YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 91.00 | 97.00 | 94.00 | 99.00 | 95.00 | 88.00 | 72.00 | 64.00 | ----- | z | ||||||||
1960 | 57.00 | 64.00 | 78.00 | 86.00 | a | 91.00 | 99.00 | 96.00 | 91.00 | 90.00 | 82.00 | a | 75.00 | 57.00 | 99.00 | b | ||||||||||
1961 | 61.00 | 71.00 | 75.00 | 85.00 | 92.00 | 94.00 | 91.00 | 94.00 | 87.00 | 82.00 | 71.00 | 67.00 | 94.00 | |||||||||||||
1962 | 67.00 | 78.00 | 79.00 | 88.00 | 94.00 | 96.00 | 96.00 | 99.00 | 92.00 | 88.00 | 75.00 | 69.00 | 99.00 | |||||||||||||
1963 | 67.00 | 75.00 | 84.00 | 83.00 | 90.00 | 94.00 | 104.00 | 94.00 | 91.00 | 89.00 | 75.00 | 69.00 | 104.00 | |||||||||||||
1964 | 67.00 | 59.00 | 77.00 | 84.00 | 94.00 | 97.00 | 102.00 | 99.00 | 95.00 | 86.00 | 76.00 | 70.00 | 102.00 | |||||||||||||
1965 | 66.00 | 70.00 | 73.00 | 93.00 | 88.00 | 92.00 | 97.00 | 93.00 | 90.00 | 90.00 | 75.00 | 70.00 | 97.00 | |||||||||||||
1966 | 61.00 | 66.00 | 81.00 | 81.00 | 93.00 | 96.00 | 99.00 | 96.00 | 89.00 | 82.00 | 78.00 | 70.00 | 99.00 | |||||||||||||
1967 | 72.00 | 71.00 | 82.00 | 85.00 | 92.00 | 94.00 | 95.00 | 95.00 | 90.00 | 88.00 | 78.00 | 61.00 | 95.00 | |||||||||||||
1968 | 67.00 | 68.00 | 78.00 | 78.00 | 93.00 | 103.00 | 97.00 | 95.00 | 89.00 | 87.00 | 71.00 | 70.00 | 103.00 | |||||||||||||
1969 | 70.00 | a | 67.00 | 74.00 | 85.00 | 90.00 | 100.00 | 100.00 | 100.00 | 89.00 | 85.00 | 71.00 | 65.00 | 100.00 | a | |||||||||||
1970 | 73.00 | 77.00 | 75.00 | 79.00 | 90.00 | 98.00 | 98.00 | 98.00 | 95.00 | 80.00 | 75.00 | 73.00 | 98.00 | |||||||||||||
1971 | 75.00 | 78.00 | 85.00 | 85.00 | 89.00 | 94.00 | 98.00 | 90.00 | 92.00 | 82.00 | 75.00 | 70.00 | 98.00 | |||||||||||||
1972 | 74.00 | 78.00 | 81.00 | 89.00 | 92.00 | a | 100.00 | 96.00 | 92.00 | 87.00 | 84.00 | 67.00 | 68.00 | 100.00 | a | |||||||||||
1973 | 61.00 | 66.00 | 70.00 | 78.00 | 88.00 | 99.00 | 99.00 | 97.00 | 90.00 | a | 88.00 | 81.00 | 72.00 | 99.00 | a | |||||||||||
1974 | 77.00 | 74.00 | 82.00 | 85.00 | 96.00 | 100.00 | 100.00 | a | 98.00 | 97.00 | 83.00 | 69.00 | 63.00 | 100.00 | a | |||||||||||
1975 | 74.00 | 71.00 | 75.00 | 82.00 | 87.00 | a | 99.00 | 94.00 | 95.00 | 89.00 | 84.00 | 79.00 | 73.00 | 99.00 | a | |||||||||||
1976 | 68.00 | 75.00 | 80.00 | 83.00 | 90.00 | 99.00 | 93.00 | 96.00 | 91.00 | 82.00 | 74.00 | 68.00 | 99.00 | |||||||||||||
1977 | 57.00 | 73.00 | 75.00 | 83.00 | 93.00 | 102.00 | 98.00 | 102.00 | 92.00 | 83.00 | 78.00 | 73.00 | 102.00 | |||||||||||||
1978 | 60.00 | 66.00 | 82.00 | 86.00 | 93.00 | 103.00 | 102.00 | 98.00 | 93.00 | 86.00 | 74.00 | 64.00 | 103.00 | |||||||||||||
1979 | 58.00 | 76.00 | 75.00 | 83.00 | 88.00 | 96.00 | 99.00 | a | 93.00 | 93.00 | 92.00 | 66.00 | 67.00 | 99.00 | a | |||||||||||
1980 | 70.00 | 74.00 | 74.00 | 83.00 | 88.00 | 103.00 | 100.00 | 100.00 | 90.00 | 84.00 | 84.00 | 77.00 | 103.00 | |||||||||||||
1981 | 69.00 | 77.00 | 77.00 | 89.00 | a | 89.00 | 106.00 | 99.00 | 94.00 | 90.00 | 80.00 | 81.00 | 71.00 | 106.00 | a | |||||||||||
1982 | 75.00 | 77.00 | a | 80.00 | 85.00 | 89.00 | 95.00 | 98.00 | 98.00 | 96.00 | 82.00 | 71.00 | a | 64.00 | a | 98.00 | c | |||||||||
1983 | 65.00 | 66.00 | a | 78.00 | 82.00 | 88.00 | 100.00 | 100.00 | 98.00 | 100.00 | 85.00 | 74.00 | 65.00 | 100.00 | a | |||||||||||
1984 | 64.00 | 70.00 | 79.00 | c | ----- | z | ----- | z | ----- | z | ----- | z | 94.00 | 96.00 | 81.00 | 75.00 | 68.00 | ----- | z | |||||||
1985 | 67.00 | 70.00 | 76.00 | 83.00 | a | 89.00 | a | 98.00 | d | 99.00 | j | 96.00 | a | 91.00 | b | 84.00 | 74.00 | 66.00 | b | 99.00 | u | |||||
1986 | 75.00 | 74.00 | 83.00 | a | 88.00 | 93.00 | a | 94.00 | 100.00 | a | 98.00 | b | 87.00 | 82.00 | a | 71.00 | 59.00 | c | 100.00 | i | ||||||
1987 | 64.00 | a | 71.00 | 74.00 | 87.00 | 85.00 | 94.00 | b | 97.00 | 97.00 | a | 86.00 | 88.00 | a | 74.00 | 74.00 | 97.00 | e | ||||||||
1988 | 67.00 | 71.00 | 81.00 | 83.00 | a | 94.00 | a | 94.00 | d | 94.00 | a | 93.00 | a | 87.00 | a | 87.00 | a | 78.00 | 61.00 | 94.00 | j | |||||
1989 | 69.00 | 80.00 | 88.00 | a | 94.00 | b | 97.00 | 99.00 | 101.00 | 98.00 | a | 90.00 | 89.00 | 77.00 | a | 70.00 | 101.00 | e | ||||||||
1990 | 69.00 | 73.00 | a | 80.00 | g | 85.00 | 95.00 | b | 106.00 | a | 98.00 | 95.00 | b | 94.00 | 83.00 | 78.00 | 72.00 | b | 106.00 | o | ||||||
1991 | 62.00 | 71.00 | b | 78.00 | 85.00 | a | 92.00 | a | 100.00 | a | 97.00 | b | 88.00 | e | 87.00 | 86.00 | 74.00 | 64.00 | 100.00 | l | ||||||
1992 | 65.00 | 70.00 | 76.00 | a | 89.00 | c | 91.00 | 98.00 | b | 103.00 | d | 95.00 | b | 94.00 | 88.00 | a | 73.00 | 65.00 | a | 103.00 | n | |||||
1993 | 64.00 | 67.00 | b | 79.00 | a | 88.00 | b | 88.00 | b | 98.00 | a | 101.00 | c | 94.00 | c | 88.00 | e | 85.00 | a | 72.00 | a | 72.00 | a | 101.00 | v | |
1994 | 71.00 | 70.00 | 79.00 | b | 86.00 | c | 94.00 | i | 105.00 | a | 103.00 | a | 101.00 | 94.00 | d | 85.00 | 81.00 | a | 67.00 | 105.00 | u | |||||
1995 | 66.00 | b | 76.00 | 85.00 | c | 86.00 | a | 93.00 | c | 99.00 | a | 105.00 | a | 99.00 | b | 100.00 | d | 83.00 | b | ----- | z | 73.00 | ----- | z | ||
1996 | 69.00 | 77.00 | a | 78.00 | a | 92.00 | b | 98.00 | 101.00 | c | 95.00 | a | 96.00 | b | 85.00 | a | 86.00 | b | 80.00 | a | 72.00 | a | 101.00 | o | ||
1997 | 73.00 | a | 69.00 | b | 81.00 | a | 80.00 | a | 87.00 | c | 97.00 | b | 100.00 | e | 92.00 | c | 93.00 | a | 87.00 | b | 76.00 | 66.00 | 100.00 | u | ||
1998 | 67.00 | a | 75.00 | 82.00 | a | 84.00 | d | 94.00 | b | 105.00 | b | 100.00 | b | 95.00 | a | 93.00 | a | ----- | z | 76.00 | 72.00 | a | ----- | z | ||
1999 | 72.00 | 74.00 | a | 77.00 | 83.00 | a | 86.00 | c | 101.00 | d | 98.00 | b | 93.00 | e | 92.00 | d | 86.00 | d | 80.00 | 69.00 | a | 101.00 | y | |||
2000 | 74.00 | 74.00 | a | 75.00 | b | 88.00 | c | 101.00 | b | 99.00 | k | 97.00 | b | 97.00 | 97.00 | d | 92.00 | 61.00 | a | 67.00 | b | ----- | z | |||
2001 | 56.00 | a | 70.00 | 80.00 | d | 86.00 | c | 90.00 | a | 98.00 | a | 98.00 | a | 94.00 | b | 95.00 | c | 85.00 | c | 76.00 | a | 66.00 | b | 98.00 | v | |
2002 | 71.00 | d | 78.00 | a | 82.00 | 88.00 | b | 95.00 | d | 99.00 | e | 97.00 | f | 98.00 | e | 91.00 | 80.00 | a | 71.00 | a | 64.00 | ----- | z | |||
2003 | 72.00 | a | 73.00 | a | 75.00 | b | 86.00 | 94.00 | d | 93.00 | 102.00 | e | 101.00 | 89.00 | a | 84.00 | e | 76.00 | c | 70.00 | b | 102.00 | x | |||
2004 | 65.00 | b | 71.00 | 81.00 | 78.00 | b | 92.00 | c | 99.00 | a | 96.00 | a | 92.00 | b | 92.00 | a | 77.00 | 74.00 | 71.00 | a | 99.00 | m | ||||
2005 | 68.00 | f | 66.00 | c | 77.00 | a | 78.00 | b | 95.00 | 98.00 | 99.00 | d | 93.00 | 91.00 | a | 82.00 | 78.00 | c | 71.00 | c | 99.00 | w | ||||
2006 | 72.00 | a | 79.00 | a | 76.00 | 89.00 | b | 96.00 | c | 100.00 | a | 97.00 | c | 95.00 | b | 85.00 | a | 87.00 | 82.00 | a | 67.00 | d | 100.00 | s | ||
2007 | 59.00 | b | 70.00 | b | 82.00 | e | 79.00 | d | 88.00 | c | 94.00 | a | 95.00 | h | 101.00 | d | 93.00 | g | 88.00 | 79.00 | a | 75.00 | b | ----- | z | |
2008 | 63.00 | k | 71.00 | 78.00 | b | 85.00 | a | 94.00 | 100.00 | 94.00 | 93.00 | a | 87.00 | 83.00 | a | 77.00 | k | 73.00 | c | ----- | z | |||||
2009 | 74.00 | 76.00 | 82.00 | 86.00 | b | 94.00 | k | 95.00 | 98.00 | 97.00 | 90.00 | a | 84.00 | c | 78.00 | f | 62.00 | 98.00 | w | |||||||
2010 | 64.00 | 63.00 | 82.00 | 81.00 | 88.00 | 100.00 | a | 97.00 | 97.00 | 95.00 | e | 83.00 | a | 86.00 | a | 75.00 | 100.00 | h | ||||||||
2011 | 71.00 | 76.00 | 82.00 | 89.00 | 97.00 | a | 104.00 | c | 100.00 | a | 100.00 | 100.00 | b | 86.00 | c | 75.00 | 62.00 | c | 104.00 | m | ||||||
2012 | 71.00 | 71.00 | b | 89.00 | 93.00 | b | 94.00 | 102.00 | a | 97.00 | c | 102.00 | 95.00 | a | 89.00 | 77.00 | b | 71.00 | f | 102.00 | q | |||||
2013 | 72.00 | 68.00 | 80.00 | 92.00 | b | 94.00 | g | 102.00 | b | 96.00 | 97.00 | 96.00 | 85.00 | a | 68.00 | 69.00 | 102.00 | l | ||||||||
2014 | 66.00 | 77.00 | 78.00 | 85.00 | a | 92.00 | a | 103.00 | a | 99.00 | e | 93.00 | 96.00 | 85.00 | 76.00 | 69.00 | 103.00 | h | ||||||||
2015 | 67.00 | 75.00 | 80.00 | b | 81.00 | a | 82.00 | e | 93.00 | a | 97.00 | 97.00 | b | 94.00 | a | 86.00 | 79.00 | d | 71.00 | 97.00 | p | |||||
2016 | 68.00 | 80.00 | 79.00 | 82.00 | 89.00 | 100.00 | 104.00 | c | 96.00 | 92.00 | 91.00 | f | 80.00 | d | 67.00 | a | 104.00 | n | ||||||||
2017 | 71.00 | 82.00 | c | 86.00 | 86.00 | 90.00 | h | 103.00 | c | 98.00 | 92.00 | a | 91.00 | c | 81.00 | 79.00 | 73.00 | 103.00 | r | |||||||
2018 | 74.00 | 72.00 | 85.00 | 88.00 | 96.00 | 102.00 | c | 100.00 | c | 94.00 | a | 92.00 | 86.00 | a | 69.00 | b | 66.00 | a | 102.00 | k | ||||||
2019 | 65.00 | a | 71.00 | 83.00 | b | 88.00 | a | 89.00 | b | 98.00 | b | 102.00 | 101.00 | 94.00 | c | 80.00 | 76.00 | 65.00 | 102.00 | k | ||||||
2020 | 65.00 | 68.00 | 81.00 | 89.00 | 97.00 | 101.00 | 106.00 | b | 102.00 | 96.00 | 91.00 | 80.00 | 68.00 | a | 106.00 | c | ||||||||||
2021 | 64.00 | 73.00 | a | 78.00 | 87.00 | a | 92.00 | a | 103.00 | 92.00 | d | 98.00 | a | 95.00 | a | 89.00 | 80.00 | 73.00 | 103.00 | i | ||||||
2022 | 65.00 | 69.00 | 86.00 | 87.00 | b | 97.00 | b | 107.00 | 104.00 | 97.00 | 90.00 | 83.00 | b | 73.00 | d | 66.00 | 107.00 | j | ||||||||
2023 | 66.00 | a | 71.00 | 73.00 | c | 85.00 | 88.00 | 100.00 | 104.00 | 103.00 | 100.00 | 85.00 | b | 82.00 | 69.00 | 104.00 | f | |||||||||
2024 | 64.00 | 79.00 | a | 76.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 67.48 | 72.28 | 79.25 | 85.22 | 91.60 | 99.03 | 98.59 | 96.28 | 92.06 | 84.97 | 75.50 | 68.27 | 100.08 | |||||||||||||
S.D. | 5.03 | 4.61 | 3.88 | 3.78 | 3.62 | 3.62 | 3.24 | 3.23 | 3.69 | 3.14 | 4.51 | 4.13 | 2.97 | |||||||||||||
SKEW | -0.31 | -0.26 | 0.21 | 0.06 | 0.04 | 0.06 | 0.09 | -0.02 | 0.24 | 0.08 | -0.47 | -0.37 | 0.23 | |||||||||||||
MAX | 77.00 | 82.00 | 89.00 | 94.00 | 101.00 | 107.00 | 106.00 | 103.00 | 100.00 | 92.00 | 86.00 | 77.00 | 106.00 | |||||||||||||
MIN | 56.00 | 59.00 | 70.00 | 78.00 | 82.00 | 92.00 | 91.00 | 88.00 | 85.00 | 77.00 | 61.00 | 57.00 | 94.00 | |||||||||||||
YRS | 63 | 65 | 64 | 63 | 60 | 63 | 61 | 65 | 64 | 63 | 62 | 64 | 25 |