YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 10.00 | y | 10.00 | 31.00 | 42.00 | 53.00 | 42.00 | 31.00 | 20.00 | 14.00 | 5.00 | ----- | z | |||||||||
1921 | 7.00 | 8.00 | 18.00 | 12.00 | 31.00 | a | 38.00 | 32.00 | 46.00 | 39.00 | 26.00 | 13.00 | 8.00 | 7.00 | a | |||||||||||
1922 | -1.00 | 1.00 | 2.00 | 15.00 | 22.00 | 33.00 | 38.00 | d | 52.00 | 46.00 | a | 23.00 | 12.00 | 10.00 | a | -1.00 | f | |||||||||
1923 | 6.00 | 2.00 | 11.00 | 22.00 | 27.00 | a | 32.00 | b | 54.00 | 50.00 | 32.00 | 27.00 | 20.00 | 2.00 | a | 2.00 | d | |||||||||
1924 | -1.00 | a | 16.00 | a | 8.00 | 18.00 | a | 34.00 | 38.00 | 48.00 | 39.00 | 28.00 | 22.00 | 8.00 | -10.00 | a | -10.00 | d | ||||||||
1925 | 1.00 | 7.00 | 15.00 | 25.00 | 35.00 | 47.00 | o | 52.00 | c | 47.00 | 35.00 | 28.00 | 18.00 | 14.00 | 1.00 | r | ||||||||||
1926 | 6.00 | 12.00 | 15.00 | 24.00 | 30.00 | 42.00 | 52.00 | 50.00 | 38.00 | 26.00 | 19.00 | 2.00 | 2.00 | |||||||||||||
1927 | 11.00 | 10.00 | 9.00 | 19.00 | 29.00 | 41.00 | 48.00 | 48.00 | 31.00 | a | 30.00 | 18.00 | -0.00 | a | -0.00 | b | ||||||||||
1928 | 8.00 | 11.00 | 20.00 | 17.00 | 34.00 | 37.00 | 43.00 | 47.00 | 36.00 | 32.00 | a | 16.00 | a | 6.00 | a | 6.00 | c | |||||||||
1929 | 1.00 | a | -3.00 | 12.00 | a | 15.00 | 26.00 | 32.00 | 51.00 | a | 52.00 | 35.00 | 24.00 | 13.00 | 10.00 | -3.00 | c | |||||||||
1930 | -7.00 | 10.00 | ----- | 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 | 37.00 | 45.00 | 48.00 | e | 51.00 | k | 32.00 | i | 22.00 | j | 5.00 | j | 15.00 | i | ----- | z | ||
1959 | -1.00 | i | 4.00 | f | 10.00 | h | 19.00 | j | 28.00 | e | 43.00 | d | 44.00 | c | 46.00 | d | 30.00 | c | 29.00 | r | 12.00 | d | 10.00 | e | ----- | z |
1960 | -2.00 | c | 4.00 | f | 10.00 | b | 20.00 | c | 29.00 | b | 43.00 | d | 52.00 | b | 40.00 | d | 39.00 | d | 25.00 | b | 19.00 | c | 6.00 | c | ----- | z |
1961 | 12.00 | d | 11.00 | a | 9.00 | 22.00 | 30.00 | a | ----- | z | 50.00 | a | 48.00 | d | 30.00 | 28.00 | 5.00 | -2.00 | a | ----- | z | |||||
1962 | -1.00 | -11.00 | b | ----- | z | 20.00 | 33.00 | 34.00 | a | 52.00 | a | 47.00 | a | 35.00 | 25.00 | 16.00 | -2.00 | ----- | z | |||||||
1963 | -16.00 | 13.00 | a | 10.00 | a | 20.00 | b | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | 20.00 | u | 32.00 | 40.00 | 44.00 | a | 47.00 | 38.00 | a | 25.00 | a | 22.00 | -0.00 | ----- | z | |||||
1967 | -4.00 | 10.00 | 12.00 | b | 17.00 | 22.00 | a | 38.00 | 52.00 | 50.00 | a | 35.00 | 19.00 | 12.00 | -6.00 | -6.00 | d | |||||||||
1968 | 2.00 | 12.00 | 15.00 | a | 16.00 | 20.00 | 33.00 | 32.00 | 35.00 | 29.00 | 22.00 | 14.00 | a | -5.00 | -5.00 | b | ||||||||||
1969 | 2.00 | 5.00 | 7.00 | 22.00 | 38.00 | 42.00 | 54.00 | 49.00 | 38.00 | 20.00 | 6.00 | 4.00 | 2.00 | |||||||||||||
1970 | 1.00 | 18.00 | 18.00 | 17.00 | 38.00 | a | 34.00 | 50.00 | 46.00 | 31.00 | 16.00 | 18.00 | 2.00 | 1.00 | a | |||||||||||
1971 | -12.00 | b | 10.00 | -0.00 | 30.00 | 32.00 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 14.00 | h | -0.00 | ----- | z | ||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | m | 46.00 | g | 48.00 | n | 44.00 | i | 35.00 | j | 15.00 | h | 20.00 | x | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.00 | m | 45.00 | n | 46.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | 17.00 | t | 15.00 | i | 27.00 | i | 30.00 | j | 51.00 | o | 44.00 | e | 33.00 | d | 29.00 | a | 17.00 | d | -0.00 | e | ----- | z |
1975 | -7.00 | a | -0.00 | 2.00 | 4.00 | a | 20.00 | 34.00 | 48.00 | 44.00 | 36.00 | 10.00 | c | 5.00 | 5.00 | -7.00 | e | |||||||||
1976 | -4.00 | b | 10.00 | a | 8.00 | 15.00 | 32.00 | 28.00 | g | 37.00 | k | 40.00 | 40.00 | c | 22.00 | -1.00 | 8.00 | -4.00 | x | |||||||
1977 | -7.00 | 8.00 | a | 8.00 | 14.00 | 26.00 | a | 48.00 | d | 48.00 | 44.00 | 33.00 | a | 27.00 | b | 4.00 | 2.00 | -7.00 | i | |||||||
1978 | 6.00 | 2.00 | 11.00 | 22.00 | c | 27.00 | 39.00 | 45.00 | 38.00 | 28.00 | 30.00 | 14.00 | -12.00 | -12.00 | c | |||||||||||
1979 | -15.00 | d | -4.00 | e | 6.00 | 11.00 | 25.00 | 30.00 | 47.00 | b | 44.00 | 38.00 | 19.00 | 1.00 | 4.00 | b | -15.00 | m | ||||||||
1980 | 6.00 | b | 2.00 | a | 8.00 | 13.00 | 23.00 | 36.00 | a | 46.00 | 36.00 | 36.00 | 23.00 | 15.00 | a | 16.00 | 2.00 | e | ||||||||
1981 | 9.00 | 7.00 | 17.00 | 18.00 | 25.00 | c | 31.00 | 52.00 | 47.00 | 37.00 | 22.00 | 12.00 | 1.00 | 1.00 | c | |||||||||||
1982 | -7.00 | -11.00 | 11.00 | d | 14.00 | a | 27.00 | 30.00 | b | 35.00 | 48.00 | 31.00 | 21.00 | a | 10.00 | -0.00 | -11.00 | h | ||||||||
1983 | 7.00 | 9.00 | a | 12.00 | b | 16.00 | c | 28.00 | b | 35.00 | b | 42.00 | c | 49.00 | b | 31.00 | a | 30.00 | b | 6.00 | a | -5.00 | b | -5.00 | u | |
1984 | -11.00 | 6.00 | a | 9.00 | b | 18.00 | 24.00 | a | 30.00 | a | 49.00 | a | 47.00 | 25.00 | 13.00 | b | 5.00 | 4.00 | a | -11.00 | i | |||||
1985 | -0.00 | a | -17.00 | -1.00 | 25.00 | a | 27.00 | 32.00 | a | 47.00 | a | 37.00 | 24.00 | a | 25.00 | h | -0.00 | 1.00 | -17.00 | m | ||||||
1986 | 10.00 | -0.00 | 15.00 | 18.00 | a | 28.00 | 41.00 | a | 47.00 | 50.00 | 32.00 | a | 24.00 | 14.00 | 5.00 | -0.00 | c | |||||||||
1987 | 4.00 | 5.00 | 11.00 | 16.00 | a | 31.00 | 35.00 | a | 41.00 | 40.00 | 37.00 | a | 32.00 | 14.00 | a | 3.00 | 3.00 | d | ||||||||
1988 | -1.00 | a | 8.00 | 7.00 | 20.00 | a | 23.00 | 34.00 | 51.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.09 | 5.22 | 10.16 | 17.73 | 28.69 | 36.84 | 46.88 | 45.12 | 33.85 | 23.87 | 11.85 | 2.53 | -0.80 | |||||||||||||
S.D. | 7.42 | 7.90 | 5.15 | 5.00 | 4.83 | 4.88 | 5.91 | 4.68 | 4.65 | 5.20 | 6.11 | 6.09 | 5.43 | |||||||||||||
SKEW | -0.43 | -1.05 | -0.25 | -0.15 | 0.12 | 0.38 | -1.14 | -0.62 | 0.09 | -0.65 | -0.50 | -0.15 | -0.69 | |||||||||||||
MAX | 12.00 | 18.00 | 20.00 | 30.00 | 38.00 | 48.00 | 54.00 | 52.00 | 46.00 | 32.00 | 22.00 | 16.00 | 7.00 | |||||||||||||
MIN | -16.00 | -17.00 | -1.00 | 4.00 | 20.00 | 30.00 | 32.00 | 35.00 | 24.00 | 10.00 | -1.00 | -12.00 | -12.00 | |||||||||||||
YRS | 33 | 32 | 31 | 33 | 35 | 31 | 33 | 33 | 33 | 31 | 33 | 34 | 15 |