YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | -5.00 | s | -9.00 | ----- | z | |
1948 | -5.00 | -8.00 | b | -3.00 | s | ----- | 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 | 40.00 | 35.00 | 28.00 | 25.00 | 7.00 | f | ----- | z | ----- | z | ||||
1951 | 6.00 | n | -6.00 | 5.00 | h | 16.00 | i | 17.00 | k | 19.00 | g | 36.00 | 32.00 | e | ----- | z | 20.00 | e | 13.00 | x | -6.00 | j | ----- | 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 | 50.00 | d | 34.00 | 26.00 | 11.00 | c | 8.00 | i | ----- | z | ||
1956 | 9.00 | -5.00 | 4.00 | 15.00 | a | 26.00 | 41.00 | 45.00 | 45.00 | 37.00 | 17.00 | -1.00 | 1.00 | -5.00 | a | |||||||||||
1957 | -0.00 | a | 5.00 | a | 10.00 | 22.00 | 22.00 | 34.00 | a | 46.00 | 40.00 | 37.00 | b | 25.00 | 7.00 | 11.00 | -0.00 | e | ||||||||
1958 | 7.00 | 9.00 | ----- | 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 | 40.00 | 32.00 | 26.00 | a | 6.00 | a | -0.00 | ----- | z | |||
1961 | -0.00 | 5.00 | 5.00 | ----- | z | 21.00 | 36.00 | 44.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1962 | ----- | z | ----- | z | -7.00 | i | ----- | z | ----- | z | ----- | z | 42.00 | u | 41.00 | 37.00 | 27.00 | 7.00 | f | -6.00 | a | ----- | z | |||
1963 | -19.00 | a | 4.00 | b | 1.00 | b | 7.00 | e | ----- | z | 29.00 | d | 45.00 | 38.00 | 35.00 | c | 30.00 | e | 8.00 | e | 1.00 | g | ----- | z | ||
1964 | -16.00 | c | -13.00 | d | -8.00 | c | 10.00 | k | 19.00 | g | 30.00 | 42.00 | b | 35.00 | l | 33.00 | h | ----- | z | 2.00 | o | -0.00 | p | ----- | z | |
1965 | 4.00 | -8.00 | -1.00 | 7.00 | a | 18.00 | o | 30.00 | f | 43.00 | a | 38.00 | 23.00 | e | ----- | z | ----- | z | -1.00 | ----- | z | |||||
1966 | -8.00 | -9.00 | -9.00 | 1.00 | a | 34.00 | w | 41.00 | r | 44.00 | a | 44.00 | i | ----- | z | ----- | z | ----- | z | -10.00 | f | ----- | z | |||
1967 | -3.00 | 2.00 | ----- | z | ----- | z | ----- | z | 31.00 | a | 45.00 | 41.00 | 36.00 | 19.00 | c | 14.00 | -10.00 | ----- | z | |||||||
1968 | -0.00 | 2.00 | 10.00 | 16.00 | ----- | z | ----- | z | 40.00 | 30.00 | 18.00 | 18.00 | 6.00 | -7.00 | k | ----- | z | |||||||||
1969 | -8.00 | b | 3.00 | c | -3.00 | f | 14.00 | f | 26.00 | a | 33.00 | 42.00 | 45.00 | 35.00 | a | 10.00 | a | 3.00 | 5.00 | -8.00 | t | |||||
1970 | -3.00 | 11.00 | 4.00 | 10.00 | 15.00 | ----- | z | 40.00 | 43.00 | 25.00 | b | 10.00 | a | 18.00 | 1.00 | ----- | z | |||||||||
1971 | -20.00 | a | -9.00 | -8.00 | 12.00 | ----- | z | 31.00 | g | 45.00 | 44.00 | 23.00 | -2.00 | e | 6.00 | -3.00 | a | ----- | z | |||||||
1972 | -8.00 | 3.00 | 5.00 | 13.00 | 24.00 | 37.00 | 45.00 | 41.00 | 31.00 | 7.00 | 8.00 | -10.00 | -10.00 | |||||||||||||
1973 | -4.00 | ----- | z | 4.00 | 9.00 | 21.00 | c | ----- | z | 35.00 | 44.00 | k | 28.00 | 20.00 | a | 4.00 | ----- | z | ----- | z | ||||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.00 | 39.00 | ----- | z | 15.00 | ----- | z | ----- | z | ----- | z | |||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.00 | 41.00 | 33.00 | 8.00 | f | 6.00 | -4.00 | ----- | z | |||||
1976 | -14.00 | c | 4.00 | ----- | z | 11.00 | ----- | z | 32.00 | 44.00 | 39.00 | 33.00 | j | ----- | 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 | 9.00 | ----- | z | |
1982 | -7.00 | -8.00 | a | -3.00 | a | 15.00 | a | 24.00 | a | 32.00 | 40.00 | a | 49.00 | a | 32.00 | 17.00 | a | 12.00 | -1.00 | a | -8.00 | h | ||||
1983 | 9.00 | 7.00 | a | 8.00 | 10.00 | 24.00 | b | 35.00 | b | 46.00 | a | 39.00 | 32.00 | 28.00 | a | 4.00 | a | -1.00 | a | -1.00 | i | |||||
1984 | -2.00 | a | 3.00 | d | 5.00 | c | 12.00 | a | 23.00 | 28.00 | a | 43.00 | 42.00 | 32.00 | e | 14.00 | a | 3.00 | b | 7.00 | b | -2.00 | t | |||
1985 | -16.00 | b | -12.00 | c | -0.00 | b | 17.00 | c | 26.00 | 34.00 | 46.00 | 46.00 | 28.00 | c | 24.00 | d | -8.00 | d | 2.00 | -16.00 | u | |||||
1986 | 13.00 | a | -3.00 | d | 14.00 | g | 20.00 | f | 22.00 | a | 35.00 | 46.00 | 48.00 | b | 30.00 | f | 22.00 | e | 15.00 | c | 2.00 | ----- | z | |||
1987 | -2.00 | b | 4.00 | b | 9.00 | d | 19.00 | 27.00 | b | 44.00 | d | 40.00 | 42.00 | g | 36.00 | g | 31.00 | m | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -4.04 | -0.83 | 2.12 | 12.25 | 23.15 | 34.07 | 42.60 | 41.13 | 30.80 | 18.95 | 6.78 | -0.39 | -7.50 | |||||||||||||
S.D. | 9.04 | 7.09 | 6.18 | 5.14 | 3.16 | 4.30 | 3.03 | 4.93 | 5.34 | 7.97 | 6.03 | 6.08 | 3.54 | |||||||||||||
SKEW | -0.03 | -0.21 | -0.55 | -0.17 | -1.20 | 0.82 | -0.90 | -0.27 | -0.80 | -0.87 | -0.35 | 0.06 | 0.00 | |||||||||||||
MAX | 13.00 | 11.00 | 10.00 | 22.00 | 27.00 | 44.00 | 46.00 | 50.00 | 37.00 | 30.00 | 18.00 | 11.00 | -5.00 | |||||||||||||
MIN | -20.00 | -13.00 | -9.00 | 1.00 | 15.00 | 28.00 | 35.00 | 30.00 | 18.00 | -2.00 | -8.00 | -10.00 | -10.00 | |||||||||||||
YRS | 23 | 23 | 17 | 16 | 13 | 15 | 25 | 23 | 20 | 21 | 18 | 18 | 2 |