YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | 0.00 | 0.90 | 0.40 | 0.85 | 0.37 | 0.40 | ----- | z | ----- | z | 0.48 | a | 0.50 | ----- | z | |||||||
1912 | 0.36 | f | 1.15 | v | ----- | z | 1.70 | ----- | z | ----- | z | 0.75 | 0.25 | 1.50 | c | 0.65 | 0.44 | 0.60 | ----- | z | ||||||
1913 | 0.20 | a | 0.50 | 0.70 | ----- | z | 0.35 | 0.50 | 0.40 | w | 0.36 | 0.38 | 0.60 | 0.50 | ----- | z | ----- | z | ||||||||
1914 | 0.35 | t | 0.30 | q | ----- | z | 0.30 | x | 0.70 | 0.21 | y | 0.95 | x | ----- | z | 0.35 | 0.25 | 0.00 | ----- | z | ----- | z | ||||
1915 | ----- | z | 0.80 | ----- | z | 0.30 | 0.24 | ----- | z | ----- | z | ----- | z | 0.50 | u | 1.00 | 0.45 | ----- | z | ----- | z | |||||
1916 | ----- | z | ----- | z | 0.35 | 0.32 | a | 0.49 | v | 0.03 | y | 0.30 | q | 0.47 | 0.44 | t | 0.46 | s | 0.22 | u | 0.36 | t | ----- | z | ||
1917 | ----- | z | 0.75 | u | ----- | z | 0.80 | t | 0.57 | u | 0.60 | 0.22 | 0.31 | 0.25 | 0.26 | 0.18 | 0.22 | ----- | z | |||||||
1918 | 0.45 | 0.43 | 1.06 | 0.38 | 0.21 | 0.76 | 0.41 | 0.15 | 0.49 | 0.40 | 0.50 | w | 0.29 | 1.06 | w | |||||||||||
1919 | 0.20 | 0.24 | 0.32 | 0.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.20 | ----- | z | |||||
1920 | ----- | z | 0.27 | s | ----- | z | ----- | z | ----- | z | 0.40 | 0.07 | 2.04 | 0.23 | f | 0.58 | c | 0.32 | u | 0.30 | v | ----- | z | |||
1921 | 0.72 | v | 0.66 | r | 0.48 | x | 1.80 | o | 0.72 | u | 1.00 | x | 0.52 | r | 1.23 | v | 0.36 | ----- | z | ----- | z | 0.80 | w | ----- | z | |
1922 | 0.32 | x | 0.96 | r | 1.00 | y | 0.60 | y | 1.16 | s | 0.32 | v | 0.09 | w | 0.25 | v | ----- | z | ----- | z | 1.24 | r | 0.96 | t | ----- | z |
1923 | 0.47 | u | 0.57 | p | 0.23 | r | 1.13 | s | 1.48 | u | 0.32 | w | 0.70 | o | 0.33 | p | 1.00 | 3.70 | u | 0.30 | v | 0.23 | y | ----- | z | |
1924 | ----- | z | 0.48 | y | 1.37 | i | 0.52 | s | 1.00 | r | 0.10 | v | 1.14 | o | 0.16 | w | 0.49 | v | 0.49 | y | ----- | z | 0.55 | t | ----- | z |
1925 | 0.30 | t | 0.20 | v | ----- | z | 0.28 | u | 0.30 | r | 1.20 | q | 0.50 | n | 0.62 | m | 1.20 | r | 1.67 | p | 0.67 | x | 0.60 | t | ----- | z |
1926 | ----- | z | 0.45 | v | ----- | z | 0.90 | n | 1.08 | n | 0.42 | p | 1.23 | g | 0.26 | t | 0.35 | t | ----- | z | 0.84 | s | 0.24 | y | ----- | z |
1927 | ----- | z | 0.98 | r | ----- | z | 0.98 | s | ----- | z | 0.62 | s | 0.53 | q | 0.28 | l | 0.66 | v | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | t | ----- | z | ----- | z | 1.25 | x | 0.35 | 0.40 | x | ----- | z | |
1929 | 0.48 | w | 0.50 | u | 1.44 | x | ----- | z | 0.40 | y | 0.50 | w | 0.35 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | 0.48 | x | ----- | z | ----- | z | 0.50 | ----- | z | ----- | z | ----- | z | ----- | z | 0.36 | v | 0.55 | w | 0.20 | w | ----- | z | |
1931 | ----- | z | 0.49 | n | 0.33 | o | 0.49 | p | 0.48 | k | 0.67 | o | 1.00 | q | 0.49 | q | 0.98 | 0.38 | ----- | z | 0.30 | a | ----- | z | ||
1932 | 0.24 | a | 0.40 | k | 1.69 | 1.12 | a | 0.33 | 0.16 | 0.23 | 0.24 | 0.20 | 1.02 | 1.66 | n | ----- | z | ----- | z | |||||||
1933 | 0.37 | x | 0.20 | v | 0.53 | 2.29 | r | 1.03 | w | 0.02 | 0.13 | 0.46 | 0.67 | 0.00 | 0.08 | 0.72 | ----- | z | ||||||||
1934 | 0.18 | 0.96 | h | 0.40 | a | 0.63 | 1.35 | a | 0.40 | 0.40 | 0.21 | 0.80 | 0.16 | 0.46 | 0.30 | v | ----- | z | ||||||||
1935 | 1.20 | 0.51 | x | 0.82 | 1.46 | 0.64 | 0.40 | 0.80 | 0.43 | 0.25 | 0.24 | 0.24 | 0.21 | 1.46 | x | |||||||||||
1936 | 0.63 | y | 1.27 | 0.36 | 0.75 | 0.44 | 0.40 | 1.62 | 1.54 | 0.48 | 0.25 | 0.00 | 0.48 | 1.62 | y | |||||||||||
1937 | 0.30 | 0.78 | x | 0.60 | 0.60 | 1.00 | 0.75 | 0.67 | 0.33 | 0.00 | 0.24 | 1.90 | w | ----- | z | ----- | z | |||||||||
1938 | 0.48 | y | 0.20 | y | 0.84 | 1.30 | a | 1.75 | 0.40 | 0.50 | 0.63 | 1.00 | 0.50 | 0.24 | 0.48 | c | ----- | z | ||||||||
1939 | 0.24 | 0.40 | s | 0.36 | 0.24 | t | 0.29 | p | 0.47 | 0.24 | ----- | z | 0.48 | 0.36 | w | 0.03 | ----- | z | ----- | z | ||||||
1940 | 0.56 | v | 0.46 | x | 0.48 | y | 0.72 | d | 1.14 | a | 0.39 | 0.80 | 0.77 | 0.92 | 0.60 | 0.41 | x | 0.12 | ----- | z | ||||||
1941 | ----- | z | 0.38 | a | 0.58 | a | 1.02 | v | 0.24 | 1.09 | 0.63 | a | 0.88 | 0.36 | 0.61 | 0.62 | 0.24 | ----- | z | |||||||
1942 | 0.50 | 0.34 | 0.48 | 1.85 | a | 1.29 | 0.85 | 0.40 | 0.39 | 0.47 | 0.80 | ----- | z | 0.40 | ----- | z | ||||||||||
1943 | ----- | z | 0.35 | r | 0.68 | 0.06 | 1.09 | w | 0.36 | 0.27 | 0.33 | 0.00 | 0.23 | 0.37 | a | 0.24 | ----- | z | ||||||||
1944 | 0.21 | 0.41 | 0.79 | 0.77 | c | 0.84 | 0.60 | 0.52 | 0.06 | 0.39 | 1.41 | 0.60 | x | 0.38 | ----- | z | ||||||||||
1945 | 0.43 | 0.45 | 0.66 | a | 0.85 | u | 0.60 | 1.35 | 0.64 | 0.75 | 1.05 | 0.46 | 0.40 | 1.02 | 1.35 | v | ||||||||||
1946 | ----- | z | 0.36 | a | 1.30 | b | 0.12 | 0.76 | a | 0.50 | 0.33 | 0.67 | 0.42 | 0.31 | ----- | z | 0.10 | ----- | z | |||||||
1947 | ----- | z | 1.12 | ----- | z | 0.68 | 0.80 | 1.40 | 0.65 | 0.26 | 0.73 | 0.00 | 1.02 | 0.90 | b | ----- | z | |||||||||
1948 | 0.96 | 1.40 | 0.78 | 1.10 | 0.31 | 0.45 | 0.85 | 0.46 | 0.73 | 0.50 | 0.61 | 0.89 | 1.40 | |||||||||||||
1949 | 0.48 | 0.48 | e | 1.63 | b | 0.04 | 0.88 | 1.31 | 0.33 | 0.35 | 0.51 | 1.25 | 0.14 | 0.18 | 1.63 | g | ||||||||||
1950 | 1.02 | 0.32 | 0.38 | 0.90 | d | 1.28 | 0.25 | 0.41 | 0.32 | 1.00 | 0.16 | 0.80 | 0.18 | 1.28 | d | |||||||||||
1951 | 0.93 | 0.36 | 0.31 | 0.62 | 0.34 | 0.60 | 0.40 | 0.75 | 0.29 | 0.60 | a | 0.14 | 1.02 | 1.02 | a | |||||||||||
1952 | 0.28 | 0.21 | 1.62 | 0.40 | 0.93 | 0.23 | 0.30 | 0.34 | 0.21 | 0.10 | 0.20 | 0.20 | 1.62 | |||||||||||||
1953 | 0.46 | 0.62 | 0.25 | 0.34 | 0.14 | 0.42 | 0.41 | 0.60 | 0.45 | 0.10 | 0.34 | 0.14 | 0.62 | |||||||||||||
1954 | 0.24 | 0.26 | 0.46 | 0.04 | 0.64 | 0.57 | 0.28 | 0.48 | 0.53 | 0.47 | 0.40 | 0.21 | 0.64 | |||||||||||||
1955 | 1.25 | b | 0.30 | 0.36 | 0.34 | 0.70 | a | 0.80 | 0.38 | 0.63 | 0.20 | 0.29 | 0.76 | 0.29 | a | 1.25 | d | |||||||||
1956 | 1.39 | 0.84 | 0.08 | 0.21 | 0.35 | 0.08 | 1.20 | 0.74 | 0.00 | 0.26 | 0.18 | 0.41 | 1.39 | |||||||||||||
1957 | 0.21 | 0.31 | 0.38 | 0.64 | 0.61 | 1.50 | 0.71 | 0.84 | a | 0.14 | 0.46 | 0.43 | 0.24 | 1.50 | a | |||||||||||
1958 | 0.61 | 0.38 | 0.37 | 0.41 | 0.63 | 0.45 | 0.34 | 0.37 | 0.24 | 0.06 | 0.61 | 0.72 | 0.72 | |||||||||||||
1959 | 0.34 | 0.82 | 0.61 | 0.64 | 0.62 | 0.56 | 0.42 | 0.32 | 0.48 | 0.42 | 0.05 | 0.03 | 0.82 | |||||||||||||
1960 | 0.61 | 0.42 | 0.58 | 0.37 | 0.39 | 0.38 | 0.70 | 0.55 | 0.28 | 0.37 | 0.34 | 0.61 | 0.70 | |||||||||||||
1961 | 0.17 | 0.34 | 0.67 | 0.41 | 1.67 | 0.41 | 0.50 | 0.61 | 0.72 | 0.58 | 0.21 | 0.44 | 1.67 | |||||||||||||
1962 | 0.52 | 0.32 | 0.34 | 0.12 | 0.46 | 0.33 | 0.41 | 0.41 | 0.52 | 0.84 | 0.09 | 0.07 | 0.84 | |||||||||||||
1963 | 0.34 | 0.34 | 0.41 | 0.34 | 0.22 | 0.72 | 0.69 | 0.88 | 0.47 | 0.21 | 0.08 | 0.44 | 0.88 | |||||||||||||
1964 | 0.42 | 0.62 | 0.37 | 1.46 | 0.21 | 0.34 | 0.26 | 0.71 | 0.41 | 0.08 | 0.32 | 0.31 | 1.46 | |||||||||||||
1965 | 0.37 | 0.09 | 0.41 | 0.56 | 0.67 | 0.57 | 0.51 | 0.85 | 0.41 | 0.31 | 0.69 | 0.28 | 0.85 | |||||||||||||
1966 | 0.16 | 0.31 | 0.21 | 0.24 | 0.31 | 0.51 | 0.64 | 0.69 | 0.23 | 0.48 | a | 0.16 | 0.56 | 0.69 | a | |||||||||||
1967 | 0.46 | 0.40 | 0.30 | 0.40 | 0.69 | 0.46 | 0.40 | 0.35 | 0.70 | 0.24 | 0.57 | 0.56 | 0.70 | |||||||||||||
1968 | 0.19 | 0.50 | 0.26 | 1.28 | 0.38 | 0.08 | 0.54 | 1.55 | 0.35 | 0.51 | 0.60 | 0.27 | 1.55 | |||||||||||||
1969 | 0.38 | 0.43 | 0.41 | 1.45 | 0.74 | 0.66 | 0.30 | 0.44 | 0.31 | 1.05 | 0.35 | 0.88 | 1.45 | |||||||||||||
1970 | 0.75 | 0.55 | 0.50 | 0.38 | 0.40 | 1.30 | 0.38 | 0.78 | 0.60 | 0.98 | 0.43 | 0.25 | 1.30 | |||||||||||||
1971 | 0.64 | 0.53 | 0.80 | 0.52 | 0.51 | 0.08 | 0.24 | 0.60 | 0.62 | 0.18 | 0.38 | 0.25 | 0.80 | |||||||||||||
1972 | 0.50 | 0.28 | 0.18 | 0.50 | 0.29 | 0.24 | 0.20 | a | 0.75 | 0.54 | 1.45 | 1.60 | 0.70 | 1.60 | a | |||||||||||
1973 | 0.63 | 0.22 | 0.40 | 1.25 | 0.42 | 0.85 | 0.50 | 0.53 | 0.58 | 0.24 | 0.82 | 0.33 | 1.25 | |||||||||||||
1974 | 0.36 | 0.14 | 0.14 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.58 | ----- | z | ----- | z | ----- | z | ----- | z | |||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.08 | 0.91 | 0.50 | 0.30 | 0.13 | 0.63 | 0.35 | c | ----- | z | ||||||
1978 | 0.93 | 0.58 | 0.62 | 0.28 | ----- | z | ----- | z | 0.06 | 0.63 | 0.60 | 0.60 | 0.00 | s | 0.62 | a | ----- | z | ||||||||
1979 | ----- | z | 0.38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.51 | 0.48 | 0.57 | 0.65 | 0.63 | 0.56 | 0.49 | 0.58 | 0.50 | 0.47 | 0.40 | 0.43 | 1.12 | |||||||||||||
S.D. | 0.32 | 0.28 | 0.38 | 0.47 | 0.38 | 0.36 | 0.28 | 0.36 | 0.30 | 0.35 | 0.30 | 0.28 | 0.36 | |||||||||||||
SKEW | 1.16 | 1.71 | 1.56 | 0.90 | 1.21 | 0.99 | 1.59 | 2.03 | 0.89 | 1.11 | 1.48 | 0.94 | 0.02 | |||||||||||||
MAX | 1.39 | 1.40 | 1.69 | 1.85 | 1.75 | 1.50 | 1.62 | 2.04 | 1.50 | 1.45 | 1.60 | 1.20 | 1.67 | |||||||||||||
MIN | 0.16 | 0.09 | 0.00 | 0.04 | 0.14 | 0.02 | 0.06 | 0.06 | 0.00 | 0.00 | 0.00 | 0.03 | 0.62 | |||||||||||||
YRS | 39 | 40 | 46 | 45 | 45 | 48 | 49 | 50 | 53 | 51 | 44 | 46 | 25 |