YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1932 | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | 0.00 | 0.01 | ----- | z | ----- | z | ----- | z | 0.00 | 0.95 | ----- | z | ||||||
1933 | 0.29 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.03 | 0.00 | ----- | z | |||||||||||
1934 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.70 | 0.70 | |||||||||||||
1935 | 1.20 | 0.90 | 0.15 | 0.10 | 0.00 | 0.00 | 0.00 | 0.86 | 0.00 | 0.00 | 0.00 | 0.30 | 1.20 | |||||||||||||
1936 | 0.55 | 0.22 | 0.12 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.20 | ----- | z | ----- | z | ----- | z | ||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.60 | 0.00 | 0.08 | ----- | z | |||
1949 | 1.70 | b | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | i | 0.00 | 0.00 | 0.00 | 0.12 | 0.00 | 0.30 | 1.70 | k | ||||||||||
1950 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.00 | 0.00 | 0.00 | 0.20 | |||||||||||||
1951 | 0.18 | 0.28 | 0.18 | 0.08 | 0.00 | 0.00 | 0.00 | 0.45 | 0.02 | 0.21 | 0.13 | a | 0.39 | 0.45 | a | |||||||||||
1952 | 1.38 | 0.00 | 0.17 | 0.03 | 0.00 | 0.00 | 0.13 | 0.00 | 0.03 | 0.00 | 0.26 | 0.35 | 1.38 | |||||||||||||
1953 | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.34 | 0.00 | 0.00 | 0.07 | 0.00 | 0.34 | |||||||||||||
1954 | 0.23 | 0.00 | 0.28 | a | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.28 | a | |||||||||||
1955 | 0.27 | d | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.70 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | d | |||||||||||
1956 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | |||||||||||
1957 | 0.90 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | 0.28 | 0.02 | 0.08 | ----- | z | ||||||||
1958 | 0.01 | 0.50 | 0.30 | 0.26 | 0.10 | 0.10 | 0.28 | 0.00 | 0.00 | 0.00 | e | 0.03 | d | 0.00 | 0.50 | i | ||||||||||
1959 | 0.03 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.01 | 0.02 | 0.24 | 0.05 | 0.55 | 0.55 | |||||||||||||
1960 | 0.38 | 0.19 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.00 | 1.08 | 0.12 | 1.08 | |||||||||||||
1961 | 0.20 | 0.00 | 0.05 | 0.00 | 0.03 | 0.00 | 0.00 | 0.60 | 0.00 | 0.00 | 0.02 | 1.18 | 1.18 | |||||||||||||
1962 | 0.71 | 0.20 | 0.15 | 0.00 | 0.00 | 0.04 | 0.03 | 0.00 | 0.03 | 0.04 | 0.00 | 0.80 | 0.80 | |||||||||||||
1963 | 0.10 | 0.15 | 0.00 | j | 0.07 | 0.00 | 0.00 | 0.00 | 0.10 | 0.78 | 2.40 | 0.10 | 0.00 | 2.40 | j | |||||||||||
1964 | 0.04 | 0.20 | 0.18 | 0.02 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.10 | 0.43 | 0.00 | 0.43 | |||||||||||||
1965 | 0.00 | 0.00 | 0.06 | 0.33 | 0.03 | 0.00 | 0.03 | 0.73 | 0.03 | 0.00 | 0.71 | 0.81 | 0.81 | |||||||||||||
1966 | 0.10 | 0.04 | 0.04 | 0.00 | 0.18 | 0.00 | 0.03 | 0.00 | 0.02 | 0.85 | 0.06 | 0.02 | 0.85 | |||||||||||||
1967 | 0.17 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.04 | 0.81 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1968 | ----- | z | ----- | z | ----- | z | 0.44 | ----- | z | 0.00 | 1.05 | 0.00 | 0.00 | ----- | z | 0.02 | 0.04 | ----- | z | |||||||
1969 | 0.43 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.46 | 0.00 | 0.46 | |||||||||||||
1970 | 0.03 | 0.30 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.06 | 0.09 | ----- | z | ----- | z | ----- | z | ||||||||||
1971 | ----- | z | ----- | z | 0.00 | 0.03 | 0.06 | ----- | z | 0.00 | 0.36 | 0.04 | 0.05 | 0.00 | 0.17 | ----- | z | |||||||||
1972 | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | 0.26 | 0.00 | 0.17 | 0.00 | 0.54 | 0.30 | 0.12 | ----- | z | ||||||||||
1973 | 0.04 | 0.68 | 0.28 | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | 0.00 | 0.00 | 0.10 | 0.00 | ----- | z | ||||||||
1974 | 1.38 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1975 | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.36 | 0.15 | 0.09 | 0.06 | 0.01 | 0.01 | 0.09 | 0.18 | 0.07 | 0.25 | 0.14 | 0.25 | 0.71 | |||||||||||||
S.D. | 0.49 | 0.22 | 0.10 | 0.11 | 0.04 | 0.05 | 0.24 | 0.27 | 0.16 | 0.55 | 0.25 | 0.34 | 0.36 | |||||||||||||
SKEW | 1.49 | 1.98 | 0.81 | 2.15 | 3.34 | 4.18 | 3.19 | 1.42 | 3.31 | 2.90 | 2.40 | 1.32 | 0.36 | |||||||||||||
MAX | 1.70 | 0.90 | 0.30 | 0.44 | 0.18 | 0.26 | 1.05 | 0.86 | 0.78 | 2.40 | 1.08 | 1.18 | 1.38 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | |||||||||||||
YRS | 29 | 28 | 29 | 30 | 30 | 29 | 28 | 28 | 29 | 27 | 28 | 28 | 16 |