YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 33.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.00 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | 20.00 | b | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | 31.00 | s | 34.00 | 48.00 | 34.00 | a | 37.00 | e | 24.00 | e | 23.00 | 4.00 | ----- | z | ||||
2009 | 15.00 | r | 19.00 | c | 19.00 | c | 21.00 | 31.00 | 39.00 | 41.00 | b | 44.00 | 39.00 | 26.00 | 22.00 | 4.00 | ----- | z | ||||||||
2010 | 24.00 | 25.00 | 20.00 | 25.00 | 27.00 | 39.00 | 42.00 | 33.00 | 33.00 | 26.00 | 4.00 | 12.00 | a | 4.00 | a | |||||||||||
2011 | 3.00 | 12.00 | 12.00 | 16.00 | 20.00 | 25.00 | a | 43.00 | a | 42.00 | 39.00 | 25.00 | 22.00 | 11.00 | 3.00 | b | ||||||||||
2012 | 12.00 | 15.00 | 15.00 | 26.00 | 30.00 | b | 33.00 | b | 45.00 | 45.00 | a | 44.00 | a | 28.00 | 24.00 | a | 19.00 | 12.00 | g | |||||||
2013 | 9.00 | 20.00 | 20.00 | 27.00 | c | 30.00 | 39.00 | 52.00 | 47.00 | 35.00 | 30.00 | 19.00 | -2.00 | -2.00 | c | |||||||||||
2014 | 18.00 | 19.00 | 26.00 | 28.00 | 34.00 | 39.00 | 47.00 | 51.00 | 42.00 | 34.00 | c | 17.00 | a | 22.00 | 17.00 | d | ||||||||||
2015 | 18.00 | b | 22.00 | b | 27.00 | b | 27.00 | a | 33.00 | d | 44.00 | d | 47.00 | b | 46.00 | a | 37.00 | a | 33.00 | a | 18.00 | a | 17.00 | 17.00 | u | |
2016 | 12.00 | a | 25.00 | b | 27.00 | d | 28.00 | b | 37.00 | 38.00 | 45.00 | a | 41.00 | 37.00 | 26.00 | c | 26.00 | 17.00 | g | 12.00 | t | |||||
2017 | -1.00 | c | 20.00 | d | 25.00 | d | 25.00 | b | 24.00 | c | 28.00 | 45.00 | a | 45.00 | d | 33.00 | b | 26.00 | b | 21.00 | b | 16.00 | ----- | z | ||
2018 | 23.00 | b | 11.00 | b | 19.00 | c | 24.00 | c | 34.00 | 35.00 | b | 46.00 | f | 49.00 | c | 39.00 | a | 28.00 | 22.00 | 17.00 | 11.00 | v | ||||
2019 | 19.00 | a | 17.00 | a | 22.00 | 32.00 | 32.00 | 36.00 | 47.00 | a | 49.00 | 37.00 | 20.00 | 15.00 | a | 21.00 | a | 15.00 | e | |||||||
2020 | 20.00 | a | 23.00 | b | 21.00 | b | 26.00 | a | 30.00 | b | 39.00 | 44.00 | 50.00 | d | 40.00 | b | 25.00 | c | 17.00 | e | 17.00 | a | 17.00 | w | ||
2021 | 13.00 | a | 18.00 | b | 20.00 | 29.00 | c | 35.00 | c | 43.00 | 52.00 | c | 48.00 | f | 38.00 | a | 25.00 | 22.00 | 20.00 | 13.00 | s | |||||
2022 | 18.00 | d | 17.00 | f | 25.00 | f | 22.00 | 28.00 | d | 38.00 | d | 48.00 | b | 51.00 | c | 43.00 | e | 29.00 | c | 15.00 | e | 14.00 | d | ----- | z | |
2023 | 17.00 | d | 14.00 | c | 19.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.00 | 18.57 | 21.00 | 25.43 | 30.53 | 36.60 | 46.14 | 44.79 | 38.20 | 27.13 | 19.13 | 13.71 | 5.50 | |||||||||||||
S.D. | 7.07 | 4.43 | 4.49 | 3.90 | 4.42 | 5.07 | 3.28 | 5.71 | 3.23 | 3.44 | 5.32 | 7.19 | 8.10 | |||||||||||||
SKEW | -0.93 | -0.18 | -0.33 | -0.81 | -0.88 | -0.87 | 0.37 | -0.93 | 0.10 | 0.24 | -1.49 | -0.92 | 0.78 | |||||||||||||
MAX | 24.00 | 25.00 | 27.00 | 32.00 | 37.00 | 44.00 | 52.00 | 51.00 | 44.00 | 34.00 | 26.00 | 22.00 | 17.00 | |||||||||||||
MIN | -1.00 | 11.00 | 12.00 | 16.00 | 20.00 | 25.00 | 41.00 | 33.00 | 33.00 | 20.00 | 4.00 | -2.00 | -2.00 | |||||||||||||
YRS | 15 | 14 | 13 | 14 | 15 | 15 | 14 | 14 | 15 | 16 | 15 | 14 | 4 |