YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | 0.30 | 0.36 | 0.22 | 0.30 | 1.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | ----- | z | ||||||
1921 | 0.23 | 0.86 | 0.10 | 0.14 | 0.86 | ----- | z | 1.60 | 0.50 | 0.45 | ----- | z | 0.08 | 0.26 | ----- | z | ||||||||||
1922 | ----- | z | 0.90 | 0.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 0.07 | g | 0.65 | 0.45 | 0.15 | n | 0.48 | 0.70 | 0.50 | g | 0.70 | 0.70 | 0.35 | 0.25 | 0.17 | ----- | z | |||||||||
1949 | 0.70 | 0.20 | 0.60 | 0.45 | 0.70 | 0.40 | 0.80 | j | 1.20 | 0.80 | 0.15 | a | 0.00 | 0.08 | 1.20 | k | ||||||||||
1950 | 0.30 | 0.60 | 0.12 | 0.65 | 0.00 | 0.45 | 0.31 | 0.15 | 0.70 | 0.18 | 0.00 | 0.00 | 0.70 | |||||||||||||
1951 | 0.12 | 0.24 | 0.40 | 0.40 | 0.24 | 0.00 | 0.70 | 0.75 | 0.10 | 0.45 | a | 0.10 | 0.07 | 0.75 | a | |||||||||||
1952 | 0.25 | 0.50 | 0.60 | 0.50 | 0.40 | 1.00 | 0.50 | 0.65 | 0.70 | 0.00 | 0.40 | 0.26 | 1.00 | |||||||||||||
1953 | 0.04 | 0.07 | 0.30 | 0.15 | 0.40 | 0.30 | 1.00 | 0.15 | 0.00 | 0.45 | 0.45 | 0.30 | 1.00 | |||||||||||||
1954 | 0.12 | 0.00 | 0.45 | 0.00 | 0.60 | 0.30 | 1.35 | 0.36 | 0.95 | 0.20 | 0.10 | 0.25 | 1.35 | |||||||||||||
1955 | 0.15 | 0.20 | 0.10 | 0.15 | 0.65 | 0.05 | 0.52 | 1.12 | ----- | z | 0.00 | 0.01 | 0.10 | ----- | z | |||||||||||
1956 | 0.06 | 1.20 | 0.00 | 0.00 | 0.01 | 0.27 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | j | 0.20 | 0.50 | 1.48 | 0.03 | 1.03 | 0.85 | 0.40 | ----- | z | |||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.79 | 0.10 | 0.82 | 0.00 | 0.60 | ----- | z | |||||
1960 | 0.65 | 0.40 | 0.27 | 0.08 | 0.55 | 0.62 | 0.27 | 0.45 | 0.57 | 2.04 | 0.50 | 0.48 | 2.04 | |||||||||||||
1961 | 0.86 | 0.20 | 0.27 | 0.21 | 0.00 | 0.40 | 1.03 | 1.51 | 0.36 | 0.28 | 1.02 | 0.43 | 1.51 | |||||||||||||
1962 | 0.66 | 0.01 | 0.05 | 0.09 | 0.12 | 0.05 | 0.66 | 0.23 | 0.49 | 0.50 | 0.75 | a | 0.20 | a | 0.75 | b | ||||||||||
1963 | 0.39 | 0.61 | 0.19 | 0.05 | 0.10 | 0.25 | 0.10 | 1.12 | 0.55 | 0.49 | 0.32 | 0.02 | 1.12 | |||||||||||||
1964 | 0.01 | 0.45 | 0.19 | 0.13 | ----- | z | 0.13 | 0.95 | 1.38 | 0.37 | 0.00 | 0.19 | 0.65 | ----- | z | |||||||||||
1965 | 0.20 | 0.26 | 0.35 | 0.45 | 0.55 | 0.96 | 0.40 | 0.69 | 0.90 | 1.15 | 0.26 | 0.85 | 1.15 | |||||||||||||
1966 | 0.34 | 0.08 | 0.02 | 0.01 | 0.00 | 0.98 | 1.00 | 0.84 | 0.98 | 0.11 | 0.17 | 0.07 | 1.00 | |||||||||||||
1967 | 0.08 | 0.09 | 0.02 | 0.00 | 0.13 | 0.99 | 0.54 | 1.84 | 0.48 | 0.00 | 0.20 | 0.28 | b | 1.84 | b | |||||||||||
1968 | 0.09 | 0.40 | 0.73 | 0.45 | 0.50 | 0.06 | 0.65 | 0.85 | 0.30 | 0.41 | 0.33 | 0.31 | 0.85 | |||||||||||||
1969 | 0.22 | 0.16 | 0.20 | 1.22 | 1.80 | 1.65 | 0.64 | 1.05 | 0.66 | 1.95 | 0.43 | 0.40 | 1.95 | |||||||||||||
1970 | 0.04 | 0.10 | 0.40 | 0.00 | 0.35 | 0.82 | 2.00 | 0.53 | 0.38 | 0.29 | 0.03 | 0.12 | 2.00 | |||||||||||||
1971 | 0.44 | 0.45 | 0.06 | 0.53 | 0.00 | 0.00 | 1.04 | 0.90 | 0.96 | 0.80 | 0.41 | 0.47 | 1.04 | |||||||||||||
1972 | 0.24 | 0.00 | 0.23 | 0.00 | 0.50 | 0.34 | 0.54 | 1.98 | 0.79 | 0.86 | 0.30 | 0.61 | 1.98 | |||||||||||||
1973 | 0.35 | 0.16 | 0.80 | 0.52 | 0.60 | a | 0.40 | 0.65 | 0.52 | 0.80 | 0.36 | 0.05 | 0.01 | 0.80 | a | |||||||||||
1974 | 0.44 | 0.15 | 1.40 | 0.05 | 0.00 | 0.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.29 | 0.34 | 0.33 | 0.26 | 0.42 | 0.45 | 0.77 | 0.91 | 0.55 | 0.54 | 0.29 | 0.29 | 1.27 | |||||||||||||
S.D. | 0.23 | 0.30 | 0.30 | 0.29 | 0.41 | 0.42 | 0.45 | 0.53 | 0.30 | 0.55 | 0.27 | 0.22 | 0.49 | |||||||||||||
SKEW | 0.91 | 1.10 | 1.78 | 1.53 | 1.48 | 1.09 | 1.09 | 0.46 | -0.32 | 1.50 | 1.13 | 0.69 | 0.53 | |||||||||||||
MAX | 0.86 | 1.20 | 1.40 | 1.22 | 1.80 | 1.65 | 2.00 | 1.98 | 0.98 | 2.04 | 1.02 | 0.85 | 2.04 | |||||||||||||
MIN | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | |||||||||||||
YRS | 25 | 27 | 27 | 25 | 25 | 25 | 22 | 25 | 24 | 24 | 25 | 26 | 18 |