YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.02 | ----- | z | 0.25 | 0.24 | ----- | z | |||
1940 | 0.20 | 0.40 | 0.08 | 0.39 | 0.66 | 0.37 | 1.03 | 0.90 | 0.92 | 0.22 | 0.62 | 0.53 | 1.03 | |||||||||||||
1941 | 0.35 | 0.33 | 0.41 | 1.02 | 0.51 | 0.82 | 0.50 | 0.66 | 3.04 | 0.34 | 0.33 | 0.37 | 3.04 | |||||||||||||
1942 | 0.17 | 0.21 | 0.30 | 0.15 | 0.00 | 0.16 | 0.75 | 0.48 | 0.54 | 0.13 | 0.00 | 0.25 | 0.75 | |||||||||||||
1943 | 0.24 | 0.04 | 0.15 | 0.20 | 0.11 | 0.17 | 0.63 | 0.61 | 0.56 | 0.20 | 0.14 | 0.47 | 0.63 | |||||||||||||
1944 | 0.18 | 0.15 | 0.30 | 0.06 | 0.13 | 0.01 | 0.50 | 0.52 | 1.55 | 0.27 | 0.57 | 0.26 | 1.55 | |||||||||||||
1945 | 0.07 | 0.01 | 0.37 | 0.02 | 0.04 | 0.09 | 0.14 | 0.28 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1946 | ----- | z | 0.02 | 0.07 | 0.37 | 0.03 | 0.23 | 0.51 | 0.60 | 0.44 | 0.16 | 0.26 | 0.35 | ----- | z | |||||||||||
1947 | 0.06 | 0.00 | 0.00 | 0.01 | 0.40 | 0.40 | 0.44 | 0.83 | 0.25 | 0.07 | 0.38 | 0.90 | 0.90 | |||||||||||||
1948 | 0.09 | 0.93 | 0.19 | 0.00 | 0.01 | 0.38 | 0.55 | 0.45 | 0.25 | 0.40 | 0.00 | 0.25 | 0.93 | |||||||||||||
1949 | 0.16 | n | 0.02 | 0.05 | 0.29 | 0.12 | 0.29 | 0.42 | a | 0.46 | 0.23 | 0.12 | 0.17 | 0.16 | 0.46 | o | ||||||||||
1950 | 0.10 | 0.34 | 0.22 | 0.00 | 0.00 | 0.28 | 0.68 | 0.34 | 0.53 | 0.16 | 0.00 | 0.00 | 0.68 | |||||||||||||
1951 | 0.12 | 0.30 | 0.14 | 0.22 | 0.00 | 0.00 | 0.29 | 0.57 | 0.04 | 0.64 | a | 0.10 | 0.09 | b | 0.64 | c | ||||||||||
1952 | 0.50 | 0.17 | 0.20 | 0.34 | 0.22 | 2.15 | 0.50 | 0.90 | 0.28 | 0.00 | 0.20 | 0.01 | a | 2.15 | a | |||||||||||
1953 | 0.00 | 0.55 | 0.65 | 0.33 | 0.02 | 0.25 | 1.18 | 0.53 | ----- | z | ----- | z | ----- | z | 0.18 | ----- | z | |||||||||
1954 | 0.16 | 0.02 | 0.30 | 0.07 | 0.34 | 0.09 | 0.62 | 0.69 | 0.26 | 0.90 | 0.00 | 0.05 | 0.90 | |||||||||||||
1955 | 0.47 | 0.07 | 0.00 | 0.14 | 0.18 | 0.24 | 1.37 | 0.36 | 0.01 | 0.54 | 0.00 | 0.14 | 1.37 | |||||||||||||
1956 | 0.29 | 0.19 | 0.00 | 0.10 | 0.12 | 0.24 | 0.35 | 0.63 | 0.00 | 0.22 | 0.00 | 0.00 | 0.63 | |||||||||||||
1957 | 0.09 | 0.05 | ----- | z | 0.08 | c | ----- | z | 0.44 | 0.51 | 1.20 | 0.19 | 0.46 | 0.17 | 0.15 | ----- | z | |||||||||
1958 | 0.85 | 0.25 | 0.38 | 0.96 | 0.12 | 0.37 | 0.63 | 0.71 | 0.90 | 0.67 | 0.23 | 0.05 | 0.96 | |||||||||||||
1959 | 0.21 | 0.25 | 0.01 | 0.06 | 0.00 | 0.31 | 0.20 | 1.14 | 0.03 | 0.64 | 0.18 | 0.53 | 1.14 | |||||||||||||
1960 | 0.27 | 0.20 | 0.00 | 0.05 | 0.26 | 0.17 | 0.69 | 0.19 | 0.63 | 1.26 | 0.00 | 0.27 | 1.26 | |||||||||||||
1961 | 0.20 | ----- | z | 0.24 | a | 0.09 | 0.03 | 0.11 | 0.39 | 0.82 | 0.68 | 0.91 | a | 0.61 | 0.32 | ----- | z | |||||||||
1962 | ----- | z | 0.00 | ----- | z | 0.10 | 0.00 | 0.43 | 0.34 | 0.30 | 0.72 | 0.48 | 0.25 | 0.97 | a | ----- | z | |||||||||
1963 | 0.40 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.61 | 0.67 | 0.39 | 0.24 | 0.00 | 1.00 | |||||||||||||
1964 | 0.00 | 0.20 | 0.08 | 0.75 | a | 0.00 | 0.00 | ----- | z | 0.47 | 1.34 | 0.11 | 0.11 | 0.10 | ----- | z | ||||||||||
1965 | 0.20 | 0.40 | ----- | z | ----- | z | 0.00 | 0.62 | ----- | z | 0.81 | ----- | z | ----- | z | 0.20 | 0.76 | ----- | z | |||||||
1966 | ----- | z | 0.40 | 0.00 | 0.03 | ----- | z | 1.00 | 0.74 | 0.73 | 1.00 | 0.00 | 1.25 | 0.50 | ----- | z | ||||||||||
1967 | 0.00 | 0.32 | 0.32 | 0.00 | 0.08 | 0.26 | 0.63 | 0.44 | 1.08 | 0.07 | 0.40 | 1.15 | 1.15 | |||||||||||||
1968 | 0.37 | 0.31 | 0.08 | ----- | z | 0.00 | 0.10 | 0.41 | 0.73 | 0.03 | 0.08 | 0.35 | 0.52 | ----- | z | |||||||||||
1969 | 0.03 | 0.08 | 0.10 | 0.50 | 0.35 | 0.14 | 0.61 | 2.06 | 0.43 | 0.83 | 0.01 | 1.15 | 2.06 | |||||||||||||
1970 | 0.00 | 0.27 | 0.49 | 0.15 | 0.09 | 0.08 | 0.68 | 0.43 | 0.34 | 1.13 | 0.00 | 0.11 | 1.13 | |||||||||||||
1971 | 0.30 | a | 0.10 | 0.11 | 0.29 | 0.00 | 0.00 | 0.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1972 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | b | 0.43 | 1.03 | 0.71 | 0.71 | 0.94 | 0.07 | a | ----- | z | ----- | z | ||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | 0.35 | 0.24 | 0.05 | 0.30 | 0.00 | ----- | z | ||||||
1974 | 0.18 | 0.03 | a | 0.42 | 0.01 | 0.00 | ----- | z | 1.62 | 0.39 | 0.67 | 1.40 | d | 0.00 | a | ----- | z | ----- | z | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.21 | 0.23 | 0.18 | 0.21 | 0.12 | 0.32 | 0.63 | 0.64 | 0.61 | 0.44 | 0.22 | 0.34 | 1.19 | |||||||||||||
S.D. | 0.19 | 0.24 | 0.17 | 0.27 | 0.17 | 0.40 | 0.32 | 0.34 | 0.59 | 0.39 | 0.26 | 0.33 | 0.61 | |||||||||||||
SKEW | 1.49 | 1.70 | 0.80 | 1.78 | 1.67 | 3.16 | 1.36 | 2.21 | 2.26 | 0.86 | 2.09 | 1.15 | 1.69 | |||||||||||||
MAX | 0.85 | 1.00 | 0.65 | 1.02 | 0.66 | 2.15 | 1.62 | 2.06 | 3.04 | 1.40 | 1.25 | 1.15 | 3.04 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 | 0.63 | |||||||||||||
YRS | 29 | 33 | 31 | 32 | 32 | 33 | 33 | 34 | 32 | 31 | 33 | 32 | 20 |