YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.42 | x | 3.61 | 0.03 | 1.08 | 0.87 | 0.90 | 0.64 | 7.13 | f | ||||||
1910 | 0.74 | 1.33 | 1.06 | 0.18 | 0.81 | 1.65 | 0.23 | 1.04 | 0.57 | 0.43 | 1.49 | 1.05 | 10.58 | |||||||||||||
1911 | 0.75 | 0.83 | 0.33 | 0.42 | 3.52 | 1.78 | 0.17 | 1.36 | 1.43 | 0.05 | 0.98 | 1.60 | 13.22 | |||||||||||||
1912 | 1.09 | 0.42 | 0.30 | 2.15 | 1.52 | 1.93 | 2.67 | 2.24 | 0.71 | 1.34 | 2.07 | 0.78 | 17.22 | |||||||||||||
1913 | 0.90 | 0.28 | 0.24 | 0.67 | 2.50 | 2.99 | 0.73 | 0.70 | 1.17 | 1.35 | 1.33 | 0.41 | 13.27 | |||||||||||||
1914 | 1.90 | a | 0.50 | 0.63 | 0.83 | 0.77 | 0.95 | 0.85 | 0.50 | 0.84 | 0.93 | 1.48 | 1.03 | 11.21 | ||||||||||||
1915 | 0.77 | 0.95 | 0.20 | 1.72 | 5.16 | 1.57 | 7.15 | 0.00 | 0.64 | 0.23 | 0.92 | 1.07 | 20.38 | |||||||||||||
1916 | 0.96 | 1.02 | 0.84 | 0.44 | 2.81 | 2.60 | 1.79 | 0.57 | 0.37 | 0.10 | 0.75 | 0.98 | 13.23 | |||||||||||||
1917 | 0.46 | 1.11 | 0.33 | 1.38 | 3.07 | 0.50 | 0.24 | 0.00 | 0.84 | 0.25 | 0.67 | 1.35 | 10.20 | |||||||||||||
1918 | 1.33 | b | 0.77 | 0.78 | 0.30 | 1.53 | a | 0.73 | 2.36 | 2.00 | 0.44 | 1.32 | 1.25 | a | 0.58 | 13.39 | ||||||||||
1919 | 1.17 | a | 1.77 | b | 0.18 | w | 0.61 | 1.42 | 0.38 | 0.33 | ----- | z | 1.90 | a | 0.57 | a | 0.82 | 0.56 | 9.53 | b | ||||||
1920 | 0.20 | 0.31 | 0.27 | b | 2.65 | 1.06 | u | 0.86 | 0.83 | 1.46 | 1.48 | 0.75 | 1.22 | 0.87 | 10.90 | a | ||||||||||
1921 | 1.28 | b | 0.61 | 1.27 | 1.98 | 1.59 | 2.69 | 0.79 | 0.04 | 1.43 | 0.85 | 1.44 | a | 0.73 | a | 14.70 | ||||||||||
1922 | 0.72 | 0.94 | 0.41 | 1.67 | 0.63 | 0.00 | 0.53 | 1.87 | 0.61 | 1.95 | 0.41 | 1.06 | 10.80 | |||||||||||||
1923 | 0.95 | 0.49 | 0.33 | 1.12 | 1.40 | 4.60 | 1.58 | 2.37 | 0.76 | 1.33 | 0.50 | c | ----- | z | 15.43 | a | ||||||||||
1924 | 0.32 | 0.82 | 0.34 | 0.03 | 0.37 | 1.98 | 0.88 | 2.15 | 0.89 | 1.46 | 1.92 | 1.37 | 12.53 | |||||||||||||
1925 | 1.25 | l | 0.37 | 0.10 | b | 0.88 | 0.45 | 2.57 | q | 0.81 | 0.48 | 0.87 | 1.35 | 1.03 | 1.51 | 7.85 | b | |||||||||
1926 | 1.45 | 1.06 | 0.33 | 0.56 | 2.57 | 1.64 | 1.60 | 3.11 | 3.38 | 1.35 | 1.72 | 1.74 | 20.51 | |||||||||||||
1927 | 1.00 | 0.63 | 0.29 | 0.70 | 2.42 | 3.29 | 0.95 | 1.18 | 4.26 | 1.85 | 1.47 | 1.39 | 19.43 | |||||||||||||
1928 | 0.76 | d | 0.12 | x | 0.95 | t | 1.53 | s | 0.40 | y | 3.33 | m | 2.53 | x | 1.33 | y | ----- | z | 0.51 | x | 0.27 | v | 0.67 | t | 0.76 | k |
1929 | 0.60 | r | 0.01 | v | 0.44 | u | 2.03 | r | 0.83 | u | 2.46 | 0.04 | 0.05 | ----- | z | ----- | z | ----- | z | 1.12 | 3.67 | h | ||||
1930 | 0.65 | 0.43 | 0.58 | 0.78 | s | 2.24 | t | 3.13 | q | 0.65 | 0.80 | y | 0.60 | v | 1.55 | r | 0.88 | v | 0.44 | r | 2.31 | h | ||||
1931 | 0.84 | n | 0.25 | q | 0.55 | t | 0.40 | 0.54 | x | 2.80 | m | 0.51 | 0.00 | 1.66 | 1.11 | 0.99 | 2.25 | 6.92 | e | |||||||
1932 | 0.61 | 0.29 | 0.97 | 2.18 | 1.28 | 0.52 | 0.74 | 0.94 | 0.25 | 1.14 | 2.62 | a | 0.70 | 12.24 | ||||||||||||
1933 | 1.09 | 0.41 | 1.39 | 0.29 | 1.57 | 0.57 | 0.55 | 0.21 | 1.46 | 1.19 | 0.62 | 2.01 | 11.36 | |||||||||||||
1934 | 1.06 | 0.27 | 0.95 | 1.63 | 1.41 | 0.49 | 0.25 | 0.41 | 1.10 | 1.11 | 1.59 | 1.25 | 11.52 | |||||||||||||
1935 | 1.03 | 0.41 | 0.51 | 0.26 | 0.35 | w | 1.20 | t | 2.12 | ----- | z | ----- | z | 1.62 | w | ----- | z | 0.57 | w | 4.33 | g | |||||
1936 | 0.86 | n | 0.89 | n | 0.02 | x | 1.20 | t | 1.18 | x | 4.13 | ----- | z | 0.55 | ----- | z | ----- | z | ----- | z | 0.37 | 5.05 | i | |||
1937 | 0.84 | 1.94 | 1.29 | r | 1.22 | 0.44 | 1.99 | 1.53 | 1.75 | x | 1.73 | v | 1.14 | x | 2.75 | 1.12 | q | 10.71 | e | |||||||
1938 | 1.04 | s | 1.60 | o | 0.72 | t | 0.92 | v | 1.00 | 1.08 | ----- | z | ----- | z | 2.21 | v | 1.67 | u | 0.33 | w | 0.87 | q | 2.08 | j | ||
1939 | 1.00 | p | 0.58 | s | ----- | z | ----- | z | 0.56 | u | 5.01 | m | ----- | z | ----- | z | ----- | z | 0.84 | x | 0.65 | 1.93 | p | 0.65 | k | |
1940 | 0.90 | r | 1.88 | m | 0.89 | t | 1.69 | p | 1.46 | u | 1.49 | y | 1.21 | v | ----- | z | 1.72 | 3.42 | 1.56 | 1.20 | 7.90 | h | ||||
1941 | 0.87 | 0.88 | 0.56 | 0.86 | 3.44 | 4.80 | 1.08 | 3.60 | 2.29 | 1.25 | 1.40 | 1.65 | 22.68 | |||||||||||||
1942 | 1.39 | 0.77 | 0.15 | 1.36 | 3.96 | 1.50 | a | 3.76 | 0.59 | 0.03 | 0.78 | 1.51 | 1.11 | 16.91 | ||||||||||||
1943 | 0.53 | 0.39 | 0.67 | 0.93 | 0.42 | 1.85 | 0.22 | 0.98 | ----- | z | 2.33 | 0.43 | u | 0.46 | y | 8.32 | c | |||||||||
1944 | 0.87 | a | 0.78 | p | 0.14 | 1.92 | s | 1.33 | 3.07 | 0.31 | 0.57 | 2.07 | 0.51 | 2.31 | a | 0.55 | 11.73 | b | ||||||||
1945 | 0.92 | 1.40 | 0.86 | 0.35 | 2.67 | 2.92 | 0.22 | 0.21 | 1.70 | 1.63 | 1.31 | 1.73 | 15.92 | |||||||||||||
1946 | 1.17 | 0.73 | 0.89 | 0.43 | 2.52 | 2.63 | 0.11 | 0.19 | 0.98 | a | 0.90 | 1.38 | 0.80 | 12.73 | ||||||||||||
1947 | 0.72 | 0.40 | 0.26 | 1.36 | 0.28 | 4.34 | 1.26 | 0.41 | 1.43 | b | 2.99 | 0.47 | t | 0.95 | 14.40 | a | ||||||||||
1948 | 0.48 | 0.48 | 0.05 | 2.29 | 3.18 | j | 5.71 | a | 2.08 | 3.58 | 1.12 | 0.58 | 0.87 | 1.56 | c | 18.80 | a | |||||||||
1949 | 0.38 | 0.76 | 0.59 | 0.27 | 0.84 | 0.98 | 1.14 | 0.37 | 0.50 | 1.23 | 1.88 | 0.57 | 9.51 | |||||||||||||
1950 | 1.02 | 1.07 | 1.70 | 1.11 | 0.29 | 2.83 | 0.35 | 0.24 | 0.13 | 4.20 | 2.44 | 1.42 | 16.80 | |||||||||||||
1951 | 1.73 | 0.60 | 0.95 | 0.18 | 0.60 | 1.97 | 0.89 | 3.82 | 0.61 | 3.00 | 1.92 | 1.64 | 17.91 | |||||||||||||
1952 | 1.58 | 0.26 | 0.61 | 1.60 | 2.95 | 2.58 | 0.38 | 0.08 | 0.23 | 0.00 | 0.18 | 1.32 | 11.77 | |||||||||||||
1953 | 1.80 | 0.63 | 1.75 | 1.68 | 3.13 | 3.30 | 0.48 | 2.13 | 0.54 | 0.59 | 0.94 | 0.94 | 17.91 | |||||||||||||
1954 | 1.45 | 0.59 | 0.81 | 0.13 | 2.40 | 4.19 | 1.05 | 2.89 | 1.96 | 0.43 | 1.25 | 0.64 | 17.79 | |||||||||||||
1955 | 0.89 | 0.44 | 0.64 | 1.54 | 1.71 | 1.39 | 3.48 | ----- | z | ----- | z | 1.13 | j | 1.02 | 2.39 | 13.50 | c | |||||||||
1956 | 1.95 | 0.93 | 1.00 | 0.51 | 0.64 | 4.28 | 2.61 | 1.10 | 0.51 | 0.89 | 0.18 | 0.51 | 15.11 | |||||||||||||
1957 | 1.02 | 0.82 | 1.80 | 0.75 | 5.62 | 2.62 | 1.07 | 0.90 | 0.09 | 3.35 | 0.52 | 0.84 | 19.40 | |||||||||||||
1958 | 1.17 | a | 2.46 | 1.12 | 2.37 | 1.18 | 2.24 | 1.03 | 0.45 | 1.30 | 0.95 | 1.42 | 0.80 | 16.49 | ||||||||||||
1959 | 2.96 | 1.06 | 0.68 | 0.11 | 3.14 | 0.64 | 0.22 | 0.69 | 1.83 | 0.76 | 0.87 | 1.10 | 14.06 | |||||||||||||
1960 | 0.91 | 0.56 | 0.39 | 1.70 | 2.05 | 0.89 | 0.00 | 0.82 | 0.37 | 0.68 | 1.77 | 1.03 | 11.17 | |||||||||||||
1961 | 0.50 | 2.36 | 1.00 | 1.36 | 2.58 | 2.27 | 1.46 | 1.17 | 0.07 | 0.83 | 0.48 | 1.47 | 15.55 | |||||||||||||
1962 | 1.43 | 0.66 | 0.71 | 0.72 | 1.53 | 1.33 | 0.36 | 1.35 | 0.31 | 1.05 | 1.02 | 1.04 | 11.51 | |||||||||||||
1963 | 0.11 | 0.82 | 0.76 | 1.79 | 0.70 | 2.53 | 0.97 | 1.27 | 1.22 | 0.27 | 1.56 | 1.60 | 13.60 | |||||||||||||
1964 | 1.16 | 0.04 | 0.52 | 0.79 | 0.41 | 2.74 | 1.09 | 1.69 | 1.01 | 0.24 | 1.60 | 1.50 | 12.79 | |||||||||||||
1965 | 1.65 | b | 0.63 | 0.21 | 1.13 | 1.31 | 1.58 | 1.94 | 1.86 | 0.46 | 0.14 | 1.65 | 1.73 | 14.29 | ||||||||||||
1966 | 0.77 | 0.06 | 0.52 | 0.38 | 0.89 | 1.68 | 0.70 | 0.26 | 0.99 | 1.01 | 1.70 | 1.75 | 10.71 | |||||||||||||
1967 | 1.22 | 0.48 | 0.64 | 0.86 | 0.73 | 2.45 | 0.63 | 0.00 | 0.43 | 1.86 | 0.45 | 1.96 | 11.71 | |||||||||||||
1968 | 1.26 | 0.44 | 0.96 | 1.18 | 2.60 | 1.06 | 0.34 | 3.41 | 1.08 | 1.47 | 0.96 | 2.11 | 16.87 | |||||||||||||
1969 | 1.87 | 1.90 | 0.32 | 1.82 | 1.48 | 1.62 | 0.32 | 0.00 | 1.18 | 1.01 | 0.70 | 1.40 | 13.62 | |||||||||||||
1970 | 1.60 | 0.73 | 0.50 | 1.12 | 0.41 | 1.68 | 0.07 | 0.62 | 0.65 | 0.84 | 1.16 | 1.98 | 11.36 | |||||||||||||
1971 | 0.95 | 0.85 | 0.67 | 1.18 | 2.39 | 2.09 | 1.31 | 0.18 | 1.35 | 0.71 | 0.75 | 1.76 | 14.19 | |||||||||||||
1972 | 0.92 | 0.45 | 0.82 | 0.96 | 2.39 | 1.79 | 0.37 | 2.29 | 0.97 | 0.42 | 0.68 | 1.33 | 13.39 | |||||||||||||
1973 | 0.68 | 0.85 | 0.65 | 0.22 | 0.95 | 0.75 | 0.04 | 0.37 | 1.39 | 1.32 | 3.20 | 2.27 | 12.69 | |||||||||||||
1974 | 1.08 | 1.33 | 1.24 | 0.59 | ----- | z | 0.11 | 1.06 | 1.81 | 0.22 | 0.09 | 1.51 | 1.46 | 10.50 | a | |||||||||||
1975 | 0.57 | 1.27 | 1.15 | 0.60 | 0.86 | 1.28 | 1.72 | 2.53 | 0.23 | 1.25 | 1.66 | 1.04 | 14.16 | |||||||||||||
1976 | 0.66 | 0.61 | 0.85 | 0.60 | 2.26 | 2.11 | 0.57 | 3.92 | 0.24 | 0.40 | 0.08 | 0.60 | 12.90 | |||||||||||||
1977 | 0.51 | 0.34 | 0.76 | 0.09 | 1.96 | 1.27 | 0.27 | 0.88 | 0.73 | 0.59 | 1.06 | 1.91 | 10.37 | |||||||||||||
1978 | 1.30 | 0.65 | 1.07 | 2.85 | 0.90 | 1.47 | 1.79 | 2.73 | 2.23 | 0.37 | 0.76 | 0.72 | 16.84 | |||||||||||||
1979 | 0.49 | 0.78 | 0.27 | 1.67 | 1.85 | 1.03 | 1.15 | 1.36 | 0.50 | 1.27 | 0.59 | 0.91 | 11.87 | |||||||||||||
1980 | 1.27 | 2.14 | 0.90 | 1.98 | 3.55 | 2.48 | 3.02 | 0.83 | 1.74 | 0.63 | 1.20 | 1.94 | 21.68 | |||||||||||||
1981 | 0.55 | 1.15 | 1.11 | 0.44 | 3.36 | 1.86 | 2.18 | 1.20 | 1.69 | 1.94 | 1.09 | 1.31 | 17.88 | |||||||||||||
1982 | 1.51 | 0.41 | 1.12 | 2.17 | u | 0.83 | 2.43 | 1.83 | 0.75 | 0.98 | 0.99 | 1.48 | 1.07 | 13.40 | a | |||||||||||
1983 | 1.53 | 1.17 | a | 1.38 | 1.64 | 1.17 | 2.45 | 3.19 | 0.91 | 0.43 | 0.63 | 2.84 | 1.62 | 18.96 | ||||||||||||
1984 | 0.55 | 0.71 | 1.31 | 1.16 | 1.92 | 2.63 | 0.28 | 1.71 | 0.58 | 0.69 | 2.28 | 0.70 | 14.52 | |||||||||||||
1985 | 0.57 | 0.44 | 0.71 | 0.77 | a | 1.65 | 0.86 | 0.40 | 0.65 | 1.95 | 1.68 | 0.91 | 0.48 | b | 11.07 | |||||||||||
1986 | 1.55 | 1.21 | 0.89 | 1.78 | 0.98 | 1.50 | 2.31 | 0.48 | 2.14 | 0.15 | a | 0.78 | i | 0.77 | 13.76 | a | ||||||||||
1987 | 0.82 | 0.59 | 1.68 | 0.67 | 1.60 | 0.79 | 1.83 | 1.10 | 0.35 | 0.14 | 0.13 | 2.39 | 12.09 | |||||||||||||
1988 | 0.48 | 0.20 | 0.64 | 1.53 | 0.95 | 1.59 | 0.52 | 0.13 | ----- | z | ----- | z | ----- | z | ----- | z | 6.04 | d | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.02 | 0.80 | 0.73 | 1.05 | 1.76 | 1.99 | 1.17 | 1.16 | 1.05 | 1.08 | 1.25 | 1.24 | 14.40 | |||||||||||||
S.D. | 0.49 | 0.51 | 0.42 | 0.69 | 1.15 | 1.17 | 1.16 | 1.05 | 0.77 | 0.84 | 0.66 | 0.52 | 3.23 | |||||||||||||
SKEW | 0.99 | 1.42 | 0.61 | 0.53 | 1.05 | 0.84 | 2.33 | 1.04 | 1.47 | 1.57 | 0.66 | 0.36 | 0.70 | |||||||||||||
MAX | 2.96 | 2.46 | 1.80 | 2.85 | 5.62 | 5.71 | 7.15 | 3.92 | 4.26 | 4.20 | 3.20 | 2.39 | 22.68 | |||||||||||||
MIN | 0.11 | 0.04 | 0.05 | 0.03 | 0.28 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.08 | 0.37 | 9.51 | |||||||||||||
YRS | 72 | 71 | 70 | 70 | 68 | 72 | 75 | 71 | 69 | 70 | 70 | 71 | 56 |