YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.00 | 26.00 | a | 18.00 | -16.00 | b | -0.00 | b | ----- | z | ||
1897 | -20.00 | -17.00 | b | -15.00 | b | 23.00 | a | 31.00 | 35.00 | a | 50.00 | 46.00 | 38.00 | 21.00 | a | -16.00 | a | -19.00 | c | -20.00 | k | |||||
1898 | -0.00 | -5.00 | b | -1.00 | a | 17.00 | 34.00 | 46.00 | 50.00 | 49.00 | 34.00 | 19.00 | f | -10.00 | -14.00 | a | -14.00 | j | ||||||||
1899 | -17.00 | -36.00 | a | -16.00 | ----- | z | 32.00 | 40.00 | ----- | z | 54.00 | l | 23.00 | 23.00 | 8.00 | -7.00 | ----- | z | ||||||||
1900 | -15.00 | -15.00 | -9.00 | 25.00 | 31.00 | 45.00 | 49.00 | 56.00 | 29.00 | 26.00 | -4.00 | -12.00 | a | -15.00 | a | |||||||||||
1901 | -10.00 | -13.00 | 1.00 | 20.00 | a | 35.00 | 36.00 | 54.00 | 51.00 | 21.00 | 20.00 | a | 11.00 | -20.00 | -20.00 | b | ||||||||||
1902 | -19.00 | -24.00 | -7.00 | 13.00 | 37.00 | 34.00 | a | 49.00 | 41.00 | 26.00 | 22.00 | 9.00 | -21.00 | -24.00 | a | |||||||||||
1903 | -12.00 | -22.00 | 4.00 | 22.00 | 35.00 | 41.00 | 52.00 | 48.00 | 30.00 | 24.00 | 1.00 | -22.00 | -22.00 | |||||||||||||
1904 | -21.00 | a | -15.00 | 1.00 | 11.00 | a | 31.00 | a | 34.00 | 49.00 | 45.00 | 34.00 | 26.00 | 8.00 | -14.00 | -21.00 | c | |||||||||
1905 | -23.00 | -42.00 | 13.00 | 19.00 | 30.00 | 46.00 | 45.00 | 51.00 | 37.00 | 17.00 | -10.00 | -9.00 | -42.00 | |||||||||||||
1906 | -23.00 | -20.00 | -13.00 | 23.00 | 26.00 | 43.00 | 47.00 | 40.00 | 39.00 | 16.00 | 5.00 | -4.00 | a | -23.00 | a | |||||||||||
1907 | -20.00 | -19.00 | -2.00 | 14.00 | a | 24.00 | 37.00 | 52.00 | 42.00 | a | 30.00 | 20.00 | 4.00 | -4.00 | -20.00 | b | ||||||||||
1908 | -6.00 | -14.00 | -8.00 | 10.00 | a | 21.00 | 42.00 | 49.00 | 43.00 | a | 29.00 | 20.00 | 5.00 | -15.00 | a | -15.00 | c | |||||||||
1909 | -23.00 | -18.00 | a | 2.00 | d | 15.00 | a | ----- | z | 42.00 | 49.00 | 54.00 | 36.00 | a | 16.00 | 5.00 | h | -18.00 | f | ----- | z | |||||
1910 | -20.00 | c | -18.00 | 20.00 | a | 24.00 | c | 28.00 | 39.00 | g | 52.00 | 41.00 | 32.00 | 17.00 | d | ----- | z | -14.00 | j | ----- | z | |||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | c | -5.00 | f | -13.00 | c | ----- | z |
1912 | -40.00 | d | ----- | z | ----- | z | ----- | z | 34.00 | p | 43.00 | 45.00 | a | 48.00 | a | 28.00 | ----- | z | ----- | z | -0.00 | d | ----- | z | ||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.00 | d | 6.00 | c | 11.00 | d | -4.00 | ----- | z | |
1914 | -6.00 | h | -29.00 | e | -2.00 | b | 16.00 | a | 24.00 | a | 40.00 | 53.00 | e | 40.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1915 | -19.00 | j | -0.00 | -6.00 | 15.00 | 30.00 | 37.00 | 43.00 | 43.00 | 34.00 | 27.00 | b | 15.00 | -7.00 | b | -19.00 | n | |||||||||
1916 | -35.00 | -20.00 | a | -13.00 | a | 15.00 | a | 24.00 | b | 45.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1917 | ----- | z | ----- | z | ----- | z | 19.00 | 28.00 | 37.00 | a | 43.00 | 40.00 | 36.00 | 3.00 | c | 17.00 | e | -35.00 | e | ----- | z | |||||
1918 | -29.00 | c | -24.00 | e | -0.00 | 15.00 | b | ----- | 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 | ----- | 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 | ----- | 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 | 51.00 | o | 41.00 | 32.00 | 9.00 | -16.00 | ----- | z | ||||
1964 | -18.00 | -2.00 | -0.00 | 18.00 | ----- | z | 39.00 | a | 56.00 | b | 42.00 | 31.00 | 23.00 | -6.00 | -19.00 | ----- | z | |||||||||
1965 | -12.00 | -14.00 | -5.00 | 30.00 | 34.00 | 46.00 | 56.00 | 46.00 | a | 24.00 | 30.00 | 6.00 | -0.00 | -14.00 | a | |||||||||||
1966 | -29.00 | -12.00 | 2.00 | 15.00 | 27.00 | 44.00 | 60.00 | 45.00 | 39.00 | 26.00 | 4.00 | -10.00 | -29.00 | |||||||||||||
1967 | -7.00 | -18.00 | -1.00 | 19.00 | 21.00 | 46.00 | 46.00 | 43.00 | 32.00 | 22.00 | 7.00 | -18.00 | -18.00 | |||||||||||||
1968 | -19.00 | -13.00 | 6.00 | 18.00 | a | 33.00 | 46.00 | 45.00 | 49.00 | a | 40.00 | 29.00 | 9.00 | -20.00 | -20.00 | b | ||||||||||
1969 | -17.00 | -7.00 | -2.00 | 27.00 | 37.00 | 38.00 | 49.00 | 52.00 | 43.00 | 20.00 | 11.00 | -6.00 | a | -17.00 | a | |||||||||||
1970 | -30.00 | -8.00 | -0.00 | 15.00 | 32.00 | 47.00 | 53.00 | 53.00 | 35.00 | 28.00 | 6.00 | -7.00 | -30.00 | |||||||||||||
1971 | -12.00 | -16.00 | 8.00 | b | 20.00 | 32.00 | 51.00 | 45.00 | 52.00 | 38.00 | 25.00 | 9.00 | a | -1.00 | a | -16.00 | d | |||||||||
1972 | -23.00 | -8.00 | -2.00 | 20.00 | 32.00 | 48.00 | 48.00 | 52.00 | 34.00 | 20.00 | 15.00 | -14.00 | -23.00 | |||||||||||||
1973 | -16.00 | -14.00 | 22.00 | 18.00 | 33.00 | a | 50.00 | 56.00 | 57.00 | 40.00 | 30.00 | ----- | z | -11.00 | ----- | z | ||||||||||
1974 | -16.00 | a | -9.00 | 5.00 | 22.00 | 33.00 | 44.00 | 54.00 | a | 45.00 | 29.00 | 29.00 | 12.00 | -2.00 | -16.00 | b | ||||||||||
1975 | -7.00 | -15.00 | 3.00 | 6.00 | 35.00 | 46.00 | 52.00 | 54.00 | 38.00 | 26.00 | -0.00 | a | -15.00 | g | -15.00 | h | ||||||||||
1976 | -17.00 | -11.00 | -5.00 | 25.00 | 27.00 | 44.00 | 53.00 | 52.00 | 35.00 | 20.00 | -4.00 | a | -10.00 | -17.00 | a | |||||||||||
1977 | -18.00 | -2.00 | 5.00 | 27.00 | 45.00 | 51.00 | 54.00 | d | 51.00 | 45.00 | 29.00 | a | 3.00 | -14.00 | -18.00 | e | ||||||||||
1978 | -20.00 | -17.00 | -13.00 | 25.00 | 36.00 | 44.00 | 56.00 | 45.00 | 41.00 | a | 26.00 | ----- | z | -14.00 | ----- | z | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -18.56 | -15.67 | -0.85 | 18.82 | 30.90 | 42.64 | 50.44 | 47.56 | 33.63 | 22.26 | 3.97 | -11.58 | -21.16 | |||||||||||||
S.D. | 8.38 | 8.95 | 8.84 | 5.36 | 5.16 | 4.77 | 4.26 | 4.92 | 5.89 | 6.31 | 8.75 | 7.88 | 6.74 | |||||||||||||
SKEW | -0.30 | -0.82 | 0.56 | -0.08 | 0.12 | -0.20 | 0.06 | 0.13 | -0.20 | -1.11 | -0.85 | -0.57 | -1.67 | |||||||||||||
MAX | -0.00 | -0.00 | 22.00 | 30.00 | 45.00 | 51.00 | 60.00 | 57.00 | 45.00 | 32.00 | 17.00 | -0.00 | -14.00 | |||||||||||||
MIN | -40.00 | -42.00 | -16.00 | 6.00 | 21.00 | 34.00 | 43.00 | 40.00 | 21.00 | 3.00 | -16.00 | -35.00 | -42.00 | |||||||||||||
YRS | 32 | 33 | 33 | 33 | 31 | 33 | 32 | 32 | 35 | 34 | 30 | 33 | 19 |