | |||||||||||||
1976 | 74.00 | 81.00 | 82.00 | 89.00 | 97.00 | 107.00 | 105.00 | 102.00 | 95.00 | 87.00 | 80.00 | 68.00 | 107.00 | |||||||||||||
1977 | 68.00 | 79.00 | 81.00 | 89.00 | 103.00 | 106.00 | 104.00 | 103.00 | 100.00 | 97.00 | 85.00 | 74.00 | 106.00 | |||||||||||||
1978 | 70.00 | 73.00 | 85.00 | 90.00 | 99.00 | 107.00 | 107.00 | 100.00 | a | 98.00 | 96.00 | ----- | z | ----- | z | ----- | z | |||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 103.00 | ----- | z | 78.00 | ----- | z | ----- | z | ||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 108.00 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | ----- | z | ----- | z | |
2010 | 71.00 | 72.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
2011 | ----- | z | ----- | z | 84.00 | d | 90.00 | 97.00 | 108.00 | 104.00 | 103.00 | b | 99.00 | b | 91.00 | a | 80.00 | b | 68.00 | ----- | z | |||||
2012 | 73.00 | 73.00 | b | 84.00 | 97.00 | 101.00 | a | 105.00 | a | 102.00 | 106.00 | 97.00 | 93.00 | 82.00 | 75.00 | 106.00 | d | |||||||||
2013 | 70.00 | 68.00 | 86.00 | 94.00 | 95.00 | b | 107.00 | d | 104.00 | 103.00 | a | 98.00 | 87.00 | 79.00 | 68.00 | 107.00 | g | |||||||||
2014 | 72.00 | 80.00 | 78.00 | 91.00 | 101.00 | 104.00 | 102.00 | 99.00 | 98.00 | 89.00 | 80.00 | 70.00 | a | 104.00 | a | |||||||||||
2015 | 72.00 | 76.00 | 87.00 | 88.00 | 98.00 | a | 105.00 | 99.00 | 103.00 | 95.00 | b | 91.00 | 75.00 | 72.00 | 105.00 | c | ||||||||||
2016 | 71.00 | 82.00 | 83.00 | a | 88.00 | 97.00 | 109.00 | 102.00 | a | 98.00 | 97.00 | 89.00 | 81.00 | 73.00 | 109.00 | b | ||||||||||
2017 | 70.00 | 78.00 | 88.00 | 91.00 | 98.00 | 111.00 | 105.00 | 100.00 | 98.00 | 93.00 | 84.00 | 73.00 | 111.00 | |||||||||||||
2018 | 71.00 | 74.00 | 85.00 | 91.00 | 98.00 | 104.00 | 105.00 | 104.00 | 97.00 | 86.00 | 76.00 | 67.00 | 105.00 | |||||||||||||
2019 | 67.00 | 70.00 | 82.00 | 92.00 | 92.00 | 104.00 | 105.00 | 104.00 | 99.00 | 88.00 | 79.00 | 69.00 | 105.00 | |||||||||||||
2020 | 66.00 | 72.00 | 76.00 | 96.00 | 102.00 | 105.00 | 108.00 | 106.00 | 103.00 | 95.00 | 86.00 | 69.00 | 108.00 | |||||||||||||
2021 | 70.00 | 74.00 | 83.00 | 89.00 | 97.00 | 109.00 | 106.00 | 101.00 | 96.00 | 87.00 | 82.00 | 74.00 | 109.00 | |||||||||||||
2022 | 67.00 | 73.00 | 88.00 | 92.00 | 100.00 | 106.00 | 103.00 | 95.00 | 94.00 | 86.00 | 76.00 | 71.00 | 106.00 | |||||||||||||
2023 | 70.00 | 73.00 | 78.00 | 94.00 | 93.00 | 106.00 | 108.00 | 107.00 | 106.00 | 93.00 | 85.00 | 74.00 | 108.00 | |||||||||||||
2024 | 69.00 | 75.00 | 76.00 | 90.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 71.32 | 75.89 | 83.08 | 90.03 | 98.16 | 105.97 | 104.76 | 101.42 | 98.67 | 91.37 | 80.33 | 72.22 | 106.88 | |||||||||||||
S.D. | 3.27 | 4.34 | 4.15 | 3.15 | 3.08 | 2.49 | 2.27 | 3.48 | 2.73 | 3.24 | 3.84 | 3.33 | 2.06 | |||||||||||||
SKEW | 1.08 | 0.10 | -0.55 | 0.06 | 0.22 | 0.20 | -0.07 | 0.01 | 0.37 | -0.12 | -0.10 | 0.39 | 0.47 | |||||||||||||
MAX | 82.00 | 86.00 | 90.00 | 97.00 | 105.00 | 111.00 | 109.00 | 109.00 | 106.00 | 97.00 | 89.00 | 81.00 | 111.00 | |||||||||||||
MIN | 66.00 | 68.00 | 74.00 | 84.00 | 92.00 | 101.00 | 99.00 | 95.00 | 94.00 | 85.00 | 72.00 | 65.00 | 104.00 | |||||||||||||
YRS | 38 | 38 | 38 | 37 | 37 | 38 | 38 | 38 | 39 | 38 | 39 | 37 | 33 |