YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 74.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.00 | ----- | z | ----- | z | ----- | z | |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 100.00 | ----- | 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 | 84.00 | ----- | z | ----- | z | ----- | z | |
1977 | ----- | z | ----- | z | ----- | z | 83.00 | c | ----- | 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 | 86.00 | 81.00 | 92.00 | ----- | z | ----- | z | ----- | z | 93.00 | 97.00 | 99.00 | 76.00 | 75.00 | ----- | z | ||||||||
1980 | 78.00 | 81.00 | 79.00 | 89.00 | a | 95.00 | 110.00 | ----- | z | 101.00 | c | 97.00 | 86.00 | ----- | z | ----- | z | ----- | z | |||||||
1981 | 75.00 | ----- | z | 83.00 | ----- | z | 99.00 | ----- | z | ----- | z | ----- | z | 94.00 | a | 89.00 | 85.00 | ----- | 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 | 82.00 | d | 83.00 | a | 93.00 | 108.00 | 97.00 | b | 100.00 | c | 99.00 | a | 103.00 | 102.00 | 75.00 | 68.00 | a | 108.00 | l | ||||||
2001 | 62.00 | a | 80.00 | 81.00 | d | 90.00 | 95.00 | c | 102.00 | 103.00 | 98.00 | a | 95.00 | 88.00 | 85.00 | 72.00 | a | 103.00 | j | |||||||
2002 | 78.00 | 82.00 | 89.00 | 92.00 | b | 96.00 | j | 95.00 | a | 99.00 | b | 100.00 | a | 94.00 | 87.00 | e | 77.00 | c | 73.00 | 100.00 | x | |||||
2003 | 80.00 | a | 81.00 | 85.00 | 93.00 | k | 99.00 | 95.00 | 100.00 | 103.00 | 95.00 | f | 92.00 | 84.00 | c | 80.00 | e | ----- | z | |||||||
2004 | 77.00 | 78.00 | 87.00 | 86.00 | 97.00 | 98.00 | a | 98.00 | c | 95.00 | 93.00 | 84.00 | c | 76.00 | 77.00 | 98.00 | g | |||||||||
2005 | 75.00 | a | 75.00 | 83.00 | 88.00 | 98.00 | 97.00 | 98.00 | 93.00 | g | 96.00 | 92.00 | 84.00 | b | 77.00 | 98.00 | j | |||||||||
2006 | 85.00 | 79.00 | a | 88.00 | 93.00 | h | 100.00 | 99.00 | 101.00 | 99.00 | 91.00 | c | 88.00 | a | 83.00 | l | 81.00 | c | ----- | z | ||||||
2007 | 74.00 | a | 79.00 | 82.00 | 84.00 | 87.00 | h | 94.00 | 91.00 | a | 95.00 | 93.00 | a | 92.00 | 82.00 | 78.00 | 95.00 | k | ||||||||
2008 | 75.00 | 80.00 | 87.00 | 89.00 | 93.00 | 102.00 | e | 94.00 | b | 97.00 | 90.00 | 88.00 | a | 83.00 | a | 78.00 | 102.00 | i | ||||||||
2009 | 76.00 | 81.00 | 89.00 | 94.00 | a | 97.00 | d | 97.00 | 102.00 | 96.00 | 96.00 | 93.00 | 85.00 | 69.00 | 102.00 | e | ||||||||||
2010 | 74.00 | 70.00 | 90.00 | c | 92.00 | 95.00 | 100.00 | 91.00 | 96.00 | 95.00 | 87.00 | 82.00 | 80.00 | 100.00 | c | |||||||||||
2011 | 74.00 | 86.00 | 91.00 | 95.00 | 100.00 | 108.00 | 100.00 | 103.00 | 99.00 | 91.00 | 81.00 | 63.00 | 108.00 | |||||||||||||
2012 | 75.00 | 77.00 | 89.00 | 100.00 | 100.00 | 102.00 | 99.00 | 103.00 | 100.00 | 91.00 | 87.00 | 82.00 | 103.00 | |||||||||||||
2013 | 78.00 | 74.00 | 88.00 | 90.00 | 99.00 | 103.00 | 98.00 | 98.00 | 96.00 | 94.00 | 77.00 | 76.00 | 103.00 | |||||||||||||
2014 | 75.00 | 87.00 | 86.00 | 90.00 | 99.00 | 99.00 | 99.00 | 99.00 | 99.00 | 91.00 | a | 80.00 | 78.00 | 99.00 | a | |||||||||||
2015 | 75.00 | 82.00 | 86.00 | 88.00 | 86.00 | 96.00 | 96.00 | 99.00 | 99.00 | 90.00 | 82.00 | 74.00 | 99.00 | |||||||||||||
2016 | 78.00 | 86.00 | 86.00 | 87.00 | 92.00 | 103.00 | 107.00 | 98.00 | 92.00 | 93.00 | 86.00 | 77.00 | 107.00 | |||||||||||||
2017 | 79.00 | 88.00 | 91.00 | 91.00 | 98.00 | 108.00 | 96.00 | 94.00 | 94.00 | 88.00 | 87.00 | 74.00 | 108.00 | |||||||||||||
2018 | 78.00 | 82.00 | 88.00 | 93.00 | 103.00 | 106.00 | 103.00 | 99.00 | 95.00 | 90.00 | 76.00 | 70.00 | 106.00 | |||||||||||||
2019 | 73.00 | 76.00 | 86.00 | 90.00 | 90.00 | 99.00 | 102.00 | 106.00 | 94.00 | 86.00 | 80.00 | 71.00 | 106.00 | |||||||||||||
2020 | 75.00 | 75.00 | 90.00 | 93.00 | 100.00 | 101.00 | 110.00 | 106.00 | 100.00 | 97.00 | 87.00 | 77.00 | 110.00 | |||||||||||||
2021 | 69.00 | 80.00 | 80.00 | 92.00 | 95.00 | 103.00 | 97.00 | 100.00 | 99.00 | 93.00 | 85.00 | 80.00 | 103.00 | |||||||||||||
2022 | 72.00 | 76.00 | 93.00 | 95.00 | 104.00 | 106.00 | 107.00 | 104.00 | 94.00 | 88.00 | 78.00 | 76.00 | 107.00 | |||||||||||||
2023 | 75.00 | 79.00 | 86.00 | 91.00 | 96.00 | 107.00 | 107.00 | 106.00 | 103.00 | 89.00 | 88.00 | 78.00 | 107.00 | |||||||||||||
2024 | 69.00 | 86.00 | 84.00 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 75.41 | 80.30 | 86.11 | 90.68 | 97.52 | 101.08 | 99.92 | 99.48 | 96.08 | 90.24 | 81.92 | 75.36 | 104.71 | |||||||||||||
S.D. | 4.35 | 4.42 | 3.62 | 3.65 | 4.52 | 4.55 | 4.79 | 3.75 | 3.38 | 4.22 | 4.10 | 4.54 | 3.56 | |||||||||||||
SKEW | -0.76 | -0.15 | -0.20 | 0.09 | -0.28 | 0.29 | 0.15 | 0.27 | 0.38 | 0.88 | -0.27 | -0.89 | -0.41 | |||||||||||||
MAX | 85.00 | 88.00 | 93.00 | 100.00 | 108.00 | 110.00 | 110.00 | 106.00 | 103.00 | 102.00 | 88.00 | 82.00 | 110.00 | |||||||||||||
MIN | 62.00 | 70.00 | 79.00 | 83.00 | 86.00 | 94.00 | 91.00 | 93.00 | 90.00 | 84.00 | 75.00 | 63.00 | 99.00 | |||||||||||||
YRS | 27 | 27 | 28 | 25 | 25 | 25 | 24 | 25 | 26 | 29 | 25 | 25 | 14 |