YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.12 | 0.46 | 0.60 | 0.15 | 0.10 | ----- | z | ----- | z | |||||
1922 | ----- | z | ----- | z | ----- | z | 0.40 | 1.55 | 0.55 | 0.38 | q | 0.46 | 0.80 | 0.68 | 1.02 | 0.30 | ----- | z | ||||||||
1923 | 0.06 | ----- | z | ----- | z | 0.48 | 0.36 | 1.30 | 1.03 | t | 0.48 | 1.96 | 0.14 | 0.03 | 0.30 | ----- | z | |||||||||
1924 | 0.50 | 0.05 | 0.30 | 0.55 | 0.35 | 0.44 | 0.39 | w | 1.10 | 0.80 | 0.95 | 0.40 | 0.70 | 1.10 | w | |||||||||||
1925 | 0.40 | 0.50 | 0.06 | 1.22 | 1.64 | 0.72 | 1.17 | 1.20 | 1.52 | 1.75 | b | 1.75 | 0.30 | 1.75 | b | |||||||||||
1926 | 0.15 | 0.50 | 0.60 | 0.23 | 0.61 | 1.36 | 0.42 | 0.28 | 0.47 | 0.95 | 1.10 | 0.30 | 1.36 | |||||||||||||
1927 | 0.30 | 0.20 | 0.40 | 0.52 | 1.03 | 1.26 | 0.70 | 1.26 | 0.02 | 0.70 | 0.30 | 0.40 | 1.26 | |||||||||||||
1928 | 0.30 | 0.18 | 0.70 | 0.90 | 0.25 | 1.53 | 1.62 | 1.54 | 1.53 | 0.58 | 0.15 | 0.05 | 1.62 | |||||||||||||
1929 | 0.84 | 0.10 | 0.20 | 0.40 | 0.89 | 0.23 | 0.93 | 1.84 | 1.43 | 0.60 | 0.36 | 0.18 | a | 1.84 | a | |||||||||||
1930 | 0.03 | 1.10 | 0.43 | 0.73 | 0.55 | 0.60 | 0.70 | 0.18 | 0.80 | 0.14 | 0.68 | 1.05 | 1.10 | |||||||||||||
1931 | 0.09 | 0.14 | 0.15 | 0.24 | 0.23 | 0.88 | 1.32 | 1.82 | 0.80 | 0.62 | 0.95 | a | 0.50 | 1.82 | a | |||||||||||
1932 | 0.35 | 0.60 | 0.27 | 1.03 | b | 0.96 | 1.05 | 1.03 | 1.45 | 0.41 | 0.75 | 0.50 | 0.10 | 1.45 | b | |||||||||||
1933 | 0.72 | e | 0.50 | a | 0.55 | 0.79 | 0.85 | 0.74 | 0.64 | 0.37 | 0.56 | 0.60 | 0.83 | 0.44 | 0.85 | f | ||||||||||
1934 | 0.04 | 0.23 | 0.28 | 0.94 | 1.69 | 2.10 | 0.82 | 0.36 | 0.96 | 2.50 | 0.37 | 0.65 | 2.50 | |||||||||||||
1935 | 0.26 | q | 0.03 | 0.90 | 0.78 | 0.52 | 1.15 | 1.27 | 1.50 | 0.25 | 0.47 | 0.60 | 0.13 | 1.50 | q | |||||||||||
1936 | 0.80 | 0.14 | b | 0.23 | 0.17 | 1.04 | 1.54 | 0.48 | 0.63 | 0.79 | 0.00 | 0.12 | 0.66 | 1.54 | b | |||||||||||
1937 | 0.75 | 0.72 | v | 0.07 | a | 1.57 | 1.30 | ----- | z | 3.50 | 1.20 | 1.25 | 0.03 | 0.35 | 0.46 | a | ----- | z | ||||||||
1938 | 0.38 | 0.46 | 0.60 | 1.10 | 1.10 | 0.47 | 1.03 | 1.36 | 0.95 | 0.38 | 0.67 | 0.38 | 1.36 | |||||||||||||
1939 | 0.22 | 0.70 | 0.55 | 0.88 | 0.50 | 0.66 | 2.15 | 2.20 | 3.31 | 1.15 | 0.01 | 0.14 | a | 3.31 | a | |||||||||||
1940 | ----- | z | ----- | z | 0.70 | 0.86 | 0.40 | 0.71 | 3.64 | 0.24 | 1.27 | 0.52 | 0.38 | 0.16 | ----- | z | ||||||||||
1941 | 0.21 | 0.07 | 0.41 | 0.47 | 0.53 | 1.50 | 0.50 | 1.35 | 1.47 | 0.55 | 0.00 | 0.12 | 1.50 | |||||||||||||
1942 | ----- | z | 0.07 | 0.25 | 0.68 | w | 0.64 | 0.48 | s | 1.15 | u | 2.55 | 0.53 | r | ----- | z | ----- | z | 0.31 | u | ----- | z | ||||
1943 | 0.20 | y | 0.28 | q | 0.54 | x | 0.65 | y | 0.83 | r | 1.15 | p | 0.86 | u | 1.70 | 0.15 | x | 0.72 | 0.22 | ----- | z | ----- | z | |||
1944 | ----- | z | 0.05 | 0.27 | 0.40 | w | 1.19 | 1.22 | 1.10 | 1.62 | 1.28 | 0.32 | 0.52 | 0.03 | ----- | z | ||||||||||
1945 | 0.14 | 0.10 | 0.57 | 0.92 | 0.32 | 0.96 | 1.19 | 1.65 | 0.79 | 0.25 | 0.42 | 0.20 | 1.65 | |||||||||||||
1946 | 0.08 | 1.32 | 0.70 | 0.40 | 0.70 | 1.05 | 0.19 | 0.48 | 1.33 | 1.42 | 0.70 | 0.78 | 1.42 | |||||||||||||
1947 | 0.30 | 0.12 | 0.08 | 0.98 | 1.02 | u | 2.55 | 1.40 | 1.76 | 1.28 | 0.32 | 1.66 | 0.17 | 2.55 | u | |||||||||||
1948 | 0.12 | 0.28 | 0.78 | 0.43 | 0.85 | 0.82 | 0.81 | a | 0.68 | 0.22 | 0.12 | 0.20 | 0.24 | 0.85 | a | |||||||||||
1949 | 0.21 | a | 0.21 | 0.30 | ----- | z | 3.13 | 0.87 | 1.94 | 0.25 | 0.23 | 0.63 | a | 0.23 | 0.75 | ----- | z | |||||||||
1950 | 0.35 | 0.27 | 0.18 | 0.48 | 0.69 | 2.67 | 0.57 | 0.44 | 1.66 | 0.74 | 0.69 | 0.12 | 2.67 | |||||||||||||
1951 | 0.10 | 0.12 | 0.33 | 0.54 | 0.97 | 0.74 | 1.15 | 1.36 | 0.61 | 0.30 | 0.56 | 0.61 | 1.36 | |||||||||||||
1952 | 0.08 | 0.06 | 0.23 | 0.23 | a | 0.48 | 1.98 | 1.89 | 0.76 | 0.58 | 0.11 | 0.55 | 0.14 | 1.98 | a | |||||||||||
1953 | 0.29 | 0.10 | 0.51 | 0.50 | 1.54 | 1.00 | 2.39 | 0.37 | 0.50 | 0.47 | 0.67 | 0.25 | 2.39 | |||||||||||||
1954 | 0.13 | 0.42 | 0.18 | 0.31 | 0.68 | 2.00 | 2.03 | 1.00 | 1.13 | 0.40 | 0.39 | 0.15 | a | 2.03 | a | |||||||||||
1955 | 0.10 | 0.59 | 0.33 | 0.51 | 0.62 | 1.46 | 2.11 | 0.42 | 0.50 | 0.31 | 0.37 | 0.43 | 2.11 | |||||||||||||
1956 | 0.24 | 0.14 | 0.40 | ----- | z | 1.00 | 0.46 | 1.00 | b | 1.66 | 0.36 | 0.89 | 0.12 | b | 0.27 | ----- | z | |||||||||
1957 | 0.25 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.22 | b | ----- | z | ----- | z | ----- | z | ----- | z | ||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | l | 1.03 | 1.30 | 0.57 | 0.39 | 0.80 | 1.05 | 0.33 | a | ----- | z | ||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | 1.17 | 2.16 | 0.82 | 0.98 | a | ----- | z | 0.60 | a | ----- | z | 0.42 | b | ----- | z | |||
1960 | ----- | z | ----- | z | ----- | z | 0.72 | 0.86 | a | 1.70 | ----- | z | 0.89 | 0.70 | 0.83 | 0.22 | 0.50 | ----- | z | |||||||
1961 | 0.16 | 0.17 | 0.32 | 0.55 | 0.82 | 0.14 | 1.75 | 2.00 | 1.57 | 0.50 | 0.50 | 0.21 | 2.00 | |||||||||||||
1962 | 0.35 | 0.49 | 0.24 | 0.59 | 1.60 | 2.50 | 2.60 | a | 1.20 | 2.05 | 0.31 | 0.50 | 0.17 | 2.60 | a | |||||||||||
1963 | 0.03 | 0.20 | 0.12 | 0.51 | 1.10 | 1.63 | 1.00 | 0.83 | 0.91 | ----- | z | 0.18 | 0.10 | ----- | z | |||||||||||
1964 | 0.26 | 0.16 | 0.40 | 1.24 | 0.50 | 1.60 | 1.15 | ----- | z | 1.57 | b | 0.18 | 0.50 | ----- | z | ----- | z | |||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 1.31 | 1.87 | ----- | z | 0.70 | 1.33 | 1.01 | 0.40 | 0.35 | ----- | z | |||||||
1966 | 0.37 | 0.55 | 1.30 | 0.55 | 0.48 | 0.75 | 0.82 | 2.44 | 0.55 | 0.45 | a | 0.17 | 0.30 | 2.44 | a | |||||||||||
1967 | 0.40 | 0.18 | 0.54 | 1.19 | 0.88 | 1.10 | 0.22 | 0.37 | 0.28 | 1.23 | a | 0.30 | 0.40 | a | 1.23 | b | ||||||||||
1968 | 0.28 | 0.20 | 0.99 | 0.95 | 0.50 | 1.12 | c | 1.46 | 0.47 | 0.57 | 0.85 | 0.32 | 0.50 | 1.46 | c | |||||||||||
1969 | ----- | z | 0.25 | 0.05 | 1.10 | 1.46 | 1.60 | 1.15 | 2.30 | 0.60 | 1.72 | a | 0.25 | 0.47 | ----- | z | ||||||||||
1970 | 0.22 | 0.30 | 0.25 | 1.10 | 0.85 | 0.88 | 0.53 | 0.98 | 1.50 | 1.10 | 0.62 | 0.45 | 1.50 | |||||||||||||
1971 | 0.24 | 0.22 | 0.43 | 0.67 | 1.55 | 1.76 | 1.83 | 0.82 | 1.16 | 2.96 | 0.60 | 0.40 | 2.96 | |||||||||||||
1972 | 0.46 | 0.25 | 0.30 | 0.50 | 1.50 | a | 1.07 | 3.70 | f | 2.00 | 1.80 | c | 0.80 | ----- | z | 0.40 | ----- | z | ||||||||
1973 | ----- | z | 0.12 | 0.75 | 0.38 | 0.66 | 0.81 | 1.30 | 0.88 | a | 3.50 | 0.85 | 0.80 | 0.00 | w | ----- | z | |||||||||
1974 | 0.35 | ----- | z | 0.70 | 0.60 | 2.68 | p | 0.50 | 0.72 | 4.55 | 0.25 | 1.30 | a | 0.72 | b | ----- | z | ----- | z | |||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.01 | a | 1.06 | 0.83 | 0.40 | 0.06 | 0.05 | 0.09 | ----- | z | ||||||
1977 | 0.20 | ----- | z | 0.25 | 1.10 | 1.10 | b | 2.40 | a | 1.20 | 1.40 | 1.90 | 1.05 | 1.20 | 0.30 | ----- | z | |||||||||
1978 | ----- | z | 0.17 | ----- | z | 0.40 | 0.60 | 2.05 | 1.15 | ----- | z | 1.60 | ----- | z | 0.39 | ----- | z | ----- | z | |||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | 0.70 | a | 0.33 | 0.35 | 0.00 | 0.35 | 1.00 | 1.00 | 1.70 | 0.78 | 0.95 | 0.20 | 0.17 | 1.70 | a | |||||||||||
1981 | 0.01 | ----- | z | 0.50 | 0.66 | 0.60 | ----- | z | ----- | z | ----- | z | ----- | z | 0.66 | 0.33 | 0.35 | ----- | z | |||||||
1982 | 0.20 | 1.50 | 1.20 | 0.40 | 0.40 | 1.14 | 1.65 | 0.58 | 0.72 | 2.00 | b | 0.28 | 0.13 | 2.00 | b | |||||||||||
1983 | 0.30 | a | 0.62 | 0.50 | 0.13 | 0.40 | 1.45 | 0.60 | 1.02 | 0.95 | 1.01 | 0.55 | a | 0.15 | 1.45 | b | ||||||||||
1984 | 0.16 | 1.60 | 0.15 | 0.23 | 0.40 | 1.85 | 0.18 | 0.63 | 0.30 | 3.85 | 0.10 | 0.50 | 3.85 | |||||||||||||
1985 | 0.10 | 0.19 | 0.30 | a | 0.60 | 1.20 | 1.50 | 3.60 | 1.60 | 0.70 | 1.15 | 0.55 | 0.20 | 3.60 | a | |||||||||||
1986 | 0.20 | 0.38 | c | 0.10 | 0.55 | 0.72 | 0.74 | 0.64 | 0.60 | 0.60 | 0.06 | 0.90 | 0.12 | 0.90 | c | |||||||||||
1987 | 0.20 | 0.16 | 0.35 | 0.02 | 1.40 | 0.28 | 4.00 | 0.80 | 0.80 | 0.23 | 0.40 | 0.25 | 4.00 | |||||||||||||
1988 | 0.60 | 0.20 | 0.40 | 0.15 | 0.38 | 1.45 | 0.75 | 1.65 | 2.50 | 0.25 | 0.55 | 0.40 | 2.50 | |||||||||||||
1989 | 0.75 | 0.06 | 0.80 | 2.00 | 0.65 | 1.62 | 1.10 | 1.80 | 0.95 | 0.26 | 0.25 | 0.14 | a | 2.00 | a | |||||||||||
1990 | 0.11 | a | 0.25 | 0.70 | 0.50 | 0.57 | 1.78 | 0.50 | 0.60 | 0.25 | 0.70 | ----- | z | ----- | z | ----- | z | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.29 | 0.34 | 0.43 | 0.65 | 0.87 | 1.26 | 1.29 | 1.14 | 1.01 | 0.76 | 0.49 | 0.33 | 1.98 | |||||||||||||
S.D. | 0.21 | 0.35 | 0.27 | 0.38 | 0.50 | 0.61 | 0.85 | 0.75 | 0.69 | 0.69 | 0.36 | 0.21 | 0.78 | |||||||||||||
SKEW | 1.12 | 2.22 | 1.07 | 0.96 | 1.70 | 0.35 | 1.52 | 1.61 | 1.45 | 2.22 | 1.40 | 1.08 | 1.03 | |||||||||||||
MAX | 0.84 | 1.60 | 1.30 | 2.00 | 3.13 | 2.67 | 4.00 | 4.55 | 3.50 | 3.85 | 1.75 | 1.05 | 4.00 | |||||||||||||
MIN | 0.01 | 0.03 | 0.05 | 0.00 | 0.23 | 0.14 | 0.18 | 0.18 | 0.02 | 0.00 | 0.00 | 0.03 | 0.85 | |||||||||||||
YRS | 53 | 54 | 57 | 57 | 61 | 62 | 58 | 64 | 64 | 64 | 63 | 59 | 38 |