YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | 0.48 | ----- | z | 1.25 | 1.00 | 0.25 | 0.00 | ----- | z | ----- | z | ||||||
1921 | 0.28 | 0.28 | 0.20 | 0.35 | 0.45 | 0.75 | 0.95 | 1.50 | 0.10 | 0.12 | 0.00 | 0.40 | 1.50 | |||||||||||||
1922 | 0.09 | 0.35 | 0.08 | 0.40 | 0.00 | 0.00 | 0.12 | 0.25 | 0.00 | 0.00 | 0.35 | 0.30 | 0.40 | |||||||||||||
1923 | 0.00 | 0.28 | 0.70 | 0.28 | 0.00 | 0.20 | 1.05 | 1.50 | 1.00 | 0.90 | 0.65 | 0.98 | 1.50 | |||||||||||||
1924 | 0.04 | 0.50 | 0.45 | 0.20 | a | 0.00 | 0.00 | 0.80 | 0.20 | 0.10 | 0.00 | 0.00 | 0.15 | 0.80 | a | |||||||||||
1925 | 0.12 | 0.00 | 0.00 | 0.70 | 0.18 | 0.30 | 0.24 | 1.06 | a | 0.54 | 0.88 | 0.00 | 0.04 | 1.06 | a | |||||||||||
1926 | 0.40 | 0.00 | 0.23 | 0.32 | 0.64 | 0.21 | 0.70 | 0.40 | 0.58 | 0.20 | 0.07 | 0.65 | 0.70 | |||||||||||||
1927 | 0.00 | 0.47 | 0.46 | 0.11 | 0.05 | 1.55 | 0.36 | 1.54 | 0.82 | 0.04 | 0.04 | 0.06 | 1.55 | |||||||||||||
1928 | 0.00 | 0.16 | 0.15 | 0.24 | 0.38 | 0.00 | 1.10 | 1.50 | 0.09 | 0.42 | 0.08 | 0.01 | 1.50 | |||||||||||||
1929 | 0.01 | 0.21 | 0.09 | 0.02 | 0.60 | 0.08 | 0.26 | 0.79 | 1.17 | 0.30 | 0.10 | 0.08 | 1.17 | |||||||||||||
1930 | 0.07 | 0.14 | 0.14 | 0.35 | 0.10 | 0.17 | 0.71 | 0.28 | 0.85 | 0.20 | 0.12 | 0.01 | 0.85 | |||||||||||||
1931 | 0.03 | 0.34 | 0.45 | 1.55 | 0.65 | 0.40 | 0.36 | 0.83 | 1.12 | 0.24 | 0.70 | 0.14 | a | 1.55 | a | |||||||||||
1932 | 0.21 | 0.12 | 0.25 | 0.18 | 0.75 | 0.20 | 0.75 | 1.65 | 0.61 | 0.25 | 0.00 | 0.28 | 1.65 | |||||||||||||
1933 | 0.05 | 0.09 | 0.06 | 0.13 | 0.31 | 0.55 | 1.22 | 0.57 | 0.50 | 0.25 | 0.45 | a | 0.34 | 1.22 | a | |||||||||||
1934 | 0.04 | 0.05 | 0.05 | a | 0.17 | 0.21 | 0.19 | 0.44 | 0.76 | 0.72 | 0.13 | 0.30 | 0.29 | 0.76 | a | |||||||||||
1935 | 0.86 | 0.22 | 0.04 | 1.30 | 0.51 | 0.11 | 0.32 | 0.59 | 1.26 | a | 0.10 | a | 0.67 | 0.40 | 1.30 | b | ||||||||||
1936 | 0.35 | 0.20 | 0.18 | a | 0.12 | 0.62 | 1.04 | 0.32 | 0.32 | 0.68 | 0.22 | 0.02 | 0.04 | 1.04 | a | |||||||||||
1937 | 0.04 | 0.18 | 0.19 | 0.01 | 0.70 | 0.60 | 1.32 | 0.23 | 0.33 | 0.39 | 0.00 | 0.10 | 1.32 | |||||||||||||
1938 | 0.20 | 0.35 | 0.20 | 0.15 | 0.05 | 1.18 | 0.18 | 0.31 | 0.84 | 0.00 | 0.02 | 0.34 | 1.18 | |||||||||||||
1939 | 1.10 | a | 0.14 | 0.50 | 0.43 | 0.02 | 0.00 | 1.32 | 0.23 | 0.56 | 0.66 | 0.43 | 0.19 | 1.32 | a | |||||||||||
1940 | 0.24 | 0.90 | 0.53 | 0.53 | 0.62 | 0.89 | 1.20 | 0.82 | a | 0.77 | 0.07 | 0.67 | a | 0.69 | 1.20 | b | ||||||||||
1941 | 0.35 | 0.44 | 0.90 | 0.85 | 1.26 | 0.49 | 0.37 | 0.98 | 2.11 | 1.00 | 0.45 | a | 0.35 | 2.11 | a | |||||||||||
1942 | 0.21 | 0.13 | 0.11 | 0.35 | 0.00 | 0.00 | 0.14 | 0.31 | 0.50 | 0.29 | 0.00 | 0.35 | 0.50 | |||||||||||||
1943 | 0.22 | 0.05 | 0.06 | 0.08 | 0.44 | 1.14 | 0.43 | 0.51 | 0.29 | 0.23 | 0.30 | 0.54 | 1.14 | |||||||||||||
1944 | 0.05 | 0.08 | 0.10 | 0.08 | 0.23 | 0.17 | 0.93 | ----- | z | 0.93 | 0.42 | 0.26 | 0.08 | ----- | z | |||||||||||
1945 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.17 | 0.79 | 0.54 | 0.36 | 0.00 | ----- | z | ----- | z | ||||||
1946 | 0.60 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | x | 0.15 | v | 0.35 | d | ----- | z |
1948 | 0.15 | 0.60 | 0.10 | l | 0.10 | b | 0.05 | 0.85 | 0.43 | a | 0.40 | 0.30 | 0.32 | 0.02 | 0.16 | 0.85 | o | |||||||||
1949 | 0.13 | 0.10 | 0.07 | 0.16 | 0.35 | 0.29 | 0.18 | x | ----- | z | ----- | z | ----- | z | ----- | z | 0.22 | c | ----- | z | ||||||
1950 | 0.00 | 0.10 | k | 0.00 | j | ----- | z | 0.00 | 0.11 | 0.20 | ----- | z | ----- | z | ----- | z | 0.04 | 0.00 | ----- | z | ||||||
1951 | 0.23 | 0.05 | 0.07 | 0.73 | a | 0.04 | 0.06 | 0.80 | 0.59 | 0.09 | 0.08 | 0.19 | 0.35 | 0.80 | a | |||||||||||
1952 | 0.22 | 0.15 | 0.10 | 0.61 | 0.38 | 0.69 | 0.83 | 0.65 | 0.54 | 0.00 | 0.40 | 0.12 | 0.83 | |||||||||||||
1953 | 0.03 | 0.29 | 0.45 | 0.50 | 0.02 | 0.67 | 0.18 | 0.41 | 0.03 | 0.17 | 0.15 | 0.17 | b | 0.67 | b | |||||||||||
1954 | 0.12 | 0.00 | 0.25 | 0.00 | 0.55 | 0.54 | 0.77 | 0.75 | 0.39 | 0.28 | 0.00 | 0.12 | 0.77 | |||||||||||||
1955 | 0.07 | 0.00 | 0.00 | ----- | z | 0.23 | 0.00 | 0.90 | 1.38 | ----- | z | ----- | z | 0.00 | 0.11 | ----- | z | |||||||||
1956 | 0.20 | 0.22 | 0.00 | 0.02 | 0.03 | f | ----- | z | ----- | z | 0.07 | p | 0.02 | 0.21 | 0.00 | 0.00 | ----- | z | ||||||||
1957 | 0.20 | 0.23 | 1.01 | 0.50 | 0.15 | 0.30 | 0.47 | 0.68 | 0.00 | 0.68 | 0.48 | 0.07 | 1.01 | |||||||||||||
1958 | 0.26 | 0.30 | 0.22 | 0.35 | 0.15 | 0.17 | 0.28 | 0.70 | 1.60 | 0.85 | 0.10 | 0.11 | 1.60 | |||||||||||||
1959 | 0.04 | 0.06 | 0.05 | 0.25 | 0.40 | 0.45 | 0.80 | 0.50 | 0.00 | 0.65 | 0.07 | 0.35 | 0.80 | |||||||||||||
1960 | 0.15 | 0.19 | 0.06 | 0.10 | ----- | z | ----- | z | 0.54 | c | 0.32 | 0.25 | 1.12 | 0.04 | 1.58 | ----- | z | |||||||||
1961 | 0.00 | 0.06 | 0.30 | 0.28 | 0.04 | 0.15 | 0.36 | 0.55 | 1.04 | 0.48 | 0.70 | 0.13 | 1.04 | |||||||||||||
1962 | 0.56 | 0.03 | 0.03 | 0.10 | 0.05 | 0.10 | 0.62 | 0.66 | 0.61 | 0.71 | 0.42 | 0.30 | 0.71 | |||||||||||||
1963 | 0.20 | 0.55 | 0.08 | 0.12 | 0.04 | 0.15 | 0.43 | 0.61 | 0.85 | 0.45 | 0.30 | 0.03 | 0.85 | |||||||||||||
1964 | 0.12 | 0.60 | 0.15 | 0.15 | 0.40 | 0.36 | 1.00 | 0.30 | 0.36 | 0.00 | 0.16 | 0.23 | 1.00 | |||||||||||||
1965 | 0.13 | b | 0.08 | 0.05 | b | 0.05 | c | 0.07 | 0.47 | ----- | z | 0.86 | d | 0.34 | 0.00 | 0.00 | ----- | z | ----- | z | ||||||
1966 | ----- | z | 0.00 | 0.00 | 0.14 | 0.06 | 0.36 | 0.40 | 0.91 | 0.90 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1967 | 0.06 | 0.21 | 0.00 | 0.00 | 0.09 | 0.31 | 0.47 | 2.10 | 1.38 | 0.26 | 0.00 | 0.80 | e | 2.10 | e | |||||||||||
1968 | 0.00 | 0.70 | 1.70 | 0.00 | 0.27 | 0.00 | 0.27 | 1.40 | 0.02 | 0.26 | 0.21 | 0.16 | 1.70 | |||||||||||||
1969 | 0.22 | 0.05 | 0.18 | 0.00 | 0.60 | 0.52 | 0.29 | 0.65 | 0.42 | 1.30 | 0.00 | 0.39 | 1.30 | |||||||||||||
1970 | 0.00 | 0.20 | 0.25 | 0.00 | 0.39 | 0.19 | 0.63 | 0.56 | 0.06 | 0.40 | 0.52 | 0.07 | 0.63 | |||||||||||||
1971 | 0.04 | 0.55 | 0.11 | 0.17 | 0.28 | 0.00 | 0.65 | 0.39 | 0.54 | 0.61 | 0.10 | 0.10 | 0.65 | |||||||||||||
1972 | 0.05 | 0.35 | 0.00 | 0.00 | 0.18 | 0.30 | 0.20 | 2.36 | 0.97 | 1.03 | 0.00 | 0.27 | 2.36 | |||||||||||||
1973 | 0.15 | 0.19 | 0.25 | 0.12 | 0.17 | 0.19 | 0.31 | 0.49 | 1.52 | 0.10 | 0.05 | 0.00 | 1.52 | |||||||||||||
1974 | 0.40 | 0.05 | 0.05 | 0.10 | 0.05 | 0.01 | 0.46 | 0.58 | 0.30 | 0.94 | 0.01 | 0.23 | 0.94 | |||||||||||||
1975 | 0.12 | 0.26 | 0.32 | 0.11 | 0.08 | 0.00 | 0.51 | 0.55 | 1.21 | 0.00 | 0.08 | 0.28 | 1.21 | |||||||||||||
1976 | 0.00 | 0.20 | 0.05 | 0.08 | a | 0.40 | 0.19 | 0.93 | 0.90 | 0.55 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.18 | 0.23 | 0.23 | 0.27 | 0.28 | 0.35 | 0.58 | 0.77 | 0.62 | 0.38 | 0.19 | 0.26 | 1.14 | |||||||||||||
S.D. | 0.21 | 0.20 | 0.31 | 0.31 | 0.27 | 0.35 | 0.33 | 0.49 | 0.47 | 0.34 | 0.22 | 0.28 | 0.42 | |||||||||||||
SKEW | 2.38 | 1.22 | 2.79 | 2.25 | 1.15 | 1.39 | 0.61 | 1.30 | 0.78 | 0.97 | 1.05 | 2.52 | 0.69 | |||||||||||||
MAX | 1.10 | 0.90 | 1.70 | 1.55 | 1.26 | 1.55 | 1.32 | 2.36 | 2.11 | 1.30 | 0.70 | 1.58 | 2.36 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | |||||||||||||
YRS | 53 | 53 | 51 | 51 | 52 | 52 | 51 | 51 | 52 | 50 | 52 | 51 | 42 |