YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | 43.00 | x | 45.00 | 50.00 | a | 52.00 | b | 36.00 | 20.00 | 5.00 | a | -12.00 | ----- | z | ||||
1910 | -20.00 | a | -16.00 | a | 20.00 | b | 23.00 | 30.00 | 48.00 | 46.00 | 37.00 | c | 36.00 | 17.00 | ----- | z | -0.00 | ----- | z | |||||||
1911 | -21.00 | -5.00 | a | 8.00 | b | 9.00 | 23.00 | 41.00 | d | 49.00 | i | 38.00 | e | 38.00 | b | 19.00 | c | -6.00 | c | -20.00 | h | ----- | z | |||
1912 | -28.00 | c | -16.00 | -8.00 | 24.00 | 31.00 | 39.00 | a | 49.00 | d | 49.00 | c | 25.00 | a | 19.00 | 8.00 | a | -0.00 | d | -28.00 | q | |||||
1913 | -24.00 | a | -13.00 | c | -13.00 | 22.00 | a | 29.00 | 45.00 | i | 43.00 | f | 47.00 | a | 27.00 | 5.00 | 17.00 | a | -4.00 | -24.00 | v | |||||
1914 | -15.00 | a | -28.00 | 5.00 | d | 9.00 | 32.00 | a | 46.00 | 51.00 | 42.00 | 35.00 | d | 27.00 | 2.00 | b | -17.00 | -28.00 | l | |||||||
1915 | -23.00 | -5.00 | a | -8.00 | d | 20.00 | 27.00 | b | 36.00 | c | 40.00 | 40.00 | 32.00 | b | 18.00 | b | 8.00 | b | -4.00 | -23.00 | p | |||||
1916 | -36.00 | b | -16.00 | -16.00 | a | 12.00 | a | 24.00 | 39.00 | a | 55.00 | a | 42.00 | 26.00 | a | 14.00 | -14.00 | b | -29.00 | a | -36.00 | j | ||||
1917 | -27.00 | b | -33.00 | b | -12.00 | a | 16.00 | 28.00 | c | 34.00 | 44.00 | m | 33.00 | b | 35.00 | d | ----- | z | 13.00 | -24.00 | b | ----- | z | |||
1918 | -32.00 | b | -25.00 | 1.00 | d | 14.00 | c | 30.00 | c | 45.00 | l | 49.00 | e | 44.00 | n | 23.00 | h | 18.00 | j | 9.00 | c | 2.00 | g | ----- | z | |
1919 | -25.00 | m | -23.00 | d | -8.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | -12.00 | a | 9.00 | 35.00 | 39.00 | 49.00 | 43.00 | 24.00 | 21.00 | 3.00 | c | -20.00 | ----- | z | ||||||||
1921 | 2.00 | -4.00 | a | 8.00 | 11.00 | 31.00 | 48.00 | 48.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1922 | -17.00 | -19.00 | -1.00 | 16.00 | a | 37.00 | 37.00 | 43.00 | 48.00 | 35.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | 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 | 48.00 | e | 45.00 | 44.00 | 37.00 | 18.00 | h | 2.00 | 4.00 | ----- | z | |||||
1953 | -13.00 | -9.00 | 1.00 | a | 20.00 | 24.00 | 44.00 | 50.00 | 49.00 | 34.00 | 26.00 | 12.00 | -5.00 | -13.00 | a | |||||||||||
1954 | -19.00 | 11.00 | -5.00 | 13.00 | 17.00 | 38.00 | 51.00 | 54.00 | 29.00 | 20.00 | 11.00 | -2.00 | -19.00 | |||||||||||||
1955 | -2.00 | -15.00 | -6.00 | 27.00 | 36.00 | 40.00 | 48.00 | a | 47.00 | 35.00 | 22.00 | -9.00 | -14.00 | -15.00 | a | |||||||||||
1956 | -9.00 | -15.00 | -13.00 | 18.00 | 29.00 | a | 40.00 | a | 52.00 | 48.00 | 37.00 | 29.00 | 7.00 | -9.00 | -15.00 | b | ||||||||||
1957 | -24.00 | -14.00 | 1.00 | 10.00 | 35.00 | 43.00 | 55.00 | 49.00 | 34.00 | 18.00 | a | 17.00 | -2.00 | -24.00 | a | |||||||||||
1958 | 5.00 | -14.00 | 8.00 | 23.00 | 33.00 | 37.00 | 49.00 | 43.00 | 30.00 | 20.00 | -1.00 | -16.00 | -16.00 | |||||||||||||
1959 | -18.00 | -7.00 | 15.00 | 13.00 | 31.00 | 45.00 | 42.00 | 48.00 | 29.00 | 19.00 | -20.00 | 9.00 | b | -20.00 | b | |||||||||||
1960 | -17.00 | -11.00 | -21.00 | 21.00 | 26.00 | 45.00 | 51.00 | 46.00 | 31.00 | 15.00 | -3.00 | -9.00 | -21.00 | |||||||||||||
1961 | -14.00 | 3.00 | 14.00 | 13.00 | a | 32.00 | 45.00 | 49.00 | 53.00 | 25.00 | 26.00 | 13.00 | -10.00 | -14.00 | a | |||||||||||
1962 | -20.00 | -24.00 | -21.00 | 16.00 | 32.00 | 43.00 | 52.00 | 47.00 | 34.00 | 17.00 | 15.00 | -7.00 | -24.00 | |||||||||||||
1963 | -26.00 | -12.00 | 10.00 | 19.00 | 28.00 | 50.00 | a | 56.00 | 51.00 | 40.00 | 28.00 | 11.00 | -16.00 | -26.00 | a | |||||||||||
1964 | -18.00 | -5.00 | 1.00 | 16.00 | 36.00 | 40.00 | 56.00 | 42.00 | 31.00 | 25.00 | -8.00 | -19.00 | -19.00 | |||||||||||||
1965 | -8.00 | -15.00 | -8.00 | 27.00 | 32.00 | 46.00 | 55.00 | 44.00 | 24.00 | 27.00 | 8.00 | -2.00 | -15.00 | |||||||||||||
1966 | -22.00 | -12.00 | -2.00 | b | 12.00 | 27.00 | 42.00 | 57.00 | 44.00 | 38.00 | 23.00 | 7.00 | -7.00 | -22.00 | b | |||||||||||
1967 | -5.00 | -15.00 | -3.00 | 16.00 | 25.00 | 43.00 | 46.00 | 46.00 | 28.00 | 24.00 | 2.00 | -26.00 | -26.00 | |||||||||||||
1968 | -22.00 | -4.00 | 9.00 | 10.00 | 30.00 | 43.00 | 45.00 | 46.00 | 38.00 | 22.00 | 14.00 | -23.00 | -23.00 | |||||||||||||
1969 | -17.00 | -1.00 | -5.00 | 26.00 | 33.00 | 34.00 | 51.00 | 49.00 | 38.00 | 17.00 | 8.00 | 2.00 | -17.00 | |||||||||||||
1970 | -21.00 | -4.00 | -4.00 | 14.00 | 30.00 | 44.00 | 52.00 | 51.00 | 33.00 | 23.00 | 3.00 | -12.00 | -21.00 | |||||||||||||
1971 | -13.00 | -20.00 | 7.00 | 18.00 | 35.00 | 49.00 | 43.00 | 50.00 | 34.00 | 16.00 | 6.00 | -4.00 | -20.00 | |||||||||||||
1972 | -19.00 | -10.00 | -3.00 | 16.00 | 29.00 | 40.00 | 46.00 | 47.00 | 26.00 | 17.00 | 10.00 | -17.00 | -19.00 | |||||||||||||
1973 | -16.00 | -8.00 | ----- | z | 16.00 | 31.00 | 45.00 | 52.00 | 57.00 | 33.00 | a | 23.00 | 15.00 | -2.00 | ----- | z | ||||||||||
1974 | -16.00 | 5.00 | 2.00 | a | 18.00 | a | 32.00 | a | 42.00 | 54.00 | 44.00 | 25.00 | 27.00 | 4.00 | -0.00 | -16.00 | c | |||||||||
1975 | -15.00 | -20.00 | -2.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -12.00 | -13.00 | ----- | z | ||
1977 | -21.00 | -2.00 | a | 2.00 | b | 19.00 | 40.00 | 50.00 | 51.00 | 45.00 | 39.00 | 29.00 | -8.00 | -17.00 | -21.00 | c | ||||||||||
1978 | -20.00 | a | -15.00 | b | ----- | 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 | -13.00 | ----- | z | |
1999 | -15.00 | a | 17.00 | a | 15.00 | a | 19.00 | 21.00 | 47.00 | 49.00 | 40.00 | 23.00 | 23.00 | 19.00 | 4.00 | -15.00 | c | |||||||||
2000 | -7.00 | 8.00 | 12.00 | 21.00 | 29.00 | a | 37.00 | 51.00 | a | 52.00 | 28.00 | 17.00 | 3.00 | -18.00 | -18.00 | b | ||||||||||
2001 | -5.00 | -12.00 | 5.00 | 19.00 | 36.00 | 42.00 | a | 50.00 | 52.00 | 37.00 | 22.00 | 1.00 | -2.00 | -12.00 | a | |||||||||||
2002 | -4.00 | -3.00 | -7.00 | 7.00 | 28.00 | 44.00 | 53.00 | 45.00 | 35.00 | 9.00 | 6.00 | -0.00 | -7.00 | |||||||||||||
2003 | -14.00 | -14.00 | -1.00 | 21.00 | 29.00 | 44.00 | 55.00 | 51.00 | 34.00 | 23.00 | -1.00 | 5.00 | -14.00 | |||||||||||||
2004 | -10.00 | -8.00 | 19.00 | 19.00 | 26.00 | 41.00 | 49.00 | 42.00 | 39.00 | 28.00 | 12.00 | -6.00 | a | -10.00 | a | |||||||||||
2005 | -15.00 | 3.00 | 13.00 | 23.00 | 22.00 | 45.00 | 50.00 | 49.00 | 36.00 | 21.00 | 9.00 | -12.00 | -15.00 | |||||||||||||
2006 | 16.00 | -21.00 | 8.00 | 26.00 | 30.00 | 46.00 | 58.00 | 51.00 | 34.00 | 12.00 | 1.00 | -11.00 | -21.00 | |||||||||||||
2007 | -7.00 | -22.00 | 12.00 | a | 11.00 | 40.00 | 40.00 | 51.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -15.38 | -10.61 | 0.38 | 17.09 | 30.02 | 42.59 | 50.12 | 46.44 | 32.49 | 20.70 | 4.63 | -8.84 | -17.93 | |||||||||||||
S.D. | 9.67 | 10.25 | 10.23 | 5.32 | 4.82 | 4.09 | 4.19 | 4.87 | 4.88 | 5.39 | 8.86 | 9.06 | 4.62 | |||||||||||||
SKEW | 0.80 | 0.42 | -0.09 | 0.06 | -0.24 | -0.19 | -0.34 | -0.41 | -0.45 | -0.64 | -0.76 | -0.22 | 0.20 | |||||||||||||
MAX | 16.00 | 17.00 | 20.00 | 27.00 | 40.00 | 50.00 | 58.00 | 57.00 | 40.00 | 29.00 | 19.00 | 9.00 | -7.00 | |||||||||||||
MIN | -36.00 | -33.00 | -21.00 | 7.00 | 17.00 | 34.00 | 40.00 | 33.00 | 23.00 | 5.00 | -20.00 | -29.00 | -26.00 | |||||||||||||
YRS | 45 | 46 | 45 | 44 | 44 | 44 | 41 | 43 | 43 | 40 | 43 | 43 | 30 |