YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | 23.00 | a | ----- | z | 30.00 | 23.00 | 3.00 | -8.00 | -37.00 | -29.00 | c | ----- | z | |||||
1905 | -45.00 | -41.00 | -19.00 | 2.00 | b | 20.00 | h | 30.00 | e | 30.00 | b | 32.00 | 10.00 | a | -3.00 | -20.00 | ----- | z | ----- | z | ||||||
1906 | ----- | z | ----- | z | -13.00 | b | ----- | z | ----- | z | 42.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 6.00 | 16.00 | 29.00 | 29.00 | 22.00 | 12.00 | a | -15.00 | -50.00 | a | -52.00 | a | ----- | z | ||||||
1942 | -33.00 | a | -20.00 | b | -36.00 | b | -7.00 | a | 4.00 | 29.00 | 33.00 | 27.00 | 13.00 | -0.00 | a | -41.00 | a | -61.00 | b | -61.00 | j | |||||
1943 | -54.00 | b | -63.00 | c | -41.00 | b | -20.00 | 24.00 | ----- | z | ----- | z | 27.00 | 21.00 | -11.00 | a | -20.00 | -31.00 | b | ----- | z | |||||
1944 | -37.00 | a | -34.00 | -46.00 | -43.00 | 30.00 | u | 31.00 | 41.00 | 31.00 | 17.00 | -8.00 | -38.00 | -50.00 | -50.00 | v | ||||||||||
1945 | -39.00 | -49.00 | -28.00 | -21.00 | 4.00 | 31.00 | 37.00 | 32.00 | 15.00 | -11.00 | -51.00 | -37.00 | -51.00 | |||||||||||||
1946 | -36.00 | -35.00 | -34.00 | -17.00 | 22.00 | 39.00 | a | 38.00 | 30.00 | 8.00 | -1.00 | -38.00 | a | -67.00 | a | -67.00 | c | |||||||||
1947 | -66.00 | a | -75.00 | -32.00 | -15.00 | 20.00 | 30.00 | 36.00 | 31.00 | 14.00 | -0.00 | -23.00 | -32.00 | a | -75.00 | b | ||||||||||
1948 | -37.00 | -49.00 | -34.00 | -12.00 | 21.00 | 33.00 | 38.00 | 21.00 | 14.00 | -1.00 | -55.00 | -64.00 | -64.00 | |||||||||||||
1949 | -48.00 | -53.00 | -19.00 | -12.00 | 12.00 | 32.00 | 32.00 | 33.00 | 23.00 | -9.00 | ----- | z | ----- | z | ----- | z | ||||||||||
1950 | -54.00 | -57.00 | -22.00 | -25.00 | 23.00 | 35.00 | 39.00 | 31.00 | ----- | z | 1.00 | -56.00 | -39.00 | ----- | z | |||||||||||
1951 | -62.00 | -56.00 | -53.00 | -0.00 | 20.00 | 25.00 | 32.00 | 28.00 | a | 14.00 | -20.00 | a | ----- | z | -50.00 | b | ----- | z | ||||||||
1952 | -68.00 | b | -39.00 | b | -30.00 | j | -20.00 | b | 15.00 | b | 29.00 | b | 31.00 | g | 21.00 | h | 8.00 | d | -0.00 | c | -15.00 | f | -42.00 | d | ----- | z |
1953 | -61.00 | -51.00 | -43.00 | -10.00 | c | 26.00 | b | 30.00 | a | 31.00 | j | 28.00 | d | 16.00 | f | -26.00 | b | -35.00 | e | -43.00 | a | ----- | z | |||
1954 | -60.00 | -51.00 | -25.00 | -32.00 | 20.00 | b | 31.00 | 32.00 | 25.00 | a | 12.00 | 3.00 | a | -36.00 | a | -51.00 | o | -60.00 | t | |||||||
1955 | ----- | z | -45.00 | v | -47.00 | a | -8.00 | 16.00 | 23.00 | 34.00 | 23.00 | 4.00 | -20.00 | d | -55.00 | b | -65.00 | ----- | z | |||||||
1956 | -65.00 | b | -60.00 | a | -60.00 | -5.00 | 18.00 | 29.00 | 32.00 | 25.00 | -5.00 | c | -22.00 | c | -45.00 | a | -70.00 | b | -70.00 | l | ||||||
1957 | -55.00 | b | -56.00 | d | -30.00 | -13.00 | 18.00 | b | 35.00 | 36.00 | d | 30.00 | i | 9.00 | -13.00 | -27.00 | -54.00 | -56.00 | u | |||||||
1958 | -35.00 | b | -48.00 | c | -35.00 | a | -5.00 | 22.00 | 27.00 | 25.00 | 28.00 | a | 5.00 | b | -32.00 | -36.00 | j | -46.00 | -48.00 | s | ||||||
1959 | -60.00 | -23.00 | -40.00 | -21.00 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -27.00 | r | -28.00 | i | ----- | z | |||
1960 | -50.00 | f | -28.00 | b | -36.00 | m | -4.00 | l | 23.00 | i | 31.00 | k | 32.00 | b | 29.00 | i | 21.00 | 5.00 | f | ----- | z | -45.00 | a | ----- | z | |
1961 | -50.00 | -44.00 | a | -46.00 | f | ----- | z | 15.00 | a | 30.00 | h | 33.00 | 26.00 | 19.00 | -26.00 | -42.00 | -64.00 | a | ----- | z | ||||||
1962 | -64.00 | a | -44.00 | b | -35.00 | -5.00 | f | 13.00 | c | 32.00 | a | 34.00 | d | 29.00 | e | 13.00 | 9.00 | d | -33.00 | a | -49.00 | ----- | z | |||
1963 | -52.00 | a | -56.00 | -33.00 | -24.00 | 20.00 | 27.00 | 34.00 | 26.00 | 17.00 | -10.00 | -56.00 | -48.00 | -56.00 | a | |||||||||||
1964 | -55.00 | -50.00 | -55.00 | -16.00 | -0.00 | 26.00 | 28.00 | ----- | z | 19.00 | i | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -25.00 | i | -36.00 | a | -54.00 | b | ----- | z |
1966 | -54.00 | b | -45.00 | d | -38.00 | s | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | 22.00 | 15.00 | ----- | 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 | 12.00 | 25.00 | 34.00 | 28.00 | 21.00 | -12.00 | a | -42.00 | a | -60.00 | a | ----- | z | |||||
2000 | -61.00 | -26.00 | -21.00 | -9.00 | 19.00 | 29.00 | 30.00 | 26.00 | 19.00 | -13.00 | a | -19.00 | -41.00 | -61.00 | a | |||||||||||
2001 | -31.00 | -28.00 | -24.00 | r | 8.00 | s | ----- | z | ----- | z | ----- | z | ----- | z | 18.00 | w | -3.00 | p | ----- | z | -46.00 | x | ----- | z | ||
2002 | ----- | z | -38.00 | n | -32.00 | s | -19.00 | q | ----- | z | 28.00 | p | ----- | z | 26.00 | u | 23.00 | n | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.00 | v | 48.00 | k | -44.00 | q | -10.00 | n | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.00 | u | 53.00 | q | 51.00 | r | ----- | 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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -51.28 | -45.42 | -34.83 | -13.91 | 16.79 | 30.38 | 33.36 | 27.25 | 12.88 | -9.92 | -38.86 | -49.71 | -62.33 | |||||||||||||
S.D. | 11.56 | 13.38 | 12.23 | 11.28 | 6.63 | 4.32 | 3.68 | 3.48 | 6.62 | 10.33 | 11.97 | 11.83 | 8.43 | |||||||||||||
SKEW | 0.36 | 0.14 | -0.25 | -0.58 | -1.08 | 0.85 | -0.03 | -0.13 | -0.72 | -0.32 | 0.15 | 0.01 | -0.16 | |||||||||||||
MAX | -31.00 | -20.00 | -13.00 | 6.00 | 26.00 | 42.00 | 41.00 | 33.00 | 23.00 | 9.00 | -19.00 | -29.00 | -51.00 | |||||||||||||
MIN | -68.00 | -75.00 | -60.00 | -43.00 | -0.00 | 23.00 | 25.00 | 21.00 | -5.00 | -32.00 | -56.00 | -70.00 | -75.00 | |||||||||||||
YRS | 25 | 26 | 23 | 22 | 24 | 24 | 25 | 24 | 25 | 25 | 22 | 24 | 6 |