YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.33 | 0.33 | k | |
1897 | 2.30 | 0.00 | 0.50 | 0.55 | 1.70 | 1.81 | 5.15 | 3.56 | 2.72 | 1.70 | 0.78 | 0.30 | a | 21.07 | ||||||||||||
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1900 | ----- | z | ----- | z | 0.48 | 0.90 | a | 1.09 | 1.26 | b | 1.98 | 2.18 | 6.06 | 1.43 | 0.40 | 0.36 | 16.14 | b | ||||||||
1901 | 0.10 | ----- | z | 0.44 | e | 0.90 | 0.64 | 1.34 | 3.12 | 1.85 | 2.00 | 1.76 | 2.85 | 0.95 | 15.95 | a | ||||||||||
1902 | 0.05 | a | 0.38 | 0.22 | ----- | z | 1.88 | 0.24 | 2.28 | 1.87 | 0.48 | 1.81 | 0.16 | 0.57 | 9.94 | a | ||||||||||
1903 | 0.36 | 0.75 | 0.17 | 0.20 | 0.38 | 3.41 | 0.62 | 1.55 | 1.55 | 0.48 | 0.00 | 0.05 | 9.52 | |||||||||||||
1904 | 0.02 | ----- | z | 0.03 | 0.15 | 0.14 | ----- | z | 2.87 | 2.92 | 6.06 | 2.68 | 0.08 | 0.35 | 15.30 | b | ||||||||||
1905 | 0.40 | 1.32 | ----- | z | 2.04 | 0.00 | 2.79 | 5.62 | a | 2.12 | 0.00 | j | 0.00 | 0.60 | g | 1.80 | 16.09 | c | ||||||||
1906 | 0.35 | 0.35 | 0.00 | 1.40 | 0.02 | 0.25 | 4.38 | 4.34 | 1.95 | 1.45 | 0.86 | 1.68 | 17.03 | |||||||||||||
1907 | 0.25 | 0.52 | 0.00 | 0.15 | 0.20 | 3.35 | 2.74 | 4.58 | 1.85 | 2.64 | 0.99 | 0.02 | 17.29 | |||||||||||||
1908 | 0.15 | 0.60 | 0.15 | 1.15 | 0.48 | 0.19 | 2.49 | 6.46 | 1.32 | 0.05 | 0.75 | 0.00 | 13.79 | |||||||||||||
1909 | 0.18 | 0.20 | 2.02 | 0.00 | ----- | z | 0.67 | 3.28 | 3.54 | 0.59 | 0.82 | 0.00 | 0.25 | 11.55 | a | |||||||||||
1910 | 0.10 | 0.37 | 0.35 | 0.44 | 0.18 | 2.85 | 1.57 | 4.57 | 0.90 | 0.56 | 0.77 | 0.23 | 12.89 | |||||||||||||
1911 | 0.15 | 1.82 | 0.80 | 1.99 | 0.75 | 3.11 | 5.62 | 1.83 | 1.50 | 2.28 | 0.16 | 0.47 | 20.48 | |||||||||||||
1912 | 0.00 | 0.53 | 0.34 | 0.69 | 0.57 | 5.09 | 0.00 | v | 4.90 | b | 2.24 | 1.18 | 0.25 | 0.12 | 15.91 | a | ||||||||||
1913 | 1.04 | a | 0.34 | 0.71 | 1.13 | 0.08 | 2.81 | 2.07 | 1.37 | 3.57 | 0.70 | 0.88 | 1.50 | 16.20 | ||||||||||||
1914 | 0.21 | 0.28 | 0.20 | 0.90 | 1.12 | 1.85 | 4.84 | 2.29 | 0.80 | 2.62 | 0.14 | 1.35 | 16.60 | |||||||||||||
1915 | 0.60 | 1.33 | 1.40 | 3.93 | 0.87 | 0.20 | 5.30 | q | 1.65 | 3.05 | 0.50 | 0.00 | 1.19 | x | 13.53 | b | ||||||||||
1916 | 1.81 | 0.21 | 0.75 | 1.60 | 0.00 | 0.08 | 2.65 | 4.16 | 1.78 | 1.35 | ----- | z | 0.19 | 14.58 | a | |||||||||||
1917 | 0.49 | 0.56 | 0.31 | 0.08 | 0.74 | 0.48 | 1.59 | 4.38 | 0.81 | 0.00 | 0.35 | 0.00 | 9.79 | |||||||||||||
1918 | 1.09 | 0.11 | 0.00 | 0.02 | 0.30 | 0.53 | 4.32 | 4.10 | 0.77 | 2.40 | 0.35 | 1.18 | 15.17 | |||||||||||||
1919 | 0.23 | 0.05 | 2.40 | 2.17 | 2.04 | 3.44 | 4.17 | 1.15 | 6.12 | 0.30 | 0.88 | 0.16 | 23.11 | |||||||||||||
1920 | 0.28 | 0.28 | 0.20 | ----- | z | 1.61 | 0.54 | 3.37 | 4.00 | 1.71 | 1.86 | 0.00 | 0.08 | 13.93 | a | |||||||||||
1921 | 0.22 | 0.00 | a | 0.65 | 0.45 | 3.17 | 3.02 | 6.47 | 2.84 | t | 1.81 | 0.19 | 0.09 | 0.06 | 16.13 | a | ||||||||||
1922 | 0.34 | 0.17 | 0.23 | 0.65 | 1.15 | 2.57 | 1.23 | 0.60 | 0.93 | 0.00 | 0.81 | 0.10 | 8.78 | |||||||||||||
1923 | 0.46 | 1.25 | 0.45 | 1.35 | 0.15 | 0.48 | 3.27 | 2.37 | 0.94 | 1.40 | 1.58 | 1.29 | 14.99 | |||||||||||||
1924 | 0.10 | 0.50 | 0.49 | 0.49 | 0.44 | 0.35 | 4.10 | 2.48 | 0.05 | 0.40 | 0.06 | 0.30 | 9.76 | |||||||||||||
1925 | 0.10 | 0.03 | 0.02 | 0.04 | 2.91 | 0.46 | 5.16 | 4.59 | 2.34 | 0.95 | 0.00 | 0.28 | 16.88 | |||||||||||||
1926 | 1.37 | a | 0.03 | 3.53 | 0.95 | 2.57 | 1.17 | 2.38 | 2.63 | 4.48 | 1.47 | ----- | z | 0.30 | 20.88 | a | ||||||||||
1927 | 0.12 | 0.38 | 0.25 | 0.00 | 0.00 | 1.49 | 3.53 | 3.57 | 2.92 | 0.00 | 0.00 | 0.00 | 12.26 | |||||||||||||
1928 | 0.00 | ----- | z | 0.11 | 0.15 | 1.61 | 0.00 | 0.86 | 3.46 | 0.09 | 1.85 | 0.53 | 0.23 | 8.89 | a | |||||||||||
1929 | 0.41 | 1.14 | 0.43 | 0.00 | 2.33 | 0.32 | 4.30 | 1.70 | 2.48 | ----- | z | 0.31 | 0.00 | 13.42 | a | |||||||||||
1930 | 0.67 | 0.39 | a | 1.05 | 0.54 | 0.80 | 1.11 | 4.29 | 1.61 | 0.03 | 1.69 | 0.82 | a | 0.26 | 13.26 | |||||||||||
1931 | 1.30 | 1.96 | a | 2.23 | 1.90 | r | 1.02 | 1.18 | 1.83 | 2.27 | 4.18 | 0.53 | 0.48 | 1.32 | 18.30 | a | ||||||||||
1932 | 0.66 | 0.34 | a | 1.38 | a | 0.04 | 1.72 | 1.26 | 2.16 | 3.65 | 3.26 | 2.35 | 0.00 | 0.98 | a | 17.80 | ||||||||||
1933 | 0.18 | 0.76 | 0.02 | 0.51 | 0.47 | 2.41 | 1.21 | 1.32 | 1.40 | 0.28 | 0.58 | 0.00 | 9.14 | |||||||||||||
1934 | 0.22 | 0.39 | 0.33 | 0.36 | 0.77 | 0.15 | 0.55 | 3.83 | 0.48 | 0.36 | 1.05 | 0.19 | 8.68 | |||||||||||||
1935 | 0.15 | 0.25 | 0.11 | 0.64 | 1.92 | 1.29 | 1.03 | 4.05 | 2.91 | 0.05 | 0.75 | 0.59 | 13.74 | |||||||||||||
1936 | 1.41 | 0.36 | 0.31 | 1.01 | 1.88 | 1.05 | 4.22 | 1.93 | 4.03 | 0.39 | 0.47 | 0.64 | b | 17.70 | ||||||||||||
1937 | 0.03 | 1.26 | 1.75 | 0.25 | 4.19 | 1.25 | 1.06 | 2.89 | 3.27 | 0.72 | 0.18 | 0.06 | 16.91 | |||||||||||||
1938 | 1.25 | 0.91 | 0.43 | 0.15 | 0.07 | 2.90 | 4.43 | 0.95 | 3.23 | 0.55 | 0.25 | 0.35 | 15.47 | |||||||||||||
1939 | 1.30 | 0.51 | 0.89 | 0.66 | 1.15 | 2.30 | 2.35 | 1.27 | 2.89 | 0.58 | 0.37 | 0.37 | 14.64 | |||||||||||||
1940 | 0.18 | 1.26 | 0.02 | 0.40 | 2.20 | 0.50 | 2.76 | 3.10 | 1.04 | 0.73 | 0.59 | a | 0.40 | a | 13.18 | |||||||||||
1941 | 1.08 | a | 0.93 | b | 3.00 | 2.09 | 3.61 | 1.42 | 3.43 | 1.37 | 6.79 | 1.47 | 0.44 | ----- | z | 25.63 | a | |||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.12 | 1.05 | a | 1.88 | b | 3.05 | i | |
1944 | 0.28 | a | 0.35 | 0.12 | 0.10 | 0.40 | 0.45 | 2.19 | 2.66 | 3.09 | 0.90 | 1.06 | 0.77 | 12.37 | ||||||||||||
1945 | 0.51 | 0.22 | 0.76 | 0.26 | 0.00 | 0.00 | 0.95 | 1.30 | 0.73 | 0.67 | 0.00 | 0.66 | 6.06 | |||||||||||||
1946 | 1.15 | 0.08 | 0.58 | a | 0.14 | 0.86 | 0.86 | 2.16 | 2.87 | 2.97 | 0.20 | 0.52 | 0.37 | 12.76 | ||||||||||||
1947 | 0.95 | a | 0.13 | 0.47 | 0.67 | a | 1.20 | 0.42 | ----- | z | 1.85 | r | 0.34 | x | ----- | z | 0.88 | y | ----- | z | 3.84 | f | ||||
1948 | 0.42 | 1.58 | 1.27 | 0.53 | 2.07 | 2.45 | 2.87 | 1.06 | 1.40 | 1.02 | 0.13 | 0.55 | 15.35 | |||||||||||||
1949 | 0.93 | 0.15 | 0.28 | 1.24 | 0.22 | 1.50 | 4.05 | 2.32 | 3.09 | 1.59 | 0.09 | 1.45 | 16.91 | |||||||||||||
1950 | 0.00 | 0.15 | 0.10 | 0.10 | 0.00 | 1.69 | 4.86 | 1.43 | 4.98 | 0.60 | 0.00 | 0.00 | 13.91 | |||||||||||||
1951 | 0.68 | 0.50 | 0.93 | 0.97 | 0.27 | 0.23 | 1.53 | 3.75 | 0.00 | 0.98 | 0.13 | 0.73 | 10.70 | |||||||||||||
1952 | 0.38 | 0.45 | 0.85 | 0.56 | 0.27 | 1.38 | 4.36 | 2.00 | 1.11 | 0.00 | 0.92 | 0.32 | 12.60 | |||||||||||||
1953 | 0.29 | 1.00 | 0.23 | 0.25 | 1.01 | 1.05 | ----- | z | 4.42 | 0.10 | 0.18 | 0.13 | 0.70 | 9.36 | a | |||||||||||
1954 | 0.37 | 0.00 | 0.00 | 0.11 | 2.79 | 0.15 | 2.74 | 2.57 | 3.57 | 1.75 | 0.06 | 0.15 | 14.26 | |||||||||||||
1955 | 0.34 | 0.00 | 0.69 | 1.86 | 0.27 | 0.77 | 4.94 | 2.08 | 2.56 | 0.84 | 0.00 | 0.14 | 14.49 | |||||||||||||
1956 | 0.10 | 1.64 | 0.00 | 0.04 | a | 0.92 | 0.66 | 3.54 | 1.37 | 0.00 | 1.01 | 0.00 | 0.09 | 9.37 | ||||||||||||
1957 | 0.56 | 0.56 | 1.10 | 0.24 | 0.73 | 0.05 | 6.09 | 5.40 | 0.14 | 3.02 | 0.73 | 0.03 | 18.65 | |||||||||||||
1958 | 0.88 | 0.37 | 3.31 | 0.69 | 1.59 | 1.15 | 4.53 | 1.75 | 3.41 | 0.74 | 0.21 | 0.48 | 19.11 | |||||||||||||
1959 | 0.08 | 0.32 | a | 0.12 | a | 0.65 | 1.41 | 2.12 | 3.78 | b | 5.60 | 0.00 | 0.59 | 0.00 | 0.95 | 15.62 | ||||||||||
1960 | 0.48 | 0.17 | 0.00 | 0.00 | 3.12 | 2.22 | 3.58 | 2.10 | 0.91 | 1.31 | 0.00 | 1.50 | 15.39 | |||||||||||||
1961 | 0.59 | 0.06 | 0.20 | 0.00 | 0.73 | 1.17 | 2.05 | 3.71 | 3.11 | 0.00 | 0.29 | 0.22 | 12.13 | |||||||||||||
1962 | 0.62 | 0.26 | 0.49 | 0.89 | 0.00 | 3.31 | 2.86 | 0.36 | 4.31 | 0.89 | 0.25 | 0.80 | 15.04 | |||||||||||||
1963 | 0.39 | 0.58 | 0.00 | 0.00 | 0.00 | 0.00 | 2.54 | 2.70 | 2.39 | 0.15 | 0.08 | 0.04 | 8.87 | |||||||||||||
1964 | 0.12 | 0.79 | 0.38 | 0.10 | 0.64 | 0.00 | 3.02 | 2.34 | 2.04 | 0.19 | 0.00 | 0.13 | 9.75 | |||||||||||||
1965 | 0.00 | 0.65 | 0.21 | 0.39 | 0.90 | 2.23 | 3.13 | 3.67 | 3.18 | 0.20 | 0.00 | 0.81 | 15.37 | |||||||||||||
1966 | 0.91 | 0.22 | 0.20 | 0.82 | 0.00 | 4.21 | 0.50 | 3.42 | 0.34 | 0.00 | 0.00 | 0.20 | 10.82 | |||||||||||||
1967 | 0.00 | 0.30 | 0.00 | 0.00 | 0.00 | 2.26 | 2.07 | 5.00 | 0.60 | 0.00 | 0.15 | 0.90 | 11.28 | |||||||||||||
1968 | 0.50 | 1.20 | 0.60 | 0.00 | 0.00 | 0.00 | 6.15 | 2.58 | 0.10 | 0.00 | 0.31 | 1.10 | 12.54 | |||||||||||||
1969 | 0.00 | 0.90 | 0.50 | 0.10 | 1.90 | 0.00 | 3.10 | 2.85 | 1.10 | 1.60 | ----- | z | ----- | z | 12.05 | b | ||||||||||
1970 | ----- | z | 0.10 | a | 0.23 | 0.00 | 0.06 | 2.51 | ----- | z | 1.82 | 0.11 | 0.81 | 0.00 | 0.17 | 5.81 | b | |||||||||
1971 | 0.21 | 0.53 | 0.00 | 0.05 | 0.00 | ----- | z | 2.60 | 3.89 | 0.76 | a | 1.92 | a | ----- | z | ----- | z | 9.96 | c | |||||||
1972 | 0.00 | r | 0.10 | 0.00 | 0.00 | 0.28 | 3.35 | 2.92 | k | 4.43 | 2.55 | e | 2.75 | c | ----- | z | 0.20 | b | 13.66 | c | ||||||
1973 | ----- | z | ----- | z | ----- | z | 0.00 | 1.07 | ----- | z | ----- | z | 1.57 | m | 1.14 | 0.00 | 0.23 | 0.00 | 2.44 | f | ||||||
1974 | ----- | z | ----- | z | 0.33 | 0.00 | 0.00 | 0.36 | 1.80 | 2.05 | 3.27 | 2.02 | 0.00 | ----- | z | 9.83 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.48 | 0.53 | 0.60 | 0.59 | 0.98 | 1.40 | 3.09 | 2.82 | 2.09 | 0.97 | 0.39 | 0.50 | 13.99 | |||||||||||||
S.D. | 0.48 | 0.48 | 0.77 | 0.70 | 0.99 | 1.20 | 1.47 | 1.32 | 1.65 | 0.83 | 0.48 | 0.50 | 3.59 | |||||||||||||
SKEW | 1.48 | 1.20 | 2.19 | 2.09 | 1.16 | 0.79 | 0.27 | 0.44 | 0.81 | 0.67 | 2.40 | 1.14 | 0.16 | |||||||||||||
MAX | 2.30 | 1.96 | 3.53 | 3.93 | 4.19 | 5.09 | 6.47 | 6.46 | 6.79 | 3.02 | 2.85 | 1.88 | 23.11 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.36 | 0.00 | 0.00 | 0.00 | 0.00 | 6.06 | |||||||||||||
YRS | 69 | 68 | 72 | 71 | 73 | 71 | 67 | 71 | 72 | 73 | 68 | 70 | 50 |