YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1901 | ----- | z | ----- | z | ----- | z | 0.40 | a | 1.11 | 0.13 | 0.28 | 0.50 | ----- | z | ----- | z | 0.01 | 0.15 | ----- | z | ||||||
1902 | 0.60 | 0.65 | 0.40 | 0.05 | ----- | z | 0.03 | 0.04 | 0.08 | 1.33 | 0.00 | 0.78 | ----- | z | ----- | z | ||||||||||
1903 | 0.60 | 0.60 | a | 0.54 | 0.24 | 0.63 | 0.57 | 0.18 | 0.17 | 0.69 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.12 | 0.22 | 0.65 | r | 0.28 | 0.91 | ----- | z | 0.28 | ----- | z | |||||
1905 | 0.64 | 1.22 | a | 0.89 | 1.00 | 0.62 | 0.04 | 0.33 | 0.00 | 0.96 | 0.16 | ----- | z | 0.16 | ----- | z | ||||||||||
1906 | 0.60 | 0.00 | x | ----- | z | ----- | z | ----- | z | 0.00 | 0.25 | 0.45 | 1.27 | 0.48 | b | 0.39 | x | 0.21 | ----- | z | ||||||
1907 | 0.60 | 0.23 | 0.20 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1908 | ----- | z | ----- | z | ----- | z | 0.51 | 0.43 | 0.14 | 0.42 | 0.81 | 0.80 | 0.96 | ----- | z | 1.55 | ----- | z | ||||||||
1909 | 0.65 | 0.60 | 0.22 | 0.37 | 0.00 | 0.06 | 1.68 | 0.30 | 0.47 | 0.37 | 0.58 | 0.97 | 1.68 | |||||||||||||
1910 | 0.38 | 0.36 | a | 0.49 | 0.26 | 0.10 | y | 0.60 | 0.51 | v | 0.41 | 0.33 | s | 0.63 | x | ----- | z | ----- | z | ----- | z | |||||
1911 | ----- | z | ----- | z | 0.23 | v | 0.54 | ----- | z | 0.57 | r | 0.61 | g | ----- | z | ----- | z | 1.28 | w | 0.05 | v | 0.20 | u | ----- | z | |
1912 | ----- | z | 0.85 | 0.25 | p | 0.38 | u | ----- | z | 1.16 | u | 0.70 | q | 0.08 | x | ----- | z | 1.02 | s | ----- | z | 0.22 | w | ----- | z | |
1913 | 0.08 | y | 0.40 | 0.20 | w | ----- | z | ----- | z | ----- | z | 0.21 | p | 0.27 | q | 0.44 | o | ----- | z | 0.71 | p | 0.71 | u | ----- | z | |
1914 | 1.50 | v | 0.22 | u | 0.27 | x | 0.18 | q | 0.50 | r | 0.48 | p | 0.34 | 0.67 | q | ----- | z | ----- | z | ----- | z | 0.37 | w | ----- | z | |
1915 | 0.40 | x | 0.00 | y | ----- | z | 0.64 | x | 0.65 | w | 0.48 | y | ----- | z | 0.13 | ----- | z | ----- | z | 0.50 | 0.61 | x | ----- | z | ||
1916 | 0.40 | r | 0.36 | a | 0.42 | 0.55 | 0.54 | 0.00 | 0.82 | 0.84 | 0.32 | 0.74 | 0.08 | 0.34 | 0.84 | s | ||||||||||
1917 | 0.37 | 0.24 | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | 0.90 | y | 0.38 | u | ----- | z | ----- | z | ----- | z | ----- | z | |||
1918 | 0.50 | q | 0.15 | 0.25 | q | 0.37 | r | ----- | z | 0.85 | r | ----- | z | ----- | z | 0.68 | x | ----- | z | ----- | z | 0.20 | y | ----- | z | |
1919 | ----- | z | 0.40 | u | 0.10 | y | ----- | z | 0.70 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | 1.14 | v | 0.45 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | 0.50 | x | ----- | z | 0.60 | x | 0.85 | y | ----- | z | 0.69 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | 0.25 | u | 0.32 | 0.30 | y | ----- | z | ----- | z | ----- | z | 0.42 | y | ----- | z | ----- | z | ----- | z | 0.40 | ----- | z | ||
1923 | ----- | z | 0.07 | y | ----- | z | ----- | z | ----- | z | ----- | z | 0.53 | q | 0.45 | ----- | z | ----- | z | 0.82 | ----- | z | ----- | z | ||
1924 | ----- | z | ----- | z | 0.20 | ----- | z | ----- | z | ----- | z | 1.00 | u | ----- | z | ----- | z | ----- | z | ----- | z | 2.00 | t | ----- | z | |
1925 | ----- | z | 0.15 | y | ----- | z | ----- | z | ----- | z | 0.41 | v | 1.00 | y | 0.50 | x | 1.30 | 1.52 | y | ----- | z | ----- | z | ----- | z | |
1926 | ----- | z | 0.20 | t | 0.15 | y | 0.50 | 0.95 | x | ----- | z | ----- | z | ----- | z | ----- | z | 0.62 | ----- | z | 0.60 | x | ----- | z | ||
1927 | 0.30 | y | 0.90 | t | 0.60 | ----- | z | ----- | z | 1.20 | 0.20 | 0.90 | 1.05 | t | 2.00 | 0.15 | ----- | z | ----- | z | ||||||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.75 | y | 1.10 | x | 0.50 | ----- | z | |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.55 | t | 0.50 | u | 0.01 | ----- | z | ----- | z | |
1930 | 0.35 | x | 0.10 | 0.50 | 0.60 | a | 0.09 | b | 0.10 | 0.49 | b | 0.34 | 0.52 | 0.20 | 0.25 | a | 0.03 | ----- | z | |||||||
1931 | 0.08 | 0.34 | 0.40 | 0.15 | 0.10 | 0.35 | 0.42 | 0.23 | 0.43 | 1.25 | 0.22 | 0.20 | 1.25 | |||||||||||||
1932 | 0.05 | 0.37 | 0.30 | 1.05 | 0.25 | e | 0.18 | 0.95 | 1.10 | 0.92 | 0.25 | 0.01 | 0.24 | 1.10 | e | |||||||||||
1933 | 0.40 | 0.05 | 0.25 | 0.29 | 0.60 | 0.03 | 1.40 | b | 0.27 | 0.33 | 0.45 | 0.75 | 0.10 | 1.40 | b | |||||||||||
1934 | 0.77 | 0.40 | 0.03 | 0.15 | 0.34 | b | 0.09 | 0.54 | g | 0.36 | 0.33 | 0.17 | 0.41 | 0.12 | 0.77 | i | ||||||||||
1935 | 0.80 | 0.33 | 0.61 | 0.45 | 0.50 | 0.01 | 0.43 | m | 0.45 | 0.70 | f | 0.44 | u | 0.12 | ----- | z | ----- | z | ||||||||
1936 | 0.05 | 0.25 | 0.14 | 0.08 | ----- | z | 0.73 | 0.98 | 1.75 | 0.47 | 0.44 | 0.13 | 0.63 | u | ----- | z | ||||||||||
1937 | 0.18 | 0.45 | 0.45 | v | 0.00 | ----- | z | 0.16 | 1.29 | s | 0.91 | ----- | z | ----- | z | ----- | z | 0.20 | ----- | z | ||||||
1938 | ----- | z | 0.12 | y | ----- | z | ----- | z | ----- | z | 0.46 | 0.65 | 0.55 | ----- | z | ----- | z | ----- | z | 0.75 | ----- | z | ||||
1939 | 0.75 | v | 0.35 | v | 0.50 | v | 0.00 | 0.04 | ----- | z | 0.58 | 0.03 | 1.70 | ----- | z | 0.00 | 0.04 | ----- | z | |||||||
1940 | 1.00 | 0.59 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.05 | 0.67 | 0.54 | 0.92 | ----- | z | ||||||
1941 | 0.80 | 0.37 | 0.62 | 0.58 | 0.32 | 1.03 | 0.15 | 0.65 | 1.12 | 1.05 | 0.37 | 0.39 | 1.12 | |||||||||||||
1942 | 0.39 | 0.43 | 0.30 | 0.46 | 0.16 | 0.00 | 0.53 | 0.74 | 0.43 | 0.36 | 0.39 | 0.04 | 0.74 | |||||||||||||
1943 | 0.70 | 0.31 | 0.41 | 0.29 | 0.35 | 0.58 | 0.82 | 0.78 | 0.24 | 0.46 | 0.55 | 0.49 | 0.82 | |||||||||||||
1944 | 0.20 | 0.62 | 0.18 | 0.62 | 0.46 | 1.10 | 0.17 | 0.30 | 0.02 | 0.30 | 0.55 | 0.30 | 1.10 | |||||||||||||
1945 | 0.30 | ----- | z | 0.20 | 0.43 | 0.30 | 0.52 | 1.03 | 0.44 | 0.10 | 0.88 | 0.12 | 0.85 | ----- | z | |||||||||||
1946 | 0.24 | a | 0.00 | 0.35 | 0.49 | 0.65 | 0.40 | 0.75 | 0.85 | 0.25 | 0.65 | 0.50 | 0.40 | 0.85 | a | |||||||||||
1947 | ----- | z | 0.40 | 0.27 | 0.58 | 0.63 | 0.92 | 0.13 | 0.86 | 0.26 | 1.05 | 0.90 | 0.45 | ----- | z | |||||||||||
1948 | 0.20 | 0.48 | a | 0.70 | 0.35 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.39 | i | 1.07 | 0.28 | 0.65 | ----- | z | |||
1950 | 0.33 | 0.27 | 0.40 | 0.28 | 0.47 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1952 | 0.62 | 0.33 | 0.35 | 0.45 | 0.51 | 0.57 | 0.25 | 0.42 | 0.50 | 0.00 | 0.24 | 0.35 | 0.62 | |||||||||||||
1953 | 0.64 | 0.09 | 0.40 | 0.60 | 0.22 | 0.11 | 0.78 | 0.44 | 0.00 | 0.84 | 0.52 | 0.76 | 0.84 | |||||||||||||
1954 | 0.20 | 0.16 | 0.46 | 0.40 | 0.32 | 0.13 | 0.13 | 0.38 | 0.75 | 0.80 | 0.68 | 0.18 | 0.80 | |||||||||||||
1955 | 0.48 | 0.90 | 0.03 | 0.19 | 0.47 | 0.39 | 0.44 | 0.44 | 0.03 | 0.08 | 0.55 | 0.35 | 0.90 | |||||||||||||
1956 | 0.97 | 0.13 | 0.00 | 0.33 | 0.23 | 0.26 | 0.36 | 0.28 | 0.00 | 0.41 | 0.12 | 0.23 | 0.97 | |||||||||||||
1957 | 0.50 | 0.30 | 0.26 | 0.56 | 0.53 | 0.61 | 0.65 | 0.56 | 0.14 | 1.49 | 0.92 | 0.07 | 1.49 | |||||||||||||
1958 | 0.40 | 0.75 | 0.32 | ----- | z | 0.15 | 0.35 | 0.09 | 0.94 | 0.54 | 0.78 | 0.00 | f | ----- | z | ----- | z | |||||||||
1959 | ----- | z | ----- | z | 0.00 | 0.22 | 0.06 | 0.09 | 0.48 | 0.64 | 0.86 | 0.28 | 0.12 | 0.78 | ----- | z | ||||||||||
1960 | 0.50 | 0.26 | 0.18 | 0.57 | 0.30 | 0.11 | 0.32 | 0.66 | a | 0.58 | 1.16 | 0.42 | 0.44 | 1.16 | a | |||||||||||
1961 | ----- | z | 0.56 | 0.69 | 0.89 | 0.53 | ----- | 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 | 0.82 | 0.16 | ----- | z | ||
1964 | 0.00 | 0.00 | 0.29 | 0.30 | 0.34 | 0.18 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 0.66 | 0.59 | 0.53 | 1.64 | 1.39 | 2.04 | 0.94 | 0.63 | ----- | z | ||||||||
1966 | 0.17 | 0.33 | a | 0.03 | 0.31 | 0.42 | 0.41 | 1.24 | a | 0.74 | b | 1.04 | d | 0.60 | 0.81 | 1.59 | c | 1.59 | k | |||||||
1967 | 0.57 | b | 0.16 | 0.17 | 0.08 | 0.82 | ----- | z | ----- | z | 0.08 | p | 0.39 | 0.14 | 0.35 | 1.30 | ----- | z | ||||||||
1968 | 0.16 | 0.55 | 0.51 | 0.52 | 0.72 | 0.05 | 0.44 | 0.46 | 0.01 | ----- | z | 0.32 | 0.63 | ----- | z | |||||||||||
1969 | 0.98 | 0.35 | 0.32 | 0.00 | 0.82 | 0.77 | 0.58 | 1.06 | 0.51 | 0.83 | 0.36 | 0.35 | 1.06 | |||||||||||||
1970 | 0.40 | 0.10 | 0.50 | 0.70 | 0.23 | 1.01 | 0.34 | 0.27 | 0.69 | 0.89 | a | 1.03 | 0.60 | 1.03 | a | |||||||||||
1971 | 0.00 | 0.35 | 0.05 | 0.78 | 0.50 | 0.06 | 0.10 | 1.07 | 0.90 | 1.00 | 0.75 | 1.00 | 1.07 | |||||||||||||
1972 | 0.15 | 0.07 | 0.08 | 0.11 | 0.09 | 0.59 | 0.43 | 0.41 | 0.78 | 1.90 | 0.32 | ----- | z | ----- | z | |||||||||||
1973 | 0.68 | b | 0.10 | ----- | z | 0.52 | 0.55 | 1.95 | 0.22 | 0.55 | 0.25 | 0.82 | 0.60 | a | 0.22 | ----- | z | |||||||||
1974 | ----- | z | 0.12 | 0.08 | 0.46 | 0.00 | 0.05 | 1.23 | 0.14 | 0.04 | 0.73 | 0.30 | 0.30 | ----- | z | |||||||||||
1975 | 0.05 | d | 0.32 | 0.29 | 0.51 | b | 0.69 | 0.42 | h | 0.48 | 0.10 | 0.61 | 0.37 | 0.28 | a | 0.10 | 0.69 | o | ||||||||
1976 | 0.30 | 0.19 | b | 0.50 | 0.21 | 0.67 | 0.19 | 0.39 | 1.93 | 0.45 | 0.50 | 0.17 | 0.05 | 1.93 | b | |||||||||||
1977 | 0.03 | ----- | z | 0.52 | a | 0.19 | 0.37 | 0.14 | 0.42 | 0.19 | 0.10 | 0.85 | 0.77 | 0.35 | ----- | z | ||||||||||
1978 | 0.73 | 0.40 | 0.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.43 | 0.36 | 0.33 | 0.40 | 0.42 | 0.37 | 0.51 | 0.58 | 0.57 | 0.71 | 0.43 | 0.45 | 1.10 | |||||||||||||
S.D. | 0.28 | 0.24 | 0.20 | 0.24 | 0.25 | 0.40 | 0.37 | 0.42 | 0.43 | 0.49 | 0.29 | 0.38 | 0.33 | |||||||||||||
SKEW | 0.20 | 1.14 | 0.34 | 0.46 | 0.28 | 1.66 | 1.26 | 1.33 | 0.65 | 0.98 | 0.28 | 1.37 | 0.96 | |||||||||||||
MAX | 1.00 | 1.22 | 0.89 | 1.05 | 1.11 | 1.95 | 1.68 | 1.93 | 1.70 | 2.04 | 1.03 | 1.59 | 1.93 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.62 | |||||||||||||
YRS | 45 | 50 | 49 | 50 | 45 | 49 | 47 | 50 | 46 | 45 | 47 | 47 | 19 |