YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | 34.00 | ----- | 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 | 10.00 | v | -6.00 | -0.00 | ----- | z | ||
1959 | -10.00 | -5.00 | -5.00 | -4.00 | 23.00 | 32.00 | 37.00 | 41.00 | 24.00 | 17.00 | -13.00 | -11.00 | -13.00 | |||||||||||||
1960 | -17.00 | -16.00 | -8.00 | 6.00 | 19.00 | 29.00 | 32.00 | 33.00 | 28.00 | 12.00 | 7.00 | f | 1.00 | -17.00 | f | |||||||||||
1961 | -2.00 | a | -5.00 | 10.00 | 7.00 | 24.00 | a | 30.00 | 34.00 | 39.00 | 25.00 | 15.00 | 2.00 | -15.00 | -15.00 | b | ||||||||||
1962 | -35.00 | -18.00 | -7.00 | 12.00 | 12.00 | 29.00 | 28.00 | a | 33.00 | 27.00 | a | 20.00 | -3.00 | c | -16.00 | -35.00 | e | |||||||||
1963 | -36.00 | a | -13.00 | -9.00 | 13.00 | 25.00 | 31.00 | 39.00 | 39.00 | 30.00 | 24.00 | a | 7.00 | a | -4.00 | -36.00 | c | |||||||||
1964 | -15.00 | -12.00 | -6.00 | -0.00 | 16.00 | 29.00 | 36.00 | 28.00 | 27.00 | 17.00 | -0.00 | -12.00 | -15.00 | |||||||||||||
1965 | -5.00 | -17.00 | -17.00 | -0.00 | d | 18.00 | 28.00 | 38.00 | a | 36.00 | 20.00 | a | 19.00 | 5.00 | -1.00 | -17.00 | f | |||||||||
1966 | -14.00 | -11.00 | -4.00 | -2.00 | 19.00 | a | 30.00 | 40.00 | 32.00 | 26.00 | 12.00 | 2.00 | -18.00 | a | -18.00 | b | ||||||||||
1967 | -14.00 | -12.00 | -11.00 | 12.00 | a | 8.00 | 28.00 | 35.00 | 32.00 | 26.00 | a | 10.00 | -6.00 | -5.00 | b | -14.00 | d | |||||||||
1968 | -8.00 | a | -0.00 | -5.00 | b | 3.00 | 24.00 | a | 30.00 | a | 38.00 | 33.00 | 20.00 | 15.00 | -18.00 | -2.00 | -18.00 | e | ||||||||
1969 | 4.00 | a | 3.00 | -9.00 | 18.00 | a | 22.00 | 30.00 | 42.00 | 36.00 | 34.00 | 5.00 | -3.00 | -3.00 | a | -9.00 | c | |||||||||
1970 | -8.00 | -15.00 | -9.00 | 7.00 | 11.00 | 30.00 | 39.00 | a | 33.00 | 18.00 | 13.00 | 1.00 | -1.00 | -15.00 | a | |||||||||||
1971 | -29.00 | -12.00 | -10.00 | 6.00 | 18.00 | 30.00 | 22.00 | a | 40.00 | c | 12.00 | 8.00 | 3.00 | -2.00 | -29.00 | d | ||||||||||
1972 | -23.00 | -8.00 | -7.00 | 12.00 | 15.00 | 34.00 | 38.00 | 33.00 | 26.00 | 10.00 | -14.00 | -15.00 | -23.00 | |||||||||||||
1973 | -14.00 | a | -3.00 | 5.00 | -5.00 | 9.00 | a | 23.00 | 35.00 | 33.00 | 25.00 | 12.00 | 5.00 | -6.00 | -14.00 | b | ||||||||||
1974 | -22.00 | -18.00 | 2.00 | 3.00 | 18.00 | 27.00 | 33.00 | 30.00 | 18.00 | 23.00 | -12.00 | -14.00 | -22.00 | |||||||||||||
1975 | -22.00 | -18.00 | -13.00 | -5.00 | 8.00 | 19.00 | 31.00 | a | 31.00 | 20.00 | 6.00 | -3.00 | 2.00 | -22.00 | a | |||||||||||
1976 | -18.00 | 2.00 | a | -1.00 | 15.00 | a | 16.00 | 32.00 | 40.00 | 39.00 | 32.00 | 11.00 | -18.00 | -9.00 | a | -18.00 | c | |||||||||
1977 | -10.00 | -0.00 | 8.00 | 3.00 | 26.00 | 30.00 | 39.00 | a | 30.00 | 27.00 | a | ----- | z | ----- | z | 2.00 | a | ----- | z | |||||||
1978 | -1.00 | ----- | z | 2.00 | ----- | z | 9.00 | 30.00 | a | 38.00 | 33.00 | 20.00 | 9.00 | ----- | z | ----- | z | ----- | z | |||||||
1979 | -17.00 | a | 10.00 | d | -1.00 | 2.00 | 15.00 | a | 30.00 | ----- | z | 33.00 | 27.00 | a | -1.00 | -6.00 | -2.00 | a | ----- | z | ||||||
1980 | -5.00 | -0.00 | 2.00 | b | 1.00 | c | 20.00 | ----- | z | ----- | z | ----- | z | 29.00 | 5.00 | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -14.59 | -8.00 | -4.23 | 4.95 | 17.05 | 29.10 | 35.70 | 34.14 | 24.59 | 12.48 | -4.05 | -6.24 | -18.79 | |||||||||||||
S.D. | 10.44 | 8.23 | 6.89 | 6.73 | 5.71 | 3.14 | 4.74 | 3.52 | 5.18 | 6.24 | 7.81 | 6.57 | 7.12 | |||||||||||||
SKEW | -0.40 | 0.45 | 0.39 | 0.24 | -0.16 | -1.79 | -1.34 | 0.50 | -0.48 | -0.02 | -0.46 | -0.43 | -1.06 | |||||||||||||
MAX | 4.00 | 10.00 | 10.00 | 18.00 | 26.00 | 34.00 | 42.00 | 41.00 | 34.00 | 24.00 | 7.00 | 2.00 | -9.00 | |||||||||||||
MIN | -36.00 | -18.00 | -17.00 | -5.00 | 8.00 | 19.00 | 22.00 | 28.00 | 12.00 | -1.00 | -18.00 | -18.00 | -36.00 | |||||||||||||
YRS | 22 | 21 | 22 | 21 | 22 | 21 | 20 | 22 | 22 | 21 | 19 | 21 | 14 |