YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | b | 47.00 | f | ----- | 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 | 16.00 | u | 24.00 | k | 36.00 | 41.00 | 41.00 | 27.00 | a | 21.00 | -6.00 | a | -5.00 | ----- | z | |||||
2007 | -17.00 | 3.00 | 2.00 | 17.00 | 26.00 | 30.00 | 43.00 | 45.00 | 24.00 | 15.00 | -8.00 | -16.00 | a | -17.00 | a | |||||||||||
2008 | -19.00 | -9.00 | 8.00 | 14.00 | a | 21.00 | 31.00 | 45.00 | 36.00 | 31.00 | 17.00 | a | 9.00 | -17.00 | -19.00 | b | ||||||||||
2009 | -22.00 | 11.00 | 7.00 | d | 15.00 | c | 31.00 | a | 32.00 | a | 44.00 | a | 38.00 | g | 30.00 | 15.00 | 5.00 | -20.00 | h | -22.00 | y | |||||
2010 | -7.00 | k | -7.00 | 15.00 | c | 15.00 | 18.00 | a | 34.00 | 37.00 | 38.00 | 29.00 | 18.00 | -1.00 | 4.00 | -7.00 | o | |||||||||
2011 | -20.00 | -1.00 | 15.00 | b | 18.00 | a | 19.00 | 32.00 | 43.00 | 41.00 | 32.00 | 12.00 | 8.00 | -2.00 | -20.00 | c | ||||||||||
2012 | -8.00 | f | 5.00 | a | 12.00 | 10.00 | 27.00 | a | 33.00 | 45.00 | 46.00 | a | 34.00 | 12.00 | 3.00 | -21.00 | -21.00 | i | ||||||||
2013 | -29.00 | 2.00 | 10.00 | k | 17.00 | 21.00 | 32.00 | 46.00 | 43.00 | 25.00 | 21.00 | 14.00 | -14.00 | -29.00 | k | |||||||||||
2014 | -2.00 | -1.00 | 10.00 | 18.00 | a | 20.00 | 34.00 | 46.00 | 41.00 | a | 36.00 | 20.00 | 5.00 | 1.00 | -2.00 | b | ||||||||||
2015 | 2.00 | 8.00 | 9.00 | 10.00 | 29.00 | 40.00 | 43.00 | 42.00 | 31.00 | 25.00 | 6.00 | -8.00 | -8.00 | |||||||||||||
2016 | -14.00 | -5.00 | 3.00 | 18.00 | 28.00 | 39.00 | 38.00 | 41.00 | 32.00 | 23.00 | 7.00 | -8.00 | b | -14.00 | b | |||||||||||
2017 | -15.00 | -2.00 | 12.00 | 15.00 | 26.00 | 36.00 | 40.00 | 42.00 | 24.00 | 14.00 | 4.00 | -3.00 | -15.00 | |||||||||||||
2018 | -5.00 | 1.00 | 1.00 | 12.00 | y | ----- | z | ----- | z | 41.00 | 42.00 | c | 30.00 | a | 21.00 | 5.00 | -4.00 | a | ----- | z | ||||||
2019 | -8.00 | -8.00 | c | 14.00 | 20.00 | 21.00 | a | 33.00 | 42.00 | b | 33.00 | e | 27.00 | -2.00 | -1.00 | -7.00 | -8.00 | k | ||||||||
2020 | -8.00 | 6.00 | a | 16.00 | 9.00 | 27.00 | 32.00 | 34.00 | 40.00 | 27.00 | 6.00 | -1.00 | -15.00 | -15.00 | a | |||||||||||
2021 | -7.00 | 9.00 | 6.00 | 12.00 | 28.00 | 39.00 | 52.00 | 42.00 | a | 29.00 | 22.00 | 9.00 | 2.00 | -7.00 | a | |||||||||||
2022 | -0.00 | -11.00 | 11.00 | 11.00 | 24.00 | 32.00 | 44.00 | 46.00 | 37.00 | 13.00 | 1.00 | -6.00 | -11.00 | |||||||||||||
2023 | -8.00 | -9.00 | 6.00 | 12.00 | 22.00 | 36.00 | 44.00 | 48.00 | a | 31.00 | 8.00 | 6.00 | -3.00 | -9.00 | a | |||||||||||
2024 | -6.00 | a | 1.00 | 13.00 | 16.00 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -11.13 | -0.39 | 9.41 | 14.44 | 24.25 | 34.22 | 42.67 | 41.59 | 29.78 | 15.61 | 3.61 | -7.18 | -12.45 | |||||||||||||
S.D. | 8.66 | 6.71 | 4.70 | 3.42 | 3.99 | 2.92 | 3.97 | 3.68 | 3.73 | 6.84 | 5.49 | 7.20 | 5.56 | |||||||||||||
SKEW | -0.38 | 0.01 | -0.34 | -0.11 | -0.01 | 0.63 | -0.04 | -0.49 | 0.19 | -0.92 | -0.43 | -0.35 | 0.37 | |||||||||||||
MAX | 2.00 | 11.00 | 16.00 | 20.00 | 31.00 | 40.00 | 52.00 | 48.00 | 37.00 | 25.00 | 14.00 | 4.00 | -2.00 | |||||||||||||
MIN | -29.00 | -11.00 | 1.00 | 9.00 | 18.00 | 30.00 | 34.00 | 33.00 | 24.00 | -2.00 | -8.00 | -21.00 | -20.00 | |||||||||||||
YRS | 16 | 18 | 17 | 16 | 16 | 18 | 18 | 17 | 18 | 18 | 18 | 17 | 11 |