YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | 89.00 | c | 83.00 | d | 79.00 | f | ----- | z |
1981 | 74.00 | f | 79.00 | e | 76.00 | c | 83.00 | j | 91.00 | p | ----- | 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 | 88.00 | a | 82.00 | a | 73.00 | ----- | z | |
1990 | 68.00 | 69.00 | 73.00 | a | 82.00 | 91.00 | a | 103.00 | 98.00 | 94.00 | 94.00 | 85.00 | 81.00 | a | 72.00 | a | 103.00 | d | ||||||||
1991 | 64.00 | 71.00 | 74.00 | 80.00 | 87.00 | a | 96.00 | a | 96.00 | a | 94.00 | 89.00 | 90.00 | 74.00 | 71.00 | 96.00 | c | |||||||||
1992 | 62.00 | 70.00 | 73.00 | a | 86.00 | a | 91.00 | d | 90.00 | a | 100.00 | d | 95.00 | i | 94.00 | 90.00 | 71.00 | b | 63.00 | 100.00 | v | |||||
1993 | 68.00 | 68.00 | 76.00 | 83.00 | 87.00 | 99.00 | 102.00 | 96.00 | 92.00 | 92.00 | 73.00 | a | 74.00 | 102.00 | a | |||||||||||
1994 | 70.00 | 71.00 | 82.00 | 86.00 | a | 88.00 | a | 103.00 | 105.00 | 99.00 | 93.00 | 91.00 | 84.00 | 72.00 | 105.00 | b | ||||||||||
1995 | 73.00 | 75.00 | 83.00 | 81.00 | 86.00 | a | 94.00 | 101.00 | a | 103.00 | 102.00 | 91.00 | 81.00 | 79.00 | 103.00 | b | ||||||||||
1996 | 71.00 | 79.00 | 77.00 | 87.00 | a | 96.00 | a | 94.00 | 99.00 | a | 100.00 | 89.00 | 89.00 | 78.00 | 76.00 | 100.00 | c | |||||||||
1997 | 78.00 | 74.00 | a | 82.00 | 80.00 | 90.00 | b | 99.00 | c | 101.00 | 94.00 | 94.00 | 88.00 | 72.00 | 55.00 | a | 101.00 | g | ||||||||
1998 | 62.00 | 67.00 | 81.00 | 82.00 | a | 92.00 | f | 100.00 | 99.00 | b | 98.00 | a | 95.00 | 87.00 | f | 81.00 | b | 73.00 | a | 100.00 | s | |||||
1999 | 73.00 | 72.00 | 76.00 | a | 78.00 | 89.00 | a | 96.00 | a | 100.00 | 96.00 | 94.00 | 87.00 | 81.00 | 74.00 | 100.00 | c | |||||||||
2000 | 68.00 | 75.00 | 74.00 | 82.00 | 100.00 | a | 99.00 | 99.00 | 99.00 | 99.00 | 95.00 | 68.00 | d | 70.00 | h | 100.00 | m | |||||||||
2001 | 70.00 | 69.00 | 77.00 | 85.00 | b | 93.00 | c | 100.00 | 103.00 | 101.00 | 97.00 | 90.00 | 84.00 | a | 74.00 | 103.00 | f | |||||||||
2002 | 76.00 | 76.00 | 82.00 | 88.00 | ----- | z | 102.00 | 100.00 | 103.00 | a | 96.00 | a | 88.00 | 79.00 | e | 65.00 | ----- | z | ||||||||
2003 | 73.00 | a | 75.00 | 81.00 | 86.00 | 99.00 | 92.00 | 104.00 | 101.00 | 93.00 | 92.00 | 78.00 | 73.00 | 104.00 | a | |||||||||||
2004 | 69.00 | 72.00 | 84.00 | 82.00 | 94.00 | 100.00 | 100.00 | 95.00 | 97.00 | 84.00 | 76.00 | 77.00 | 100.00 | |||||||||||||
2005 | 73.00 | 71.00 | 78.00 | 80.00 | 93.00 | 98.00 | 102.00 | 99.00 | 94.00 | 92.00 | 82.00 | 76.00 | 102.00 | |||||||||||||
2006 | 80.00 | 75.00 | 77.00 | 89.00 | 97.00 | 104.00 | 99.00 | a | 100.00 | ----- | z | 88.00 | 86.00 | 69.00 | ----- | z | ||||||||||
2007 | 60.00 | 64.00 | 83.00 | 83.00 | 87.00 | 94.00 | 98.00 | 101.00 | 97.00 | 89.00 | 82.00 | 76.00 | 101.00 | |||||||||||||
2008 | 71.00 | 74.00 | 81.00 | 87.00 | 90.00 | 101.00 | 103.00 | 104.00 | 90.00 | 85.00 | 82.00 | 73.00 | 104.00 | |||||||||||||
2009 | 79.00 | 74.00 | 81.00 | 83.00 | 92.00 | 96.00 | 100.00 | 97.00 | 95.00 | 90.00 | 83.00 | 66.00 | 100.00 | |||||||||||||
2010 | 69.00 | 56.00 | 81.00 | 81.00 | 89.00 | 100.00 | 100.00 | 96.00 | 99.00 | 86.00 | 81.00 | 75.00 | 100.00 | |||||||||||||
2011 | 71.00 | 77.00 | 83.00 | 88.00 | 93.00 | 100.00 | 100.00 | 100.00 | 99.00 | 91.00 | 76.00 | 74.00 | 100.00 | |||||||||||||
2012 | 72.00 | 71.00 | 85.00 | 90.00 | 94.00 | 104.00 | 103.00 | 103.00 | 98.00 | 89.00 | 80.00 | 76.00 | 104.00 | |||||||||||||
2013 | 78.00 | 67.00 | 82.00 | 87.00 | 94.00 | 105.00 | a | 103.00 | 99.00 | e | 97.00 | 87.00 | 79.00 | 72.00 | 105.00 | f | ||||||||||
2014 | 70.00 | 76.00 | 78.00 | 86.00 | 92.00 | 101.00 | 103.00 | 95.00 | 98.00 | 86.00 | 81.00 | 68.00 | 103.00 | |||||||||||||
2015 | 74.00 | 79.00 | 84.00 | 81.00 | 84.00 | 97.00 | 99.00 | 103.00 | 97.00 | 92.00 | 80.00 | 72.00 | 103.00 | |||||||||||||
2016 | 69.00 | 84.00 | 80.00 | 83.00 | 84.00 | 98.00 | 103.00 | 96.00 | 96.00 | 95.00 | 86.00 | 71.00 | 103.00 | |||||||||||||
2017 | 66.00 | 82.00 | 87.00 | 84.00 | 88.00 | 101.00 | 100.00 | 92.00 | 94.00 | 86.00 | 86.00 | 75.00 | 101.00 | |||||||||||||
2018 | 76.00 | 73.00 | 82.00 | 86.00 | 93.00 | 104.00 | 104.00 | 98.00 | 97.00 | 93.00 | 70.00 | 70.00 | 104.00 | |||||||||||||
2019 | 69.00 | 72.00 | 81.00 | 86.00 | 91.00 | 97.00 | 102.00 | 106.00 | 101.00 | 89.00 | 79.00 | 73.00 | 106.00 | |||||||||||||
2020 | 66.00 | 80.00 | 79.00 | 82.00 | 96.00 | 99.00 | 102.00 | 101.00 | 100.00 | 93.00 | a | 82.00 | 66.00 | 102.00 | a | |||||||||||
2021 | 65.00 | 74.00 | a | 85.00 | 87.00 | 90.00 | 105.00 | 101.00 | 100.00 | 102.00 | 87.00 | 83.00 | 78.00 | 105.00 | a | |||||||||||
2022 | 67.00 | b | 72.00 | 82.00 | 86.00 | 96.00 | 103.00 | 105.00 | 101.00 | 99.00 | 89.00 | 77.00 | 75.00 | 105.00 | b | |||||||||||
2023 | 70.00 | 72.00 | 77.00 | 90.00 | 91.00 | 99.00 | 103.00 | 104.00 | 99.00 | 89.00 | 86.00 | 78.00 | 104.00 | |||||||||||||
2024 | 63.00 | 74.00 | 74.00 | 84.00 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 70.09 | 73.03 | 79.75 | 84.32 | 91.41 | 99.21 | 101.09 | 99.03 | 96.06 | 89.29 | 79.64 | 72.18 | 102.31 | |||||||||||||
S.D. | 4.95 | 5.19 | 3.72 | 3.14 | 4.00 | 3.74 | 2.15 | 3.47 | 3.38 | 2.73 | 4.63 | 4.86 | 2.26 | |||||||||||||
SKEW | 0.06 | -0.68 | -0.24 | -0.00 | 0.14 | -0.46 | -0.08 | -0.08 | -0.29 | 0.17 | -0.81 | -1.52 | -0.69 | |||||||||||||
MAX | 80.00 | 84.00 | 87.00 | 90.00 | 100.00 | 105.00 | 105.00 | 106.00 | 102.00 | 95.00 | 86.00 | 79.00 | 106.00 | |||||||||||||
MIN | 60.00 | 56.00 | 73.00 | 78.00 | 84.00 | 90.00 | 96.00 | 92.00 | 89.00 | 84.00 | 68.00 | 55.00 | 96.00 | |||||||||||||
YRS | 35 | 36 | 36 | 34 | 32 | 34 | 34 | 33 | 33 | 35 | 36 | 34 | 26 |