YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | 0.86 | j | 2.27 | 0.76 | d | 0.36 | d | 0.55 | d | 0.76 | 0.69 | a | 0.70 | 0.70 | b | 1.20 | 0.69 | a | 1.48 | 2.27 | ||||||
1940 | 0.32 | 1.89 | 0.64 | 1.10 | 0.79 | 0.62 | 1.14 | 0.58 | 1.47 | 1.24 | 1.11 | 0.78 | 1.89 | |||||||||||||
1941 | 0.46 | b | 0.56 | 0.91 | 0.88 | 1.12 | 0.69 | 0.10 | 1.01 | 0.89 | 1.91 | 1.30 | 3.14 | 3.14 | ||||||||||||
1942 | 0.92 | 0.57 | a | 0.89 | 0.85 | 0.65 | 1.17 | b | 0.96 | 0.41 | 0.11 | 1.20 | 1.36 | 1.19 | 1.36 | |||||||||||
1943 | 0.57 | 1.31 | 2.16 | 0.68 | 0.60 | 1.77 | 0.32 | 0.47 | 1.38 | 1.53 | 0.31 | 1.71 | 2.16 | |||||||||||||
1944 | 0.98 | 0.90 | 1.05 | 0.69 | 1.28 | 0.58 | 0.11 | 0.47 | 1.12 | 0.52 | 0.75 | 0.79 | 1.28 | |||||||||||||
1945 | 1.71 | 1.06 | 0.82 | 0.91 | 1.10 | 0.24 | 0.28 | 0.36 | 1.30 | 1.11 | 1.08 | 1.55 | 1.71 | |||||||||||||
1946 | 1.71 | 1.21 | 1.12 | 0.69 | 0.66 | 1.08 | 1.59 | 0.16 | 0.98 | b | 0.77 | 3.03 | 1.59 | 3.03 | ||||||||||||
1947 | 1.12 | 0.94 | 0.94 | 0.74 | 0.74 | 0.96 | 0.54 | 0.75 | 0.84 | 1.57 | 1.29 | 1.02 | 1.57 | |||||||||||||
1948 | 0.73 | 1.45 | 1.57 | 1.22 | 1.18 | a | 2.45 | 0.92 | 0.67 | 1.30 | 0.82 | 0.86 | 1.38 | b | 2.45 | |||||||||||
1949 | 0.37 | 2.11 | 1.30 | a | 0.60 | 0.86 | 0.89 | 0.43 | 0.74 | 0.70 | 1.91 | 1.61 | 1.64 | 2.11 | ||||||||||||
1950 | 1.27 | 1.84 | 2.10 | 1.10 | 0.43 | 0.60 | 0.49 | 1.67 | 1.20 | 1.40 | 1.46 | 1.89 | 2.10 | |||||||||||||
1951 | 0.86 | 1.94 | 0.80 | 0.32 | a | 0.90 | 0.22 | 0.09 | 1.31 | 1.60 | 1.26 | 0.77 | 0.78 | 1.94 | ||||||||||||
1952 | 0.63 | 1.25 | 0.66 | 1.04 | 0.70 | 0.63 | 0.50 | 0.54 | 0.33 | 0.66 | 0.28 | 0.58 | 1.25 | |||||||||||||
1953 | 1.70 | 0.66 | 1.10 | 0.83 | 1.25 | 0.99 | 0.77 | 0.67 | 1.04 | 1.51 | 0.89 | 1.89 | 1.89 | |||||||||||||
1954 | 1.76 | 0.82 | 0.93 | 0.68 | a | 0.78 | 1.02 | 0.71 | 1.20 | 0.75 | 0.89 | 0.83 | 1.22 | 1.76 | ||||||||||||
1955 | 0.40 | 1.78 | 0.78 | 0.84 | 0.79 | 1.08 | 0.69 | 0.37 | 0.86 | 1.45 | 1.60 | 2.27 | 2.27 | |||||||||||||
1956 | 1.11 | 0.69 | 0.98 | 0.31 | 0.67 | 0.91 | 1.53 | 0.80 | 0.92 | 1.85 | 1.22 | 1.70 | 1.85 | |||||||||||||
1957 | 0.62 | 0.71 | 2.03 | 0.97 | 0.68 | 0.68 | 0.51 | 0.43 | 1.10 | 1.25 | 0.78 | 0.95 | 2.03 | |||||||||||||
1958 | 1.86 | 0.95 | 0.38 | 1.04 | 0.28 | 0.54 | 0.08 | 0.35 | 0.95 | 1.68 | 1.26 | 1.57 | 1.86 | |||||||||||||
1959 | 1.14 | 0.53 | 0.60 | 0.99 | 0.84 | 1.34 | 0.25 | 0.53 | 2.12 | 1.34 | 2.88 | 1.15 | 2.88 | |||||||||||||
1960 | 0.70 | 1.15 | 0.63 | 0.57 | 1.46 | 0.77 | 0.00 | 0.98 | 0.85 | 1.44 | 1.78 | A | 0.87 | 1.46 | ||||||||||||
1961 | 1.01 | 1.53 | 0.56 | 0.85 | 0.79 | 0.92 | 0.47 | 0.60 | 1.05 | 0.93 | 1.35 | 1.27 | a | 1.53 | ||||||||||||
1962 | 1.18 | 0.63 | 0.70 | 0.70 | 0.76 | 0.74 | 0.36 | 1.03 | 1.27 | 0.88 | 2.00 | 0.85 | 2.00 | |||||||||||||
1963 | 0.45 | 2.33 | 0.86 | 0.72 | 0.40 | 0.76 | 0.71 | 1.25 | 0.31 | 1.75 | 0.96 | 1.72 | 2.33 | |||||||||||||
1964 | 2.80 | 0.75 | 1.42 | 1.11 | 0.87 | 1.29 | 0.68 | 0.67 | 0.95 | 1.33 | 1.85 | 2.17 | 2.80 | |||||||||||||
1965 | 3.46 | 0.85 | 0.22 | 1.50 | 0.57 | 0.37 | 0.80 | 1.10 | 0.50 | 1.06 | 1.22 | 1.31 | 3.46 | |||||||||||||
1966 | 1.11 | 1.02 | 0.64 | 1.29 | 0.70 | 1.75 | 1.36 | 0.25 | 1.16 | 2.06 | 1.30 | 0.88 | 2.06 | |||||||||||||
1967 | 1.45 | 1.37 | 0.94 | 0.79 | 0.64 | 1.22 | 0.08 | 0.02 | 0.86 | 0.95 | 0.77 | 0.88 | 1.45 | |||||||||||||
1968 | 1.05 | 1.91 | 2.52 | 0.55 | 0.85 | 2.55 | 0.55 | 1.41 | 1.88 | 0.76 | 1.47 | 2.01 | 2.55 | |||||||||||||
1969 | 2.32 | 0.63 | 0.63 | 1.11 | 2.55 | 1.52 | 0.18 | 0.22 | 1.25 | 0.89 | 1.59 | 1.33 | 2.55 | |||||||||||||
1970 | 1.03 | 1.22 | 1.03 | 1.12 | 1.42 | 0.81 | 0.85 | 0.59 | 0.98 | 0.94 | 0.73 | 1.40 | 1.42 | |||||||||||||
1971 | 1.98 | 0.88 | 0.87 | 0.75 | 1.45 | 1.39 | 0.60 | 1.00 | 1.82 | 0.91 | 0.95 | 1.13 | 1.98 | |||||||||||||
1972 | 1.37 | 1.15 | 1.30 | 0.73 | 0.75 | 2.00 | 1.32 | 1.03 | 1.19 | 0.60 | 1.49 | 1.19 | 2.00 | |||||||||||||
1973 | 0.98 | 0.76 | 0.80 | 0.85 | 0.68 | 1.36 | 0.14 | 0.24 | 0.71 | 1.34 | 1.42 | 0.85 | 1.42 | |||||||||||||
1974 | 2.02 | 1.37 | 0.98 | 0.91 | 0.75 | 2.26 | 0.66 | 0.47 | 0.45 | 0.76 | 1.43 | 1.91 | 2.26 | |||||||||||||
1975 | 1.88 | 1.29 | 0.68 | 0.64 | 0.95 | 0.93 | 0.34 | 3.39 | 0.21 | 1.20 | 1.10 | 1.52 | 3.39 | |||||||||||||
1976 | 1.10 | 1.07 | 0.45 | 1.04 | 0.42 | 1.88 | 1.08 | 1.39 | 0.95 | 0.79 | 0.56 | 0.99 | 1.88 | |||||||||||||
1977 | 0.35 | 1.08 | 1.19 | 0.82 | 0.82 | 0.83 | 0.47 | 2.20 | 1.25 | 1.00 | 0.72 | 1.29 | 2.20 | |||||||||||||
1978 | 0.84 | 0.56 | 0.51 | 1.59 | 0.52 | 0.77 | 0.42 | 0.66 | 1.76 | 0.70 | 1.40 | 1.52 | 1.76 | |||||||||||||
1979 | 1.15 | 1.38 | 0.65 | 0.85 | 0.38 | 0.35 | 1.37 | 0.43 | 0.92 | 1.32 | 0.64 | 2.36 | 2.36 | |||||||||||||
1980 | 1.17 | 1.01 | 0.65 | 1.08 | 0.99 | 0.86 | 0.80 | 1.15 | 1.47 | 0.42 | 1.48 | 1.45 | 1.48 | |||||||||||||
1981 | 0.68 | 1.78 | 0.92 | 0.96 | 1.10 | 1.00 | 0.64 | 0.86 | 0.87 | 1.76 | 1.31 | 1.38 | 1.78 | |||||||||||||
1982 | 1.15 | d | 1.52 | 0.87 | 0.53 | 0.76 | 0.83 | 0.97 | 0.61 | 0.81 | 1.74 | 1.02 | 9999.00 | z | 1.74 | |||||||||||
1983 | 2.24 | 0.74 | 0.96 | 0.65 | 0.96 | 1.01 | 1.70 | 0.56 | 0.80 | 0.92 | 1.77 | 1.23 | 2.24 | |||||||||||||
1984 | 2.59 | 1.44 | 0.91 | 0.60 | 1.16 | 1.80 | 0.02 | 0.54 | 0.87 | 1.40 | 0.97 | 1.01 | 2.59 | |||||||||||||
1985 | 0.72 | 0.60 | 0.55 | 0.87 | 0.87 | 1.97 | 0.08 | 0.98 | 0.87 | 1.90 | 1.45 | 0.37 | 1.97 | |||||||||||||
1986 | 1.46 | 1.70 | 1.07 | 0.70 | 0.98 | 0.82 | 0.78 | 0.28 | 1.02 | 0.83 | 4.67 | 0.73 | 4.67 | |||||||||||||
1987 | 0.80 | 2.27 | 0.84 | 1.58 | 1.32 | 0.57 | 0.76 | 0.39 | 0.71 | 0.19 | 1.36 | 1.81 | 2.27 | |||||||||||||
1988 | 1.28 | 0.56 | 1.42 | 1.08 | 0.81 | 0.48 | 1.02 | 0.64 | 0.99 | 1.52 | 1.46 | 1.42 | 1.52 | |||||||||||||
1989 | 0.82 | 0.51 | 0.73 | 0.96 | 1.04 | 1.01 | 0.35 | 0.81 | 0.57 | 0.46 | 2.63 | 1.67 | 2.63 | |||||||||||||
1990 | 2.52 | 1.63 | 0.65 | 1.48 | 1.32 | 1.18 | 0.94 | 1.20 | 0.21 | 1.08 | 2.01 | 0.74 | 2.52 | |||||||||||||
1991 | 0.26 | 2.91 | 1.03 | 2.51 | 0.83 | 0.64 | 0.54 | 0.77 | 0.75 | 0.46 | 1.75 | 0.65 | 2.91 | |||||||||||||
1992 | 1.41 | A | 0.79 | a | 0.67 | 0.99 | 0.99 | 1.07 | 1.49 | 1.30 | 1.72 | 0.96 | a | 2.23 | A | 1.27 | 1.72 | |||||||||
1993 | 1.80 | A | 0.17 | 2.17 | 1.04 | A | 1.15 | A | 0.98 | 1.32 | 0.42 | 0.05 | 0.94 | 0.97 | A | 0.99 | 2.17 | |||||||||
1994 | 1.08 | d | 1.05 | d | 1.81 | 0.76 | 0.65 | 1.25 | 0.40 | 0.22 | 0.56 | 2.03 | 1.94 | h | 2.02 | A | 2.03 | |||||||||
1995 | 1.05 | 1.98 | c | 0.80 | A | 0.52 | 0.80 | 0.71 | 0.75 | 1.02 | 0.58 | 1.77 | A | 1.88 | d | 1.79 | d | 1.98 | ||||||||
1996 | 2.44 | A | 2.84 | A | 0.88 | 0.90 | h | 1.56 | A | 0.95 | A | 0.52 | 0.32 | 1.67 | b | 1.70 | A | 1.61 | A | 2.61 | A | 1.67 | ||||
1997 | 2.13 | A | 1.18 | 1.13 | A | 1.56 | a | 1.24 | a | 1.89 | A | 1.26 | 0.63 | A | 0.71 | A | 1.89 | A | 0.95 | 1.45 | d | 1.56 | ||||
1998 | 1.39 | A | 0.40 | 1.32 | 0.45 | 1.78 | 0.42 | 0.56 | 0.12 | 0.27 | 1.10 | 2.80 | A | 1.52 | A | 1.78 | ||||||||||
1999 | 0.70 | 0.74 | 0.80 | 0.41 | 0.72 | 1.10 | 1.28 | 0.51 | b | 0.27 | 0.87 | 2.50 | 1.06 | 2.50 | ||||||||||||
2000 | 0.74 | 1.28 | 0.93 | 9999.00 | z | 0.63 | 0.98 | 0.83 | 0.45 | 0.85 | 0.93 | 0.75 | 0.82 | 1.28 | ||||||||||||
2001 | 0.57 | 0.95 | 0.83 | 1.10 | 1.04 | 1.28 | 0.52 | 1.33 | 0.86 | 0.95 | A | 1.86 | 1.54 | A | 1.86 | |||||||||||
2002 | 1.96 | A | 0.94 | i | 2.36 | f | 1.85 | A | 0.68 | A | 1.48 | 0.47 | 0.34 | 0.51 | 1.06 | 0.35 | 0.98 | A | 2.36 | |||||||
2003 | 1.58 | A | 1.61 | A | 1.21 | A | 1.05 | A | 0.65 | 0.26 | 0.57 | 0.08 | 0.48 | 2.41 | 1.50 | b | 1.26 | A | 2.41 | |||||||
2004 | 1.28 | A | 0.60 | A | 0.66 | h | 0.34 | 1.28 | 0.82 | 0.09 | 1.87 | 1.50 | b | 2.20 | A | 0.97 | g | 0.90 | A | 1.87 | ||||||
2005 | 3.45 | A | 0.70 | A | 2.68 | A | 0.75 | 1.17 | 1.10 | 1.00 | 0.37 | 2.50 | 1.13 | 1.32 | 1.77 | a | 2.50 | |||||||||
2006 | 2.32 | 0.68 | 0.87 | 0.83 | a | 1.99 | 0.83 | 0.36 | 0.19 | 0.98 | 1.01 | 2.75 | 1.35 | 2.75 | ||||||||||||
2007 | 2.44 | 1.85 | 3.08 | 0.48 | 1.36 | 0.75 | 0.83 | 0.93 | 1.15 | 1.46 | A | 1.05 | 2.34 | 3.08 | ||||||||||||
2008 | 1.80 | 2.51 | 1.11 | 0.73 | 0.89 | 0.73 | 0.62 | 0.77 | 1.20 | a | 0.78 | a | 2.45 | 2.31 | 2.51 | |||||||||||
2009 | 2.25 | 0.36 | 1.27 | 1.24 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.62 | 1.53 | 1.48 | 1.36 | A | 1.49 | A | 2.25 | ||||||||
2010 | 1.28 | A | 1.29 | A | 0.62 | A | 1.41 | A | 0.91 | A | 1.89 | h | 0.89 | A | 0.26 | A | 1.07 | i | 1.67 | A | 1.46 | A | 2.07 | A | 1.89 | |
2011 | 3.30 | A | 0.82 | A | 1.48 | A | 2.75 | A | 2.29 | A | 1.62 | A | 0.55 | 0.22 | A | 1.25 | A | 1.22 | A | 2.03 | A | 1.17 | A | 0.55 | ||
2012 | 1.80 | A | 2.06 | A | 1.38 | A | 1.58 | A | 0.97 | 1.20 | A | 0.62 | A | 0.06 | A | 0.33 | A | 2.56 | A | 1.12 | 1.64 | 1.64 | ||||
2013 | 1.41 | 0.48 | 1.07 | 0.03 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.41 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.32 | 1.21 | 1.06 | 0.94 | 0.94 | 1.05 | 0.66 | 0.74 | 0.97 | 1.20 | 1.42 | 1.39 | 2.15 | |||||||||||||
S.D. | 0.72 | 0.62 | 0.54 | 0.44 | 0.41 | 0.51 | 0.41 | 0.54 | 0.48 | 0.48 | 0.73 | 0.51 | 0.66 | |||||||||||||
SKEW | 0.89 | 0.78 | 1.72 | 1.76 | 1.60 | 0.96 | 0.54 | 2.08 | 0.54 | 0.54 | 1.63 | 0.66 | 0.94 | |||||||||||||
MAX | 3.46 | 2.91 | 3.08 | 2.75 | 2.55 | 2.55 | 1.70 | 3.39 | 2.50 | 2.56 | 4.67 | 3.14 | 4.67 | |||||||||||||
MIN | 0.26 | 0.17 | 0.22 | 0.31 | 0.28 | 0.22 | 0.00 | 0.02 | 0.05 | 0.19 | 0.28 | 0.37 | 0.55 | |||||||||||||
NO YRS | 67 | 71 | 71 | 70 | 71 | 72 | 72 | 73 | 73 | 70 | 69 | 67 | 59 |