YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | 23.00 | v | 26.00 | q | 38.00 | e | 40.00 | n | 20.00 | d | 13.00 | h | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | 16.00 | w | 18.00 | 21.00 | c | 31.00 | d | 30.00 | e | 20.00 | a | 16.00 | i | ----- | z | ----- | z | ----- | z | |
1930 | ----- | z | ----- | z | ----- | z | 16.00 | f | 25.00 | c | 34.00 | a | 32.00 | 32.00 | e | 26.00 | d | 9.00 | e | ----- | z | ----- | z | ----- | z | |
1931 | ----- | z | ----- | z | ----- | z | 11.00 | b | 21.00 | 30.00 | 34.00 | 30.00 | a | 29.00 | 17.00 | d | 5.00 | a | -3.00 | k | ----- | z | ||||
1932 | -22.00 | d | -23.00 | -20.00 | 13.00 | a | 26.00 | 33.00 | a | 30.00 | 31.00 | 24.00 | 11.00 | a | ----- | z | ----- | z | ----- | z | ||||||
1933 | ----- | z | ----- | z | ----- | z | 12.00 | c | 17.00 | 29.00 | 39.00 | 31.00 | 28.00 | 5.00 | b | ----- | z | ----- | z | ----- | z | |||||
1934 | ----- | z | ----- | z | ----- | z | 13.00 | b | 22.00 | c | 34.00 | 34.00 | 28.00 | 23.00 | b | 19.00 | ----- | z | ----- | z | ----- | z | ||||
1935 | ----- | z | ----- | z | ----- | z | 8.00 | b | 18.00 | 32.00 | a | 45.00 | 31.00 | 20.00 | a | 14.00 | b | ----- | z | ----- | z | ----- | z | |||
1936 | ----- | z | ----- | z | ----- | z | 1.00 | 23.00 | 30.00 | 37.00 | 36.00 | 25.00 | a | 3.00 | b | ----- | z | ----- | z | ----- | z | |||||
1937 | ----- | z | ----- | z | ----- | z | 10.00 | b | 21.00 | a | 29.00 | 33.00 | 38.00 | 22.00 | a | 9.00 | a | ----- | z | ----- | z | ----- | z | |||
1938 | ----- | z | ----- | z | ----- | z | 9.00 | b | 24.00 | a | 35.00 | 38.00 | 39.00 | a | 30.00 | j | 21.00 | k | -7.00 | b | -38.00 | ----- | z | |||
1939 | -26.00 | b | -43.00 | b | -33.00 | c | 3.00 | a | 20.00 | a | 40.00 | 35.00 | 41.00 | 17.00 | a | 10.00 | a | 10.00 | -8.00 | -43.00 | k | |||||
1940 | -36.00 | a | -26.00 | a | -20.00 | a | 6.00 | b | 17.00 | 30.00 | 34.00 | 29.00 | 28.00 | 22.00 | -11.00 | f | -23.00 | c | -36.00 | n | ||||||
1941 | -17.00 | a | -20.00 | c | -22.00 | a | 21.00 | 23.00 | 29.00 | 34.00 | 30.00 | 28.00 | 20.00 | 3.00 | a | -12.00 | -22.00 | f | ||||||||
1942 | -26.00 | -28.00 | a | -2.00 | 14.00 | j | 23.00 | 33.00 | ----- | z | 31.00 | a | 21.00 | 10.00 | -8.00 | a | -22.00 | ----- | z | |||||||
1943 | -34.00 | -22.00 | c | -31.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -5.00 | b | -22.00 | f | ----- | z | ||
1944 | -16.00 | b | -25.00 | a | -19.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 12.00 | -15.00 | d | ----- | z | ||
1945 | -37.00 | -27.00 | -20.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -23.00 | e | ----- | z | |||
1946 | -30.00 | d | -30.00 | a | -1.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -41.00 | ----- | z | ||
1947 | -22.00 | -18.00 | -12.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -7.00 | n | -15.00 | ----- | z | |||
1948 | -37.00 | a | -37.00 | a | -33.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1949 | ----- | z | -5.00 | q | -12.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 38.00 | c | ----- | 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 | -28.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.00 | f | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | -36.00 | -14.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1972 | ----- | z | ----- | z | ----- | z | -1.00 | 27.00 | 29.00 | a | 32.00 | 37.00 | ----- | z | 11.00 | ----- | 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 | 4.00 | a | ----- | z | -38.00 | f | ----- | 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 | -39.00 | ----- | 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 | -4.00 | a | -12.00 | b | ----- | z |
1998 | -21.00 | d | -3.00 | a | -4.00 | 20.00 | 30.00 | 32.00 | 42.00 | 39.00 | 30.00 | 25.00 | 9.00 | -26.00 | b | -26.00 | g | |||||||||
1999 | -33.00 | b | -13.00 | b | -6.00 | 22.00 | 29.00 | 36.00 | 38.00 | b | 43.00 | 25.00 | a | 21.00 | b | 10.00 | b | -27.00 | c | -33.00 | n | |||||
2000 | -20.00 | -18.00 | c | -10.00 | 14.00 | 24.00 | 28.00 | 38.00 | a | 40.00 | a | 26.00 | b | 20.00 | -0.00 | -29.00 | d | -29.00 | k | |||||||
2001 | -17.00 | d | -21.00 | a | -1.00 | 19.00 | 27.00 | 35.00 | 35.00 | 34.00 | 26.00 | 15.00 | 20.00 | -8.00 | -21.00 | e | ||||||||||
2002 | -11.00 | -15.00 | a | -20.00 | 9.00 | 22.00 | 34.00 | 45.00 | 43.00 | a | 29.00 | 16.00 | 1.00 | -13.00 | -20.00 | b | ||||||||||
2003 | -22.00 | -29.00 | -27.00 | 3.00 | 22.00 | 27.00 | 40.00 | 41.00 | 22.00 | 20.00 | -6.00 | -9.00 | -29.00 | |||||||||||||
2004 | -27.00 | b | -27.00 | c | -1.00 | 16.00 | 22.00 | 33.00 | ----- | z | 31.00 | ----- | z | 27.00 | 9.00 | -25.00 | ----- | z | ||||||||
2005 | -39.00 | -13.00 | -20.00 | 22.00 | 19.00 | 40.00 | 41.00 | b | 36.00 | 29.00 | 24.00 | a | -9.00 | b | -12.00 | a | -39.00 | f | ||||||||
2006 | -8.00 | -27.00 | -3.00 | a | 18.00 | 29.00 | d | 30.00 | 45.00 | a | 39.00 | 29.00 | a | 19.00 | ----- | z | -6.00 | b | ----- | z | ||||||
2007 | -18.00 | a | -29.00 | b | -12.00 | a | ----- | z | 28.00 | 38.00 | a | 39.00 | 40.00 | 26.00 | d | 21.00 | c | -1.00 | c | -17.00 | g | ----- | z | |||
2008 | -24.00 | a | -24.00 | d | -24.00 | e | 15.00 | ----- | z | ----- | z | 42.00 | 35.00 | a | 31.00 | e | 20.00 | a | -0.00 | a | -23.00 | a | ----- | z | ||
2009 | -32.00 | a | -23.00 | -23.00 | 18.00 | 25.00 | 29.00 | 38.00 | 33.00 | 26.00 | 20.00 | 15.00 | -19.00 | -32.00 | a | |||||||||||
2010 | -23.00 | -13.00 | 9.00 | 17.00 | 23.00 | 35.00 | 46.00 | 43.00 | 28.00 | 21.00 | 3.00 | -20.00 | -23.00 | |||||||||||||
2011 | -27.00 | -22.00 | -5.00 | 21.00 | 21.00 | 37.00 | 48.00 | 45.00 | 28.00 | 21.00 | 8.00 | -8.00 | -27.00 | |||||||||||||
2012 | -18.00 | -3.00 | -3.00 | 17.00 | 30.00 | 31.00 | 50.00 | 39.00 | 28.00 | 16.00 | 4.00 | -8.00 | -18.00 | |||||||||||||
2013 | -23.00 | -24.00 | -13.00 | 2.00 | 23.00 | 32.00 | 41.00 | 39.00 | 31.00 | 20.00 | -7.00 | -31.00 | -31.00 | |||||||||||||
2014 | -33.00 | -26.00 | -31.00 | 6.00 | 27.00 | 37.00 | 43.00 | 45.00 | 32.00 | 20.00 | -11.00 | -10.00 | -33.00 | |||||||||||||
2015 | -23.00 | -29.00 | -27.00 | 18.00 | 27.00 | 30.00 | 42.00 | 39.00 | a | 30.00 | 22.00 | 5.00 | 4.00 | -29.00 | a | |||||||||||
2016 | -19.00 | -19.00 | -3.00 | 5.00 | 26.00 | 35.00 | 43.00 | a | 45.00 | 35.00 | 26.00 | 11.00 | -19.00 | -19.00 | a | |||||||||||
2017 | -24.00 | -10.00 | -11.00 | 20.00 | 26.00 | 35.00 | 45.00 | 39.00 | a | 34.00 | 19.00 | -0.00 | -26.00 | -26.00 | a | |||||||||||
2018 | -27.00 | -19.00 | 1.00 | -0.00 | 26.00 | a | 38.00 | 48.00 | 44.00 | 29.00 | g | 22.00 | 1.00 | b | -5.00 | -27.00 | j | |||||||||
2019 | -35.00 | -25.00 | -22.00 | 18.00 | 25.00 | 33.00 | 46.00 | 39.00 | 33.00 | 16.00 | -2.00 | -23.00 | -35.00 | |||||||||||||
2020 | -18.00 | -22.00 | 3.00 | 14.00 | 22.00 | 31.00 | 47.00 | 45.00 | 28.00 | 12.00 | 12.00 | -17.00 | -22.00 | |||||||||||||
2021 | -17.00 | -35.00 | 5.00 | 10.00 | 24.00 | 41.00 | 38.00 | 41.00 | 36.00 | 23.00 | 6.00 | -13.00 | -35.00 | |||||||||||||
2022 | -27.00 | -28.00 | -15.00 | 9.00 | b | 26.00 | f | 38.00 | 42.00 | 46.00 | 27.00 | 24.00 | 6.00 | -15.00 | -28.00 | h | ||||||||||
2023 | -21.00 | -19.00 | -8.00 | 10.00 | c | 27.00 | 35.00 | 43.00 | 38.00 | 35.00 | 18.00 | 1.00 | 8.00 | -21.00 | c | |||||||||||
2024 | -13.00 | -5.00 | 5.00 | 19.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -24.67 | -22.60 | -12.63 | 12.14 | 23.82 | 32.95 | 39.77 | 37.40 | 27.24 | 17.30 | 2.76 | -16.83 | -26.67 | |||||||||||||
S.D. | 7.92 | 8.74 | 11.52 | 6.75 | 3.49 | 4.07 | 5.26 | 5.16 | 4.53 | 6.07 | 7.53 | 10.51 | 5.88 | |||||||||||||
SKEW | -0.14 | 0.32 | -0.07 | -0.30 | -0.17 | -0.26 | -0.03 | -0.15 | -0.14 | -0.73 | 0.12 | -0.03 | 0.02 | |||||||||||||
MAX | -8.00 | -3.00 | 9.00 | 22.00 | 30.00 | 41.00 | 50.00 | 46.00 | 36.00 | 27.00 | 20.00 | 8.00 | -18.00 | |||||||||||||
MIN | -39.00 | -43.00 | -33.00 | -1.00 | 17.00 | 21.00 | 30.00 | 28.00 | 17.00 | 3.00 | -11.00 | -41.00 | -35.00 | |||||||||||||
YRS | 39 | 40 | 40 | 37 | 39 | 40 | 40 | 43 | 38 | 40 | 33 | 35 | 15 |