YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | 9999.00 | z | 9999.00 | z | 0.70 | 0.25 | z | 0.70 | 9999.00 | z | 9999.00 | z | 0.08 | 0.01 | 0.00 | 2.40 | 9999.00 | z | 2.40 | |||||||
1916 | 1.50 | o | 0.20 | 1.01 | y | 0.06 | 0.64 | 9999.00 | z | 9999.00 | z | 0.05 | 0.09 | z | 0.04 | 0.07 | z | 1.20 | 1.50 | |||||||
1917 | 0.70 | z | 1.05 | 1.40 | 0.07 | 0.08 | 0.00 | 9999.00 | z | 0.05 | z | 9999.00 | z | 0.00 | 0.07 | z | 0.05 | z | 1.40 | |||||||
1918 | 0.20 | z | 1.06 | s | 1.50 | 0.05 | z | 0.04 | z | 9999.00 | z | 9999.00 | z | 0.01 | z | 1.00 | z | 1.01 | 0.60 | 0.70 | z | 1.50 | ||||
1919 | 0.50 | 1.50 | 0.60 | 0.05 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.02 | z | 0.80 | z | 1.60 | 1.60 | ||||||
1920 | 0.30 | z | 0.50 | 1.50 | 1.20 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.07 | z | 0.07 | z | 0.50 | 9999.00 | z | 0.60 | s | 1.50 | ||||
1921 | 0.80 | 9999.00 | z | 0.30 | z | 0.20 | z | 9999.00 | z | 0.06 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.20 | z | 0.30 | z | 1.50 | s | 1.50 | ||
1922 | 0.80 | x | 2.00 | r | 0.80 | x | 9999.00 | z | 0.50 | z | 0.03 | z | 9999.00 | z | 0.00 | 0.00 | 0.05 | z | 1.02 | 1.50 | 2.00 | |||||
1923 | 1.50 | y | 9999.00 | z | 0.30 | z | 9999.00 | z | 0.05 | z | 0.08 | z | 9999.00 | z | 0.03 | z | 1.02 | z | 0.30 | z | 0.01 | z | 0.40 | 1.50 | ||
1924 | 1.01 | 0.10 | 0.80 | x | 0.10 | 0.00 | 9999.00 | z | 9999.00 | z | 0.00 | 0.01 | z | 1.01 | 0.20 | 0.05 | w | 1.01 | ||||||||
1925 | 1.04 | z | 1.07 | 0.80 | 0.40 | 1.01 | 0.06 | 0.01 | 0.06 | z | 0.05 | 1.00 | 0.40 | 0.80 | 1.07 | |||||||||||
1926 | 2.00 | 0.80 | 0.08 | 1.10 | 9999.00 | z | 0.00 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.70 | 0.20 | 2.00 | ||||||||
1927 | 0.20 | 1.60 | q | 1.00 | 1.00 | 0.10 | 0.20 | 0.00 | 0.00 | 0.40 | 1.20 | 1.20 | 0.40 | 1.60 | ||||||||||||
1928 | 0.90 | 0.20 | 1.10 | 0.40 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | 0.50 | 1.10 | |||||||||||||
1929 | 9999.00 | z | 9999.00 | z | 0.55 | 0.60 | 0.40 | 0.50 | 0.01 | 9999.00 | z | 0.00 | 0.01 | 0.00 | 2.06 | 2.06 | ||||||||||
1930 | 1.20 | 0.05 | w | 0.10 | 0.50 | 0.30 | 9999.00 | z | 0.00 | 0.01 | 0.42 | y | 0.00 | 0.50 | 0.01 | 1.20 | ||||||||||
1931 | 0.30 | 0.30 | 1.03 | 0.70 | 1.00 | 0.50 | 0.00 | 0.00 | 0.20 | 1.00 | 0.30 | 1.50 | 1.50 | |||||||||||||
1932 | 1.80 | 0.40 | 0.50 | z | 0.50 | 0.60 | 0.30 | 0.20 | 0.20 | 0.20 | 0.40 | 0.20 | 0.80 | 1.80 | ||||||||||||
1933 | 1.00 | 0.10 | 0.30 | 0.30 | 0.15 | 0.00 | 0.10 | 0.00 | 0.01 | 1.20 | 0.00 | 0.95 | 1.20 | |||||||||||||
1934 | 0.40 | 0.40 | 1.10 | 0.50 | 0.30 | 0.60 | 0.00 | 0.20 | 9999.00 | z | 0.54 | 1.45 | 0.50 | 1.45 | ||||||||||||
1935 | 9999.00 | z | 0.95 | 1.15 | 1.46 | 0.65 | 0.00 | 0.00 | 0.00 | 0.00 | 0.82 | 0.80 | 0.60 | 1.46 | ||||||||||||
1936 | 0.44 | 2.35 | 0.90 | 0.12 | 0.13 | 0.81 | 0.00 | 0.00 | 0.05 | 0.10 | 0.20 | 1.50 | 2.35 | |||||||||||||
1937 | 1.35 | 1.60 | 0.80 | 0.60 | 0.10 | 0.10 | 0.30 | 0.00 | 0.00 | 0.90 | 1.80 | 2.60 | 2.60 | |||||||||||||
1938 | 1.60 | 2.01 | 1.40 | 0.50 | 0.30 | 0.40 | 0.65 | 0.00 | 0.10 | 0.45 | 0.30 | 0.10 | 2.01 | |||||||||||||
1939 | 1.30 | 1.20 | 2.00 | 0.20 | 0.26 | 0.05 | 0.03 | 0.10 | 0.20 | 0.60 | 0.30 | 0.60 | 2.00 | |||||||||||||
1940 | 1.50 | 1.75 | 1.75 | 0.25 | 0.50 | 0.47 | 0.05 | z | 0.00 | 0.21 | w | 0.45 | 1.31 | u | 1.65 | 1.75 | ||||||||||
1941 | 1.10 | q | 1.13 | 0.60 | x | 0.85 | u | 1.05 | y | 0.59 | 0.22 | 0.03 | z | 0.03 | 0.67 | z | 0.43 | x | 2.43 | 2.43 | ||||||
1942 | 1.47 | 1.42 | 0.48 | 1.03 | 1.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 1.01 | 2.20 | 2.20 | |||||||||||||
1943 | 0.06 | z | 0.42 | y | 0.93 | r | 0.56 | 0.15 | 0.50 | 0.10 | 0.00 | 0.00 | 0.51 | y | 0.37 | 0.20 | 0.93 | |||||||||
1944 | 0.86 | s | 1.05 | 2.11 | z | 0.63 | 0.19 | 0.18 | 1.65 | 0.00 | 0.00 | 0.80 | 1.90 | 0.69 | x | 2.11 | ||||||||||
1945 | 0.30 | 1.15 | 0.40 | 0.03 | 0.42 | 0.70 | 0.43 | 0.02 | 0.00 | 2.00 | 0.92 | 1.90 | 2.00 | |||||||||||||
1946 | 0.16 | 0.55 | 0.87 | 0.08 | 0.04 | 0.00 | 0.23 | 0.00 | 0.01 | 0.35 | 2.40 | 0.98 | 2.40 | |||||||||||||
1947 | 0.98 | 1.91 | 0.75 | 0.15 | 0.00 | 0.35 | 0.00 | 0.29 | 0.00 | 0.98 | 0.20 | 0.14 | 1.91 | |||||||||||||
1948 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | 0.00 | 0.05 | 0.50 | 0.84 | 0.96 | 0.96 | |||||||
1949 | 0.20 | 9999.00 | z | 1.10 | 0.85 | 1.00 | 0.61 | 0.00 | 0.42 | 0.26 | 0.12 | 1.29 | 0.30 | 1.29 | ||||||||||||
1950 | 0.73 | 1.29 | 2.50 | 1.02 | 0.70 | 0.16 | 0.25 | 0.18 | 0.10 | 1.10 | 1.94 | 1.47 | 2.50 | |||||||||||||
1951 | 1.04 | 0.40 | 0.15 | 1.01 | 0.40 | 0.00 | 0.00 | 0.11 | 0.00 | d | 1.90 | b | 1.23 | 2.08 | 2.08 | |||||||||||
1952 | 2.30 | 1.12 | 1.40 | 0.04 | 0.17 | 0.13 | 0.67 | 0.00 | 0.21 | 0.11 | 1.15 | 1.61 | 2.30 | |||||||||||||
1953 | 1.50 | 0.10 | a | 1.04 | 0.40 | 0.50 | 0.26 | 0.55 | 0.31 | 0.00 | 0.35 | 0.41 | 0.27 | 1.50 | ||||||||||||
1954 | 1.70 | 1.32 | 0.95 | 0.48 | 0.00 | 0.41 | 0.00 | 0.05 | 0.10 | 0.00 | 1.10 | 1.30 | 1.70 | |||||||||||||
1955 | 0.55 | 0.71 | 0.30 | 0.50 | 1.13 | 0.36 | 0.10 | 0.00 | 0.39 | 0.14 | 0.45 | 4.18 | 4.18 | |||||||||||||
1956 | 1.15 | 0.93 | 0.13 | 0.41 | 0.60 | 0.00 | 0.48 | 0.00 | 0.36 | 1.50 | 0.00 | 0.29 | 1.50 | |||||||||||||
1957 | 1.46 | 1.32 | 0.62 | 0.34 | 1.01 | 0.00 | a | 0.00 | 0.00 | 0.50 | 0.69 | 0.63 | 1.46 | 1.46 | ||||||||||||
1958 | 0.77 | 1.26 | 1.27 | 1.10 | 0.26 | 0.56 | 0.52 | 0.21 | 9999.00 | z | 0.25 | 0.38 | 1.10 | 1.27 | ||||||||||||
1959 | 1.13 | c | 1.65 | 0.54 | 0.40 | 0.92 | 0.00 | 0.23 | 0.22 | 0.52 | 0.00 | 0.00 | 0.76 | 1.65 | ||||||||||||
1960 | 0.87 | c | 1.64 | e | 0.91 | 0.26 | 0.61 | 0.00 | d | 0.24 | 0.07 | 0.00 | 0.27 | 0.69 | f | 1.10 | 1.64 | |||||||||
1961 | 0.57 | 0.65 | 0.48 | 0.44 | 0.22 | 1.12 | b | 0.00 | 0.27 | d | 0.14 | 0.25 | f | 1.36 | 0.55 | 1.36 | ||||||||||
1962 | 0.60 | 2.21 | 0.85 | 0.14 | 0.82 | 0.04 | 0.04 | 0.19 | 0.06 | 3.89 | 0.67 | 0.58 | 3.89 | |||||||||||||
1963 | 1.76 | 1.26 | 0.70 | 1.40 | 0.49 | 0.34 | 0.00 | 0.07 | 0.46 | 0.46 | 1.06 | 0.36 | 1.76 | |||||||||||||
1964 | 1.55 | 0.08 | 0.51 | 1.33 | 0.55 | 0.43 | 0.00 | 9999.00 | z | 0.00 | 0.23 | 1.10 | 2.32 | 2.32 | ||||||||||||
1965 | 1.44 | 0.52 | 0.95 | 0.75 | 0.22 | 0.78 | 1.10 | 0.75 | 0.30 | 0.08 | 1.92 | 0.95 | 1.92 | |||||||||||||
1966 | 0.33 | 0.45 | 0.31 | 0.48 | 0.96 | 0.09 | 0.00 | 0.39 | 0.06 | 0.00 | 1.16 | 1.62 | 1.62 | |||||||||||||
1967 | 3.57 | 0.10 | 1.59 | 0.66 | 0.68 | 0.95 | 0.08 | 0.14 | 0.33 | 0.77 | 0.40 | 0.85 | 3.57 | |||||||||||||
1968 | 9999.00 | z | 0.49 | 0.76 | 0.11 | 0.10 | 0.15 | 0.00 | 0.12 | 0.00 | 0.70 | 1.12 | 1.00 | 1.12 | ||||||||||||
1969 | 2.60 | 1.10 | 0.43 | 0.40 | 0.06 | 0.52 | 0.00 | 0.00 | 0.01 | 0.67 | 0.60 | 1.50 | 2.60 | |||||||||||||
1970 | 2.30 | 1.45 | 0.67 | 0.43 | 0.27 | 0.47 | 0.00 | 0.55 | 0.00 | 0.00 | f | 1.10 | 1.70 | 2.30 | ||||||||||||
1971 | 1.31 | 0.08 | 2.14 | e | 0.31 | 0.56 | 9999.00 | z | 0.69 | 0.16 | 0.76 | 0.06 | 0.53 | 0.95 | r | 2.14 | ||||||||||
1972 | 0.58 | 0.28 | 0.36 | 0.72 | 1.11 | 0.30 | 0.00 | 0.30 | 0.88 | 0.18 | 0.47 | 0.48 | z | 1.11 | ||||||||||||
1973 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.07 | 0.60 | 0.00 | 0.28 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.60 | |||||
1974 | 9999.00 | z | 0.70 | A | 4.55 | A | 0.35 | 0.00 | 0.14 | 1.20 | 0.31 | 0.00 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.20 | |||||||
1975 | 0.65 | 1.37 | 1.55 | 0.65 | A | 0.51 | 0.15 | 0.00 | 0.64 | 0.45 | 0.87 | 0.50 | 0.29 | 1.55 | ||||||||||||
1976 | 0.50 | 1.13 | 0.43 | 0.18 | 0.04 | 0.36 | 0.07 | 0.60 | 1.10 | 0.25 | 0.53 | 0.09 | 1.13 | |||||||||||||
1977 | 0.68 | 1.10 | 0.60 | A | 0.09 | 0.41 | 0.42 | 0.11 | 0.07 | 0.05 | 0.21 | 1.76 | 0.42 | s | 1.76 | |||||||||||
1978 | 6.00 | A | 1.25 | 1.35 | 0.52 | 0.37 | 0.34 | 0.20 | 0.00 | 0.45 | 0.05 | 0.46 | 0.99 | A | 1.35 | |||||||||||
1979 | 0.48 | 1.41 | a | 0.95 | 0.50 | 0.55 | 0.10 | 0.32 | 0.17 | 0.03 | 0.64 | 0.11 | 1.47 | 1.47 | ||||||||||||
1980 | 2.20 | 1.18 | 0.50 | 0.53 | 0.67 | 0.35 | 0.49 | 0.03 | 0.04 | 0.53 | 0.65 | 1.00 | 2.20 | |||||||||||||
1981 | 1.54 | 0.50 | 0.90 | 0.76 | 9999.00 | z | 0.00 | 0.00 | 0.00 | 9999.00 | z | 9999.00 | z | 2.00 | i | 1.19 | 2.00 | |||||||||
1982 | 0.90 | e | 1.04 | 1.50 | b | 0.66 | 0.24 | b | 0.30 | 0.00 | 0.13 | 0.96 | 1.94 | j | 1.50 | 2.50 | 2.50 | |||||||||
1983 | 2.50 | A | 1.70 | 1.47 | 0.77 | A | 0.11 | 0.22 | 0.00 | 0.22 | a | 0.81 | 0.95 | 2.30 | A | 1.52 | 1.70 | |||||||||
1984 | 0.23 | 9999.00 | z | 0.00 | q | 0.47 | 0.23 | 0.57 | A | 0.33 | 0.18 | 0.44 | 1.04 | 1.10 | a | 0.54 | 1.10 | |||||||||
1985 | 0.20 | 2.34 | 1.29 | 0.15 | 0.02 | 0.14 | 1.48 | 0.00 | 0.56 | 0.33 | 1.30 | 0.33 | 2.34 | |||||||||||||
1986 | 0.54 | 2.25 | 0.90 | 0.80 | 0.18 | 0.00 | 0.08 | 0.02 | 0.70 | 0.00 | 0.27 | 0.04 | 2.25 | |||||||||||||
1987 | 1.38 | 1.24 | A | 0.64 | 0.18 | 0.16 | 0.19 | 0.05 | 0.00 | 0.00 | 0.23 | 0.34 | 0.50 | 1.38 | ||||||||||||
1988 | 0.90 | 0.03 | 0.22 | 0.36 | 0.32 | 0.93 | 0.00 | 0.00 | 0.41 | 0.07 | 2.46 | 0.99 | 2.46 | |||||||||||||
1989 | 0.90 | 0.63 | a | 1.47 | 0.15 | 0.40 | 0.54 | 0.00 | 0.62 | 0.75 | 1.00 | 1.75 | 0.00 | 1.75 | ||||||||||||
1990 | 0.80 | 1.41 | a | 0.34 | 0.53 | 0.75 | 0.20 | 0.17 | d | 2.02 | 0.30 | 0.15 | a | 0.52 | 0.33 | 2.02 | ||||||||||
1991 | 0.08 | 0.47 | 1.66 | 0.39 | 0.44 | A | 0.22 | 0.43 | A | 0.37 | 0.28 | 0.80 | 0.73 | 0.40 | 1.66 | |||||||||||
1992 | 0.20 | 1.25 | a | 0.35 | a | 0.38 | a | 0.16 | 0.44 | 1.44 | 1.80 | 0.00 | 0.97 | A | 0.23 | 3.60 | a | 3.60 | ||||||||
1993 | 1.92 | 2.07 | 0.86 | 0.83 | 0.54 | 0.84 | 0.00 | 0.35 | 0.02 | 0.81 | 1.39 | 1.42 | 2.07 | |||||||||||||
1994 | 0.23 | 0.93 | 0.80 | 0.20 | 0.55 | 0.08 | 0.00 | 0.00 | 0.52 | 0.11 | 1.35 | 2.45 | A | 1.35 | ||||||||||||
1995 | 1.98 | 0.65 | 3.61 | 1.14 | A | 0.92 | 1.14 | A | 0.29 | 0.00 | 0.00 | 0.00 | 0.18 | 1.85 | 3.61 | |||||||||||
1996 | 1.31 | a | 1.35 | 1.28 | 1.21 | 2.40 | 0.20 | 0.08 | 0.04 | 0.34 | 0.27 | 0.74 | 1.76 | 2.40 | ||||||||||||
1997 | 2.67 | 0.16 | 0.61 | 0.74 | 0.25 | 0.55 | 0.04 | 0.00 | 0.38 | 0.75 | 0.95 | 2.15 | 2.67 | |||||||||||||
1998 | 1.29 | 1.53 | 1.51 | 0.60 | 0.75 | 0.40 | 0.30 | 0.00 | 1.02 | 0.30 | 1.44 | A | 1.27 | 1.53 | ||||||||||||
1999 | 1.83 | 2.55 | 0.63 | 0.45 | 0.00 | 0.08 | 9999.00 | z | 0.39 | a | 0.14 | 1.03 | 0.43 | 0.20 | 2.55 | |||||||||||
2000 | 1.86 | 1.66 | 0.40 | 0.41 | 0.26 | 0.07 | 0.00 | 0.00 | 0.38 | 1.00 | 0.66 | 0.62 | 1.86 | |||||||||||||
2001 | 0.23 | 0.47 | 0.56 | 0.63 | 0.00 | 0.02 | 1.86 | 0.00 | 0.15 | 0.33 | 0.80 | 1.25 | 1.86 | |||||||||||||
2002 | 0.40 | 0.35 | 0.87 | 0.43 | 0.37 | 0.10 | 0.15 | 0.00 | 0.00 | 0.00 | 1.70 | 1.85 | 1.85 | |||||||||||||
2003 | 0.46 | 0.52 | 0.86 | 1.42 | 0.27 | 0.05 | 0.08 | 0.30 | 0.00 | 0.00 | 0.85 | 1.55 | 1.55 | |||||||||||||
2004 | 1.04 | 1.92 | 0.40 | 0.04 | 0.19 | 0.21 | 0.00 | 0.00 | 0.22 | 1.31 | 0.79 | 1.35 | 1.92 | |||||||||||||
2005 | 1.60 | b | 0.71 | a | 1.10 | 0.32 | 0.58 | 0.52 | 0.00 | 0.00 | 0.56 | 0.12 | 0.18 | 9999.00 | z | 1.60 | ||||||||||
2006 | 1.20 | 1.34 | 0.58 | 1.35 | a | 0.09 | 0.15 | 0.00 | 0.00 | 0.00 | 0.12 | 0.57 | 0.87 | e | 1.35 | |||||||||||
2007 | 0.35 | 1.50 | 0.90 | 0.27 | 0.26 | 0.50 | 0.00 | 0.00 | 0.17 | 0.56 | 0.56 | 0.53 | 1.50 | |||||||||||||
2008 | 2.53 | a | 0.91 | 0.22 | b | 0.08 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 1.58 | 1.34 | 2.53 | |||||||||||
2009 | 0.30 | 1.08 | 1.81 | 0.09 | 0.95 | 0.43 | 0.03 | 0.23 | 0.00 | 1.50 | 0.72 | b | 0.86 | a | 1.81 | |||||||||||
2010 | 1.22 | 0.96 | 1.18 | 0.70 | 0.71 | a | 0.15 | 0.44 | 0.05 | 0.00 | 1.53 | 0.80 | 1.85 | b | 1.85 | |||||||||||
2011 | 0.55 | z | 1.59 | u | 2.02 | m | 0.43 | r | 0.39 | v | 1.11 | y | 9999.00 | z | 0.00 | z | 0.11 | z | 0.25 | v | 0.96 | w | 0.00 | e | 2.02 | |
2012 | 1.67 | y | 0.55 | v | 1.68 | p | 0.97 | v | 0.54 | h | 0.70 | o | 0.19 | 0.00 | 0.00 | 0.99 | 1.75 | a | 1.38 | 1.75 | ||||||
2013 | 0.40 | 0.21 | 0.32 | 0.04 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | z | 0.40 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.14 | 1.02 | 0.97 | 0.51 | 0.45 | 0.30 | 0.23 | 0.16 | 0.22 | 0.58 | 0.89 | 1.13 | 2.06 | |||||||||||||
S.D. | 0.90 | 0.62 | 0.70 | 0.36 | 0.39 | 0.28 | 0.39 | 0.32 | 0.28 | 0.60 | 0.62 | 0.81 | 0.70 | |||||||||||||
SKEW | 2.29 | 0.31 | 2.33 | 0.83 | 1.81 | 0.99 | 2.49 | 3.92 | 1.35 | 2.30 | 0.71 | 1.00 | 1.31 | |||||||||||||
MAX | 6.00 | 2.55 | 4.55 | 1.46 | 2.40 | 1.14 | 1.86 | 2.02 | 1.10 | 3.89 | 2.46 | 4.18 | 4.18 | |||||||||||||
MIN | 0.08 | 0.03 | 0.08 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.10 | |||||||||||||
NO YRS | 79 | 84 | 85 | 88 | 86 | 84 | 84 | 85 | 82 | 84 | 85 | 85 | 52 |