YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.27 | ----- | z | ----- | z | ----- | z | 1.27 | k | |
1917 | ----- | z | ----- | z | ----- | z | 1.53 | 2.06 | 2.31 | 0.82 | 4.37 | ----- | z | ----- | z | 0.01 | ----- | z | 11.10 | f | ||||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | 2.56 | 0.87 | b | 0.91 | 0.01 | a | 0.76 | 0.30 | 0.05 | 0.26 | 5.72 | d | ||||||
1925 | 0.01 | 0.05 | 0.21 | 0.61 | 2.90 | 1.17 | 1.43 | 2.89 | 0.96 | 0.65 | 0.36 | 0.39 | 11.63 | |||||||||||||
1926 | 0.37 | 0.08 | 1.04 | 1.21 | 2.12 | 2.95 | a | 2.69 | 0.56 | 0.65 | 0.67 | 0.00 | 0.20 | 12.54 | ||||||||||||
1927 | 0.06 | 0.43 | 0.95 | 0.20 | 0.57 | 3.11 | 5.31 | 4.60 | 1.81 | 0.25 | 0.17 | 0.03 | 17.49 | |||||||||||||
1928 | 0.00 | 0.28 | 1.03 | 0.23 | 3.45 | 3.85 | 1.67 | 0.68 | 0.26 | 0.31 | 1.08 | 0.02 | a | 12.86 | ||||||||||||
1929 | 0.10 | 0.25 | 0.27 | 1.15 | a | 0.34 | 0.46 | 3.42 | 1.92 | 1.36 | 0.53 | 0.04 | 0.20 | 10.04 | ||||||||||||
1930 | 0.04 | 0.02 | 0.06 | 1.53 | 3.63 | 0.24 | 1.96 | 4.08 | 0.74 | 0.40 | ----- | z | 0.09 | 12.79 | a | |||||||||||
1931 | 0.25 | 0.42 | 0.34 | 0.95 | 1.36 | 1.31 | 0.87 | 1.06 | 0.25 | a | 0.00 | 0.28 | 0.00 | 7.09 | ||||||||||||
1932 | 0.10 | 0.03 | 0.32 | 1.46 | 1.47 | 1.91 | 2.50 | 1.07 | 0.11 | 0.10 | 0.03 | 0.24 | 9.34 | |||||||||||||
1933 | 0.00 | 0.08 | 0.16 | 2.00 | 2.33 | 0.66 | 2.43 | 4.48 | 2.86 | 0.00 | 0.50 | i | 0.83 | 15.83 | a | |||||||||||
1934 | 0.02 | 1.20 | 0.38 | 0.65 | 0.08 | 0.88 | 1.12 | 0.43 | 0.44 | 0.10 | 0.18 | 0.03 | 5.51 | |||||||||||||
1935 | 0.00 | 0.36 | 0.53 | 1.46 | 8.31 | 0.79 | 0.68 | 1.47 | 0.94 | 0.30 | 0.01 | 0.41 | 15.26 | |||||||||||||
1936 | 0.00 | ----- | z | 0.31 | 0.23 | 2.37 | 2.60 | 1.96 | 3.60 | 2.10 | 0.38 | 0.08 | 0.09 | 13.72 | a | |||||||||||
1937 | 0.03 | 0.23 | 0.79 | 1.01 | 0.17 | 3.12 | 1.78 | 3.24 | 0.58 | ----- | z | 0.01 | 0.49 | 11.45 | a | |||||||||||
1938 | 0.17 | 0.27 | 0.58 | 1.64 | 1.93 | 1.11 | 2.93 | 1.25 | 3.57 | 0.56 | 0.35 | 0.16 | 14.52 | |||||||||||||
1939 | 0.80 | 0.54 | 1.78 | 2.59 | 1.31 | 0.39 | 1.60 | 1.09 | 0.36 | 0.47 | ----- | z | 0.25 | 11.18 | a | |||||||||||
1940 | 0.41 | 0.36 | 0.67 | 0.78 | 4.58 | 0.31 | 2.02 | 1.12 | 2.87 | 0.07 | 0.10 | 0.33 | 13.62 | |||||||||||||
1941 | 0.41 | 0.05 | 1.68 | 1.40 | 4.15 | 3.32 | 5.51 | 3.07 | 3.90 | 2.32 | 0.26 | 0.15 | 26.22 | |||||||||||||
1942 | 0.20 | 0.40 | 0.08 | 5.06 | 0.92 | 2.21 | 1.30 | 2.37 | 4.02 | 1.99 | 0.18 | 0.17 | 18.90 | |||||||||||||
1943 | 0.29 | 0.24 | 0.22 | 0.75 | 3.22 | 1.65 | 0.75 | 1.87 | 0.07 | 0.29 | 0.54 | 0.40 | 10.29 | |||||||||||||
1944 | 0.20 | 0.07 | 1.15 | 2.64 | 1.82 | 1.10 | 2.22 | 0.63 | j | 0.61 | 0.00 | 0.29 | 0.05 | 10.15 | a | |||||||||||
1945 | 0.54 | 0.26 | 0.54 | 1.34 | 1.17 | 2.51 | 1.36 | 3.65 | 0.68 | 0.97 | 0.12 | 0.05 | 13.19 | |||||||||||||
1946 | 0.18 | 0.14 | 0.17 | 1.01 | 1.00 | 0.82 | 3.89 | 4.22 | 0.25 | 0.61 | 1.56 | 0.12 | 13.97 | |||||||||||||
1947 | 0.17 | 0.62 | 0.26 | 0.90 | 3.10 | 2.89 | 2.91 | 3.51 | 0.25 | 1.03 | 0.20 | 0.26 | 16.10 | |||||||||||||
1948 | 0.58 | 0.42 | 0.64 | 0.59 | 0.77 | i | 2.25 | 1.27 | 3.71 | 0.00 | 0.00 | 0.27 | 0.19 | 9.92 | a | |||||||||||
1949 | 0.12 | 0.16 | 0.87 | 0.31 | h | 2.21 | e | 4.10 | 2.16 | 1.83 | 0.54 | j | 0.66 | c | 0.00 | d | 0.00 | g | 12.11 | c | ||||||
1950 | 0.17 | f | 0.13 | 0.19 | 1.29 | 0.30 | 1.47 | 3.55 | 1.37 | 2.04 | 0.00 | 0.30 | 0.01 | 10.65 | a | |||||||||||
1951 | 0.35 | 0.18 | 0.29 | 0.80 | 1.98 | 2.28 | 3.27 | 1.94 | 1.66 | 1.78 | 0.46 | 0.07 | 15.06 | |||||||||||||
1952 | 0.07 | 0.10 | 0.74 | h | 2.30 | 2.05 | 0.61 | 0.97 | 5.84 | 0.72 | 0.00 | 0.60 | 0.23 | 13.49 | a | |||||||||||
1953 | 0.02 | c | 0.07 | g | 0.50 | 1.82 | 1.87 | 0.84 | 1.83 | 2.73 | 0.15 | b | 0.71 | 0.37 | 0.37 | 11.21 | a | |||||||||
1954 | 0.15 | 0.03 | 0.51 | 0.03 | 1.53 | 0.91 | 1.08 | 2.85 | 0.27 | 0.97 | 0.19 | 0.18 | 8.70 | |||||||||||||
1955 | 0.20 | 0.26 | 0.31 | 0.10 | 1.63 | 1.00 | 1.51 | 3.35 | 1.20 | 0.13 | 0.20 | 0.03 | 9.92 | |||||||||||||
1956 | 0.48 | 0.15 | 0.43 | 0.27 | 1.25 | 1.74 | 2.00 | 2.54 | 0.22 | 0.41 | 0.50 | 0.12 | 10.11 | |||||||||||||
1957 | 0.37 | 0.15 | 0.51 | 4.14 | 6.01 | 1.52 | 2.19 | 4.18 | 1.20 | 1.35 | 0.92 | 0.09 | 22.63 | |||||||||||||
1958 | 0.10 | 0.34 | 1.01 | 0.72 | 5.31 | 3.01 | 4.84 | 1.23 | 1.26 | 0.87 | 0.30 | 0.10 | 19.09 | |||||||||||||
1959 | 0.33 | 0.16 | 0.76 | 0.83 | c | 1.32 | 2.10 | 0.30 | 1.17 | 2.16 | 0.73 | 0.26 | 0.07 | 10.19 | ||||||||||||
1960 | 0.52 | 0.71 | 0.53 | 0.31 | 1.54 | 1.48 | 1.26 | 0.72 | 0.49 | 2.50 | 0.15 | 0.44 | 10.65 | |||||||||||||
1961 | 0.07 | 0.42 | 1.16 | 0.70 | 1.71 | 3.23 | 1.40 | 4.76 | 1.84 | 0.13 | 0.39 | 0.28 | 16.09 | |||||||||||||
1962 | 0.45 | a | 0.15 | 0.32 | 0.85 | 1.75 | 2.05 | 1.82 | 0.31 | 0.08 | 0.00 | 0.63 | 0.32 | 8.73 | ||||||||||||
1963 | 0.34 | 0.01 | 0.73 | 0.00 | 1.00 | 1.50 | 1.80 | 6.31 | 2.48 | 0.23 | 0.12 | 0.17 | 14.69 | |||||||||||||
1964 | 0.03 | 0.18 | 0.50 | 0.00 | 2.30 | 0.05 | 0.07 | 1.81 | 0.62 | 0.00 | 0.25 | 0.00 | 5.81 | |||||||||||||
1965 | 0.10 | 0.42 | 0.83 | 0.69 | 1.61 | 3.44 | 3.37 | 4.16 | 0.82 | 0.65 | 0.00 | 0.24 | 16.33 | |||||||||||||
1966 | 0.32 | 0.06 | 0.02 | 0.70 | 0.48 | 0.56 | 1.73 | 1.81 | 1.84 | 0.25 | 0.00 | 0.11 | 7.88 | |||||||||||||
1967 | 0.21 | 0.12 | 0.18 | 1.02 | 3.69 | 2.64 | 3.50 | 2.78 | 0.63 | 0.05 | 0.20 | 0.37 | 15.39 | |||||||||||||
1968 | 0.40 | 0.25 | 0.40 | 0.91 | 0.47 | 0.99 | 4.78 | 2.46 | 0.85 | 0.38 | 0.23 | 0.32 | 12.44 | |||||||||||||
1969 | 0.12 | 0.08 | 0.65 | 0.76 | 3.29 | 1.87 | 2.73 | 2.63 | 1.27 | 1.91 | 0.21 | 0.51 | 16.03 | |||||||||||||
1970 | 0.00 | 0.00 | 0.74 | 1.18 | 0.62 | 1.51 | 3.27 | 1.15 | 0.71 | 1.40 | 0.30 | 0.00 | 10.88 | |||||||||||||
1971 | 0.50 | 0.23 | 0.22 | 1.30 | 1.05 | 0.61 | 2.74 | 1.67 | 1.44 | 0.28 | ----- | z | ----- | z | 10.04 | b | ||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.51 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1975 | ----- | z | ----- | z | ----- | z | 0.53 | 1.73 | 1.53 | 2.42 | 1.43 | 0.94 | 0.26 | 0.57 | 0.02 | 9.43 | c | |||||||||
1976 | 0.12 | 0.06 | 0.66 | 1.47 | 0.83 | 0.36 | 1.97 | 2.62 | 4.00 | 0.60 | 0.15 | 0.00 | 12.84 | |||||||||||||
1977 | ----- | z | 0.29 | d | 0.30 | 1.70 | 2.97 | 1.70 | 6.49 | 1.43 | 0.15 | 0.10 | 0.52 | 0.23 | 15.88 | a | ||||||||||
1978 | 0.07 | 0.04 | 0.24 | 0.77 | 2.87 | 1.95 | 1.23 | 2.04 | 0.00 | 0.52 | 0.25 | 0.45 | 10.43 | |||||||||||||
1979 | 0.57 | 0.00 | 1.96 | 1.94 | 3.35 | 1.72 | 2.82 | 2.50 | 0.58 | 0.06 | a | 0.58 | 1.43 | 17.51 | ||||||||||||
1980 | 0.44 | 0.26 | 0.72 | 2.25 | 3.54 | 1.78 | 1.71 | 1.80 | 0.93 | 0.00 | 0.33 | 0.00 | 13.76 | |||||||||||||
1981 | 0.04 | 0.00 | 1.14 | 0.21 | 2.26 | 1.00 | 1.53 | 3.35 | 0.40 | 0.20 | 0.00 | 0.57 | 10.70 | |||||||||||||
1982 | 0.02 | 0.08 | 0.23 | c | 0.06 | 4.87 | o | 4.11 | 3.60 | 2.31 | 1.66 | 0.13 | c | 0.73 | 0.34 | 13.27 | a | |||||||||
1983 | 0.00 | 0.12 | 1.86 | d | 1.14 | 1.56 | 3.00 | 1.91 | 4.05 | 0.00 | 1.16 | 0.51 | a | 0.20 | 15.51 | |||||||||||
1984 | 0.35 | a | 0.10 | 1.76 | 1.29 | 1.28 | 1.94 | 1.75 | 3.59 | 0.30 | 1.81 | 0.20 | 0.47 | 14.84 | ||||||||||||
1985 | 0.20 | 0.19 | 0.45 | 1.38 | a | 2.56 | 1.28 | 4.08 | 1.89 | 1.18 | 0.36 | 0.50 | 0.16 | 14.23 | ||||||||||||
1986 | 0.00 | 0.04 | 0.00 | 0.71 | a | 0.67 | 2.01 | 2.72 | 1.16 | 0.42 | 0.40 | 0.23 | a | 0.14 | 8.50 | |||||||||||
1987 | 0.67 | a | 1.29 | 1.10 | 0.96 | 6.63 | 3.99 | 1.14 | a | 4.95 | 1.03 | 0.70 | 0.80 | 0.32 | 23.58 | |||||||||||
1988 | 0.61 | 0.12 | ----- | z | 0.41 | 2.40 | 1.67 | 2.97 | 0.94 | 0.64 | 0.15 | 0.36 | 0.53 | 10.80 | a | |||||||||||
1989 | 0.24 | 0.43 | 0.22 | l | 0.54 | 1.70 | 3.58 | 2.38 | 1.25 | 1.48 | 0.23 | 0.00 | 0.25 | 12.08 | a | |||||||||||
1990 | 0.54 | 0.40 | 0.64 | 1.55 | 1.83 | 3.24 | 5.23 | c | 0.72 | 3.54 | 0.73 | 0.44 | 0.03 | 18.89 | ||||||||||||
1991 | 0.14 | 0.01 | 0.77 | 1.70 | 0.76 | 1.19 | 4.06 | 1.88 | 0.65 | 0.58 | 1.22 | 0.47 | 13.43 | |||||||||||||
1992 | 0.16 | 0.00 | 1.18 | 0.71 | f | 0.74 | 4.13 | 1.40 | 3.47 | 0.04 | 0.00 | 0.58 | b | 0.19 | 11.89 | a | ||||||||||
1993 | 0.33 | 0.19 | 0.36 | 0.20 | 2.91 | 1.96 | 2.82 | 1.97 | 1.36 | a | 1.02 | 0.96 | 0.03 | 14.11 | ||||||||||||
1994 | 0.25 | 0.08 | 0.86 | 1.65 | 2.47 | 2.87 | 1.06 | 4.99 | a | 2.04 | 2.64 | 0.16 | 0.00 | j | 19.07 | a | ||||||||||
1995 | 0.00 | e | 0.23 | 0.61 | 3.59 | 5.09 | 3.68 | 0.90 | 1.86 | 0.83 | ----- | z | ----- | z | ----- | z | 16.79 | c | ||||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1997 | ----- | z | ----- | z | ----- | z | 1.79 | a | 1.61 | 3.54 | 3.22 | 3.04 | 0.64 | 2.37 | 0.92 | 0.14 | 17.27 | c | ||||||||
1998 | 0.02 | 0.49 | 0.66 | 1.23 | 2.17 | 1.77 | 7.23 | 2.42 | 0.92 | 0.92 | 0.21 | 0.14 | 18.18 | |||||||||||||
1999 | 0.14 | 0.14 | 0.11 | 8.68 | 3.61 | 1.95 | 3.30 | 3.95 | 0.66 | 0.25 | 0.50 | 0.24 | 23.53 | |||||||||||||
2000 | 0.20 | 0.30 | 2.80 | 0.37 | 2.83 | 1.24 | 3.29 | 0.92 | 0.53 | 2.41 | 0.18 | 0.16 | 15.23 | |||||||||||||
2001 | 0.54 | 0.17 | 0.62 | 0.91 | 6.30 | 1.44 | 4.48 | 1.84 | 1.02 | 0.00 | 1.35 | 0.15 | 18.82 | |||||||||||||
2002 | 0.34 | 0.25 | 0.06 | 0.09 | 0.66 | 1.44 | 0.34 | 2.02 | 1.35 | 0.59 | 0.12 | 0.24 | 7.50 | |||||||||||||
2003 | 0.31 | 0.55 | 1.20 | 1.30 | 1.70 | 3.61 | 1.87 | 2.41 | 0.53 | 0.05 | 0.08 | 0.17 | 13.78 | |||||||||||||
2004 | 0.42 | 0.47 | 0.21 | 1.89 | 0.25 | 2.70 | 2.57 | 6.10 | 0.58 | 0.17 | 0.55 | 0.13 | 16.04 | |||||||||||||
2005 | 0.55 | 0.03 | 0.92 | 2.15 | 1.86 | 2.59 | 0.85 | a | 3.49 | 1.04 | 2.20 | 0.10 | 0.32 | 16.10 | ||||||||||||
2006 | 0.15 | 0.04 | 0.79 | 0.28 | 1.13 | 0.44 | 4.46 | 2.73 | 3.11 | 1.79 | 0.18 | 1.00 | 16.10 | |||||||||||||
2007 | 0.47 | 0.36 | 0.51 | 3.71 | 3.27 | 0.89 | 0.16 | 3.50 | 0.35 | 0.29 | 0.08 | 0.50 | 14.09 | |||||||||||||
2008 | 0.29 | 0.30 | 0.61 | 1.04 | 0.21 | 1.25 | 1.28 | 5.82 | 0.39 | 0.26 | 0.60 | 0.35 | 12.40 | |||||||||||||
2009 | 0.17 | 0.11 | 0.87 | 1.70 | 0.69 | 3.71 | 2.76 | 1.80 | 1.75 | b | 1.45 | 0.37 | 0.37 | 15.75 | ||||||||||||
2010 | 0.08 | 0.64 | 0.95 | 0.67 | 0.98 | 0.24 | 3.14 | 1.89 | 0.14 | 0.05 | 0.26 | 0.30 | 9.34 | |||||||||||||
2011 | 0.15 | 0.29 | 0.53 | 0.54 | 3.02 | 0.43 | 1.88 | 2.05 | 2.66 | 0.49 | 0.16 | 0.83 | 13.03 | |||||||||||||
2012 | 0.05 | 0.92 | 0.17 | 0.92 | 0.67 | 0.47 | 2.61 | 0.37 | 1.26 | 0.29 | 0.06 | 0.29 | 8.08 | |||||||||||||
2013 | 0.03 | 0.52 | 0.58 | 0.35 | 1.90 | 0.94 | 2.88 | 2.47 | 2.74 | 0.63 | 0.18 | 0.20 | 13.42 | |||||||||||||
2014 | 0.27 | 0.52 | 0.27 | 0.47 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.53 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.23 | 0.26 | 0.65 | 1.24 | 2.15 | 1.86 | 2.39 | 2.52 | 1.13 | 0.64 | 0.34 | 0.25 | 13.73 | |||||||||||||
S.D. | 0.20 | 0.25 | 0.50 | 1.23 | 1.55 | 1.10 | 1.40 | 1.43 | 1.00 | 0.69 | 0.32 | 0.24 | 4.28 | |||||||||||||
SKEW | 0.68 | 1.92 | 1.64 | 3.27 | 1.47 | 0.42 | 1.00 | 0.63 | 1.30 | 1.42 | 1.64 | 2.22 | 0.51 | |||||||||||||
MAX | 0.80 | 1.29 | 2.80 | 8.68 | 8.31 | 4.13 | 7.23 | 6.31 | 4.02 | 2.64 | 1.56 | 1.43 | 26.22 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.05 | 0.07 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 5.51 | |||||||||||||
YRS | 82 | 82 | 81 | 85 | 85 | 87 | 87 | 86 | 86 | 84 | 82 | 82 | 64 |