YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.00 | c | ----- | 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 | -16.00 | l | -6.00 | i | 2.00 | k | ----- | z | 32.00 | i | 34.00 | j | 16.00 | i | -4.00 | i | -4.00 | o | -6.00 | m | ----- | z |
1971 | -36.00 | n | -20.00 | i | -22.00 | j | -0.00 | n | 12.00 | k | ----- | 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 | -2.00 | m | -16.00 | l | -28.00 | q | ----- | 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 | -22.00 | o | ----- | 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 | -17.00 | o | ----- | 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 | -2.00 | q | ----- | 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 | ----- | 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 | 13.00 | 7.00 | ----- | z | -23.00 | g | ----- | z | ||
2004 | -30.00 | a | -30.00 | -12.00 | a | 1.00 | 4.00 | 21.00 | c | 27.00 | 19.00 | 23.00 | 4.00 | -20.00 | -25.00 | d | -30.00 | i | ||||||||
2005 | -8.00 | a | -14.00 | g | -16.00 | -9.00 | a | 11.00 | a | 25.00 | 31.00 | a | 32.00 | 23.00 | 18.00 | b | -13.00 | -30.00 | a | -30.00 | n | |||||
2006 | -14.00 | c | -24.00 | -10.00 | 2.00 | 16.00 | 28.00 | a | 37.00 | 28.00 | 11.00 | 4.00 | a | -26.00 | -10.00 | j | -26.00 | o | ||||||||
2007 | -27.00 | a | -23.00 | a | -20.00 | d | 2.00 | 13.00 | 26.00 | 37.00 | 33.00 | 13.00 | -2.00 | -11.00 | f | -30.00 | -30.00 | l | ||||||||
2008 | -33.00 | -21.00 | -24.00 | -16.00 | a | 2.00 | 26.00 | 40.00 | 31.00 | 24.00 | 7.00 | -7.00 | -24.00 | -33.00 | a | |||||||||||
2009 | -15.00 | -14.00 | -10.00 | -11.00 | a | 19.00 | 26.00 | 33.00 | 28.00 | 18.00 | b | 6.00 | -8.00 | -22.00 | a | -22.00 | d | |||||||||
2010 | -15.00 | -10.00 | c | -10.00 | d | -3.00 | 8.00 | 29.00 | ----- | z | 29.00 | 25.00 | 5.00 | -22.00 | a | -20.00 | a | ----- | z | |||||||
2011 | -27.00 | -33.00 | -14.00 | -10.00 | -3.00 | 19.00 | 30.00 | 31.00 | a | 25.00 | f | 3.00 | d | -5.00 | -22.00 | -33.00 | k | |||||||||
2012 | -16.00 | -15.00 | b | -18.00 | e | 8.00 | e | 21.00 | b | ----- | z | 38.00 | m | 39.00 | o | 28.00 | d | 1.00 | -6.00 | -17.00 | b | ----- | z | |||
2013 | -20.00 | -13.00 | -13.00 | -0.00 | 5.00 | 28.00 | 39.00 | 36.00 | 14.00 | 11.00 | -2.00 | -16.00 | -20.00 | |||||||||||||
2014 | -12.00 | -12.00 | -4.00 | 3.00 | 8.00 | 26.00 | 36.00 | 34.00 | 28.00 | 18.00 | -8.00 | a | -12.00 | -12.00 | a | |||||||||||
2015 | -3.00 | -2.00 | -6.00 | 8.00 | 14.00 | 30.00 | 36.00 | 35.00 | 29.00 | 14.00 | 1.00 | -11.00 | -11.00 | |||||||||||||
2016 | -11.00 | a | -14.00 | -1.00 | a | -0.00 | 18.00 | 29.00 | 38.00 | a | 34.00 | 24.00 | 18.00 | -9.00 | ----- | z | ----- | z | ||||||||
2017 | -15.00 | -13.00 | -5.00 | 7.00 | c | 11.00 | 31.00 | 35.00 | 36.00 | ----- | z | 12.00 | 10.00 | -6.00 | ----- | z | ||||||||||
2018 | 7.00 | i | -8.00 | -7.00 | 2.00 | a | 24.00 | a | 27.00 | a | 34.00 | 34.00 | 25.00 | 17.00 | -5.00 | -12.00 | -12.00 | l | ||||||||
2019 | -9.00 | -8.00 | -8.00 | 9.00 | 15.00 | 25.00 | 36.00 | 33.00 | 24.00 | -11.00 | -5.00 | -14.00 | -14.00 | |||||||||||||
2020 | -7.00 | -22.00 | 3.00 | 5.00 | d | 23.00 | j | 24.00 | 39.00 | 40.00 | 21.00 | c | -14.00 | 3.00 | -10.00 | -22.00 | q | |||||||||
2021 | -4.00 | d | -12.00 | -11.00 | 3.00 | 17.00 | a | 29.00 | 42.00 | 33.00 | 24.00 | 9.00 | a | 8.00 | -10.00 | -12.00 | f | |||||||||
2022 | -8.00 | -20.00 | -15.00 | -2.00 | 13.00 | 28.00 | 38.00 | 35.00 | 27.00 | 7.00 | -10.00 | -14.00 | -20.00 | |||||||||||||
2023 | -17.00 | -17.00 | -9.00 | a | -9.00 | a | 24.00 | 27.00 | 33.00 | 32.00 | 25.00 | -4.00 | -9.00 | -12.00 | -17.00 | b | ||||||||||
2024 | -15.00 | -13.00 | -1.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -15.30 | -16.20 | -10.05 | -0.50 | 12.63 | 26.53 | 35.61 | 32.55 | 22.05 | 6.19 | -7.00 | -17.06 | -18.63 | |||||||||||||
S.D. | 8.44 | 7.62 | 6.61 | 7.11 | 7.36 | 2.95 | 3.78 | 4.42 | 5.55 | 8.90 | 9.21 | 7.11 | 7.05 | |||||||||||||
SKEW | -0.63 | -0.49 | -0.08 | -0.63 | -0.32 | -0.96 | -0.56 | -1.27 | -0.81 | -0.59 | -0.20 | -0.46 | -0.95 | |||||||||||||
MAX | -3.00 | -2.00 | 3.00 | 9.00 | 24.00 | 31.00 | 42.00 | 40.00 | 29.00 | 18.00 | 10.00 | -6.00 | -11.00 | |||||||||||||
MIN | -33.00 | -33.00 | -24.00 | -16.00 | -3.00 | 19.00 | 27.00 | 19.00 | 11.00 | -14.00 | -26.00 | -30.00 | -33.00 | |||||||||||||
YRS | 20 | 20 | 21 | 20 | 19 | 19 | 18 | 20 | 19 | 21 | 19 | 18 | 8 |