YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.31 | y | 0.50 | ----- | z | |
1911 | 1.00 | 0.30 | 0.31 | q | 0.96 | 0.70 | 0.71 | 0.30 | 0.19 | 0.35 | ----- | z | 0.67 | 0.20 | ----- | z | ||||||||||
1912 | ----- | z | 1.00 | 0.80 | s | 0.40 | 0.30 | 0.43 | 0.60 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.32 | 0.53 | b | 0.51 | 0.40 | i | ----- | z | ----- | z | ||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | 0.49 | 0.09 | 0.33 | 0.11 | 0.41 | 0.85 | a | 0.18 | e | 0.48 | ----- | z | ||||||
1920 | 0.48 | 0.43 | 0.41 | 0.80 | 0.91 | 0.39 | 0.30 | 0.49 | 1.04 | 0.72 | 0.47 | 0.64 | 1.04 | |||||||||||||
1921 | 0.35 | 0.70 | 0.82 | 0.72 | a | 0.35 | 0.74 | b | 0.60 | 0.79 | 0.20 | 0.50 | 0.44 | 0.60 | 0.82 | c | ||||||||||
1922 | 0.57 | 0.38 | 1.10 | s | 0.60 | 0.39 | d | 0.08 | 0.60 | 0.53 | 0.31 | 0.33 | 1.25 | a | 0.69 | 1.25 | x | |||||||||
1923 | ----- | z | ----- | z | ----- | z | 1.05 | 0.59 | 0.31 | 0.33 | 0.60 | 0.38 | 0.21 | y | ----- | z | ----- | z | ----- | z | ||||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | k | 1.03 | 0.44 | 0.36 | 0.46 | 1.49 | 1.02 | 0.85 | b | ----- | z | ||||||
1925 | 0.24 | e | 0.56 | h | 0.80 | 0.21 | b | 0.54 | 0.40 | ----- | z | 0.97 | 0.65 | 0.65 | a | 0.37 | 0.28 | ----- | z | |||||||
1926 | 0.36 | 0.30 | 0.54 | 0.42 | a | ----- | z | 0.15 | 0.70 | 0.43 | 0.35 | 0.40 | 0.30 | 0.46 | ----- | z | ||||||||||
1927 | 0.54 | 0.39 | 0.33 | 0.56 | ----- | z | 0.81 | m | 0.80 | 0.75 | 0.50 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.88 | ----- | 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 | 0.65 | 0.41 | 1.12 | 0.91 | 0.28 | 0.22 | a | ----- | z | |||||
1948 | 1.28 | 0.45 | 0.50 | 0.68 | 0.12 | 0.54 | 0.58 | 0.25 | 0.42 | 1.10 | 0.52 | 1.52 | b | 1.52 | b | |||||||||||
1949 | 0.34 | 0.44 | 0.33 | 0.26 | 0.59 | 0.69 | 0.32 | 0.31 | 0.51 | 0.65 | 0.16 | 0.24 | 0.69 | |||||||||||||
1950 | 0.74 | 0.40 | 0.40 | a | 1.00 | 0.28 | 0.15 | 0.49 | 0.16 | 1.10 | 0.93 | 0.62 | 0.32 | 1.10 | a | |||||||||||
1951 | 1.08 | b | 0.35 | 0.18 | 0.45 | 0.64 | 0.67 | 0.24 | 0.60 | 0.30 | 0.90 | 0.40 | 2.60 | b | 2.60 | d | ||||||||||
1952 | 0.52 | 0.28 | 0.90 | 0.16 | 0.80 | 0.25 | 0.35 | 1.63 | 0.13 | 0.00 | 0.53 | 0.53 | 1.63 | |||||||||||||
1953 | 0.78 | 0.35 | 0.90 | 0.80 | 0.68 | e | 0.40 | 0.68 | 0.20 | 0.08 | 0.25 | 0.53 | 0.40 | 0.90 | e | |||||||||||
1954 | 0.48 | 0.50 | 1.02 | 0.63 | 0.35 | 0.23 | 0.30 | 0.60 | 0.60 | 0.50 | 0.56 | 0.43 | 1.02 | |||||||||||||
1955 | 0.30 | 0.48 | 0.35 | 0.50 | 0.40 | 0.65 | 0.65 | 0.70 | 0.20 | 0.70 | 1.75 | a | 0.30 | 1.75 | a | |||||||||||
1956 | 1.39 | b | 0.76 | 0.23 | 0.80 | 0.60 | 0.12 | 0.62 | 0.65 | 0.10 | 0.92 | 1.02 | 0.82 | c | 1.39 | e | ||||||||||
1957 | 0.92 | a | 0.85 | 0.79 | e | 0.98 | c | 1.50 | i | 0.95 | 0.45 | a | 0.60 | 0.42 | 1.10 | 0.35 | 0.35 | 1.50 | s | |||||||
1958 | 0.35 | 0.56 | 0.43 | 0.90 | 0.25 | 0.27 | 0.58 | 0.32 | 0.72 | 0.20 | 0.52 | 0.90 | 0.90 | |||||||||||||
1959 | 0.40 | 0.72 | 0.60 | 0.72 | 0.41 | 0.76 | 0.22 | 0.61 | 1.35 | 0.80 | 0.70 | 0.11 | 1.35 | |||||||||||||
1960 | 0.29 | 0.60 | 0.80 | 0.72 | 1.32 | 0.00 | 0.25 | 0.88 | 0.32 | 0.40 | 0.63 | 0.30 | 1.32 | |||||||||||||
1961 | 0.29 | a | 0.45 | 0.46 | 0.58 | a | 0.52 | 0.00 | 0.50 | 0.39 | 2.90 | 0.46 | 0.40 | c | 0.20 | 2.90 | e | |||||||||
1962 | 0.54 | a | 0.86 | a | 0.86 | 1.00 | 0.37 | 0.42 | 0.33 | 0.55 | 0.25 | 1.11 | 0.43 | 1.10 | 1.11 | b | ||||||||||
1963 | 0.84 | 0.55 | 0.32 | 0.42 | 0.05 | 0.82 | 0.06 | 0.71 | 0.87 | 0.50 | 0.40 | 0.28 | 0.87 | |||||||||||||
1964 | 0.24 | 0.39 | 0.46 | 0.75 | 0.36 | 0.60 | 0.40 | 0.61 | 0.16 | 0.20 | 0.37 | 1.03 | 1.03 | |||||||||||||
1965 | 0.36 | 0.45 | 0.57 | 0.26 | 0.70 | 0.40 | 0.88 | 0.61 | 0.95 | 0.40 | 0.35 | 0.45 | 0.95 | |||||||||||||
1966 | 0.28 | 0.22 | 0.42 | 0.22 | 0.35 | 0.10 | 0.86 | 1.04 | 0.52 | 1.10 | 0.13 | 1.08 | 1.10 | |||||||||||||
1967 | 0.32 | 0.58 | 0.29 | 0.77 | 0.43 | 0.58 | 0.78 | 0.30 | 0.57 | 0.61 | 0.62 | 0.45 | 0.78 | |||||||||||||
1968 | 0.50 | 0.85 | 0.35 | 0.53 | 0.30 | 0.62 | 0.36 | 0.85 | 0.22 | 0.52 | 0.73 | 0.40 | 0.85 | |||||||||||||
1969 | 0.46 | 0.25 | 0.42 | 0.65 | 0.14 | 0.75 | 0.40 | 0.90 | 0.82 | 1.20 | 0.78 | 2.50 | 2.50 | |||||||||||||
1970 | 0.94 | 0.36 | 0.36 | 1.25 | 0.47 | 0.84 | 0.72 | 0.12 | 0.35 | 1.50 | 0.70 | 0.45 | 1.50 | |||||||||||||
1971 | 0.60 | 0.38 | 0.50 | 1.16 | 0.31 | 0.19 | 0.48 | 0.52 | 0.61 | 0.46 | 0.38 | 0.75 | 1.16 | |||||||||||||
1972 | 0.42 | 0.63 | 0.40 | 0.41 | 0.46 | 0.65 | 0.10 | 0.49 | 0.44 | 1.30 | 0.43 | 0.82 | 1.30 | |||||||||||||
1973 | 0.28 | 0.27 | 0.36 | 1.18 | 0.69 | 0.51 | 0.76 | 0.47 | 0.63 | 0.48 | 0.88 | 1.69 | 1.69 | |||||||||||||
1974 | 0.42 | 0.45 | 0.71 | 0.83 | 0.07 | 0.74 | 0.33 | 0.28 | 0.37 | 0.48 | 0.33 | 0.48 | 0.83 | |||||||||||||
1975 | 0.56 | 0.55 | 0.57 | 0.53 | 0.70 | 0.34 | 0.57 | 0.51 | 0.26 | 0.57 | 0.60 | 0.22 | 0.70 | |||||||||||||
1976 | 0.55 | 0.35 | 1.25 | 0.40 | 0.70 | 0.49 | 0.44 | 0.34 | 0.70 | 0.21 | 0.41 | 0.21 | 1.25 | |||||||||||||
1977 | 0.19 | 0.65 | 0.48 | 0.26 | 0.51 | 0.16 | 0.22 | 0.91 | 0.37 | 1.09 | 0.38 | 0.83 | 1.09 | |||||||||||||
1978 | 0.78 | g | 0.36 | 0.54 | 0.40 | 0.71 | 0.38 | 0.24 | 0.26 | 0.24 | 1.05 | 0.51 | 0.46 | 1.05 | g | |||||||||||
1979 | 0.43 | 0.55 | b | 0.60 | 0.47 | 1.00 | 0.25 | 0.26 | 0.55 | 0.08 | 1.08 | 2.00 | 0.25 | 2.00 | b | |||||||||||
1980 | 1.18 | 0.78 | 0.83 | 0.32 | 0.32 | 0.00 | 0.50 | 0.46 | 0.32 | 0.65 | 0.67 | 0.33 | 1.18 | |||||||||||||
1981 | 0.43 | 0.37 | 0.60 | 0.30 | 1.41 | 1.20 | a | 1.23 | 0.34 | 0.70 | 0.55 | a | 0.60 | 1.08 | a | 1.41 | c | |||||||||
1982 | 0.65 | i | 0.45 | a | 0.87 | 0.70 | 1.60 | 0.22 | 0.78 | 0.38 | 0.40 | 1.12 | 1.00 | 0.60 | 1.60 | j | ||||||||||
1983 | 0.23 | 0.43 | 0.45 | 0.43 | 1.00 | 0.66 | 2.00 | 1.55 | 0.30 | 0.35 | 0.66 | 0.64 | 2.00 | |||||||||||||
1984 | 0.40 | 0.33 | 0.77 | 0.90 | b | 0.77 | 1.33 | 0.58 | 0.63 | 0.34 | 0.52 | 0.68 | 0.62 | 1.33 | b | |||||||||||
1985 | 0.52 | 0.55 | 0.34 | 0.92 | 0.35 | 0.38 | 0.84 | 0.64 | 0.50 | 0.77 | 1.13 | 0.30 | a | 1.13 | a | |||||||||||
1986 | 0.31 | 1.63 | 0.68 | 1.28 | a | 0.78 | b | 0.58 | 0.82 | 0.86 | 0.65 | 0.67 | 0.63 | x | 0.18 | ----- | z | |||||||||
1987 | 0.58 | a | 0.50 | 0.33 | 0.61 | 0.33 | 0.49 | 1.22 | 0.62 | 0.20 | 0.55 | 0.41 | 1.00 | a | 1.22 | b | ||||||||||
1988 | 0.41 | 1.00 | 0.73 | 0.49 | 0.61 | 0.36 | ----- | z | 0.30 | 1.88 | 0.36 | 0.58 | 0.70 | w | ----- | z | ||||||||||
1989 | 0.30 | 0.68 | 0.40 | 0.74 | 0.20 | 0.42 | 0.57 | 0.50 | 0.73 | 0.28 | 0.20 | f | 0.55 | 0.74 | f | |||||||||||
1990 | 0.18 | 0.49 | 0.90 | 0.50 | 0.44 | 1.32 | 0.62 | 0.20 | 0.94 | 1.10 | ----- | z | 0.51 | ----- | z | |||||||||||
1991 | 0.53 | 0.55 | 0.90 | 0.37 | 0.45 | 0.50 | 0.37 | 0.47 | 0.50 | 0.78 | 0.70 | 0.20 | 0.90 | |||||||||||||
1992 | 0.26 | 0.50 | 0.40 | 0.67 | 0.75 | 0.66 | 0.82 | 0.23 | 0.40 | 0.80 | 0.32 | 0.49 | 0.82 | |||||||||||||
1993 | 0.70 | 0.47 | 0.44 | 0.43 | 0.22 | 0.49 | 0.13 | 0.16 | a | 0.57 | 0.37 | 0.73 | 0.30 | 0.73 | a | |||||||||||
1994 | 0.60 | 0.40 | 0.44 | 0.34 | 0.23 | 0.34 | 0.81 | 0.48 | g | 0.70 | o | 0.53 | q | 0.49 | 0.22 | ----- | z | |||||||||
1995 | 0.35 | 0.45 | 0.50 | e | 1.00 | a | 0.67 | 0.87 | 0.31 | 0.30 | 1.10 | 0.94 | 0.65 | 0.43 | 1.10 | f | ||||||||||
1996 | 1.20 | a | 0.90 | a | 0.61 | a | 0.46 | 0.68 | 0.88 | 0.40 | 0.08 | 0.40 | 0.45 | 0.68 | 0.55 | 1.20 | c | |||||||||
1997 | 0.66 | a | 0.41 | a | 0.40 | 0.73 | 1.10 | 0.76 | 0.75 | 1.08 | 1.40 | 0.63 | 0.57 | 0.17 | 1.40 | b | ||||||||||
1998 | 0.26 | d | 0.28 | a | 0.62 | a | 0.50 | b | 0.31 | 0.46 | 0.95 | 0.30 | 0.60 | 0.70 | 0.20 | 2.90 | a | 2.90 | i | |||||||
1999 | 0.50 | d | 0.44 | 0.25 | b | 0.60 | a | 0.38 | 0.37 | 0.50 | 0.35 | 0.45 | 0.60 | 0.30 | 0.50 | a | 0.60 | h | ||||||||
2000 | 0.60 | 0.34 | b | 0.97 | 0.30 | 0.30 | 0.50 | 0.32 | 0.32 | 1.60 | 0.22 | 0.30 | 0.71 | 1.60 | b | |||||||||||
2001 | 0.35 | 0.33 | 0.58 | 0.85 | 0.47 | 0.30 | 0.62 | 0.52 | 0.82 | 0.66 | 0.65 | 0.55 | b | 0.85 | b | |||||||||||
2002 | 0.29 | a | 0.23 | 0.40 | a | 0.45 | 0.45 | 0.14 | 0.56 | 0.30 | 0.45 | 1.10 | b | 0.82 | 0.60 | 1.10 | d | |||||||||
2003 | 0.50 | 0.50 | 1.00 | a | 1.50 | 0.50 | 0.67 | 0.22 | 1.05 | 1.05 | 0.21 | 0.91 | a | 0.78 | 1.50 | b | ||||||||||
2004 | 0.37 | 0.50 | g | 0.45 | a | 0.42 | a | 0.35 | 1.05 | 0.99 | h | 0.60 | 0.90 | 1.00 | 0.70 | 0.35 | 1.05 | q | ||||||||
2005 | 0.45 | a | 0.41 | c | 0.66 | a | 0.48 | 0.48 | 1.09 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.52 | 0.51 | 0.57 | 0.64 | 0.53 | 0.52 | 0.55 | 0.53 | 0.60 | 0.68 | 0.60 | 0.64 | 1.25 | |||||||||||||
S.D. | 0.28 | 0.23 | 0.23 | 0.29 | 0.30 | 0.32 | 0.31 | 0.31 | 0.46 | 0.34 | 0.33 | 0.55 | 0.44 | |||||||||||||
SKEW | 1.41 | 2.13 | 0.70 | 0.69 | 1.31 | 0.52 | 1.81 | 1.32 | 2.38 | 0.38 | 1.94 | 2.53 | 1.28 | |||||||||||||
MAX | 1.39 | 1.63 | 1.25 | 1.50 | 1.60 | 1.33 | 2.00 | 1.63 | 2.90 | 1.50 | 2.00 | 2.90 | 2.60 | |||||||||||||
MIN | 0.18 | 0.22 | 0.18 | 0.16 | 0.05 | 0.00 | 0.06 | 0.08 | 0.08 | 0.00 | 0.13 | 0.11 | 0.69 | |||||||||||||
YRS | 63 | 64 | 63 | 67 | 65 | 69 | 66 | 69 | 68 | 65 | 63 | 66 | 44 |