YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1917 | ----- | z | ----- | z | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | a | 0.00 | a | 0.00 | 0.40 | 0.00 | ----- | z | ||||||||
1918 | 0.79 | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.00 | 1.75 | 1.25 | 0.70 | 0.90 | 0.30 | 0.60 | 1.75 | a | |||||||||||
1919 | 0.00 | 0.00 | 0.00 | ----- | z | 0.00 | a | ----- | z | ----- | z | 0.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1920 | ----- | z | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | 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 | 0.73 | n | 0.00 | 0.72 | 0.50 | 1.88 | 0.35 | 1.40 | 0.30 | 0.55 | 0.06 | ----- | z | |||||||||
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | 0.70 | 0.14 | 1.30 | 0.39 | 1.26 | 1.22 | 2.41 | 0.28 | 0.15 | 0.42 | 0.89 | ----- | z | |||||||||||
1932 | 0.56 | 0.66 | 0.50 | 0.00 | 1.77 | 0.26 | 1.09 | 3.75 | 5.02 | ----- | z | 0.00 | 0.30 | ----- | z | |||||||||||
1933 | 0.00 | 0.25 | 0.07 | 0.27 | 2.35 | 0.94 | 0.39 | 0.29 | 0.80 | 0.00 | 0.15 | 0.00 | 2.35 | |||||||||||||
1934 | 0.25 | 0.62 | 0.58 | 0.00 | 0.26 | 0.00 | 0.00 | 0.73 | 0.11 | 0.46 | 1.15 | 0.07 | 1.15 | |||||||||||||
1935 | 0.00 | 0.41 | 0.51 | 0.73 | 1.23 | 0.55 | 0.45 | 1.75 | 1.94 | 0.15 | 0.60 | 0.19 | 1.94 | |||||||||||||
1936 | 0.53 | 0.05 | 0.00 | 0.25 | 1.20 | 0.10 | 0.40 | 0.75 | 1.65 | 0.30 | 0.31 | 0.03 | 1.65 | |||||||||||||
1937 | 0.00 | 0.44 | 1.52 | 0.09 | 2.02 | 0.57 | 0.15 | 0.80 | 1.20 | 0.63 | 0.00 | 0.38 | 2.02 | |||||||||||||
1938 | 0.54 | 0.34 | 0.38 | 0.00 | 0.00 | a | 1.34 | 0.85 | 0.00 | 1.39 | b | 0.40 | 0.00 | 0.20 | a | 1.39 | d | |||||||||
1939 | 0.85 | 0.28 | 0.50 | 0.34 | 1.50 | 0.31 | 1.38 | 0.65 | 1.37 | 0.62 | 0.26 | 0.47 | 1.50 | |||||||||||||
1940 | 0.00 | 0.52 | 0.00 | 0.48 | 2.90 | 0.81 | 0.31 | 0.27 | 0.53 | 0.55 | 0.30 | 0.05 | 2.90 | |||||||||||||
1941 | 0.47 | 0.58 | 1.11 | 0.95 | 0.65 | 1.20 | 0.54 | 0.73 | 4.50 | a | 1.69 | 1.60 | 0.22 | 4.50 | a | |||||||||||
1942 | 0.35 | 0.23 | 0.15 | 1.28 | 0.20 | 0.45 | 1.00 | 1.35 | 0.46 | 0.73 | 0.00 | 0.75 | 1.35 | |||||||||||||
1943 | 0.75 | 0.00 | 0.10 | 0.50 | 0.50 | ----- | z | 2.14 | 0.70 | 0.34 | 0.03 | a | ----- | z | 1.20 | ----- | z | |||||||||
1944 | 0.45 | 0.23 | b | 0.02 | 0.00 | 0.43 | 0.45 | 0.61 | 1.51 | 0.45 | 0.90 | 0.20 | 0.29 | 1.51 | b | |||||||||||
1945 | 0.40 | 0.10 | 0.23 | 0.40 | 0.00 | 0.00 | a | 0.60 | 0.92 | 0.56 | 0.81 | 0.00 | 0.41 | 0.92 | a | |||||||||||
1946 | 0.36 | 0.12 | 0.80 | 0.00 | 0.91 | 1.15 | 0.51 | 1.97 | 1.26 | 0.45 | 0.26 | 0.44 | 1.97 | |||||||||||||
1947 | 0.55 | 0.00 | 0.29 | 0.13 | 0.35 | 2.20 | 1.05 | 0.49 | 0.31 | 0.00 | ----- | z | ----- | z | ----- | z | ||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.55 | 0.37 | ----- | z | ----- | z | ----- | z | ----- | z | ||
1949 | 0.66 | 0.00 | 0.00 | 0.16 | 0.00 | 0.33 | 1.78 | 1.23 | 1.36 | 1.65 | ----- | z | 0.33 | ----- | z | |||||||||||
1950 | ----- | z | 0.07 | 0.00 | 0.02 | 0.14 | 0.81 | 1.65 | 0.24 | 1.10 | 1.00 | 0.00 | 0.00 | ----- | z | |||||||||||
1951 | 0.02 | 0.10 | 0.65 | 0.17 | 1.69 | 0.00 | 0.75 | 0.43 | 0.05 | 0.30 | 0.02 | 0.55 | 1.69 | |||||||||||||
1952 | 0.15 | 0.25 | 0.25 | b | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | 0.70 | 0.00 | 1.00 | c | 0.00 | ----- | z | ||||||
1953 | 0.00 | 0.10 | 0.30 | 0.60 | 0.30 | 0.30 | 0.50 | 0.40 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1954 | ----- | z | ----- | z | 0.00 | 0.18 | 0.39 | 0.00 | 0.10 | 1.35 | 0.28 | 4.21 | 0.00 | 0.26 | ----- | z | ||||||||||
1955 | 0.47 | 0.00 | 0.00 | 0.16 | 0.98 | 0.04 | 1.40 | 0.51 | 2.50 | 2.10 | ----- | z | ----- | z | ----- | z | ||||||||||
1956 | 0.00 | 1.20 | 0.05 | 0.00 | 0.00 | 0.00 | 0.78 | 1.10 | 0.30 | 0.50 | 0.00 | 0.00 | 1.20 | |||||||||||||
1957 | 0.00 | 0.53 | 0.70 | 0.58 | 0.23 | 0.02 | 0.95 | 1.47 | 0.11 | 1.24 | 0.66 | 0.00 | 1.47 | |||||||||||||
1958 | 0.90 | 0.75 | 1.00 | 0.38 | 1.00 | 0.30 | 2.16 | 2.00 | 1.30 | 1.23 | 0.20 | 0.00 | 2.16 | |||||||||||||
1959 | 0.00 | ----- | z | 0.00 | 0.07 | 1.32 | 0.01 | 0.99 | 1.45 | 0.00 | 0.25 | 0.00 | 0.50 | ----- | z | |||||||||||
1960 | 0.25 | 0.40 | 0.12 | 0.00 | 0.26 | 1.15 | 1.22 | 0.32 | ----- | z | 1.35 | 0.19 | 1.00 | ----- | z | |||||||||||
1961 | 0.30 | 0.00 | 0.43 | 0.00 | 0.30 | 1.20 | 1.76 | 1.27 | 0.16 | 0.15 | 0.82 | 0.40 | 1.76 | |||||||||||||
1962 | 0.25 | 0.00 | 0.34 | 0.05 | 0.15 | 0.35 | 1.13 | 0.00 | 1.00 | 0.43 | 1.33 | 0.54 | 1.33 | |||||||||||||
1963 | 0.74 | 0.30 | 0.00 | 0.09 | 0.51 | 1.68 | 0.61 | 1.23 | 0.39 | ----- | z | ----- | z | 0.00 | ----- | z | ||||||||||
1964 | 0.17 | 0.21 | 0.33 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1965 | 0.00 | 0.51 | ----- | z | 0.57 | 1.57 | 1.63 | 1.28 | 1.06 | 2.31 | 0.00 | 0.08 | 0.35 | ----- | z | |||||||||||
1966 | ----- | z | 0.00 | 0.11 | 1.45 | 0.31 | 0.84 | 0.31 | 4.04 | 0.26 | 0.00 | 0.00 | 0.00 | ----- | z | |||||||||||
1967 | 0.10 | 0.25 | 0.10 | 0.17 | 0.25 | 1.70 | 0.70 | 0.32 | 0.73 | 0.00 | 0.20 | 0.65 | 1.70 | |||||||||||||
1968 | 0.85 | 0.69 | 0.60 | 0.13 | 0.60 | 0.00 | 1.70 | 0.40 | 0.00 | 0.51 | 0.70 | 0.00 | 1.70 | |||||||||||||
1969 | 0.00 | 0.52 | 0.19 | 0.10 | 0.45 | 0.26 | 0.52 | 0.64 | 0.82 | 1.18 | 0.19 | 0.40 | 1.18 | |||||||||||||
1970 | 0.00 | 0.30 | 0.00 | c | 0.00 | 0.10 | 0.89 | 1.75 | 0.56 | 3.85 | 0.62 | 0.00 | 0.00 | 3.85 | c | |||||||||||
1971 | 0.22 | 0.15 | 0.00 | 0.41 | 0.35 | 0.22 | 0.73 | 0.64 | 1.49 | 0.62 | 0.61 | a | 0.33 | 1.49 | a | |||||||||||
1972 | 0.50 | 0.00 | 0.00 | 0.00 | 0.51 | 0.85 | 0.88 | 2.25 | 1.56 | 0.75 | 0.50 | 0.28 | 2.25 | |||||||||||||
1973 | 0.80 | 0.85 | 0.57 | 0.06 | 0.65 | 0.85 | 0.86 | 1.60 | 0.42 | 0.33 | 0.00 | 0.00 | 1.60 | |||||||||||||
1974 | 0.21 | 0.00 | 0.05 | 0.30 | 0.30 | 0.00 | 0.10 | 1.32 | 5.25 | 2.50 | 0.00 | 0.60 | 5.25 | |||||||||||||
1975 | 0.22 | 0.85 | 0.30 | 0.25 | 0.37 | 0.50 | 1.20 | 1.10 | 1.32 | 0.00 | 0.00 | 0.19 | 1.32 | |||||||||||||
1976 | 0.18 | 0.65 | 0.13 | 0.25 | 0.65 | 0.55 | 0.95 | 1.25 | 1.00 | 1.15 | 0.62 | 0.00 | 1.25 | |||||||||||||
1977 | 0.31 | 0.32 | 0.00 | 0.94 | 0.87 | 0.80 | 0.95 | 1.00 | 0.55 | 0.46 | 0.57 | 0.00 | 1.00 | |||||||||||||
1978 | 0.82 | 0.10 | 0.22 | 0.25 | 0.60 | 1.80 | 0.55 | 2.00 | 2.10 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.33 | 0.30 | 0.27 | 0.28 | 0.65 | 0.62 | 0.91 | 1.04 | 1.13 | 0.70 | 0.34 | 0.29 | 1.91 | |||||||||||||
S.D. | 0.30 | 0.29 | 0.33 | 0.36 | 0.65 | 0.58 | 0.58 | 0.84 | 1.25 | 0.79 | 0.40 | 0.30 | 0.99 | |||||||||||||
SKEW | 0.44 | 0.87 | 1.68 | 1.71 | 1.51 | 0.81 | 0.38 | 1.57 | 1.92 | 2.33 | 1.39 | 1.05 | 2.09 | |||||||||||||
MAX | 0.90 | 1.20 | 1.52 | 1.45 | 2.90 | 2.20 | 2.16 | 4.04 | 5.25 | 4.21 | 1.60 | 1.20 | 5.25 | |||||||||||||
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 | 0.92 | |||||||||||||
YRS | 45 | 48 | 50 | 50 | 50 | 47 | 49 | 51 | 49 | 45 | 42 | 45 | 31 |