YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 19.00 | 7.00 | -12.00 | a | ----- | z | ||
1905 | -7.00 | -10.00 | a | 24.00 | 21.00 | b | 31.00 | 36.00 | 41.00 | 42.00 | a | 30.00 | 17.00 | 7.00 | -13.00 | -13.00 | d | |||||||||
1906 | -11.00 | 18.00 | 13.00 | a | 28.00 | a | 33.00 | 31.00 | a | 44.00 | a | 38.00 | 36.00 | a | 16.00 | 4.00 | 9.00 | -11.00 | e | |||||||
1907 | 11.00 | 20.00 | a | 19.00 | 22.00 | 24.00 | 37.00 | 42.00 | a | 44.00 | 31.00 | 24.00 | 9.00 | -3.00 | -3.00 | b | ||||||||||
1908 | -8.00 | -2.00 | 11.00 | d | 22.00 | a | 28.00 | a | 36.00 | j | 44.00 | j | 39.00 | 25.00 | 16.00 | 12.00 | -9.00 | ----- | z | |||||||
1909 | -6.00 | 4.00 | b | 14.00 | c | 17.00 | 19.00 | ----- | z | 40.00 | 48.00 | 27.00 | 18.00 | -0.00 | -15.00 | ----- | z | |||||||||
1910 | -16.00 | -2.00 | 24.00 | 18.00 | 31.00 | h | 39.00 | b | 43.00 | j | 38.00 | 30.00 | 18.00 | g | 20.00 | a | -0.00 | ----- | z | |||||||
1911 | -7.00 | f | 14.00 | n | 23.00 | j | 19.00 | 24.00 | b | 36.00 | a | 39.00 | 41.00 | b | 31.00 | 15.00 | -3.00 | a | -14.00 | a | ----- | z | ||||
1912 | -16.00 | 9.00 | 18.00 | 23.00 | 30.00 | 32.00 | 41.00 | 42.00 | b | 22.00 | b | 22.00 | a | 12.00 | a | -4.00 | c | -16.00 | i | |||||||
1913 | ----- | z | 4.00 | a | 9.00 | 19.00 | 29.00 | 37.00 | a | 41.00 | a | 40.00 | 28.00 | 14.00 | a | 17.00 | -8.00 | c | ----- | z | ||||||
1914 | -12.00 | c | -1.00 | g | 12.00 | a | 25.00 | ----- | 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 | ----- | 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 | ----- | 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 | 23.00 | 38.00 | 50.00 | 46.00 | 30.00 | 29.00 | 16.00 | 6.00 | ----- | z | ||||||||
1966 | -6.00 | -0.00 | 4.00 | 17.00 | 33.00 | 38.00 | 52.00 | 48.00 | 39.00 | 27.00 | 18.00 | 2.00 | -6.00 | |||||||||||||
1967 | -3.00 | 10.00 | 13.00 | 25.00 | 29.00 | 40.00 | 54.00 | 47.00 | 38.00 | 24.00 | 9.00 | -11.00 | -11.00 | |||||||||||||
1968 | -16.00 | 7.00 | 20.00 | 21.00 | 22.00 | 37.00 | 40.00 | 40.00 | 31.00 | 23.00 | 9.00 | -16.00 | -16.00 | |||||||||||||
1969 | -5.00 | -1.00 | 12.00 | 24.00 | 32.00 | 42.00 | 45.00 | 50.00 | 38.00 | 23.00 | 9.00 | 3.00 | -5.00 | |||||||||||||
1970 | -4.00 | 15.00 | 17.00 | 15.00 | 27.00 | 36.00 | 46.00 | 50.00 | 31.00 | 17.00 | 15.00 | 3.00 | -4.00 | |||||||||||||
1971 | -18.00 | 5.00 | 9.00 | a | 15.00 | 31.00 | 38.00 | 45.00 | a | 47.00 | 24.00 | a | 16.00 | 12.00 | -8.00 | -18.00 | c | |||||||||
1972 | -8.00 | -1.00 | 15.00 | 22.00 | 23.00 | 44.00 | 42.00 | 46.00 | 31.00 | 17.00 | 11.00 | -13.00 | -13.00 | |||||||||||||
1973 | -17.00 | -5.00 | 22.00 | 16.00 | 29.00 | 32.00 | 46.00 | 43.00 | 29.00 | 23.00 | 4.00 | -3.00 | -17.00 | |||||||||||||
1974 | -15.00 | -10.00 | 12.00 | 19.00 | 26.00 | 33.00 | 48.00 | 44.00 | 29.00 | 25.00 | 8.00 | -10.00 | -15.00 | |||||||||||||
1975 | -13.00 | -6.00 | 4.00 | 12.00 | 27.00 | 34.00 | 51.00 | 40.00 | 30.00 | 12.00 | -3.00 | -5.00 | a | -13.00 | a | |||||||||||
1976 | -12.00 | 8.00 | 7.00 | 21.00 | 32.00 | 32.00 | 51.00 | 46.00 | 32.00 | 17.00 | -6.00 | -3.00 | -12.00 | |||||||||||||
1977 | -14.00 | 8.00 | 10.00 | 21.00 | 29.00 | 46.00 | 49.00 | 45.00 | 31.00 | 24.00 | 4.00 | -3.00 | -14.00 | |||||||||||||
1978 | 5.00 | 6.00 | 18.00 | 21.00 | 30.00 | 38.00 | 40.00 | 36.00 | 25.00 | 16.00 | 11.00 | -20.00 | -20.00 | |||||||||||||
1979 | -22.00 | -15.00 | 7.00 | 16.00 | 29.00 | 37.00 | 49.00 | 44.00 | 36.00 | 22.00 | 4.00 | 4.00 | -22.00 | |||||||||||||
1980 | 2.00 | 5.00 | 15.00 | 21.00 | 30.00 | 37.00 | 45.00 | 43.00 | 33.00 | 19.00 | 14.00 | 15.00 | 2.00 | |||||||||||||
1981 | 14.00 | 3.00 | 20.00 | 21.00 | 33.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -8.21 | 2.92 | 13.96 | 20.04 | 28.12 | 36.96 | 45.26 | 43.48 | 30.68 | 19.80 | 8.46 | -4.92 | -11.76 | |||||||||||||
S.D. | 9.07 | 8.66 | 5.74 | 3.63 | 3.80 | 3.76 | 4.50 | 3.85 | 4.35 | 4.42 | 6.65 | 8.52 | 6.53 | |||||||||||||
SKEW | 0.91 | -0.03 | 0.06 | -0.09 | -0.68 | 0.52 | 0.30 | -0.08 | 0.14 | 0.27 | -0.41 | 0.37 | 0.49 | |||||||||||||
MAX | 14.00 | 20.00 | 24.00 | 28.00 | 33.00 | 46.00 | 54.00 | 50.00 | 39.00 | 29.00 | 20.00 | 15.00 | 2.00 | |||||||||||||
MIN | -22.00 | -15.00 | 4.00 | 12.00 | 19.00 | 31.00 | 39.00 | 36.00 | 22.00 | 12.00 | -6.00 | -20.00 | -22.00 | |||||||||||||
YRS | 24 | 24 | 25 | 26 | 25 | 23 | 23 | 25 | 25 | 25 | 26 | 26 | 17 |