YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | -10.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | a | 10.00 | -11.00 | ----- | z | ||
1940 | -20.00 | -13.00 | 1.00 | 14.00 | 14.00 | 28.00 | 39.00 | 35.00 | a | 33.00 | a | 12.00 | -0.00 | f | -15.00 | -20.00 | h | |||||||||
1941 | -14.00 | -6.00 | -3.00 | -0.00 | 26.00 | 29.00 | 35.00 | 36.00 | 25.00 | c | 17.00 | -0.00 | -5.00 | -14.00 | c | |||||||||||
1942 | -34.00 | -30.00 | -11.00 | 12.00 | 18.00 | 27.00 | 42.00 | a | 37.00 | 21.00 | 17.00 | -0.00 | -13.00 | -34.00 | a | |||||||||||
1943 | -19.00 | a | -14.00 | -14.00 | 18.00 | 19.00 | 30.00 | k | 34.00 | a | 28.00 | 30.00 | 12.00 | b | 4.00 | a | -4.00 | a | -19.00 | q | ||||||
1944 | -16.00 | -16.00 | a | -8.00 | b | 5.00 | h | 10.00 | b | 30.00 | a | 37.00 | 37.00 | d | 29.00 | d | 25.00 | b | -3.00 | d | -4.00 | j | ----- | z | ||
1945 | -10.00 | i | -14.00 | j | -19.00 | k | 2.00 | o | 25.00 | a | 25.00 | 31.00 | 37.00 | b | 18.00 | b | 16.00 | g | ----- | z | -16.00 | c | ----- | z | ||
1946 | -16.00 | -9.00 | -7.00 | 11.00 | a | 12.00 | 31.00 | 40.00 | 40.00 | 23.00 | e | 10.00 | a | -5.00 | b | -23.00 | e | -23.00 | n | |||||||
1947 | -20.00 | b | -6.00 | -5.00 | w | 14.00 | b | 28.00 | a | 27.00 | 39.00 | 34.00 | c | 26.00 | g | 18.00 | -7.00 | b | -7.00 | p | ----- | z | ||||
1948 | -29.00 | f | -23.00 | i | -24.00 | a | 8.00 | g | 19.00 | 31.00 | a | 35.00 | a | 35.00 | a | 30.00 | b | 14.00 | g | -11.00 | f | -16.00 | l | ----- | z | |
1949 | ----- | z | -30.00 | x | ----- | z | -2.00 | m | 23.00 | h | 25.00 | t | 35.00 | b | 38.00 | 28.00 | b | 12.00 | 12.00 | b | -12.00 | b | ----- | z | ||
1950 | ----- | z | ----- | z | ----- | z | 4.00 | 15.00 | d | 24.00 | 34.00 | 36.00 | 26.00 | d | 18.00 | a | -6.00 | 4.00 | y | ----- | z | |||||
1951 | -0.00 | y | ----- | z | ----- | z | 11.00 | d | 20.00 | b | 27.00 | a | 33.00 | a | 37.00 | a | 24.00 | g | 12.00 | ----- | z | ----- | z | ----- | z | |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | 23.00 | d | 25.00 | 32.00 | b | 37.00 | 30.00 | e | 15.00 | -16.00 | g | ----- | z | ----- | z | |||
1953 | ----- | z | ----- | z | ----- | z | -3.00 | v | 10.00 | a | 21.00 | d | 37.00 | 35.00 | 29.00 | 14.00 | -9.00 | k | ----- | z | ----- | z | ||||
1954 | ----- | z | ----- | z | ----- | z | 22.00 | s | 17.00 | 21.00 | 38.00 | 31.00 | 21.00 | 15.00 | c | 8.00 | e | -12.00 | q | ----- | z | |||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | 10.00 | 19.00 | 32.00 | 39.00 | 25.00 | 17.00 | a | 6.00 | t | ----- | z | ----- | z | |||||
1956 | ----- | z | ----- | z | ----- | z | 3.00 | o | 22.00 | 28.00 | a | 35.00 | 32.00 | a | 21.00 | 19.00 | j | -14.00 | s | ----- | z | ----- | z | |||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.00 | 39.00 | 31.00 | 19.00 | 15.00 | ----- | z | ----- | z | ----- | z | |||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | l | 26.00 | 30.00 | 34.00 | 15.00 | a | 14.00 | -12.00 | x | ----- | z | ----- | z | ||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | 12.00 | d | 29.00 | 37.00 | 38.00 | a | 21.00 | 17.00 | ----- | z | ----- | z | ----- | z | ||||
1960 | ----- | z | ----- | z | ----- | z | 10.00 | x | 21.00 | 27.00 | 40.00 | a | 28.00 | 31.00 | a | 10.00 | d | ----- | z | ----- | z | ----- | z | |||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | 31.00 | b | 39.00 | 40.00 | 21.00 | b | 10.00 | b | ----- | z | ----- | z | ----- | z | |||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 8.00 | b | 28.00 | 35.00 | b | 29.00 | b | 22.00 | d | 20.00 | e | ----- | z | ----- | z | ----- | z | |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | 25.00 | o | 29.00 | b | ----- | z | 40.00 | b | ----- | z | 24.00 | ----- | z | ----- | z | ----- | z | |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.00 | 22.00 | 19.00 | a | ----- | z | ----- | z | ----- | z | ||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.00 | 28.00 | 8.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.00 | 30.00 | 28.00 | 12.00 | ----- | 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 | 30.00 | a | 38.00 | p | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 10.00 | t | -17.00 | ----- | z | |
2014 | 0.00 | -8.00 | 7.00 | r | ----- | z | 18.00 | a | 29.00 | 39.00 | 35.00 | 26.00 | 21.00 | -1.00 | -15.00 | ----- | z | |||||||||
2015 | -8.00 | 0.00 | -4.00 | 11.00 | 22.00 | 37.00 | 39.00 | 37.00 | 31.00 | 31.00 | d | ----- | z | -10.00 | c | ----- | z | |||||||||
2016 | -10.00 | -6.00 | 11.00 | 8.00 | 22.00 | 34.00 | 38.00 | 38.00 | 28.00 | 20.00 | 3.00 | -8.00 | -10.00 | |||||||||||||
2017 | -14.00 | -11.00 | a | -7.00 | a | 12.00 | a | 21.00 | 33.00 | a | 39.00 | c | 39.00 | 24.00 | 17.00 | 8.00 | 5.00 | -14.00 | g | |||||||
2018 | 0.00 | -8.00 | 0.00 | a | 8.00 | 25.00 | 30.00 | 40.00 | 41.00 | 28.00 | a | 11.00 | a | 4.00 | -13.00 | -13.00 | c | |||||||||
2019 | -17.00 | -9.00 | -2.00 | a | 10.00 | 15.00 | a | 30.00 | 41.00 | 39.00 | 28.00 | -6.00 | 4.00 | -8.00 | a | -17.00 | c | |||||||||
2020 | -5.00 | a | -10.00 | 5.00 | 3.00 | 25.00 | a | 28.00 | a | 36.00 | a | 45.00 | 23.00 | a | -2.00 | 6.00 | a | 0.00 | -10.00 | f | ||||||
2021 | -2.00 | -5.00 | a | -4.00 | 8.00 | 25.00 | 33.00 | 50.00 | a | 41.00 | 29.00 | 20.00 | j | ----- | z | ----- | z | ----- | z | |||||||
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.00 | m | 45.00 | 35.00 | 18.00 | 5.00 | -5.00 | ----- | z | |||||
2023 | ----- | z | ----- | z | ----- | z | ----- | z | -1.00 | x | 35.00 | j | 43.00 | b | 42.00 | a | -1.00 | a | -1.00 | -1.00 | -1.00 | ----- | z | |||
2024 | -7.00 | -9.00 | -1.00 | -1.00 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -12.63 | -10.00 | -4.53 | 9.60 | 18.64 | 28.23 | 37.24 | 35.95 | 24.32 | 14.67 | 2.28 | -9.50 | -17.60 | |||||||||||||
S.D. | 8.95 | 6.35 | 8.19 | 4.64 | 5.61 | 3.80 | 3.86 | 4.70 | 7.07 | 7.36 | 5.52 | 6.96 | 9.50 | |||||||||||||
SKEW | -0.48 | -1.75 | -0.49 | -0.41 | -0.31 | -0.33 | 0.76 | -0.29 | -1.61 | -0.84 | -0.05 | 0.23 | -1.25 | |||||||||||||
MAX | 0.00 | 0.00 | 11.00 | 18.00 | 28.00 | 37.00 | 50.00 | 45.00 | 35.00 | 31.00 | 12.00 | 5.00 | -10.00 | |||||||||||||
MIN | -34.00 | -30.00 | -24.00 | -0.00 | 8.00 | 19.00 | 30.00 | 26.00 | -1.00 | -6.00 | -7.00 | -23.00 | -34.00 | |||||||||||||
YRS | 16 | 17 | 15 | 15 | 28 | 31 | 34 | 37 | 34 | 33 | 18 | 18 | 5 |