YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | 0.88 | 0.71 | 0.50 | ----- | z | 0.75 | 0.50 | 1.25 | ----- | z | 0.50 | ----- | z | |||||||
1915 | 0.50 | 0.75 | 0.25 | 1.00 | 1.00 | s | 0.50 | 0.25 | 0.50 | 2.12 | q | 0.12 | 1.00 | 0.54 | p | ----- | z | |||||||||
1916 | 1.30 | p | 1.00 | 0.73 | 0.60 | 0.82 | 0.00 | 1.30 | 1.40 | 0.53 | 1.62 | 0.12 | 0.60 | s | ----- | z | ||||||||||
1917 | 0.16 | a | 0.22 | 0.24 | 0.70 | 0.56 | 0.24 | 0.40 | 0.08 | 0.17 | 0.70 | 0.08 | 0.32 | 0.70 | a | |||||||||||
1918 | 0.90 | 0.52 | 0.72 | 0.30 | 0.25 | y | 0.71 | 0.65 | 0.70 | 1.30 | 0.66 | t | 0.70 | 0.50 | ----- | z | ||||||||||
1919 | 0.38 | ----- | z | 0.80 | b | 0.70 | 0.48 | 0.10 | 0.52 | 0.46 | 0.78 | r | 0.32 | 0.72 | a | 0.35 | ----- | z | ||||||||
1920 | 0.24 | 0.40 | 1.20 | 0.48 | 1.45 | a | 0.90 | 0.56 | 1.10 | t | 0.85 | s | 0.83 | 0.35 | 0.60 | ----- | z | |||||||||
1921 | 0.40 | p | 0.56 | b | 0.60 | s | 0.56 | 0.45 | u | 0.85 | 0.85 | j | 0.89 | 0.35 | 0.60 | ----- | z | 0.90 | s | ----- | z | |||||
1922 | 0.42 | 0.60 | k | 1.14 | s | 0.45 | 1.20 | 0.21 | 0.58 | 0.38 | 0.34 | 0.13 | 0.73 | 0.88 | ----- | z | ||||||||||
1923 | 0.40 | 0.30 | 0.33 | 0.37 | 0.99 | 0.04 | 0.88 | 0.55 | 0.82 | 0.56 | 1.38 | 0.60 | 1.38 | |||||||||||||
1924 | 0.26 | 0.38 | 0.57 | 0.50 | a | 0.60 | 0.20 | 0.70 | 0.63 | 0.70 | 0.71 | b | 0.65 | c | 0.85 | 0.85 | f | |||||||||
1925 | 0.35 | 1.15 | 0.87 | 0.87 | 0.56 | 0.57 | 0.45 | q | 0.06 | 0.75 | 0.92 | 0.35 | 0.40 | 1.15 | q | |||||||||||
1926 | 0.40 | 0.40 | 0.50 | a | 1.70 | 0.85 | 0.00 | 0.50 | 0.30 | 1.34 | 0.60 | 0.60 | 0.30 | v | 1.70 | w | ||||||||||
1927 | 0.38 | 1.50 | 0.80 | 0.45 | a | 0.95 | a | 0.85 | q | 1.45 | 0.85 | 1.60 | 0.75 | 0.60 | 0.30 | 1.60 | s | |||||||||
1928 | 0.35 | 0.85 | 0.70 | 0.30 | 0.85 | a | 0.80 | 0.55 | 0.87 | 0.50 | 0.60 | 0.73 | 0.25 | 0.87 | a | |||||||||||
1929 | 0.40 | 0.33 | 2.15 | 0.85 | 0.30 | 0.00 | 1.20 | 0.70 | 0.95 | 0.65 | 0.16 | 0.20 | 2.15 | |||||||||||||
1930 | 0.43 | 0.20 | 0.72 | 0.30 | 2.80 | 0.87 | 0.85 | 0.65 | 0.45 | 0.90 | 0.30 | 0.25 | 2.80 | |||||||||||||
1931 | 0.14 | 0.23 | 0.25 | 0.43 | 0.58 | 0.30 | 0.58 | 0.58 | 0.65 | 1.00 | 0.52 | 0.22 | 1.00 | |||||||||||||
1932 | 0.22 | 1.00 | 1.10 | 0.87 | 0.35 | 0.45 | v | 0.75 | 1.15 | 0.25 | 0.65 | 0.35 | 0.27 | 1.15 | v | |||||||||||
1933 | 0.30 | 0.21 | 0.25 | 0.62 | 0.57 | 0.40 | 0.85 | 0.65 | 1.00 | 0.35 | 0.30 | 0.90 | 1.00 | |||||||||||||
1934 | 0.23 | 1.00 | 0.33 | 0.40 | 0.55 | 0.82 | 0.25 | p | 0.70 | 0.80 | 0.35 | 0.55 | 0.35 | 1.00 | p | |||||||||||
1935 | 1.25 | 0.27 | 0.65 | 0.70 | 0.55 | 0.03 | 0.90 | 1.00 | 0.90 | 0.54 | 0.70 | 0.59 | a | 1.25 | a | |||||||||||
1936 | 0.49 | 1.40 | 1.00 | 0.52 | 0.55 | 0.26 | 1.55 | 1.00 | 0.25 | 0.72 | 0.59 | 0.55 | 1.55 | |||||||||||||
1937 | 0.33 | 0.82 | 0.45 | 0.83 | 0.33 | 0.40 | 0.50 | 0.56 | 1.40 | 1.14 | 0.25 | 0.52 | 1.40 | |||||||||||||
1938 | 0.54 | 0.55 | 1.02 | 1.70 | 0.37 | 1.12 | 0.32 | 0.44 | 0.62 | 1.00 | 0.60 | 0.45 | 1.70 | |||||||||||||
1939 | 0.42 | 0.36 | 0.60 | 0.37 | 0.27 | 0.20 | 0.48 | 0.57 | 0.90 | 0.67 | 0.35 | 0.20 | 0.90 | |||||||||||||
1940 | 0.72 | 0.69 | 0.44 | 0.66 | j | 0.36 | b | 0.20 | 0.17 | 0.40 | 1.25 | j | 1.10 | 0.82 | 0.72 | 1.25 | v | |||||||||
1941 | 0.45 | 0.62 | 0.62 | 0.58 | 1.40 | 1.20 | 0.45 | 0.83 | 2.50 | 1.75 | 0.30 | 0.40 | 2.50 | |||||||||||||
1942 | 0.30 | 0.50 | 0.86 | 0.64 | 0.78 | b | 0.18 | 0.38 | 0.35 | 1.00 | 0.60 | 0.24 | b | 0.65 | 1.00 | d | ||||||||||
1943 | 0.70 | 0.56 | 1.20 | o | 0.45 | 0.90 | 0.83 | u | 0.32 | 1.00 | 0.26 | 1.00 | 0.33 | a | 0.36 | ----- | z | |||||||||
1944 | 0.86 | 0.35 | 1.30 | a | 1.50 | 0.27 | a | 1.45 | 0.45 | 0.40 | 0.85 | 0.55 | 0.42 | 0.94 | 1.50 | b | ||||||||||
1945 | 0.26 | 0.48 | 0.26 | 1.00 | 0.37 | 0.14 | 0.90 | 0.60 | 0.46 | 0.75 | 0.39 | 0.60 | a | 1.00 | a | |||||||||||
1946 | 0.40 | 0.30 | 0.72 | 0.60 | 0.62 | 0.05 | 0.50 | 0.56 | 0.54 | 0.90 | 0.70 | 0.44 | 0.90 | |||||||||||||
1947 | 0.42 | 0.90 | 0.45 | 0.76 | 0.70 | 0.76 | 0.61 | 1.40 | 0.58 | e | 1.70 | 0.42 | 0.78 | 1.70 | e | |||||||||||
1948 | 0.60 | 0.64 | 0.74 | 1.20 | s | 0.85 | 0.86 | 0.65 | 0.65 | 0.40 | 0.35 | 0.60 | 0.23 | 1.20 | s | |||||||||||
1949 | 1.06 | 0.39 | b | 0.90 | 0.59 | 0.26 | 1.12 | 0.47 | 0.35 | 0.37 | g | 1.10 | 0.60 | 0.40 | 1.12 | i | ||||||||||
1950 | ----- | z | 0.80 | 0.52 | 1.25 | 0.45 | 0.75 | 0.70 | 0.27 | 0.66 | 0.22 | 1.55 | 0.80 | a | ----- | z | ||||||||||
1951 | 1.00 | 0.35 | 0.55 | 0.65 | 0.85 | 0.05 | 0.40 | 0.62 | 0.72 | 0.94 | 1.10 | 1.50 | 1.50 | |||||||||||||
1952 | 1.10 | 0.65 | 0.50 | a | 0.65 | 0.88 | 0.45 | 0.95 | 0.60 | 0.98 | 0.00 | 0.28 | 0.45 | 1.10 | a | |||||||||||
1953 | 0.56 | 0.21 | 0.45 | 0.49 | 0.88 | 0.18 | 0.97 | 0.66 | 0.14 | 1.68 | 0.89 | 0.17 | 1.68 | |||||||||||||
1954 | 0.15 | 0.08 | 0.66 | 0.35 | 0.57 | 0.53 | 0.56 | 0.48 | 1.21 | 0.40 | 0.33 | 0.42 | 1.21 | |||||||||||||
1955 | 0.71 | 0.68 | 0.55 | 0.50 | 0.93 | a | 0.05 | f | ----- | z | 0.63 | 0.38 | 0.15 | 0.51 | 1.10 | ----- | z | |||||||||
1956 | 1.14 | 0.33 | 0.40 | 0.30 | 0.37 | 0.50 | ----- | z | 0.43 | 0.15 | 0.59 | 0.25 | 0.33 | ----- | z | |||||||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.90 | 2.05 | c | 0.69 | c | ----- | z | ||
1958 | 0.55 | 0.90 | b | 0.95 | 1.65 | 0.12 | 0.41 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.38 | ----- | z | 0.63 | 0.88 | 1.11 | a | 1.20 | ----- | z | ||||
1978 | 1.55 | ----- | z | 0.60 | 0.40 | 0.88 | 0.34 | 0.50 | 0.37 | 0.24 | 0.87 | 1.63 | 0.52 | ----- | z | |||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.50 | 0.38 | 0.20 | 1.10 | 0.52 | 0.41 | ----- | z | ||||||
1980 | 1.00 | 1.02 | 0.72 | 0.64 | 0.70 | 0.00 | 0.63 | 0.74 | 0.49 | 0.80 | 0.48 | 0.37 | 1.02 | |||||||||||||
1981 | 0.24 | 0.34 | 0.54 | 0.44 | 1.01 | 0.98 | 1.02 | 0.37 | ----- | z | 1.14 | 0.56 | 0.63 | ----- | z | |||||||||||
1982 | 0.92 | a | 0.43 | 0.94 | 0.42 | 0.82 | 0.22 | 1.63 | 1.61 | 0.65 | 0.46 | 0.71 | b | 0.58 | 1.63 | c | ||||||||||
1983 | 0.39 | 0.57 | 0.53 | a | 0.49 | 0.82 | b | 0.60 | 0.57 | 0.62 | 0.76 | a | 0.38 | 0.67 | 0.96 | 0.96 | d | |||||||||
1984 | 0.46 | 0.50 | 0.60 | 1.64 | 0.57 | 0.72 | 0.92 | 0.62 | 1.30 | 1.32 | a | 0.87 | 0.87 | 1.64 | a | |||||||||||
1985 | 0.74 | 0.74 | 1.27 | 0.31 | 1.17 | 0.80 | 0.79 | ----- | z | 1.34 | 0.71 | 1.01 | 0.36 | ----- | z | |||||||||||
1986 | 0.20 | 1.72 | 0.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.54 | 0.61 | 0.68 | 0.69 | 0.72 | 0.48 | 0.69 | 0.64 | 0.71 | 0.77 | 0.63 | 0.55 | 1.37 | |||||||||||||
S.D. | 0.32 | 0.36 | 0.34 | 0.38 | 0.43 | 0.37 | 0.33 | 0.31 | 0.47 | 0.41 | 0.39 | 0.29 | 0.52 | |||||||||||||
SKEW | 1.13 | 1.12 | 1.76 | 1.50 | 2.49 | 0.55 | 1.14 | 1.03 | 1.34 | 0.52 | 1.51 | 1.11 | 1.20 | |||||||||||||
MAX | 1.55 | 1.72 | 2.15 | 1.70 | 2.80 | 1.45 | 1.63 | 1.61 | 2.50 | 1.75 | 2.05 | 1.50 | 2.80 | |||||||||||||
MIN | 0.14 | 0.08 | 0.24 | 0.30 | 0.12 | 0.00 | 0.17 | 0.06 | 0.00 | 0.00 | 0.08 | 0.17 | 0.70 | |||||||||||||
YRS | 48 | 48 | 48 | 49 | 48 | 47 | 46 | 49 | 47 | 52 | 51 | 49 | 25 |