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 | 75.00 | q | ----- | z | 80.00 | m | ----- | z |
1981 | 74.00 | d | 72.00 | b | 75.00 | b | 90.00 | 89.00 | b | 103.00 | a | 103.00 | c | 98.00 | 98.00 | 85.00 | a | 76.00 | b | 73.00 | 103.00 | q | ||||
1982 | 77.00 | 78.00 | ----- | 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 | 88.00 | 87.00 | 101.00 | 102.00 | 101.00 | 97.00 | 83.00 | 75.00 | b | 56.00 | ----- | z | ||||||||
1986 | 73.00 | a | 74.00 | 83.00 | 83.00 | a | 90.00 | a | 100.00 | 102.00 | h | 97.00 | h | 92.00 | g | 78.00 | c | 72.00 | f | 56.00 | a | ----- | z | |||
1987 | 66.00 | d | 71.00 | g | 77.00 | i | 89.00 | d | 85.00 | l | ----- | z | ----- | z | 99.00 | j | 92.00 | 86.00 | 71.00 | 69.00 | b | ----- | z | |||
1988 | 62.00 | 66.00 | a | 83.00 | 84.00 | b | 91.00 | b | 100.00 | 103.00 | 101.00 | 99.00 | e | 83.00 | 75.00 | 71.00 | 103.00 | j | ||||||||
1989 | 66.00 | 74.00 | 84.00 | 92.00 | 95.00 | 101.00 | 105.00 | 96.00 | 96.00 | a | 91.00 | 80.00 | 68.00 | a | 105.00 | b | ||||||||||
1990 | 72.00 | 61.00 | 73.00 | a | 82.00 | 88.00 | 103.00 | 105.00 | 103.00 | 101.00 | 89.00 | 80.00 | 71.00 | 105.00 | a | |||||||||||
1991 | 60.00 | 70.00 | a | 73.00 | 84.00 | 86.00 | 102.00 | a | 102.00 | a | 93.00 | 88.00 | 91.00 | 74.00 | 61.00 | 102.00 | c | |||||||||
1992 | 51.00 | a | 69.00 | 74.00 | 84.00 | 93.00 | 94.00 | 95.00 | 96.00 | 94.00 | 87.00 | a | 70.00 | 49.00 | 96.00 | b | ||||||||||
1993 | 52.00 | 60.00 | 80.00 | 80.00 | 88.00 | 101.00 | 101.00 | 96.00 | 98.00 | 92.00 | 67.00 | 66.00 | 101.00 | |||||||||||||
1994 | 66.00 | 62.00 | 79.00 | 85.00 | 94.00 | 100.00 | 98.00 | a | 100.00 | 96.00 | h | 83.00 | a | 75.00 | c | 67.00 | 100.00 | m | ||||||||
1995 | 67.00 | 73.00 | d | 81.00 | a | 78.00 | 87.00 | a | 93.00 | b | 101.00 | a | 97.00 | f | 97.00 | 89.00 | 74.00 | 67.00 | 101.00 | o | ||||||
1996 | 67.00 | 72.00 | d | 78.00 | 90.00 | 98.00 | 94.00 | 100.00 | 94.00 | g | 92.00 | 89.00 | 77.00 | 76.00 | 100.00 | k | ||||||||||
1997 | 73.00 | a | 70.00 | c | 83.00 | 82.00 | 94.00 | 99.00 | 104.00 | 93.00 | i | 93.00 | 90.00 | 72.00 | 57.00 | 104.00 | m | |||||||||
1998 | 64.00 | d | 66.00 | 83.00 | 84.00 | 92.00 | 100.00 | c | 99.00 | 96.00 | 96.00 | 82.00 | 80.00 | 74.00 | 100.00 | g | ||||||||||
1999 | 69.00 | 76.00 | 80.00 | 80.00 | 90.00 | 94.00 | 98.00 | 95.00 | f | 94.00 | 89.00 | 81.00 | 74.00 | 98.00 | f | |||||||||||
2000 | 64.00 | 71.00 | g | 75.00 | 89.00 | 99.00 | 102.00 | 100.00 | 100.00 | 99.00 | a | 89.00 | 63.00 | 67.00 | 102.00 | h | ||||||||||
2001 | 66.00 | d | 61.00 | 73.00 | j | 85.00 | b | 91.00 | a | 100.00 | 99.00 | 99.00 | 93.00 | 89.00 | 82.00 | 65.00 | 100.00 | q | ||||||||
2002 | 74.00 | 68.00 | 75.00 | 92.00 | 95.00 | a | 105.00 | f | 101.00 | a | 105.00 | 94.00 | 86.00 | 79.00 | 69.00 | 105.00 | h | |||||||||
2003 | 74.00 | 77.00 | 83.00 | 86.00 | 99.00 | 90.00 | 105.00 | 100.00 | 93.00 | 92.00 | 74.00 | 68.00 | 105.00 | |||||||||||||
2004 | 67.00 | 68.00 | 85.00 | 87.00 | 96.00 | 105.00 | 101.00 | 101.00 | f | 97.00 | 80.00 | 77.00 | 68.00 | 105.00 | f | |||||||||||
2005 | 71.00 | 71.00 | e | 76.00 | d | 82.00 | 97.00 | 98.00 | 106.00 | 101.00 | 96.00 | 90.00 | 80.00 | 70.00 | 106.00 | i | ||||||||||
2006 | 72.00 | 75.00 | e | 81.00 | 91.00 | 96.00 | 103.00 | 104.00 | 99.00 | 86.00 | 88.00 | a | 83.00 | 66.00 | 104.00 | f | ||||||||||
2007 | 48.00 | 59.00 | 80.00 | g | 82.00 | 92.00 | d | 100.00 | 101.00 | 100.00 | 94.00 | 91.00 | 81.00 | 74.00 | 101.00 | k | ||||||||||
2008 | 62.00 | 61.00 | 78.00 | 88.00 | a | 90.00 | a | 98.00 | 109.00 | 112.00 | 92.00 | 82.00 | a | 78.00 | 70.00 | 112.00 | c | |||||||||
2009 | 72.00 | 71.00 | 79.00 | 85.00 | 94.00 | 95.00 | b | 96.00 | 100.00 | c | 94.00 | 87.00 | 78.00 | 60.00 | 100.00 | e | ||||||||||
2010 | 65.00 | c | 54.00 | 87.00 | 87.00 | c | 96.00 | a | 101.00 | 103.00 | 98.00 | 101.00 | 86.00 | 82.00 | 69.00 | 103.00 | g | |||||||||
2011 | 65.00 | 73.00 | 82.00 | 86.00 | 91.00 | 105.00 | 104.00 | a | 102.00 | 100.00 | 91.00 | a | 76.00 | 63.00 | 105.00 | b | ||||||||||
2012 | 73.00 | 65.00 | 83.00 | h | 90.00 | 97.00 | b | 111.00 | a | 105.00 | 102.00 | 97.00 | a | 88.00 | a | 78.00 | 70.00 | 111.00 | m | |||||||
2013 | 66.00 | 63.00 | 78.00 | 84.00 | 93.00 | 107.00 | a | 103.00 | a | 99.00 | b | 101.00 | 87.00 | 72.00 | a | 69.00 | 107.00 | e | ||||||||
2014 | 65.00 | k | 60.00 | v | 78.00 | a | 83.00 | c | 92.00 | 98.00 | 101.00 | 98.00 | 99.00 | a | 86.00 | c | 75.00 | 67.00 | ----- | z | ||||||
2015 | 77.00 | 64.00 | n | 81.00 | 81.00 | 85.00 | 94.00 | j | 98.00 | a | 100.00 | 100.00 | e | 92.00 | 82.00 | 73.00 | a | ----- | z | |||||||
2016 | 64.00 | b | 77.00 | b | 78.00 | 81.00 | 89.00 | b | 106.00 | 101.00 | d | 99.00 | b | 99.00 | 89.00 | b | 85.00 | g | 67.00 | d | 106.00 | y | ||||
2017 | 63.00 | b | 81.00 | a | 86.00 | b | 86.00 | a | 87.00 | 100.00 | f | 103.00 | c | 98.00 | b | 101.00 | 85.00 | m | 83.00 | 65.00 | c | ----- | z | |||
2018 | 69.00 | 71.00 | 81.00 | a | 85.00 | 93.00 | a | 101.00 | 100.00 | 96.00 | e | 96.00 | 89.00 | a | 67.00 | a | 65.00 | 101.00 | i | |||||||
2019 | 60.00 | a | 69.00 | 76.00 | d | 87.00 | 92.00 | 101.00 | 101.00 | b | 100.00 | c | 99.00 | a | 94.00 | b | 78.00 | d | 71.00 | a | 101.00 | r | ||||
2020 | 62.00 | c | 79.00 | 75.00 | c | 83.00 | a | 93.00 | d | 102.00 | b | 101.00 | d | 102.00 | a | 101.00 | a | 89.00 | 82.00 | b | 71.00 | a | 102.00 | v | ||
2021 | 65.00 | 73.00 | a | 83.00 | a | 88.00 | a | 89.00 | d | 105.00 | 103.00 | b | 102.00 | c | 101.00 | e | 85.00 | b | 81.00 | a | 76.00 | c | 105.00 | w | ||
2022 | 61.00 | 66.00 | a | 79.00 | a | 90.00 | b | 95.00 | 102.00 | a | 106.00 | 100.00 | 102.00 | j | ----- | z | ----- | z | ----- | z | ----- | z | ||||
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 66.29 | 69.29 | 79.56 | 85.46 | 92.18 | 100.43 | 101.81 | 99.75 | 96.33 | 87.49 | 76.61 | 67.32 | 103.88 | |||||||||||||
S.D. | 6.67 | 6.40 | 3.78 | 3.57 | 3.70 | 4.27 | 2.91 | 3.33 | 3.76 | 3.63 | 4.88 | 5.85 | 4.55 | |||||||||||||
SKEW | -0.75 | -0.34 | -0.01 | 0.06 | 0.00 | -0.21 | -0.06 | 1.31 | -0.70 | -0.66 | -0.86 | -1.10 | 0.04 | |||||||||||||
MAX | 77.00 | 81.00 | 87.00 | 92.00 | 99.00 | 111.00 | 109.00 | 112.00 | 101.00 | 94.00 | 83.00 | 76.00 | 112.00 | |||||||||||||
MIN | 48.00 | 54.00 | 73.00 | 78.00 | 85.00 | 90.00 | 95.00 | 93.00 | 86.00 | 78.00 | 63.00 | 49.00 | 96.00 | |||||||||||||
YRS | 38 | 35 | 34 | 39 | 38 | 35 | 37 | 32 | 36 | 37 | 36 | 38 | 8 |