YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.65 | k | ----- | z | ----- | z | 25.86 | j | 10.30 | -9.41 | b | 0.44 | j | |
1894 | -13.17 | a | -2.68 | 14.04 | e | 32.48 | e | 38.87 | 54.61 | b | ----- | z | ----- | z | ----- | z | ----- | z | 0.29 | p | 8.93 | a | 19.01 | e | ||
1895 | -13.68 | -6.07 | a | 9.23 | 35.17 | 39.87 | 45.87 | 51.79 | b | 47.77 | 40.03 | a | 24.40 | a | 8.07 | a | ----- | z | 25.68 | a | ||||||
1896 | ----- | z | ----- | z | 4.69 | b | 28.83 | 44.52 | 52.73 | 53.03 | 47.16 | 39.10 | 26.10 | b | -1.48 | a | 4.71 | 29.94 | b | |||||||
1897 | -6.94 | -6.68 | -1.87 | 28.83 | 38.13 | 47.87 | 54.94 | 47.76 | b | 46.83 | a | 30.77 | 9.07 | b | -0.19 | 24.04 | ||||||||||
1898 | 0.76 | b | -1.43 | 8.94 | 25.04 | c | 35.23 | 43.36 | p | 52.62 | o | 50.67 | a | 41.40 | 29.03 | b | 11.27 | 2.39 | 20.33 | b | ||||||
1899 | -5.81 | -11.89 | -6.90 | a | 23.10 | a | 37.61 | h | 47.73 | h | 54.00 | k | 51.00 | f | 37.95 | i | 28.55 | i | 22.00 | m | ----- | z | -0.37 | h | ||
1900 | -1.20 | a | -14.46 | b | 7.68 | c | 36.47 | ----- | z | 55.40 | y | 49.58 | 57.13 | 42.80 | ----- | z | ----- | z | ----- | z | 25.43 | e | ||||
1901 | -4.77 | -6.67 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -5.72 | j | |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | 35.47 | o | 43.52 | 50.03 | 57.94 | 51.52 | 40.47 | 32.94 | 17.90 | -7.35 | 35.87 | d | ||||||||
1965 | -11.26 | -3.11 | 5.65 | 31.10 | 40.71 | 50.93 | 55.90 | 52.94 | 36.43 | 34.68 | 16.13 | 9.77 | 26.66 | |||||||||||||
1966 | -17.71 | -4.36 | 22.32 | c | 25.73 | 37.58 | 51.50 | 59.48 | 51.77 | 42.73 | 32.42 | 10.57 | 0.68 | 26.06 | ||||||||||||
1967 | -1.97 | -7.68 | 13.90 | 25.90 | a | 36.10 | 49.17 | 53.23 | 51.61 | 45.93 | 33.00 | 19.17 | a | 4.16 | 26.88 | |||||||||||
1968 | -4.19 | -0.90 | 20.48 | 29.33 | 37.77 | 50.50 | 54.06 | 51.42 | 45.17 | 31.81 | 20.10 | -0.48 | 27.92 | |||||||||||||
1969 | -13.16 | 3.25 | 4.39 | 32.33 | 40.42 | 45.00 | 55.77 | 56.94 | 44.77 | 30.87 | 20.53 | 6.81 | 27.33 | |||||||||||||
1970 | -8.58 | -1.68 | 6.19 | 29.45 | a | 40.87 | 56.17 | 57.67 | a | 52.65 | 43.53 | 30.61 | 17.10 | -4.23 | 26.65 | |||||||||||
1971 | -13.26 | -1.00 | 10.65 | 29.03 | 37.77 | 52.27 | 51.58 | 53.84 | 42.63 | 35.00 | 18.37 | -0.48 | 26.37 | |||||||||||||
1972 | -9.84 | -5.28 | 12.26 | 27.60 | 42.87 | 51.00 | 51.65 | 55.48 | 42.80 | 28.94 | 19.30 | -3.29 | 26.12 | |||||||||||||
1973 | ----- | z | 8.00 | ----- | z | 28.40 | ----- | z | 51.13 | 53.45 | ----- | z | 43.83 | ----- | z | 12.17 | 2.32 | 28.47 | e | |||||||
1974 | -7.90 | -0.21 | 10.68 | 29.20 | e | 40.78 | d | 50.47 | 58.81 | 50.87 | 39.30 | ----- | z | 19.00 | 10.23 | 27.38 | a | |||||||||
1975 | -0.13 | 0.04 | 10.74 | 26.47 | 42.55 | 52.24 | a | 60.65 | 54.19 | 41.93 | 35.90 | 20.23 | 5.26 | 29.17 | ||||||||||||
1976 | -0.39 | 11.97 | 11.90 | 33.10 | 40.61 | 54.37 | 56.26 | 55.29 | 42.63 | 26.39 | 11.07 | -2.13 | a | 28.42 | ||||||||||||
1977 | -11.90 | 8.75 | 21.68 | 33.23 | 51.32 | 52.70 | 59.16 | 47.65 | 45.60 | 33.97 | b | 23.50 | j | -3.68 | 30.77 | a | ||||||||||
1978 | -14.45 | -7.00 | 14.73 | a | 32.27 | 46.00 | 51.40 | 57.35 | 54.42 | 49.37 | 34.55 | 8.36 | b | -2.83 | a | 27.01 | ||||||||||
1979 | -15.20 | a | -11.11 | 9.16 | 23.30 | 37.48 | 51.97 | 59.19 | 53.73 | a | 45.87 | 32.42 | 16.30 | 10.17 | b | 26.11 | ||||||||||
1980 | -3.38 | e | 0.71 | a | 8.87 | 31.77 | 42.77 | 47.59 | a | 54.86 | c | 52.52 | 44.27 | 32.10 | 24.07 | a | 5.16 | 28.44 | ||||||||
1981 | 1.63 | a | 10.26 | a | 24.81 | 32.57 | b | 40.32 | c | 48.60 | 56.93 | a | 57.65 | 43.57 | 36.69 | e | 27.03 | 1.60 | a | 31.81 | ||||||
1982 | -18.97 | a | -6.20 | c | 12.52 | b | 25.79 | b | 46.00 | b | 47.56 | e | 58.67 | d | 55.90 | a | 44.15 | c | 35.47 | a | ----- | z | ----- | z | 30.09 | b |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.65 | 51.26 | 38.60 | 33.03 | b | 23.27 | -11.36 | f | 37.76 | g | ||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.32 | c | 38.15 | c | 33.77 | a | ----- | z | ----- | z | 42.75 | i |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -8.14 | -2.22 | 10.70 | 29.46 | 40.96 | 50.68 | 55.19 | 52.74 | 42.77 | 31.95 | 15.56 | 1.66 | 27.27 | |||||||||||||
S.D. | 6.17 | 6.75 | 7.24 | 3.56 | 3.70 | 2.74 | 4.00 | 3.08 | 2.99 | 3.23 | 6.50 | 5.53 | 1.77 | |||||||||||||
SKEW | 0.00 | 0.46 | -0.16 | -0.01 | 0.88 | -0.20 | -1.25 | -0.25 | -0.12 | -0.78 | -0.58 | -0.08 | 0.86 | |||||||||||||
MAX | 1.63 | 11.97 | 24.81 | 36.47 | 51.32 | 56.17 | 60.65 | 57.65 | 49.37 | 36.69 | 27.03 | 10.23 | 31.81 | |||||||||||||
MIN | -18.97 | -14.46 | -6.90 | 23.10 | 35.23 | 45.00 | 42.65 | 47.16 | 36.43 | 24.40 | -1.48 | -9.41 | 24.04 | |||||||||||||
YRS | 24 | 25 | 24 | 25 | 23 | 23 | 24 | 25 | 26 | 23 | 23 | 23 | 15 |