YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.31 | 0.32 | 1.75 | 0.65 | 1.14 | 4.17 | g | |||||
1919 | 0.06 | 0.47 | 0.84 | 0.91 | 1.75 | 0.10 | 4.26 | 0.75 | 1.35 | 1.01 | ----- | z | 1.33 | 12.83 | a | |||||||||||
1920 | 0.69 | 0.84 | 0.89 | 0.63 | 0.34 | 0.34 | 1.24 | 1.29 | 1.02 | 1.42 | 0.48 | 0.13 | 9.31 | |||||||||||||
1921 | 0.45 | 0.39 | 0.11 | 0.03 | 0.26 | 1.13 | 2.46 | 5.25 | 0.02 | ----- | z | ----- | z | ----- | z | 10.10 | c | |||||||||
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | 0.27 | 1.60 | 0.78 | 2.70 | h | ||||
1923 | 0.58 | 0.48 | 0.85 | 0.40 | 0.48 | 0.00 | 2.27 | 2.42 | 3.15 | 1.22 | 1.52 | x | 1.22 | w | 11.85 | b | ||||||||||
1924 | 0.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.15 | k | |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1948 | ----- | z | ----- | z | ----- | z | 0.02 | w | 0.29 | g | 1.27 | 3.26 | 2.20 | 1.56 | 2.03 | a | 0.10 | 0.88 | 11.30 | e | ||||||
1949 | 0.73 | 0.14 | 0.45 | 0.52 | 1.17 | 1.09 | 2.92 | 1.28 | 0.81 | 0.49 | 0.06 | 0.30 | 9.96 | |||||||||||||
1950 | 0.24 | 0.80 | 0.24 | 0.01 | 0.02 | 0.06 | 2.37 | 0.09 | 0.61 | 0.00 | 0.50 | 0.00 | 4.94 | |||||||||||||
1951 | 0.53 | 0.01 | f | 0.10 | a | 0.37 | 0.40 | 0.00 | 1.27 | 1.69 | 0.79 | 1.02 | 0.81 | 0.59 | 7.57 | a | ||||||||||
1952 | 1.47 | 0.30 | 0.67 | 2.36 | 0.12 | 1.14 | 0.95 | 2.45 | 0.85 | 0.00 | 2.36 | 0.23 | 12.90 | |||||||||||||
1953 | 0.10 | 0.27 | 0.39 | 0.80 | 0.27 | 0.11 | 1.54 | 0.77 | 0.03 | 0.50 | 0.33 | 0.57 | 5.68 | |||||||||||||
1954 | 0.29 | 0.29 | 2.39 | 0.19 | 1.46 | 0.14 | 3.73 | 0.95 | 1.37 | 0.48 | 0.00 | 0.42 | 11.71 | |||||||||||||
1955 | 0.78 | 0.74 | 0.00 | 0.33 | 0.49 | 0.77 | 4.41 | 0.77 | 0.05 | 0.00 | 0.43 | 0.89 | 9.66 | |||||||||||||
1956 | 1.11 | 0.68 | ----- | z | ----- | z | 0.00 | 0.00 | 0.46 | 1.12 | b | 0.00 | 0.47 | 0.02 | 0.11 | 3.97 | b | |||||||||
1957 | 1.65 | 1.10 | 0.87 | 1.65 | 1.08 | 0.26 | 2.58 | 1.98 | 0.00 | 1.76 | a | 0.85 | 0.51 | 14.29 | ||||||||||||
1958 | ----- | z | ----- | z | ----- | z | 0.22 | b | 0.43 | 0.00 | b | 1.67 | 1.83 | 1.37 | 1.41 | 0.45 | 0.66 | 8.04 | c | |||||||
1959 | 0.03 | 0.35 | ----- | z | ----- | z | ----- | z | ----- | z | 0.58 | 2.14 | 0.12 | 1.78 | 0.34 | 1.03 | 6.37 | d | ||||||||
1960 | 0.92 | 0.89 | 0.39 | 0.22 | 0.52 | 0.57 | 0.00 | 0.95 | 0.05 | 1.88 | 0.01 | 0.48 | 6.88 | |||||||||||||
1961 | 0.06 | 0.29 | 0.15 | 0.25 | 0.18 | 0.01 | 2.15 | a | 2.56 | 1.20 | 2.90 | 0.65 | 1.13 | 11.53 | ||||||||||||
1962 | 1.08 | 1.26 | b | 0.89 | 0.12 | 0.18 | 0.35 | 0.59 | 0.55 | 1.72 | 3.02 | 1.33 | 0.25 | 11.34 | ||||||||||||
1963 | 0.96 | 1.05 | 0.33 | 0.00 | 0.01 | 0.00 | 0.95 | 3.18 | a | 1.52 | 0.62 | 0.47 | 0.23 | 9.32 | ||||||||||||
1964 | 0.63 | 0.64 | 0.87 | 0.17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.03 | 2.34 | g | |||||
1965 | ----- | z | 0.06 | ----- | z | 0.00 | 0.68 | 1.40 | 4.24 | 0.22 | 0.49 | 0.87 | 1.12 | 2.67 | 11.75 | b | ||||||||||
1966 | 0.17 | 0.13 | 0.41 | 0.58 | 0.00 | 0.22 | 2.16 | 2.53 | 0.99 | 1.02 | 0.37 | 1.31 | 9.89 | |||||||||||||
1967 | 0.00 | 0.00 | 0.22 | 0.00 | 0.37 | 1.54 | 2.19 | 2.79 | 1.00 | 0.00 | 0.10 | 1.86 | a | 10.07 | ||||||||||||
1968 | 0.16 | 0.00 | 0.00 | e | 0.10 | b | 0.00 | ----- | z | 0.00 | ----- | z | 0.28 | ----- | z | 1.17 | 1.40 | 3.11 | c | |||||||
1969 | 0.32 | 0.13 | 1.02 | a | 0.00 | 0.14 | 0.05 | 2.08 | 1.40 | 1.34 | 0.35 | v | 0.43 | 0.26 | 7.17 | a | ||||||||||
1970 | 0.09 | 0.01 | 1.20 | 0.36 | 0.14 | 0.72 | 0.50 | 1.60 | 2.00 | 1.29 | 0.38 | 0.24 | 8.53 | |||||||||||||
1971 | 0.18 | 0.27 | a | 0.19 | 0.06 | 0.14 | 0.00 | 1.42 | 3.12 | 3.35 | 1.01 | 0.51 | 0.79 | 11.04 | ||||||||||||
1972 | 0.03 | 0.00 | 0.01 | 0.08 | 0.26 | 1.14 | 1.30 | 1.16 | 0.70 | 5.75 | 0.89 | 0.63 | 11.95 | |||||||||||||
1973 | 0.35 | 0.72 | 1.13 | 0.37 | 1.44 | 0.58 | 0.94 | 0.56 | 0.43 | 0.37 | 0.17 | 0.04 | 7.10 | |||||||||||||
1974 | 1.39 | 0.17 | 0.06 | 0.32 | 0.00 | 0.00 | 1.26 | 1.73 | 1.01 | 4.55 | 0.61 | 0.12 | 11.22 | |||||||||||||
1975 | 0.46 | 0.45 | 0.86 | 0.22 | 0.14 | 0.05 | 1.32 | 0.34 | 1.78 | 0.00 | 0.03 | 0.04 | 5.69 | |||||||||||||
1976 | 0.00 | 0.00 | 0.00 | 0.00 | 0.78 | 0.32 | 1.13 | 1.39 | 1.75 | 0.53 | 0.40 | 0.00 | 6.30 | |||||||||||||
1977 | 0.17 | a | 0.08 | 0.05 | 0.05 | ----- | z | 0.25 | 2.76 | 2.24 | 1.25 | 1.05 | 0.00 | 0.00 | 7.90 | a | ||||||||||
1978 | 0.63 | 0.41 | 0.30 | 0.00 | 0.28 | 0.14 | 0.32 | 0.54 | 0.78 | 2.18 | 3.12 | 0.60 | 9.30 | |||||||||||||
1979 | 0.73 | 0.20 | 0.69 | 0.00 | 1.41 | 0.50 | 0.01 | 0.74 | 0.00 | 1.23 | 1.65 | a | 0.93 | a | 8.09 | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.51 | 0.41 | 0.53 | 0.34 | 0.47 | 0.43 | 1.75 | 1.57 | 0.95 | 1.29 | 0.66 | 0.63 | 9.42 | |||||||||||||
S.D. | 0.45 | 0.35 | 0.51 | 0.50 | 0.50 | 0.48 | 1.23 | 1.07 | 0.82 | 1.27 | 0.69 | 0.59 | 2.47 | |||||||||||||
SKEW | 0.89 | 0.72 | 1.54 | 2.63 | 1.23 | 0.93 | 0.59 | 1.16 | 1.03 | 1.80 | 1.84 | 1.40 | -0.14 | |||||||||||||
MAX | 1.65 | 1.26 | 2.39 | 2.36 | 1.75 | 1.54 | 4.41 | 5.25 | 3.35 | 5.75 | 3.12 | 2.67 | 14.29 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 4.94 | |||||||||||||
YRS | 34 | 33 | 31 | 33 | 32 | 33 | 35 | 35 | 37 | 34 | 34 | 36 | 23 |