YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | 1.23 | o | 0.88 | b | 0.25 | p | 0.25 | 0.35 | n | 0.40 | 0.14 | 0.16 | 0.67 | u | 0.59 | s | 1.85 | g | 1.20 | t | ----- | z | ||||
1910 | 1.07 | j | 1.00 | 0.56 | p | 0.53 | q | 0.85 | 0.33 | 0.11 | 0.36 | ----- | z | 0.96 | j | 1.73 | i | 0.58 | j | ----- | z | |||||
1911 | 0.70 | e | 0.23 | m | 0.25 | w | 0.71 | 0.48 | 0.26 | v | ----- | z | 0.06 | 0.88 | s | 0.48 | t | 0.71 | a | 0.98 | h | ----- | z | |||
1912 | 0.86 | j | 0.71 | l | 0.62 | t | 0.54 | l | 1.07 | u | 0.78 | s | 0.48 | u | 0.51 | y | 0.79 | x | 0.82 | n | 0.88 | i | 0.97 | j | ----- | z |
1913 | 0.84 | h | 0.58 | s | 0.27 | l | 0.38 | v | 0.40 | o | 0.34 | n | 0.09 | w | ----- | z | 1.17 | t | 0.65 | 0.68 | 0.57 | d | ----- | z | ||
1914 | 1.90 | 0.52 | f | 0.41 | r | 0.87 | 0.26 | u | 0.59 | u | 0.01 | 0.00 | 1.21 | 0.80 | p | 1.17 | 0.49 | t | ----- | z | ||||||
1915 | 1.79 | l | 0.76 | j | 0.80 | l | 1.80 | o | 1.40 | 0.30 | u | 0.12 | 0.00 | 0.25 | w | 0.80 | h | 0.88 | 0.92 | c | ----- | z | ||||
1916 | 1.36 | l | 1.25 | l | 0.83 | g | 0.55 | k | 0.38 | s | 0.70 | o | 1.37 | u | 0.05 | y | 0.45 | 0.39 | q | 1.05 | g | 0.78 | h | ----- | z | |
1917 | 0.36 | j | 1.14 | d | 0.45 | h | 0.57 | 0.55 | o | 1.13 | q | 0.06 | 0.01 | 0.36 | s | 0.00 | 0.18 | v | 1.86 | ----- | z | |||||
1918 | 0.58 | n | 1.50 | 0.66 | 0.62 | ----- | z | 0.02 | 1.05 | y | 0.33 | u | 0.09 | 1.14 | j | 0.76 | m | 1.11 | n | ----- | z | |||||
1919 | 1.52 | 0.54 | 0.30 | 0.55 | 0.60 | ----- | z | ----- | z | ----- | z | 1.07 | x | 0.50 | 1.35 | e | 1.25 | q | ----- | z | ||||||
1920 | 0.96 | 0.19 | 1.35 | 0.59 | 0.49 | 0.50 | 1.40 | 0.68 | 0.50 | m | ----- | z | 1.48 | 1.16 | e | ----- | z | |||||||||
1921 | 0.72 | f | 0.74 | 1.32 | 0.45 | 1.13 | r | 0.34 | j | 0.30 | 0.50 | 0.56 | 0.71 | 2.42 | b | 2.77 | j | ----- | z | |||||||
1922 | 0.39 | 0.60 | 3.50 | 0.54 | 0.35 | 0.02 | 0.00 | 0.50 | s | 0.45 | w | 0.42 | n | 0.52 | m | 1.36 | d | ----- | z | |||||||
1923 | 1.17 | k | 1.33 | a | 0.29 | l | 0.25 | 0.58 | 0.57 | 0.35 | 1.30 | 0.91 | 0.79 | 0.45 | 1.00 | 1.33 | x | |||||||||
1924 | 0.87 | 1.90 | 0.21 | 0.41 | 0.30 | 0.42 | 0.20 | ----- | z | 1.36 | w | 0.87 | 0.92 | 1.79 | ----- | z | ||||||||||
1925 | 0.72 | 0.83 | 0.40 | 0.64 | 1.12 | 0.29 | 0.06 | 0.82 | 0.51 | 0.15 | 0.81 | 0.98 | 1.12 | |||||||||||||
1926 | 0.82 | 0.52 | 0.20 | 0.26 | 0.63 | 0.28 | 0.02 | 0.72 | 0.32 | 1.07 | l | 0.79 | j | 0.80 | 1.07 | v | ||||||||||
1927 | 1.22 | m | 0.70 | 0.57 | 0.48 | 0.55 | 0.22 | 0.74 | 0.92 | 0.69 | 1.30 | 0.57 | 0.45 | 1.30 | m | |||||||||||
1928 | 1.30 | 0.36 | 0.67 | 0.50 | 0.17 | 0.48 | v | 0.12 | ----- | z | 0.42 | 0.49 | 0.58 | 1.02 | o | ----- | z | |||||||||
1929 | 0.50 | 0.56 | 1.00 | h | 0.38 | 0.55 | 0.54 | 0.03 | 0.88 | 0.16 | 0.56 | 0.38 | 1.01 | 1.01 | h | |||||||||||
1930 | 0.61 | b | 0.55 | 0.53 | 0.39 | 1.00 | 1.00 | 0.00 | 0.01 | 0.70 | 0.94 | 0.62 | 0.45 | 1.00 | b | |||||||||||
1931 | 1.45 | 0.81 | 0.62 | ----- | z | ----- | z | 0.92 | 0.09 | 0.01 | 1.62 | 0.93 | 0.63 | 1.00 | ----- | z | ||||||||||
1932 | 1.02 | m | 0.82 | 0.62 | 0.74 | 0.19 | 0.16 | 0.78 | 0.35 | 0.13 | 0.98 | 2.03 | 1.39 | 2.03 | m | |||||||||||
1933 | 0.74 | 0.79 | 0.89 | 0.53 | 0.91 | 0.73 | 0.65 | 1.22 | 0.83 | 0.86 | 2.27 | 1.57 | 2.27 | |||||||||||||
1934 | 1.42 | 0.49 | 0.63 | 0.78 | 0.97 | 0.18 | 0.61 | 0.23 | 0.72 | 0.65 | 1.25 | 0.77 | 1.42 | |||||||||||||
1935 | 1.69 | k | 0.45 | 0.88 | 0.54 | 0.53 | 0.87 | 0.30 | 0.29 | 0.77 | 1.60 | 0.42 | 0.59 | 1.69 | k | |||||||||||
1936 | 1.37 | 0.91 | 0.37 | 0.24 | 0.60 | 0.87 | 0.26 | 0.12 | 0.65 | 0.50 | 0.45 | 1.23 | 1.37 | |||||||||||||
1937 | 0.35 | 1.44 | 0.68 | 1.12 | 0.40 | 0.60 | 0.13 | 0.61 | 1.10 | 0.70 | 1.77 | 2.55 | 2.55 | |||||||||||||
1938 | 1.30 | 0.51 | 0.55 | 0.52 | 0.44 | 0.57 | 0.05 | 0.15 | 0.15 | 0.63 | 0.60 | 0.69 | 1.30 | |||||||||||||
1939 | 1.50 | 1.05 | 0.70 | 0.04 | 0.46 | 0.34 | 0.21 | 0.18 | 0.51 | 0.61 | 0.60 | 1.30 | 1.50 | |||||||||||||
1940 | 1.00 | 1.35 | 0.75 | 1.05 | 1.07 | 0.58 | 0.46 | 0.09 | 1.15 | 1.57 | 0.58 | 1.31 | 1.57 | |||||||||||||
1941 | 1.10 | 0.53 | 0.40 | 0.72 | 1.00 | 0.25 | 0.24 | 0.48 | 0.94 | l | 0.95 | 1.04 | 1.51 | 1.51 | l | |||||||||||
1942 | 0.74 | 0.89 | 0.73 | 0.77 | 0.55 | 0.52 | 0.21 | 0.44 | 0.15 | 0.99 | q | 1.86 | 0.82 | 1.86 | q | |||||||||||
1943 | 2.14 | c | 0.69 | 1.62 | 0.54 | 0.33 | 0.53 | 0.22 | 0.66 | 0.06 | 1.45 | 0.60 | 0.88 | 2.14 | c | |||||||||||
1944 | 0.64 | 0.53 | 0.37 | 0.80 | 0.74 | 0.71 | 0.25 | 0.12 | 0.39 | 0.45 | 0.95 | 0.23 | 0.95 | |||||||||||||
1945 | 0.50 | 1.39 | 0.74 | 0.65 | 0.65 | 0.18 | 0.16 | 0.30 | 1.02 | 0.67 | 0.72 | 1.00 | 1.39 | |||||||||||||
1946 | 1.22 | 1.05 | 0.53 | 0.50 | 0.30 | 0.80 | 0.42 | 0.09 | 0.58 | 0.76 | 0.46 | s | 0.99 | 1.22 | s | |||||||||||
1947 | 0.87 | ----- | z | 0.46 | 0.55 | 0.67 | 0.56 | 0.42 | 0.60 | ----- | z | ----- | z | 1.03 | 1.09 | ----- | z | |||||||||
1948 | 1.31 | 0.93 | 1.09 | 0.42 | 1.36 | 0.76 | 0.60 | 0.35 | 1.40 | 0.75 | 1.19 | 0.68 | 1.40 | |||||||||||||
1949 | 0.76 | 1.31 | 0.90 | 0.25 | 0.57 | 0.10 | 0.28 | 0.25 | 0.83 | 1.04 | 1.39 | 0.64 | 1.39 | |||||||||||||
1950 | 1.72 | 1.03 | 1.80 | 0.86 | 0.36 | 0.10 | 0.56 | 0.68 | 0.91 | 0.87 | 1.57 | 0.77 | 1.80 | |||||||||||||
1951 | 1.21 | 1.92 | 0.61 | 0.27 | 0.48 | 0.19 | 0.13 | 0.58 | 0.56 | 0.61 | 0.77 | 1.14 | 1.92 | |||||||||||||
1952 | 1.03 | 0.45 | 0.37 | 0.47 | 0.14 | 0.84 | e | 0.46 | 0.40 | 0.33 | 0.93 | 1.35 | a | 0.64 | 1.35 | f | ||||||||||
1953 | 1.42 | 0.31 | 0.51 | 0.39 | 0.35 | 0.53 | 0.60 | 0.25 | 1.81 | 1.25 | 0.52 | 0.62 | 1.81 | |||||||||||||
1954 | 1.17 | 0.77 | 1.11 | 0.46 | 0.12 | c | 0.91 | 0.34 | 0.21 | 0.38 | 0.31 | 1.17 | 1.15 | 1.17 | c | |||||||||||
1955 | 0.42 | 0.88 | 0.33 | 0.58 | 0.56 | 0.59 | 0.57 | 0.00 | 0.48 | 1.01 | 1.05 | 1.59 | 1.59 | |||||||||||||
1956 | 1.18 | 0.66 | 0.56 | 0.33 | 0.35 | 0.65 | 0.14 | 0.44 | 0.80 | 0.64 | 0.59 | 1.72 | 1.72 | |||||||||||||
1957 | 0.57 | 1.14 | a | 0.72 | 0.47 | 0.57 | 0.60 | ----- | z | ----- | z | 0.36 | 1.16 | i | 0.64 | d | 1.07 | ----- | z | |||||||
1958 | ----- | z | 1.01 | 0.36 | 0.93 | 0.32 | 0.37 | 0.00 | 0.07 | c | 0.37 | 2.00 | 0.82 | d | ----- | z | ----- | z | ||||||||
1959 | 1.65 | i | 0.82 | b | 0.49 | 0.90 | 0.55 | 1.26 | 1.41 | c | 0.01 | 1.39 | 0.56 | 2.46 | 2.23 | 2.46 | n | |||||||||
1960 | 1.46 | 1.25 | 0.93 | 0.54 | 0.60 | 0.93 | b | 0.00 | 0.85 | b | 0.67 | b | 1.70 | c | 2.54 | d | 1.39 | j | 2.54 | w | ||||||
1961 | 1.40 | b | 1.50 | 1.23 | 0.38 | b | 1.05 | e | 0.23 | a | 0.00 | c | 0.27 | a | 0.64 | c | 0.59 | b | 0.75 | c | 1.92 | k | ----- | z | ||
1962 | 0.68 | 0.29 | 0.73 | e | 0.70 | 0.33 | 0.25 | a | 0.75 | 0.13 | e | 0.74 | a | 1.10 | 2.00 | 0.71 | d | 2.00 | p | |||||||
1963 | 0.48 | 1.15 | 0.67 | c | 0.40 | 0.65 | b | 0.78 | b | 1.80 | a | 4.00 | b | 0.45 | 0.93 | b | 1.30 | a | 1.02 | e | 4.00 | r | ||||
1964 | ----- | z | ----- | z | 0.77 | 0.64 | 0.60 | 0.95 | ----- | z | ----- | z | 1.16 | 0.33 | 1.37 | i | 1.38 | ----- | z | |||||||
1965 | 0.89 | 0.95 | 0.18 | 1.62 | 0.58 | 0.25 | 0.30 | 0.96 | 0.26 | 0.50 | 0.84 | 1.50 | 1.62 | |||||||||||||
1966 | 1.88 | 0.58 | 0.82 | 0.58 | 0.36 | 0.32 | 0.64 | 0.15 | 0.66 | 0.98 | 1.60 | 1.42 | 1.88 | |||||||||||||
1967 | 1.30 | 0.57 | 0.51 | 1.20 | 0.19 | 0.92 | 0.03 | 0.00 | 0.52 | 0.94 | 0.47 | 1.02 | 1.30 | |||||||||||||
1968 | 1.28 | 1.25 | 0.85 | 0.54 | 0.69 | 1.15 | 0.20 | 1.03 | 0.79 | 0.68 | 0.86 | 1.52 | 1.52 | |||||||||||||
1969 | 0.65 | 0.98 | 0.68 | 0.66 | 1.06 | 0.65 | 0.10 | 0.09 | 1.42 | 0.70 | 0.90 | 0.93 | 1.42 | |||||||||||||
1970 | 1.53 | 0.92 | 1.25 | 0.84 | 0.66 | 0.16 | 0.30 | 0.35 | 0.60 | 0.65 | 0.65 | 1.54 | 1.54 | |||||||||||||
1971 | 1.32 | 0.74 | 0.88 | 1.10 | 0.34 | 0.70 | 0.77 | 0.34 | 1.33 | 0.75 | 0.90 | 0.64 | 1.33 | |||||||||||||
1972 | 1.10 | 1.51 | 2.15 | 0.84 | 0.19 | 0.92 | 0.20 | 0.60 | 1.78 | 0.20 | 0.72 | 1.51 | 2.15 | |||||||||||||
1973 | 0.87 | 0.72 | 0.50 | 0.38 | 0.80 | 0.94 | 0.09 | 0.35 | 0.55 | 1.23 | 1.68 | 1.00 | 1.68 | |||||||||||||
1974 | 0.90 | 1.10 | 0.75 | 0.52 | 0.25 | 0.32 | 0.65 | 0.11 | 0.13 | 0.65 | 1.05 | 2.05 | 2.05 | |||||||||||||
1975 | 0.90 | 1.05 | 1.60 | 0.60 | 0.68 | 0.31 | 0.03 | 0.78 | 0.03 | 1.08 | 1.35 | 1.45 | 1.60 | |||||||||||||
1976 | 0.74 | 0.65 | 0.73 | 0.52 | 0.34 | 0.36 | 0.55 | 0.80 | 0.65 | 0.50 | 0.10 | 0.56 | 0.80 | |||||||||||||
1977 | 0.62 | 0.45 | 0.96 | 0.45 | 0.58 | 0.55 | 0.18 | 1.16 | 0.54 | 0.55 | 1.00 | b | 0.87 | 1.16 | b | |||||||||||
1978 | 1.12 | 0.60 | 0.75 | 1.15 | 0.63 | 0.42 | 0.70 | 0.36 | 1.17 | 1.08 | 1.42 | b | 0.38 | 1.42 | b | |||||||||||
1979 | 0.56 | 0.95 | 0.30 | 0.51 | 0.23 | 0.15 | ----- | z | ----- | z | 0.70 | 0.83 | 0.73 | 1.75 | ----- | z | ||||||||||
1980 | 1.30 | 1.50 | 0.46 | 0.76 | 0.41 | 0.65 | 0.13 | 1.28 | 0.32 | 0.42 | 1.55 | 1.30 | 1.55 | |||||||||||||
1981 | 0.55 | 1.90 | 0.58 | 0.50 | 0.80 | 0.33 | 0.83 | 0.15 | 0.78 | 3.20 | 1.00 | 1.20 | 3.20 | |||||||||||||
1982 | 0.82 | 0.85 | 0.67 | 0.70 | 0.26 | a | 0.50 | 0.27 | 0.33 | 0.50 | 0.98 | 1.31 | 2.00 | 2.00 | a | |||||||||||
1983 | 2.00 | 0.78 | 0.55 | 0.49 | 0.50 | 0.80 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.05 | 0.90 | 0.77 | 0.60 | 0.57 | 0.53 | 0.35 | 0.47 | 0.69 | 0.85 | 1.06 | 1.14 | 1.61 | |||||||||||||
S.D. | 0.43 | 0.39 | 0.52 | 0.26 | 0.29 | 0.29 | 0.36 | 0.57 | 0.42 | 0.48 | 0.55 | 0.48 | 0.46 | |||||||||||||
SKEW | 0.47 | 0.68 | 2.82 | 1.12 | 0.85 | 0.28 | 1.86 | 3.87 | 0.79 | 2.17 | 0.96 | 0.59 | 1.17 | |||||||||||||
MAX | 2.14 | 1.92 | 3.50 | 1.62 | 1.40 | 1.26 | 1.80 | 4.00 | 1.81 | 3.20 | 2.54 | 2.55 | 3.20 | |||||||||||||
MIN | 0.35 | 0.19 | 0.18 | 0.04 | 0.12 | 0.02 | 0.00 | 0.00 | 0.03 | 0.00 | 0.10 | 0.23 | 0.80 | |||||||||||||
YRS | 59 | 67 | 64 | 69 | 66 | 65 | 66 | 63 | 61 | 60 | 64 | 61 | 37 |