YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.32 | 35.63 | 27.39 | 16.33 | 11.10 | b | 26.16 | g | ||||
1916 | ----- | z | 12.36 | a | ----- | z | ----- | z | 27.23 | 34.80 | 43.16 | 42.84 | 35.13 | 29.97 | b | 15.60 | 7.33 | a | 27.60 | c | ||||||
1917 | 6.19 | 11.00 | 7.03 | 18.80 | 25.86 | b | 33.40 | 43.42 | 39.61 | 36.53 | 24.97 | 21.70 | 13.74 | 23.52 | ||||||||||||
1918 | 6.84 | 10.86 | 17.65 | 18.40 | 28.80 | a | 40.80 | 43.55 | 42.17 | a | 36.80 | 29.96 | c | 14.00 | 9.10 | 24.91 | ||||||||||
1919 | 3.94 | ----- | z | 13.35 | 23.87 | 32.06 | 36.60 | 46.65 | 42.68 | 38.60 | 23.29 | 16.27 | 9.55 | 26.08 | a | |||||||||||
1920 | 10.19 | 10.62 | 11.13 | a | 14.48 | a | 29.48 | 36.53 | 43.47 | a | 40.81 | d | 34.15 | d | 24.87 | a | 15.52 | a | 8.65 | 23.33 | ||||||
1921 | 10.42 | 8.00 | ----- | z | ----- | z | 32.67 | m | ----- | z | 44.24 | b | ----- | z | ----- | z | ----- | z | 19.88 | m | ----- | z | 20.89 | i | ||
1922 | ----- | z | ----- | z | 14.37 | d | 19.36 | e | 27.81 | 34.07 | a | ----- | z | ----- | z | 38.53 | ----- | z | ----- | z | ----- | z | 26.83 | g | ||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | 8.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.55 | k | |
1925 | ----- | z | 7.36 | 16.34 | b | 24.76 | a | 32.13 | 27.12 | v | 46.11 | c | 43.40 | a | 37.60 | 26.71 | 14.00 | 9.57 | a | 25.80 | b | |||||
1926 | 7.90 | a | 11.46 | b | 12.83 | a | 23.00 | 28.71 | 35.20 | 40.32 | 40.45 | 35.27 | 27.94 | 18.86 | a | 7.25 | c | 24.10 | ||||||||
1927 | 13.06 | 12.69 | b | ----- | z | 21.03 | a | 29.81 | 36.73 | ----- | z | 40.90 | ----- | z | 27.03 | 19.86 | b | 3.00 | e | 22.68 | c | |||||
1928 | 6.79 | c | 7.59 | 14.97 | b | 17.79 | b | 31.48 | 34.27 | 40.58 | 39.13 | 34.27 | 28.67 | d | 15.71 | b | 4.07 | b | 22.94 | |||||||
1929 | 4.80 | a | 3.22 | a | 9.06 | 15.83 | a | 27.81 | 34.53 | 43.45 | 42.13 | 35.23 | 26.45 | 12.48 | a | 10.10 | 22.09 | |||||||||
1930 | 3.04 | d | 10.81 | a | 11.48 | 24.57 | 26.06 | 34.83 | 42.00 | 40.48 | 33.00 | 25.29 | 13.24 | a | 3.16 | 22.33 | ||||||||||
1931 | 4.20 | a | 10.71 | 10.00 | 20.60 | 26.71 | 37.45 | a | 42.71 | 40.71 | 38.07 | 30.84 | 14.43 | b | 6.84 | 23.61 | ||||||||||
1932 | 2.32 | 12.93 | a | 10.06 | 20.34 | a | 28.26 | 34.27 | 41.81 | 41.48 | 33.00 | 25.61 | 18.13 | 3.03 | 22.60 | |||||||||||
1933 | 5.32 | -2.21 | 13.61 | 14.87 | 23.48 | 36.73 | 43.10 | 42.39 | 38.60 | 29.23 | 20.03 | 12.97 | 23.18 | |||||||||||||
1934 | 7.10 | 14.29 | 18.19 | 16.40 | 21.35 | 24.23 | 34.71 | 36.90 | 26.47 | 22.00 | 16.33 | 9.10 | 20.59 | |||||||||||||
1935 | 9.55 | 8.71 | 10.00 | e | 20.40 | 27.29 | 34.93 | 42.32 | 42.19 | 34.47 | 26.58 | 15.27 | 6.81 | 23.21 | ||||||||||||
1936 | 5.00 | 9.83 | 13.71 | 20.07 | 30.45 | 38.10 | 42.13 | 42.53 | a | 34.60 | 25.48 | 14.63 | 8.90 | 23.79 | ||||||||||||
1937 | -1.28 | b | 4.11 | 11.29 | 18.53 | 30.42 | 35.00 | 41.87 | 41.29 | 35.93 | 28.26 | 18.03 | 10.32 | 22.82 | ||||||||||||
1938 | 6.41 | b | 9.88 | b | 15.10 | 20.27 | 27.52 | 37.23 | 37.94 | 40.52 | 34.20 | 27.39 | 9.60 | 9.10 | 22.93 | |||||||||||
1939 | 6.40 | a | -1.68 | 12.13 | 22.40 | 27.94 | 33.27 | 39.87 | a | 38.42 | 37.73 | 23.32 | 16.10 | 11.35 | 22.27 | |||||||||||
1940 | 5.52 | 7.79 | 11.10 | 19.73 | 27.94 | 34.40 | 39.58 | 37.68 | 35.20 | 25.35 | 12.03 | 10.32 | 22.22 | |||||||||||||
1941 | 4.90 | 9.39 | 10.87 | 15.67 | 28.06 | 31.23 | 36.00 | 36.29 | 30.30 | 24.19 | 13.17 | a | 7.29 | 20.61 | ||||||||||||
1942 | 3.00 | 0.11 | 3.55 | 20.40 | 21.42 | 29.67 | 36.00 | 36.71 | 29.39 | b | 22.06 | 15.33 | 5.68 | 18.61 | ||||||||||||
1943 | 3.16 | 5.29 | 6.23 | a | 20.03 | 25.03 | 31.04 | c | 36.10 | 38.71 | 28.87 | 20.45 | 10.07 | 3.94 | 19.08 | |||||||||||
1944 | 1.71 | 3.31 | 4.68 | 12.77 | 22.90 | 30.07 | 35.23 | 33.84 | 29.10 | 23.03 | 10.17 | 3.03 | 17.49 | |||||||||||||
1945 | 1.00 | 5.33 | a | ----- | z | 10.20 | 22.16 | 25.72 | a | 34.93 | a | 36.58 | 27.37 | 21.03 | 8.13 | -0.52 | 17.45 | a | ||||||||
1946 | -4.52 | -0.04 | 8.94 | 19.33 | 20.16 | 27.80 | 34.65 | 35.65 | 28.03 | 19.20 | a | 7.03 | 5.35 | 16.80 | ||||||||||||
1947 | -4.71 | 2.00 | 4.29 | 13.67 | 26.26 | 28.93 | 36.97 | 38.87 | 33.97 | a | 26.77 | a | 12.60 | 8.52 | 19.01 | |||||||||||
1948 | 10.93 | a | 16.96 | b | 16.27 | a | 31.17 | a | 38.60 | a | 40.90 | a | 45.41 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.61 | e |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 4.97 | 7.71 | 11.42 | 19.27 | 27.44 | 33.89 | 40.63 | 39.85 | 34.00 | 25.63 | 14.64 | 7.54 | 21.83 | |||||||||||||
S.D. | 4.19 | 4.84 | 3.95 | 4.19 | 3.80 | 3.99 | 3.68 | 2.49 | 3.57 | 2.97 | 3.53 | 3.36 | 2.22 | |||||||||||||
SKEW | -0.49 | -0.45 | -0.30 | 0.34 | 0.37 | -0.60 | -0.32 | -0.63 | -0.66 | -0.30 | -0.20 | -0.38 | -0.93 | |||||||||||||
MAX | 13.06 | 16.96 | 18.19 | 31.17 | 38.60 | 40.90 | 46.65 | 43.40 | 38.60 | 30.84 | 21.70 | 13.74 | 24.91 | |||||||||||||
MIN | -4.71 | -2.21 | 3.55 | 10.20 | 20.16 | 24.23 | 34.65 | 33.84 | 26.47 | 19.20 | 7.03 | -0.52 | 16.80 | |||||||||||||
YRS | 28 | 30 | 27 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 23 |