YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.00 | l | 42.00 | 11.00 | 5.00 | ----- | z | |||
1951 | 8.00 | -5.00 | 20.00 | 30.00 | 35.00 | 54.00 | 61.00 | 62.00 | 43.00 | 38.00 | 20.00 | 13.00 | -5.00 | |||||||||||||
1952 | 11.00 | 16.00 | 19.00 | 30.00 | 39.00 | 59.00 | 57.00 | 65.00 | 51.00 | 35.00 | f | 20.00 | 19.00 | 11.00 | f | |||||||||||
1953 | 21.00 | a | 15.00 | 25.00 | a | 35.00 | 38.00 | 55.00 | 56.00 | 53.00 | 45.00 | b | 30.00 | 25.00 | 11.00 | 11.00 | d | |||||||||
1954 | 18.00 | 23.00 | 20.00 | m | 28.00 | h | 39.00 | i | 50.00 | f | 60.00 | m | 58.00 | g | 50.00 | p | 36.00 | l | 26.00 | 14.00 | ----- | z | ||||
1955 | 11.00 | e | ----- | z | ----- | z | 34.00 | 48.00 | b | 52.00 | 64.00 | ----- | 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 | 8.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | 12.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | 20.00 | ----- | 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 | 13.00 | a | ----- | 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 | 15.00 | ----- | z | |
1979 | 2.00 | c | 19.00 | 34.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.00 | a | ----- | z | ----- | z | ----- | z | |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.00 | a | 23.00 | f | ----- | 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 | 14.00 | c | 26.00 | e | 26.00 | b | 34.00 | a | 47.00 | c | 61.00 | g | 70.00 | d | 67.00 | e | 43.00 | a | 37.00 | a | 30.00 | a | 20.00 | c | ----- | z |
2001 | 26.00 | d | 25.00 | b | 33.00 | d | 42.00 | 52.00 | a | 69.00 | 67.00 | 63.00 | 54.00 | 40.00 | 17.00 | 23.00 | 17.00 | k | ||||||||
2002 | 22.00 | a | 18.00 | f | 20.00 | a | 41.00 | 50.00 | 63.00 | a | 68.00 | 66.00 | a | 56.00 | d | 39.00 | b | 28.00 | a | 26.00 | b | 18.00 | s | |||
2003 | 25.00 | e | 18.00 | d | 29.00 | 37.00 | 51.00 | a | ----- | z | 69.00 | 65.00 | a | 60.00 | 38.00 | a | 27.00 | a | 24.00 | ----- | z | |||||
2004 | 18.00 | 19.00 | 36.00 | a | ----- | z | 42.00 | 63.00 | 60.00 | 64.00 | 52.00 | 46.00 | 28.00 | a | 15.00 | a | ----- | z | ||||||||
2005 | 20.00 | b | 27.00 | 33.00 | 36.00 | 44.00 | 61.00 | 55.00 | 64.00 | 51.00 | a | 42.00 | 24.00 | 9.00 | 9.00 | c | ||||||||||
2006 | 23.00 | a | 20.00 | 29.00 | 48.00 | 51.00 | a | 64.00 | 59.00 | d | 66.00 | b | 54.00 | 40.00 | a | 23.00 | 26.00 | 20.00 | i | |||||||
2007 | 17.00 | c | 22.00 | a | 23.00 | a | 27.00 | a | 52.00 | b | 62.00 | 66.00 | a | 67.00 | a | 60.00 | a | 36.00 | 29.00 | a | 24.00 | a | 17.00 | m | ||
2008 | 19.00 | a | 20.00 | 26.00 | g | 41.00 | 43.00 | 65.00 | e | 64.00 | 63.00 | 56.00 | 40.00 | a | 34.00 | a | 30.00 | 19.00 | o | |||||||
2009 | 29.00 | 34.00 | b | 36.00 | a | 40.00 | 56.00 | a | 59.00 | 65.00 | 63.00 | a | 51.00 | 40.00 | a | 34.00 | b | 23.00 | 23.00 | h | ||||||
2010 | 8.00 | 32.00 | a | 33.00 | a | 32.00 | a | 42.00 | a | 65.00 | a | 63.00 | 62.00 | 53.00 | b | 46.00 | 30.00 | a | 31.00 | 8.00 | h | |||||
2011 | 23.00 | 5.00 | 30.00 | 43.00 | a | 33.00 | 66.00 | a | 65.00 | d | 70.00 | 53.00 | 35.00 | 23.00 | 16.00 | 5.00 | f | |||||||||
2012 | 21.00 | 24.00 | a | 31.00 | 42.00 | a | 53.00 | 64.00 | a | 63.00 | a | 58.00 | c | 50.00 | 37.00 | 25.00 | d | 19.00 | e | 19.00 | p | |||||
2013 | 19.00 | d | 22.00 | f | 24.00 | d | 32.00 | d | 31.00 | g | 62.00 | c | 55.00 | c | 56.00 | e | 55.00 | e | 35.00 | b | 26.00 | f | 13.00 | d | ----- | z |
2014 | 13.00 | a | 11.00 | g | 16.00 | c | 22.00 | f | 38.00 | d | 55.00 | a | 65.00 | 64.00 | b | 47.00 | a | 40.00 | b | 18.00 | d | 19.00 | c | ----- | z | |
2015 | 19.00 | f | 17.00 | a | 23.00 | b | 37.00 | d | 42.00 | a | 55.00 | b | 66.00 | c | 60.00 | a | 59.00 | g | 36.00 | c | 27.00 | d | 23.00 | h | ----- | z |
2016 | 23.00 | b | 23.00 | d | 32.00 | e | 32.00 | d | 43.00 | a | 55.00 | e | 69.00 | g | 62.00 | f | 52.00 | c | 49.00 | e | 37.00 | h | 12.00 | d | ----- | z |
2017 | 10.00 | j | 29.00 | d | 38.00 | c | 41.00 | f | 46.00 | g | 59.00 | c | 65.00 | e | 57.00 | e | 58.00 | c | 31.00 | f | 26.00 | e | 21.00 | g | ----- | z |
2018 | 9.00 | d | 21.00 | f | 31.00 | d | 31.00 | g | 49.00 | g | 61.00 | d | 62.00 | e | 64.00 | c | 49.00 | d | 35.00 | e | 22.00 | e | 22.00 | e | ----- | z |
2019 | 12.00 | c | 22.00 | b | 20.00 | f | 33.00 | c | 42.00 | c | 57.00 | e | 62.00 | d | 67.00 | d | 60.00 | e | 15.00 | d | 23.00 | c | 23.00 | b | ----- | z |
2020 | 21.00 | b | 11.00 | 35.00 | a | 34.00 | c | 49.00 | e | 63.00 | f | 67.00 | b | 66.00 | 44.00 | b | 25.00 | b | 22.00 | c | 19.00 | b | ----- | z | ||
2021 | 18.00 | g | 1.00 | c | 22.00 | 36.00 | b | 48.00 | a | 55.00 | b | 63.00 | a | 59.00 | 57.00 | a | 37.00 | c | 31.00 | e | 25.00 | c | ----- | z | ||
2022 | 13.00 | c | 7.00 | e | 16.00 | d | 38.00 | f | 46.00 | g | 60.00 | b | 69.00 | f | 64.00 | g | 55.00 | d | 39.00 | g | 25.00 | q | 10.00 | j | ----- | z |
2023 | 23.00 | s | 18.00 | n | 36.00 | r | 36.00 | p | 38.00 | b | 59.00 | i | 63.00 | r | 64.00 | q | 60.00 | q | 49.00 | s | 29.00 | q | 25.00 | q | ----- | z |
2024 | 20.00 | s | 27.00 | p | 32.00 | s | 41.00 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.81 | 18.54 | 27.76 | 36.18 | 44.83 | 60.00 | 63.08 | 62.96 | 52.36 | 37.52 | 24.33 | 19.08 | 5.00 | |||||||||||||
S.D. | 6.67 | 9.16 | 6.58 | 5.14 | 6.22 | 4.49 | 4.19 | 4.03 | 5.11 | 6.77 | 5.65 | 6.49 | 8.72 | |||||||||||||
SKEW | -0.29 | -0.75 | -0.29 | 0.40 | -0.08 | 0.01 | -0.51 | -0.74 | -0.34 | -1.49 | -0.43 | -0.17 | -0.67 | |||||||||||||
MAX | 29.00 | 34.00 | 38.00 | 48.00 | 56.00 | 69.00 | 70.00 | 70.00 | 60.00 | 49.00 | 34.00 | 31.00 | 11.00 | |||||||||||||
MIN | 2.00 | -5.00 | 16.00 | 27.00 | 33.00 | 52.00 | 55.00 | 53.00 | 43.00 | 15.00 | 11.00 | 5.00 | -5.00 | |||||||||||||
YRS | 27 | 26 | 25 | 22 | 24 | 24 | 25 | 24 | 25 | 25 | 27 | 26 | 3 |