YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | 77.00 | 72.00 | 69.00 | 85.00 | 78.00 | 81.00 | 88.00 | 96.00 | 102.00 | 91.00 | 76.00 | 74.00 | 102.00 | |||||||||||||
1949 | 60.00 | 68.00 | 65.00 | 86.00 | 83.00 | 87.00 | 86.00 | 94.00 | 99.00 | 89.00 | 88.00 | 77.00 | 99.00 | |||||||||||||
1950 | 72.00 | 74.00 | 76.00 | 81.00 | 79.00 | 92.00 | 95.00 | a | 97.00 | 98.00 | 97.00 | 86.00 | 81.00 | 98.00 | a | |||||||||||
1951 | 80.00 | 78.00 | 80.00 | 80.00 | 88.00 | 81.00 | 90.00 | 90.00 | 92.00 | 87.00 | 78.00 | 67.00 | 92.00 | |||||||||||||
1952 | 69.00 | 72.00 | 75.00 | 83.00 | 87.00 | 84.00 | 92.00 | 91.00 | 93.00 | 89.00 | 84.00 | 77.00 | 93.00 | |||||||||||||
1953 | 78.00 | 79.00 | 77.00 | 71.00 | 85.00 | 79.00 | p | ----- | 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 | 69.00 | 87.00 | 74.00 | 75.00 | 80.00 | 79.00 | 90.00 | 97.00 | 101.00 | 81.00 | 79.00 | 78.00 | 101.00 | |||||||||||||
1964 | 79.00 | 74.00 | 78.00 | 88.00 | 79.00 | 88.00 | 95.00 | 98.00 | 95.00 | 97.00 | 82.00 | 68.00 | 98.00 | |||||||||||||
1965 | 76.00 | 76.00 | 71.00 | 89.00 | 87.00 | 83.00 | 92.00 | 96.00 | 86.00 | 98.00 | 79.00 | 80.00 | 98.00 | |||||||||||||
1966 | 75.00 | 70.00 | 90.00 | 90.00 | 86.00 | 93.00 | 90.00 | 94.00 | 90.00 | 91.00 | 89.00 | 72.00 | 94.00 | |||||||||||||
1967 | 79.00 | 78.00 | 77.00 | 60.00 | 96.00 | 85.00 | 90.00 | 103.00 | 92.00 | 97.00 | 86.00 | 74.00 | 103.00 | |||||||||||||
1968 | 74.00 | 79.00 | 80.00 | h | ----- | 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 | 71.00 | y | ----- | 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 | 83.00 | f | 91.00 | 92.00 | 95.00 | 81.00 | 75.00 | 75.00 | ----- | z | ||||||
2001 | 74.00 | 81.00 | 80.00 | 83.00 | 91.00 | 85.00 | a | 87.00 | a | 92.00 | 93.00 | 86.00 | 80.00 | 72.00 | 93.00 | b | ||||||||||
2002 | 77.00 | 81.00 | 76.00 | 78.00 | b | 86.00 | 91.00 | 92.00 | 95.00 | 97.00 | 90.00 | 83.00 | a | 69.00 | a | 97.00 | d | |||||||||
2003 | 85.00 | a | 76.00 | a | 80.00 | a | 78.00 | 89.00 | 94.00 | 92.00 | a | 95.00 | 97.00 | 94.00 | 77.00 | 71.00 | 97.00 | d | ||||||||
2004 | 73.00 | a | 70.00 | 82.00 | 92.00 | 95.00 | 79.00 | 88.00 | 91.00 | 93.00 | 87.00 | 69.00 | 76.00 | 95.00 | a | |||||||||||
2005 | 75.00 | 65.00 | 75.00 | 76.00 | 85.00 | 79.00 | 93.00 | 92.00 | 93.00 | 88.00 | 80.00 | 77.00 | 93.00 | |||||||||||||
2006 | 78.00 | 79.00 | 71.00 | 75.00 | 78.00 | 92.00 | 100.00 | 90.00 | e | 94.00 | 85.00 | 87.00 | 79.00 | 100.00 | e | |||||||||||
2007 | 77.00 | 79.00 | 88.00 | 84.00 | 88.00 | f | 84.00 | 87.00 | 93.00 | 99.00 | 88.00 | 83.00 | 76.00 | 99.00 | f | |||||||||||
2008 | 71.00 | 75.00 | 80.00 | 89.00 | 96.00 | 101.00 | 87.00 | 89.00 | 90.00 | 96.00 | 86.00 | 80.00 | 101.00 | |||||||||||||
2009 | 79.00 | 75.00 | 77.00 | 91.00 | 82.00 | 87.00 | 94.00 | 98.00 | 98.00 | 90.00 | 84.00 | 73.00 | c | 98.00 | c | |||||||||||
2010 | 72.00 | 73.00 | 76.00 | 73.00 | 80.00 | 79.00 | 96.00 | 92.00 | a | 104.00 | 90.00 | d | 88.00 | 79.00 | a | 104.00 | f | |||||||||
2011 | 78.00 | 73.00 | 84.00 | 84.00 | 85.00 | 81.00 | 90.00 | 97.00 | 92.00 | 95.00 | 79.00 | 75.00 | 97.00 | |||||||||||||
2012 | 81.00 | 73.00 | a | 79.00 | a | 87.00 | 85.00 | b | 79.00 | 92.00 | 97.00 | 98.00 | 96.00 | 86.00 | 67.00 | 98.00 | d | |||||||||
2013 | 73.00 | 73.00 | 84.00 | 81.00 | d | 92.00 | 97.00 | 88.00 | 93.00 | 92.00 | 83.00 | 86.00 | 80.00 | 97.00 | d | |||||||||||
2014 | 80.00 | 80.00 | 82.00 | 84.00 | 93.00 | 82.00 | 89.00 | 87.00 | 98.00 | 95.00 | 84.00 | e | 75.00 | 98.00 | e | |||||||||||
2015 | 76.00 | 79.00 | 86.00 | 86.00 | 85.00 | 92.00 | 85.00 | 97.00 | 94.00 | 95.00 | 80.00 | 78.00 | 97.00 | |||||||||||||
2016 | 68.00 | 81.00 | 79.00 | 84.00 | a | 75.00 | 102.00 | a | 95.00 | 93.00 | 97.00 | a | 90.00 | 88.00 | c | 75.00 | 102.00 | f | ||||||||
2017 | 72.00 | 74.00 | 84.00 | 85.00 | k | 86.00 | 95.00 | 97.00 | 102.00 | 101.00 | 97.00 | 91.00 | 80.00 | 102.00 | k | |||||||||||
2018 | 81.00 | 81.00 | 76.00 | 88.00 | a | 86.00 | 83.00 | 106.00 | 93.00 | a | 93.00 | 85.00 | 85.00 | 74.00 | 106.00 | b | ||||||||||
2019 | 73.00 | 60.00 | 77.00 | a | 81.00 | 70.00 | 95.00 | 92.00 | b | 90.00 | 93.00 | 92.00 | 86.00 | c | 70.00 | a | 95.00 | g | ||||||||
2020 | 72.00 | 79.00 | 71.00 | 88.00 | 86.00 | 88.00 | 95.00 | 97.00 | 110.00 | 99.00 | 90.00 | 79.00 | c | 110.00 | c | |||||||||||
2021 | 85.00 | 75.00 | 80.00 | 88.00 | 82.00 | b | 92.00 | 86.00 | k | 91.00 | b | 94.00 | 92.00 | i | 87.00 | 72.00 | a | 94.00 | y | |||||||
2022 | 73.00 | 80.00 | 82.00 | 90.00 | c | 85.00 | 93.00 | m | 92.00 | 95.00 | 105.00 | 87.00 | 72.00 | 81.00 | 105.00 | p | ||||||||||
2023 | 66.00 | 73.00 | 69.00 | 81.00 | 72.00 | 81.00 | 91.00 | 95.00 | 90.00 | 92.00 | 81.00 | 77.00 | 95.00 | |||||||||||||
2024 | 75.00 | 70.00 | 72.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 75.06 | 75.33 | 77.77 | 82.70 | 84.61 | 87.22 | 91.73 | 94.18 | 95.82 | 90.85 | 82.76 | 75.24 | 98.00 | |||||||||||||
S.D. | 5.09 | 5.18 | 5.56 | 6.80 | 6.27 | 6.71 | 4.25 | 3.53 | 4.93 | 5.01 | 5.18 | 4.05 | 4.26 | |||||||||||||
SKEW | -0.49 | -0.59 | -0.04 | -1.24 | -0.21 | 0.50 | 1.17 | 0.39 | 0.74 | -0.20 | -0.70 | -0.48 | 1.01 | |||||||||||||
MAX | 85.00 | 87.00 | 90.00 | 92.00 | 96.00 | 102.00 | 106.00 | 103.00 | 110.00 | 99.00 | 91.00 | 81.00 | 110.00 | |||||||||||||
MIN | 60.00 | 60.00 | 65.00 | 60.00 | 70.00 | 79.00 | 85.00 | 87.00 | 86.00 | 81.00 | 69.00 | 67.00 | 92.00 | |||||||||||||
YRS | 36 | 36 | 35 | 33 | 33 | 32 | 33 | 34 | 34 | 33 | 34 | 34 | 24 |