YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | j | 104.00 | 100.00 | 96.00 | b | 91.00 | a | 89.00 | a | 74.00 | a | 66.00 | ----- | z | |||
1961 | 60.00 | b | 69.00 | a | 73.00 | a | 83.00 | b | 88.00 | a | 98.00 | 96.00 | 95.00 | a | 86.00 | b | 80.00 | c | 70.00 | a | 66.00 | a | 98.00 | o | ||
1962 | 60.00 | 74.00 | q | 75.00 | 88.00 | a | 88.00 | c | 94.00 | f | 93.00 | 95.00 | c | 90.00 | c | 83.00 | 74.00 | 66.00 | b | ----- | z | |||||
1963 | 65.00 | a | 75.00 | 77.00 | a | 83.00 | a | 88.00 | a | 98.00 | a | 98.00 | a | 89.00 | a | 86.00 | c | 83.00 | a | 72.00 | 69.00 | a | 98.00 | l | ||
1964 | 63.00 | 65.00 | a | 74.00 | 78.00 | 96.00 | 94.00 | 102.00 | a | 93.00 | 90.00 | n | 80.00 | b | 72.00 | 68.00 | 102.00 | r | ||||||||
1965 | 68.00 | a | 68.00 | 69.00 | a | 84.00 | a | 86.00 | b | 92.00 | b | 91.00 | k | 92.00 | b | 79.00 | f | 87.00 | 72.00 | 68.00 | ----- | z | ||||
1966 | 61.00 | 61.00 | b | 76.00 | 78.00 | 88.00 | 95.00 | h | 100.00 | 98.00 | 86.00 | 79.00 | 74.00 | a | 68.00 | a | 100.00 | l | ||||||||
1967 | 68.00 | b | 67.00 | 77.00 | a | 79.00 | a | 86.00 | a | ----- | z | 95.00 | 91.00 | 85.00 | b | 82.00 | 75.00 | 60.00 | a | ----- | z | |||||
1968 | 60.00 | a | 70.00 | 75.00 | 74.00 | 90.00 | 98.00 | 94.00 | b | 84.00 | a | 89.00 | h | 83.00 | 72.00 | a | 65.00 | 98.00 | m | |||||||
1969 | 74.00 | 67.00 | 78.00 | 82.00 | 90.00 | 98.00 | 96.00 | 96.00 | 86.00 | 84.00 | 69.00 | a | 68.00 | a | 98.00 | b | ||||||||||
1970 | 70.00 | 68.00 | 69.00 | 73.00 | 91.00 | 98.00 | 95.00 | 95.00 | a | 88.00 | a | 76.00 | 71.00 | 71.00 | 98.00 | b | ||||||||||
1971 | 73.00 | i | 70.00 | 79.00 | 82.00 | a | 83.00 | 95.00 | a | 102.00 | 89.00 | 92.00 | 79.00 | 72.00 | 67.00 | 102.00 | k | |||||||||
1972 | 65.00 | a | 75.00 | 78.00 | 83.00 | 82.00 | a | 97.00 | 99.00 | 98.00 | 86.00 | 88.00 | 66.00 | 65.00 | 99.00 | b | ||||||||||
1973 | 60.00 | 64.00 | 65.00 | 76.00 | 87.00 | 101.00 | 97.00 | a | 97.00 | 94.00 | 84.00 | a | 79.00 | 67.00 | 101.00 | b | ||||||||||
1974 | 73.00 | 66.00 | a | 75.00 | f | 84.00 | 94.00 | 99.00 | 97.00 | 91.00 | 98.00 | 82.00 | e | 72.00 | 68.00 | a | 99.00 | m | ||||||||
1975 | 66.00 | i | 67.00 | 72.00 | 76.00 | 84.00 | 94.00 | 92.00 | 92.00 | 90.00 | 81.00 | 74.00 | 69.00 | 94.00 | i | |||||||||||
1976 | 65.00 | a | 72.00 | 73.00 | d | 79.00 | 86.00 | 95.00 | 96.00 | 93.00 | 88.00 | a | 79.00 | a | 72.00 | b | 60.00 | 96.00 | i | |||||||
1977 | 60.00 | g | 72.00 | 70.00 | 71.00 | 91.00 | a | 98.00 | 99.00 | a | 90.00 | a | ----- | z | 87.00 | a | 79.00 | 66.00 | ----- | z | ||||||
1978 | 65.00 | a | 66.00 | 74.00 | 81.00 | 89.00 | 99.00 | e | 99.00 | 92.00 | 89.00 | 89.00 | 72.00 | 68.00 | b | 99.00 | h | |||||||||
1979 | 59.00 | 72.00 | b | 68.00 | b | 78.00 | a | ----- | z | 95.00 | b | 100.00 | e | 91.00 | h | 93.00 | h | 87.00 | 67.00 | 65.00 | b | ----- | z | |||
1980 | 64.00 | a | 70.00 | 67.00 | d | 78.00 | 86.00 | g | 100.00 | c | 98.00 | a | 94.00 | c | 92.00 | 91.00 | 76.00 | a | 72.00 | a | 100.00 | u | ||||
1981 | 62.00 | 73.00 | b | 73.00 | 86.00 | 83.00 | a | 103.00 | 95.00 | 90.00 | d | 89.00 | 82.00 | 78.00 | 71.00 | 103.00 | g | |||||||||
1982 | 68.00 | 69.00 | a | 71.00 | 79.00 | 85.00 | a | 95.00 | 95.00 | 89.00 | g | 93.00 | 82.00 | 70.00 | 68.00 | 95.00 | i | |||||||||
1983 | 69.00 | 68.00 | 70.00 | a | 75.00 | 88.00 | 92.00 | b | 97.00 | a | 97.00 | 92.00 | 78.00 | 70.00 | 62.00 | 97.00 | d | |||||||||
1984 | 66.00 | 67.00 | b | 72.00 | 79.00 | 92.00 | 90.00 | a | 95.00 | 91.00 | 91.00 | c | 78.00 | a | 75.00 | 62.00 | 95.00 | g | ||||||||
1985 | 63.00 | 82.00 | 73.00 | 78.00 | 85.00 | a | 95.00 | 94.00 | b | 90.00 | b | 86.00 | 78.00 | a | 67.00 | a | 63.00 | 95.00 | g | |||||||
1986 | 65.00 | 74.00 | 74.00 | 79.00 | 86.00 | 91.00 | 93.00 | a | 92.00 | a | 84.00 | 76.00 | 65.00 | a | 59.00 | 93.00 | c | |||||||||
1987 | 65.00 | 64.00 | 79.00 | g | 83.00 | a | 81.00 | b | 93.00 | 93.00 | a | 88.00 | c | 85.00 | a | 81.00 | 68.00 | 68.00 | 93.00 | o | ||||||
1988 | 61.00 | a | 68.00 | 75.00 | a | 77.00 | 87.00 | 91.00 | b | 90.00 | 85.00 | i | 86.00 | a | 80.00 | a | 73.00 | 58.00 | 91.00 | o | ||||||
1989 | 60.00 | a | 72.00 | 79.00 | 86.00 | b | 90.00 | c | 95.00 | 96.00 | 89.00 | a | 82.00 | a | 77.00 | b | 68.00 | a | 63.00 | 96.00 | k | |||||
1990 | 63.00 | 63.00 | b | 71.00 | a | 77.00 | 83.00 | 96.00 | d | 84.00 | d | 83.00 | 83.00 | e | 72.00 | 67.00 | b | 58.00 | 96.00 | r | ||||||
1991 | 54.00 | 60.00 | 64.00 | c | 73.00 | a | 81.00 | a | 92.00 | 88.00 | b | 86.00 | a | 85.00 | 78.00 | a | 67.00 | 57.00 | 92.00 | i | ||||||
1992 | 54.00 | 61.00 | a | 66.00 | 80.00 | a | 79.00 | a | 89.00 | b | 95.00 | 87.00 | b | 84.00 | b | 79.00 | b | 68.00 | 63.00 | a | 95.00 | l | ||||
1993 | 63.00 | a | 62.00 | 81.00 | j | 85.00 | i | 87.00 | a | 94.00 | b | 93.00 | a | 91.00 | d | 85.00 | a | 82.00 | c | 64.00 | a | 62.00 | a | ----- | z | |
1994 | 62.00 | d | 66.00 | a | 73.00 | c | 80.00 | 94.00 | a | 102.00 | a | 96.00 | b | 93.00 | a | 85.00 | 79.00 | 73.00 | b | 59.00 | b | 102.00 | q | |||
1995 | 63.00 | 66.00 | c | 70.00 | a | 77.00 | d | 82.00 | e | 90.00 | d | 97.00 | 93.00 | b | 91.00 | a | 79.00 | e | 74.00 | h | 67.00 | i | ----- | z | ||
1996 | 64.00 | f | 67.00 | 72.00 | c | 84.00 | h | 92.00 | b | 96.00 | a | 95.00 | c | 89.00 | 77.00 | g | 75.00 | d | 63.00 | h | 59.00 | d | ----- | z | ||
1997 | 55.00 | c | 53.00 | i | 76.00 | m | 76.00 | b | 89.00 | d | 92.00 | c | 97.00 | d | 89.00 | b | 87.00 | c | 83.00 | e | 73.00 | 57.00 | b | ----- | z | |
1998 | 62.00 | b | 62.00 | 72.00 | d | 79.00 | e | 86.00 | f | 99.00 | a | 95.00 | a | 90.00 | d | 87.00 | a | 81.00 | f | 70.00 | 64.00 | a | ----- | z | ||
1999 | 66.00 | 67.00 | a | 72.00 | b | 79.00 | c | 85.00 | a | 95.00 | d | 97.00 | e | 88.00 | f | 86.00 | d | 81.00 | a | 76.00 | b | 63.00 | c | ----- | z | |
2000 | 71.00 | a | 69.00 | b | 72.00 | g | 88.00 | a | 93.00 | c | 93.00 | c | 93.00 | e | 93.00 | e | 91.00 | 86.00 | b | 65.00 | c | 65.00 | e | ----- | z | |
2001 | 58.00 | ----- | z | 72.00 | 79.00 | b | 90.00 | 91.00 | b | 94.00 | b | 89.00 | 85.00 | f | 79.00 | a | 73.00 | a | 61.00 | e | ----- | z | ||||
2002 | 64.00 | b | 70.00 | c | 73.00 | b | 82.00 | b | 94.00 | e | 97.00 | b | 99.00 | 92.00 | f | 88.00 | c | 79.00 | 67.00 | b | 59.00 | ----- | z | |||
2003 | 65.00 | c | 67.00 | b | 71.00 | e | 75.00 | b | 88.00 | c | 91.00 | 99.00 | c | 94.00 | d | 87.00 | f | 87.00 | a | 72.00 | a | 65.00 | a | ----- | z | |
2004 | ----- | z | 68.00 | 76.00 | d | 73.00 | b | 84.00 | 91.00 | b | 93.00 | a | 89.00 | b | 86.00 | e | 77.00 | d | 67.00 | a | 67.00 | c | ----- | z | ||
2005 | 62.00 | b | 60.00 | 69.00 | 75.00 | b | 93.00 | 95.00 | c | 94.00 | a | 90.00 | 88.00 | e | 84.00 | b | 78.00 | f | 65.00 | b | 95.00 | w | ||||
2006 | 65.00 | 70.00 | d | 71.00 | b | 81.00 | b | 88.00 | c | 96.00 | c | 95.00 | h | 85.00 | b | 83.00 | h | 83.00 | b | 75.00 | a | 64.00 | c | ----- | z | |
2007 | 58.00 | b | 64.00 | b | 75.00 | c | 77.00 | b | 82.00 | a | 94.00 | a | 98.00 | a | 91.00 | a | 84.00 | d | 80.00 | e | 75.00 | 70.00 | a | 98.00 | w | |
2008 | 57.00 | a | 68.00 | a | 72.00 | a | 79.00 | 91.00 | a | 96.00 | c | 89.00 | b | 86.00 | c | 82.00 | c | 80.00 | f | 73.00 | d | 65.00 | b | ----- | z | |
2009 | 63.00 | 73.00 | b | 76.00 | b | 79.00 | b | 86.00 | b | 90.00 | c | 95.00 | h | 94.00 | 85.00 | d | 81.00 | d | 72.00 | a | 57.00 | d | ----- | z | ||
2010 | 55.00 | 57.00 | b | 73.00 | d | 74.00 | 86.00 | e | 98.00 | 91.00 | d | 91.00 | c | 88.00 | c | 82.00 | 69.00 | b | 68.00 | e | ----- | z | ||||
2011 | 65.00 | d | 68.00 | c | 76.00 | a | 81.00 | a | 85.00 | b | 97.00 | a | 92.00 | b | 92.00 | d | 92.00 | c | 82.00 | d | 73.00 | a | 64.00 | d | ----- | z |
2012 | 65.00 | 61.00 | b | 74.00 | c | 86.00 | b | 88.00 | 95.00 | b | 92.00 | b | 92.00 | c | 89.00 | b | 81.00 | b | 75.00 | ----- | z | ----- | z | |||
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.00 | a | 67.00 | e | 65.00 | b | ----- | z |
2015 | 66.00 | c | 70.00 | b | 78.00 | d | 76.00 | b | 83.00 | b | 98.00 | a | 93.00 | 93.00 | b | 91.00 | b | 93.00 | 69.00 | d | 66.00 | h | ----- | z | ||
2016 | 64.00 | a | 70.00 | 78.00 | 78.00 | a | 84.00 | d | 100.00 | e | 97.00 | m | 89.00 | b | 88.00 | 82.00 | 73.00 | 69.00 | ----- | z | ||||||
2017 | 66.00 | 72.00 | 79.00 | 77.00 | a | 86.00 | 102.00 | 95.00 | 91.00 | 90.00 | 88.00 | 76.00 | 70.00 | a | 102.00 | b | ||||||||||
2018 | 68.00 | 72.00 | 77.00 | 81.00 | 89.00 | 98.00 | a | 97.00 | 95.00 | 90.00 | a | 81.00 | 66.00 | 61.00 | 98.00 | b | ||||||||||
2019 | 64.00 | 64.00 | 73.00 | 82.00 | 84.00 | 94.00 | 98.00 | 97.00 | 91.00 | 81.00 | 76.00 | 63.00 | a | 98.00 | a | |||||||||||
2020 | 63.00 | 66.00 | 70.00 | 85.00 | b | 92.00 | 97.00 | 101.00 | 98.00 | 95.00 | 88.00 | a | 79.00 | a | 67.00 | a | 101.00 | e | ||||||||
2021 | 66.00 | 65.00 | 72.00 | 80.00 | b | 87.00 | a | 99.00 | 95.00 | 93.00 | 91.00 | a | 78.00 | b | 78.00 | a | 71.00 | 99.00 | g | |||||||
2022 | 63.00 | 68.00 | a | 78.00 | 82.00 | a | 91.00 | b | 97.00 | a | 98.00 | b | 91.00 | 86.00 | b | 78.00 | b | 71.00 | a | 67.00 | c | 98.00 | o | |||
2023 | 63.00 | a | 65.00 | a | 70.00 | 82.00 | b | 84.00 | 99.00 | b | 101.00 | 100.00 | b | 95.00 | b | 86.00 | 78.00 | 65.00 | a | 101.00 | k | |||||
2024 | 60.00 | 69.00 | 70.00 | b | 80.00 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 63.37 | 67.64 | 72.96 | 79.41 | 87.31 | 95.78 | 95.60 | 91.77 | 88.26 | 81.74 | 71.75 | 64.77 | 98.22 | |||||||||||||
S.D. | 4.25 | 4.38 | 3.58 | 3.84 | 3.82 | 3.52 | 3.47 | 3.63 | 3.51 | 4.16 | 3.87 | 3.95 | 2.54 | |||||||||||||
SKEW | -0.05 | 0.25 | -0.25 | 0.19 | 0.14 | 0.10 | -0.62 | -0.06 | 0.45 | 0.48 | -0.01 | -0.34 | -0.55 | |||||||||||||
MAX | 74.00 | 82.00 | 79.00 | 88.00 | 96.00 | 104.00 | 102.00 | 100.00 | 98.00 | 93.00 | 79.00 | 72.00 | 102.00 | |||||||||||||
MIN | 54.00 | 57.00 | 64.00 | 71.00 | 79.00 | 89.00 | 84.00 | 83.00 | 82.00 | 72.00 | 64.00 | 57.00 | 93.00 | |||||||||||||
YRS | 57 | 59 | 57 | 59 | 58 | 59 | 58 | 57 | 53 | 61 | 60 | 60 | 9 |