YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 7.00 | ----- | z | |
1944 | ----- | z | ----- | z | ----- | z | 22.00 | 22.00 | 30.00 | 40.00 | 37.00 | 26.00 | 28.00 | a | 6.00 | 4.00 | ----- | z | ||||||||
1945 | ----- | z | 9.00 | 11.00 | 15.00 | 28.00 | 32.00 | 43.00 | 32.00 | 26.00 | 22.00 | 11.00 | -3.00 | ----- | z | |||||||||||
1946 | -10.00 | -13.00 | 10.00 | 20.00 | 29.00 | 30.00 | 34.00 | 34.00 | 30.00 | 15.00 | 15.00 | 4.00 | -13.00 | |||||||||||||
1947 | -11.00 | 18.00 | 17.00 | 24.00 | 26.00 | 30.00 | 37.00 | 36.00 | 25.00 | 25.00 | 10.00 | 5.00 | -11.00 | |||||||||||||
1948 | 8.00 | -6.00 | 10.00 | 13.00 | 23.00 | 34.00 | 35.00 | 35.00 | 27.00 | 15.00 | 11.00 | -22.00 | -22.00 | |||||||||||||
1949 | -31.00 | -27.00 | 12.00 | 21.00 | a | 25.00 | 29.00 | 36.00 | 38.00 | 26.00 | 15.00 | 20.00 | -14.00 | -31.00 | a | |||||||||||
1950 | -33.00 | -30.00 | 7.00 | 19.00 | 20.00 | 26.00 | 35.00 | 38.00 | 21.00 | 22.00 | 17.00 | 14.00 | -33.00 | |||||||||||||
1951 | -10.00 | 4.00 | -14.00 | 23.00 | 28.00 | 32.00 | 36.00 | 35.00 | 31.00 | 21.00 | 15.00 | -4.00 | -14.00 | |||||||||||||
1952 | -14.00 | -11.00 | -6.00 | a | 18.00 | 26.00 | 27.00 | 31.00 | 39.00 | 34.00 | 28.00 | h | 6.00 | u | -12.00 | ----- | z | |||||||||
1953 | 5.00 | 12.00 | a | 8.00 | 13.00 | 20.00 | 29.00 | 37.00 | 39.00 | 31.00 | 23.00 | e | 25.00 | v | 12.00 | ----- | z | |||||||||
1954 | -17.00 | 11.00 | 10.00 | 19.00 | 19.00 | 25.00 | 35.00 | 35.00 | a | 26.00 | 17.00 | 7.00 | -5.00 | -17.00 | a | |||||||||||
1955 | -18.00 | -7.00 | -1.00 | 16.00 | a | 22.00 | 26.00 | 30.00 | 38.00 | a | 26.00 | 19.00 | ----- | z | -2.00 | ----- | z | |||||||||
1956 | -18.00 | -15.00 | -6.00 | 20.00 | 25.00 | 27.00 | 35.00 | 29.00 | 24.00 | 16.00 | e | ----- | 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 | ----- | 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 | 6.00 | k | 19.00 | j | 23.00 | k | 26.00 | i | 26.00 | j | 29.00 | i | 34.00 | b | 40.00 | e | 26.00 | f | 28.00 | i | 7.00 | e | 4.00 | g | ----- | z |
2001 | -1.00 | e | 3.00 | e | 8.00 | h | 19.00 | g | 27.00 | n | 29.00 | l | 38.00 | k | 36.00 | m | 33.00 | k | 18.00 | e | -3.00 | d | -2.00 | b | ----- | z |
2002 | -1.00 | j | 4.00 | f | 6.00 | b | 21.00 | d | 26.00 | f | 30.00 | f | 42.00 | c | 35.00 | e | 30.00 | c | 12.00 | m | 3.00 | e | 19.00 | x | ----- | z |
2003 | 28.00 | w | 16.00 | 17.00 | 20.00 | 26.00 | 32.00 | 42.00 | 40.00 | a | 31.00 | a | 19.00 | 9.00 | b | 2.00 | a | ----- | z | |||||||
2004 | 2.00 | 3.00 | a | 16.00 | 24.00 | 29.00 | 32.00 | 41.00 | 37.00 | 29.00 | 22.00 | a | 2.00 | 11.00 | 2.00 | b | ||||||||||
2005 | -7.00 | 12.00 | 22.00 | 21.00 | 32.00 | a | 31.00 | a | 46.00 | f | 34.00 | 27.00 | 21.00 | 18.00 | 0.00 | -7.00 | h | |||||||||
2006 | 6.00 | 3.00 | 6.00 | 23.00 | 30.00 | a | 39.00 | l | 8.00 | a | 38.00 | 29.00 | 19.00 | -2.00 | 4.00 | -2.00 | n | |||||||||
2007 | -1.00 | 11.00 | 17.00 | b | 22.00 | 27.00 | 31.00 | 40.00 | 38.00 | 24.00 | 23.00 | 14.00 | -6.00 | -6.00 | b | |||||||||||
2008 | -2.00 | 2.00 | a | 9.00 | 16.00 | a | 21.00 | 30.00 | 42.00 | 34.00 | 29.00 | 22.00 | 22.00 | -12.00 | a | -12.00 | c | |||||||||
2009 | -4.00 | a | 6.00 | 13.00 | 18.00 | 27.00 | 32.00 | 38.00 | 37.00 | 30.00 | 22.00 | 14.00 | -6.00 | -6.00 | a | |||||||||||
2010 | 13.00 | 15.00 | 15.00 | 16.00 | 20.00 | 32.00 | 32.00 | 32.00 | 27.00 | 17.00 | 0.00 | d | 15.00 | a | 0.00 | e | ||||||||||
2011 | -2.00 | c | 3.00 | a | 24.00 | 20.00 | a | 26.00 | 32.00 | 37.00 | 41.00 | b | 32.00 | 16.00 | 15.00 | 4.00 | -2.00 | g | ||||||||
2012 | 6.00 | 9.00 | 11.00 | b | 20.00 | 25.00 | 28.00 | 41.00 | 37.00 | 34.00 | 23.00 | 12.00 | -7.00 | -7.00 | b | |||||||||||
2013 | -2.00 | e | 13.00 | 16.00 | 22.00 | 24.00 | 31.00 | 44.00 | 34.00 | 26.00 | 23.00 | 16.00 | -5.00 | c | -5.00 | h | ||||||||||
2014 | 12.00 | 10.00 | 21.00 | 23.00 | a | 27.00 | 32.00 | 36.00 | 40.00 | 35.00 | 27.00 | 11.00 | 8.00 | 8.00 | a | |||||||||||
2015 | 9.00 | 18.00 | 17.00 | 20.00 | 29.00 | 40.00 | 43.00 | 40.00 | 30.00 | 24.00 | -1.00 | -8.00 | a | -8.00 | a | |||||||||||
2016 | 11.00 | c | 14.00 | 22.00 | 25.00 | a | 32.00 | 31.00 | 34.00 | 40.00 | 27.00 | 25.00 | d | 18.00 | -5.00 | -5.00 | h | |||||||||
2017 | -2.00 | b | 5.00 | a | 11.00 | a | 24.00 | 27.00 | 30.00 | a | 46.00 | b | 45.00 | a | 26.00 | 16.00 | 14.00 | 3.00 | -2.00 | h | ||||||
2018 | 18.00 | 5.00 | d | 6.00 | c | 20.00 | 31.00 | 27.00 | 40.00 | 37.00 | 29.00 | 20.00 | 10.00 | 1.00 | 1.00 | g | ||||||||||
2019 | 6.00 | 3.00 | d | 11.00 | 26.00 | 25.00 | 28.00 | 38.00 | 41.00 | 25.00 | 10.00 | 0.00 | 11.00 | 0.00 | d | |||||||||||
2020 | 11.00 | 11.00 | 14.00 | 18.00 | 24.00 | 27.00 | 35.00 | 41.00 | 33.00 | 13.00 | 10.00 | 3.00 | 3.00 | |||||||||||||
2021 | 0.00 | 9.00 | 16.00 | 19.00 | 25.00 | 30.00 | 49.00 | 35.00 | 28.00 | 20.00 | 15.00 | 4.00 | 0.00 | |||||||||||||
2022 | 7.00 | b | 3.00 | 10.00 | 18.00 | 23.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -2.23 | 3.61 | 10.85 | 19.97 | 25.55 | 30.10 | 37.15 | 37.09 | 28.30 | 19.94 | 10.19 | -0.03 | -9.82 | |||||||||||||
S.D. | 12.44 | 11.79 | 8.32 | 3.21 | 3.49 | 2.91 | 6.81 | 3.21 | 3.25 | 4.15 | 6.81 | 8.49 | 11.39 | |||||||||||||
SKEW | -0.75 | -1.32 | -1.07 | -0.34 | -0.05 | 0.93 | -2.22 | -0.13 | 0.18 | -0.25 | -0.43 | -0.34 | -0.56 | |||||||||||||
MAX | 18.00 | 18.00 | 24.00 | 26.00 | 32.00 | 40.00 | 49.00 | 45.00 | 35.00 | 28.00 | 22.00 | 15.00 | 8.00 | |||||||||||||
MIN | -33.00 | -30.00 | -14.00 | 13.00 | 19.00 | 25.00 | 8.00 | 29.00 | 21.00 | 10.00 | -3.00 | -22.00 | -33.00 | |||||||||||||
YRS | 31 | 33 | 33 | 34 | 33 | 31 | 33 | 34 | 33 | 32 | 31 | 33 | 17 |