YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.42 | 0.14 | 1.20 | ----- | z | 0.35 | 0.59 | a | 2.70 | f | |||||
1896 | 3.44 | 0.86 | 0.95 | a | 1.85 | m | 2.47 | 0.24 | 0.70 | 0.57 | 0.30 | 0.55 | 1.43 | 1.52 | b | 13.03 | a | |||||||||
1897 | 1.23 | 2.05 | a | 1.61 | 0.94 | 0.96 | 1.32 | 0.00 | 0.10 | 0.93 | 0.28 | 2.63 | a | 1.69 | 13.74 | |||||||||||
1898 | 1.23 | c | 0.52 | 0.58 | 0.38 | 2.28 | 0.79 | 0.05 | 0.14 | 0.16 | 1.16 | 1.01 | 1.09 | 9.39 | ||||||||||||
1899 | 2.49 | r | 2.02 | q | 2.20 | 1.51 | r | 1.30 | 0.11 | 0.12 | 1.24 | 0.32 | 1.80 | 1.30 | 1.08 | x | 8.39 | d | ||||||||
1900 | 1.34 | b | 0.99 | d | 1.26 | r | 1.65 | a | 1.15 | 0.80 | 0.41 | 0.92 | 1.36 | 2.76 | 0.74 | 1.09 | 13.21 | a | ||||||||
1901 | 1.33 | 1.33 | 0.92 | v | 0.87 | a | 0.48 | 0.79 | 0.17 | 0.17 | 1.54 | 0.46 | 0.64 | t | 1.59 | s | 7.14 | c | ||||||||
1902 | 0.44 | w | 2.75 | 1.19 | 1.39 | a | 1.82 | 0.44 | 0.69 | 0.24 | 0.26 | 0.40 | 2.05 | 2.32 | 13.55 | a | ||||||||||
1903 | 0.76 | b | 0.64 | 1.16 | b | 0.34 | 1.00 | 0.94 | 0.13 | x | 0.36 | 0.42 | 0.56 | 3.44 | a | 0.87 | a | 10.49 | a | |||||||
1904 | 0.62 | a | 2.11 | i | 3.11 | k | 1.26 | 0.81 | 0.46 | 1.31 | ----- | z | 2.03 | 0.89 | 0.18 | 1.50 | a | 9.06 | c | |||||||
1905 | 1.90 | 0.31 | 1.39 | 1.05 | q | 1.39 | 1.70 | 0.24 | 0.00 | 0.73 | 0.73 | 1.14 | 0.94 | 10.47 | a | |||||||||||
1906 | 2.04 | 1.40 | 1.57 | a | 0.60 | 1.85 | 1.43 | 0.08 | 0.71 | 0.62 | 0.25 | 0.90 | a | 1.57 | 13.02 | |||||||||||
1907 | 0.96 | b | 2.12 | 1.56 | 0.47 | 0.92 | 1.09 | a | 0.54 | ----- | z | ----- | z | 0.57 | 0.55 | r | 2.49 | b | 10.72 | c | ||||||
1908 | 0.58 | a | 0.66 | 0.29 | 1.36 | 1.14 | 0.56 | 0.00 | 0.28 | 0.49 | 1.42 | 0.44 | 0.43 | y | 7.22 | a | ||||||||||
1909 | 2.48 | 0.73 | a | 0.66 | 0.08 | 0.89 | 0.54 | 1.12 | ----- | z | 0.79 | 0.44 | 0.68 | o | 1.09 | a | 8.82 | b | ||||||||
1910 | 0.29 | 1.53 | n | 0.80 | 0.33 | a | 0.82 | a | 0.42 | 0.12 | 0.01 | 0.54 | 0.64 | 2.57 | n | 0.57 | 4.54 | b | ||||||||
1911 | 0.88 | g | 0.89 | b | 0.12 | 0.13 | b | 0.99 | d | 1.42 | s | 0.14 | a | 0.00 | 0.95 | 0.60 | 0.98 | a | 0.38 | a | 5.18 | b | ||||
1912 | 1.90 | c | 0.39 | a | 0.58 | a | 3.22 | 2.41 | 1.62 | 0.54 | u | 2.33 | 0.20 | 0.45 | 0.59 | 1.46 | b | 15.15 | a | |||||||
1913 | 1.36 | a | 0.14 | 0.64 | a | 1.46 | 1.14 | a | 3.09 | 0.43 | a | 1.04 | a | 0.01 | b | 0.55 | a | 1.46 | a | 1.35 | b | 12.67 | ||||
1914 | 2.36 | a | 1.20 | 0.66 | 1.43 | 1.09 | 2.33 | a | 0.73 | 0.00 | 1.00 | 0.89 | 0.17 | a | 0.49 | d | 12.35 | |||||||||
1915 | 1.40 | 2.08 | m | 1.07 | 1.18 | t | 1.51 | 0.74 | 2.22 | 0.06 | a | 0.49 | 0.27 | 1.45 | 1.24 | c | 10.45 | b | ||||||||
1916 | 2.03 | e | 1.15 | 1.01 | 0.95 | a | 2.07 | a | 1.08 | 1.27 | 0.23 | 0.13 | 0.25 | a | 1.80 | t | 1.34 | r | 10.17 | b | ||||||
1917 | 0.91 | c | 1.43 | a | 1.10 | j | 1.83 | 2.47 | o | 0.24 | 0.00 | 0.00 | 1.13 | v | 0.00 | 1.40 | 1.35 | p | 5.81 | d | ||||||
1918 | 1.51 | a | 0.65 | b | 0.35 | 0.18 | 0.42 | ----- | z | 0.57 | 0.96 | 0.48 | 0.82 | 0.92 | 0.34 | a | 7.20 | a | ||||||||
1919 | 1.21 | 1.89 | h | 0.95 | a | 1.21 | a | 0.18 | a | 0.31 | 0.00 | 0.31 | 0.64 | 1.29 | 1.23 | s | 1.64 | a | 7.74 | b | ||||||
1920 | 0.16 | 0.17 | 0.86 | 1.93 | 0.88 | 1.15 | 0.09 | 1.27 | 0.65 | 0.88 | 0.89 | 1.89 | a | 10.82 | ||||||||||||
1921 | 1.46 | a | 1.27 | a | 0.48 | b | 0.85 | o | 2.18 | 0.79 | 0.00 | 0.54 | 0.41 | 0.40 | 1.84 | a | 0.64 | 10.01 | a | |||||||
1922 | 0.47 | a | 0.99 | 1.10 | 0.82 | b | 0.64 | 1.40 | 0.00 | 0.66 | 0.05 | 1.23 | 1.22 | 1.83 | a | 10.41 | ||||||||||
1923 | 0.39 | 0.15 | a | 0.21 | 2.00 | 0.91 | 1.64 | 2.80 | 0.41 | 0.21 | 2.55 | 0.42 | a | 1.11 | q | 11.69 | a | |||||||||
1924 | 0.39 | 1.46 | 0.51 | a | 0.61 | 0.03 | 0.81 | 0.01 | 0.52 | 0.45 | 1.94 | 1.21 | a | 1.45 | q | 7.94 | a | |||||||||
1925 | 1.29 | q | 1.79 | 0.35 | 2.21 | 1.81 | 2.40 | 0.00 | 0.51 | 1.34 | 0.21 | 0.69 | 1.09 | a | 12.40 | a | ||||||||||
1926 | 0.89 | 1.77 | 0.94 | 1.12 | 1.27 | 0.14 | 0.17 | 1.15 | 0.12 | 0.48 | 2.34 | 1.57 | a | 11.96 | ||||||||||||
1927 | 1.25 | c | 1.38 | 0.98 | 0.63 | a | 1.45 | 2.72 | 0.00 | 0.15 | 2.46 | 1.19 | 1.81 | 0.38 | b | 14.40 | ||||||||||
1928 | 1.82 | v | 0.66 | a | 1.01 | 0.96 | 0.01 | 1.63 | 0.06 | 0.00 | 0.40 | 0.46 | a | 1.19 | 0.67 | 7.05 | a | |||||||||
1929 | 1.21 | 0.08 | b | 0.69 | 0.88 | 0.63 | 1.53 | 0.00 | 0.09 | 0.57 | 0.17 | 0.21 | 3.31 | 9.37 | ||||||||||||
1930 | 0.69 | b | 0.43 | b | 0.30 | 0.64 | a | 1.58 | 1.41 | a | 0.00 | 0.06 | 0.58 | 0.74 | 0.36 | 0.87 | 7.66 | |||||||||
1931 | 0.84 | 0.76 | b | 1.45 | 0.57 | 0.43 | 1.70 | 0.00 | 0.00 | 0.43 | 0.90 | 0.39 | a | 1.77 | 9.24 | |||||||||||
1932 | 1.69 | 0.71 | a | 2.24 | 0.76 | a | 1.47 | 0.49 | 0.00 | 0.25 | 0.00 | 0.11 | a | 0.78 | 0.51 | v | 8.50 | a | ||||||||
1933 | 0.42 | t | 1.20 | 0.93 | v | 0.81 | 1.34 | 0.58 | 0.03 | 0.50 | 0.74 | 0.24 | 0.52 | 1.50 | 7.46 | b | ||||||||||
1934 | 0.50 | 0.57 | 0.48 | 0.24 | w | 1.09 | 3.42 | 0.00 | 0.20 | 0.40 | 1.09 | 1.17 | 0.98 | 9.90 | a | |||||||||||
1935 | 0.70 | 0.26 | x | ----- | z | 2.06 | 0.55 | 1.21 | 0.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.37 | g | |||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1938 | ----- | z | ----- | z | ----- | z | 0.56 | 0.02 | 1.88 | 0.36 | 0.00 | 0.10 | a | 0.46 | v | 2.00 | 0.85 | b | 5.77 | d | ||||||
1939 | 0.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | k | |
1940 | ----- | z | 2.78 | 1.91 | 1.52 | 0.30 | 0.35 | 1.53 | 0.00 | 2.33 | 1.28 | 1.41 | 1.90 | 15.31 | a | |||||||||||
1941 | 1.20 | 1.29 | 0.38 | 0.86 | 2.49 | 2.14 | 2.02 | 2.32 | 0.92 | 1.41 | 1.02 | 1.30 | 17.35 | |||||||||||||
1942 | 1.39 | a | 1.67 | a | 0.43 | 0.95 | 2.78 | 1.39 | 0.27 | 0.05 | 0.05 | 0.35 | 1.87 | 1.52 | a | 12.72 | ||||||||||
1943 | 1.76 | 0.22 | 1.07 | 1.86 | 0.40 | 1.08 | 0.42 | 0.36 | 0.00 | 1.67 | 0.39 | 0.41 | 9.64 | |||||||||||||
1944 | 0.35 | b | 1.14 | a | 0.28 | 0.92 | 0.46 | 2.34 | 0.08 | 0.01 | 0.41 | 0.43 | 0.65 | 1.02 | 8.09 | |||||||||||
1945 | 0.65 | 1.10 | 0.78 | 1.13 | 2.12 | 0.33 | 0.00 | 0.40 | 0.55 | 0.71 | 1.79 | 1.75 | 11.31 | |||||||||||||
1946 | 0.82 | 0.69 | 0.79 | 0.26 | 1.11 | 0.73 | 0.61 | 0.48 | 0.96 | 1.22 | 1.41 | 0.49 | 9.57 | |||||||||||||
1947 | 0.27 | a | 0.43 | ----- | z | 0.92 | 1.05 | 1.92 | 0.17 | 1.18 | 0.74 | 1.70 | 1.91 | 1.14 | 11.43 | a | ||||||||||
1948 | 0.89 | 0.54 | 0.80 | 2.34 | 3.59 | 3.20 | 1.04 | 1.09 | 0.63 | 0.47 | a | 1.18 | 1.22 | 16.99 | ||||||||||||
1949 | 0.43 | 0.67 | 0.78 | 0.26 | 1.36 | 0.00 | a | 0.02 | 0.00 | a | 0.55 | 0.40 | 1.33 | 0.60 | 6.40 | |||||||||||
1950 | 1.18 | a | 0.41 | a | 1.03 | 0.71 | 0.44 | 2.26 | 0.04 | 0.05 | 0.08 | 1.68 | a | 1.27 | 1.53 | 10.68 | ||||||||||
1951 | 1.20 | 0.63 | 0.92 | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.02 | 0.13 | 0.63 | 1.60 | b | 1.48 | 6.61 | c | |||||||
1952 | 0.68 | 1.88 | 1.52 | 0.81 | 1.69 | 3.19 | 0.00 | 1.66 | 0.39 | 0.00 | 0.25 | 1.99 | 14.06 | |||||||||||||
1953 | 2.51 | 1.95 | 1.66 | 1.59 | 2.52 | 1.12 | 0.00 | 1.47 | a | 0.00 | 1.07 | 0.92 | 1.43 | 16.24 | ||||||||||||
1954 | 1.21 | 0.58 | 1.31 | 0.82 | 1.01 | 1.22 | 0.00 | 0.45 | 0.58 | 0.36 | 0.78 | 0.65 | 8.97 | |||||||||||||
1955 | 0.68 | 0.33 | 0.56 | 1.50 | 1.39 | 0.34 | 0.41 | 0.00 | 0.58 | 0.52 | i | 1.12 | 2.73 | 9.64 | a | |||||||||||
1956 | 2.22 | 1.34 | 0.34 | 0.31 | 3.17 | 1.18 | 1.46 | 0.60 | 0.00 | 1.50 | 0.24 | 0.51 | 12.87 | |||||||||||||
1957 | 0.68 | 0.61 | 1.98 | a | 1.76 | 3.68 | 0.69 | 0.20 | 0.11 | a | 0.32 | 3.11 | 0.52 | 2.49 | 16.15 | |||||||||||
1958 | 2.54 | 2.01 | 1.76 | 1.07 | a | 2.52 | 2.02 | 1.38 | 0.14 | 0.50 | 0.40 | 0.90 | 2.43 | 17.67 | ||||||||||||
1959 | 1.81 | 1.42 | 0.82 | 0.82 | 1.39 | 0.73 | 0.15 | 0.37 | 1.57 | 0.43 | 0.22 | 0.94 | 10.67 | |||||||||||||
1960 | 1.31 | 0.86 | 1.58 | 0.56 | 2.76 | 0.05 | 0.10 | 0.88 | 0.00 | 0.45 | 1.96 | 0.72 | 11.23 | |||||||||||||
1961 | 0.30 | 1.08 | 1.98 | 0.19 | 2.25 | 0.94 | 0.35 | 0.44 | 0.19 | 0.60 | 1.48 | 0.63 | 10.43 | |||||||||||||
1962 | 0.94 | b | 1.15 | 1.17 | 1.39 | 2.56 | 0.20 | 0.00 | 0.14 | 0.68 | 2.26 | 1.42 | 0.92 | 12.83 | ||||||||||||
1963 | 1.14 | 1.17 | 0.86 | 2.70 | 1.52 | 0.69 | 0.47 | 0.26 | 0.97 | 0.47 | 1.17 | 0.62 | 12.04 | |||||||||||||
1964 | 1.32 | 0.07 | 0.24 | 0.27 | 0.29 | 2.25 | 0.57 | 0.08 | 0.13 | 0.71 | 1.40 | 3.58 | 10.91 | |||||||||||||
1965 | 2.79 | 0.29 | 0.23 | 0.76 | 0.27 | 1.52 | 0.54 | 2.00 | 0.00 | 0.03 | 1.22 | 0.37 | 10.02 | |||||||||||||
1966 | 1.39 | 0.80 | 0.80 | 0.36 | 0.72 | 1.83 | 1.37 | 0.09 | 1.53 | 0.59 | 2.65 | 1.45 | 13.58 | |||||||||||||
1967 | 0.96 | 0.24 | 1.27 | 1.78 | 1.61 | 0.84 | 0.00 | 0.23 | 0.19 | 1.31 | 0.53 | 0.72 | 9.68 | |||||||||||||
1968 | 0.72 | 0.69 | 0.28 | 0.62 | 1.00 | 0.81 | 0.06 | 1.52 | 0.10 | 1.07 | 2.11 | 1.74 | 10.72 | |||||||||||||
1969 | 1.58 | 0.99 | 0.33 | 2.22 | 1.12 | 3.87 | 0.03 | 0.00 | 0.66 | 1.00 | 0.30 | 1.98 | 14.08 | |||||||||||||
1970 | 3.27 | 1.04 | 0.74 | 0.41 | 1.55 | 2.21 | 0.12 | 0.67 | 0.81 | 1.30 | 1.81 | 1.15 | 15.08 | |||||||||||||
1971 | 1.80 | 0.19 | 0.78 | 0.97 | 1.38 | 0.84 | 0.65 | 0.18 | 0.85 | 0.92 | 1.19 | 1.17 | 10.92 | |||||||||||||
1972 | 0.65 | 0.23 | 1.09 | 0.85 | 2.14 | 0.46 | 0.03 | 0.07 | 0.45 | 0.31 | 0.91 | 1.00 | 8.19 | |||||||||||||
1973 | ----- | z | 0.57 | 0.46 | 0.36 | 1.66 | 0.06 | 0.29 | 0.38 | 0.86 | 0.90 | ----- | z | ----- | z | 5.54 | c | |||||||||
1974 | 1.62 | 0.85 | 1.68 | ----- | z | 0.23 | 0.23 | 0.49 | 0.11 | 0.00 | 0.34 | 0.62 | 1.60 | 7.77 | a | |||||||||||
1975 | 0.95 | 1.12 | 1.14 | 0.75 | 0.22 | 0.31 | 1.86 | 0.62 | 0.00 | ----- | z | ----- | z | 1.36 | 8.33 | b | ||||||||||
1976 | 0.93 | 0.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.09 | 0.57 | ----- | z | 0.23 | 3.53 | g | |||||
1977 | 0.42 | 0.62 | 0.79 | 0.25 | 2.72 | 1.12 | 0.85 | 0.81 | 0.82 | ----- | z | ----- | z | ----- | z | 8.40 | c | |||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.86 | ----- | z | ----- | z | ----- | z | 0.86 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.22 | 0.94 | 0.94 | 1.02 | 1.35 | 1.19 | 0.43 | 0.47 | 0.59 | 0.84 | 1.15 | 1.28 | 11.81 | |||||||||||||
S.D. | 0.72 | 0.60 | 0.52 | 0.67 | 0.86 | 0.89 | 0.59 | 0.55 | 0.52 | 0.64 | 0.67 | 0.70 | 2.73 | |||||||||||||
SKEW | 0.98 | 0.91 | 0.61 | 0.96 | 0.61 | 0.93 | 1.86 | 1.63 | 1.43 | 1.40 | 0.78 | 0.98 | 0.41 | |||||||||||||
MAX | 3.44 | 2.78 | 2.24 | 3.22 | 3.68 | 3.87 | 2.80 | 2.33 | 2.46 | 3.11 | 3.44 | 3.58 | 17.67 | |||||||||||||
MIN | 0.16 | 0.07 | 0.12 | 0.08 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.23 | 6.40 | |||||||||||||
YRS | 71 | 72 | 70 | 70 | 76 | 76 | 77 | 75 | 78 | 74 | 69 | 69 | 41 |