YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1952 | 0.90 | 1.18 | 0.51 | 0.30 | 0.66 | 1.00 | 0.23 | 0.00 | 0.41 | 0.05 | 0.36 | 1.61 | 1.61 | |||||||||||||
1953 | 2.01 | 1.12 | 0.47 | 1.48 | 0.96 | 0.83 | 0.00 | 0.68 | 0.14 | 0.36 | 0.38 | 1.28 | 2.01 | |||||||||||||
1954 | 1.44 | 0.80 | 0.46 | 1.12 | 0.44 | 1.18 | 0.26 | 2.26 | 0.21 | 0.44 | 0.90 | 1.00 | 2.26 | |||||||||||||
1955 | 0.49 | 1.35 | 0.85 | 0.63 | 0.68 | 1.36 | 0.63 | 0.03 | 0.80 | 1.32 | 1.35 | 1.40 | 1.40 | |||||||||||||
1956 | 1.05 | 0.65 | 0.89 | 0.32 | 1.02 | 0.77 | 0.45 | 0.87 | 0.00 | 0.59 | 0.88 | 0.95 | 1.05 | |||||||||||||
1957 | 0.81 | 0.99 | 1.09 | 0.79 | 1.54 | 0.58 | 0.18 | 0.64 | 0.24 | 0.94 | 1.24 | 1.05 | 1.54 | |||||||||||||
1958 | 0.86 | 0.70 | 0.39 | 1.21 | 0.68 | 1.05 | 0.59 | 0.28 | 0.94 | 1.45 | 1.37 | 0.99 | 1.45 | |||||||||||||
1959 | 1.30 | 0.68 | 0.79 | 0.61 | 0.78 | 0.82 | 0.04 | 0.47 | 1.20 | 1.15 | 1.97 | 0.95 | 1.97 | |||||||||||||
1960 | 0.83 | 1.00 | 1.02 | 0.73 | 0.59 | 0.70 | 0.12 | 0.77 | 0.74 | 1.01 | A | 1.26 | 1.31 | 1.31 | ||||||||||||
1961 | 1.15 | 1.03 | 0.60 | 1.92 | 0.59 | 0.49 | 0.24 | 0.43 | 1.12 | 1.00 | 2.32 | 0.71 | 2.32 | |||||||||||||
1962 | 0.90 | 0.34 | 1.24 | 1.18 | 0.52 | 0.71 | 0.13 | 0.37 | 0.62 | 1.09 | 0.67 | 0.66 | 1.24 | |||||||||||||
1963 | 0.43 | 1.05 | 0.54 | 0.64 | 0.32 | 0.52 | 0.26 | 0.31 | 0.76 | 0.68 | 1.27 | 1.10 | 1.27 | |||||||||||||
1964 | 1.65 | 0.38 | 1.11 | 0.86 | 0.40 | 0.80 | 1.47 | 0.78 | 0.84 | 0.78 | 2.07 | 1.99 | 2.07 | |||||||||||||
1965 | 1.71 | 0.97 | 0.42 | 1.64 | 0.26 | 1.60 | 0.24 | 0.57 | 0.53 | 0.41 | 0.40 | 0.30 | 1.71 | |||||||||||||
1966 | 1.18 | 0.53 | 0.95 | 0.46 | 0.33 | 0.33 | 0.09 | 0.22 | 0.14 | 0.96 | 0.96 | 0.94 | 1.18 | |||||||||||||
1967 | 0.92 | 0.70 | 0.63 | 0.62 | 1.25 | 0.64 | 0.00 | 0.00 | 0.43 | 1.37 | 0.50 | 1.16 | 1.37 | |||||||||||||
1968 | 0.38 | 2.44 | 0.75 | 0.40 | 0.47 | 0.46 | 0.57 | 1.19 | 0.96 | 1.35 | 1.04 | 1.62 | 2.44 | |||||||||||||
1969 | 1.11 | 1.37 | 0.60 | 0.82 | 0.89 | 0.63 | 0.03 | 0.05 | 0.49 | 0.57 | 0.70 | 0.55 | 1.37 | |||||||||||||
1970 | 1.24 | 0.97 | 0.79 | 0.84 | 0.67 | 1.68 | 0.48 | 0.06 | 1.16 | 0.59 | 0.91 | 0.83 | 1.68 | |||||||||||||
1971 | 1.40 | 1.35 | 0.56 | 1.28 | 0.88 | 1.10 | 0.50 | 0.37 | 0.77 | 0.89 | 0.91 | 1.60 | 1.60 | |||||||||||||
1972 | 1.22 | 0.72 | 0.80 | 0.51 | 1.03 | A | 0.29 | 0.35 | 0.84 | 0.51 | 1.28 | 0.75 | 1.45 | 1.45 | ||||||||||||
1973 | 0.92 | 0.27 | 0.54 | 0.50 | 0.83 | 0.34 | 0.03 | 0.07 | 0.59 | 0.60 | 1.08 | 0.73 | 1.08 | |||||||||||||
1974 | 0.98 | 1.34 | 1.06 | 0.63 | 0.54 | 1.27 | 0.27 | 0.28 | 0.28 | 0.01 | 0.61 | a | 0.86 | 1.34 | ||||||||||||
1975 | 1.42 | 0.47 | 0.65 | 0.57 | 0.33 | 0.38 | 0.34 | 1.60 | 0.09 | 0.61 | 0.60 | 2.00 | 2.00 | |||||||||||||
1976 | 1.90 | 0.81 | 0.39 | 0.39 | 0.65 | 0.45 | 0.42 | 0.74 | 0.50 | 0.40 | 0.55 | 0.65 | 1.90 | |||||||||||||
1977 | 0.55 | 0.52 | 1.32 | 0.15 | 1.13 | 0.30 | 0.56 | 0.64 | 0.71 | 0.52 | 1.80 | 1.80 | 1.80 | |||||||||||||
1978 | 0.47 | 0.61 | 0.80 | 0.80 | 0.46 | 0.42 | 0.50 | 0.85 | 0.35 | 0.17 | 0.71 | 0.78 | 0.85 | |||||||||||||
1979 | 0.67 | 1.42 | 0.49 | 0.42 | 1.14 | 0.56 | 0.44 | 0.57 | 0.13 | 1.07 | 0.72 | 0.72 | 1.42 | |||||||||||||
1980 | 1.07 | 0.91 | 0.47 | 0.40 | 1.98 | 0.84 | 0.47 | 0.48 | 0.42 | 0.33 | 0.75 | 1.84 | 1.98 | |||||||||||||
1981 | 1.38 | 1.26 | 0.80 | 0.50 | 0.46 | 0.76 | 1.19 | 0.07 | 0.62 | 0.63 | 0.94 | 0.80 | 1.38 | |||||||||||||
1982 | 1.55 | 0.67 | 0.72 | 0.55 | 0.48 | 0.75 | 0.43 | 0.34 | 0.74 | 0.52 | 0.93 | 0.85 | 1.55 | |||||||||||||
1983 | 1.45 | 0.73 | 0.97 | 0.40 | 1.00 | 0.95 | 1.08 | 0.52 | 0.96 | 0.59 | 1.17 | 1.12 | 1.45 | |||||||||||||
1984 | 1.08 | 0.37 | 0.60 | 0.28 | 0.42 | 0.62 | 0.03 | 0.47 | 1.36 | 1.36 | 0.65 | 1.20 | a | 1.36 | ||||||||||||
1985 | 0.38 | 0.53 | 0.61 | 0.53 | 2.00 | 1.45 | 0.04 | 0.85 | 1.06 | 0.65 | 0.78 | 0.51 | 2.00 | |||||||||||||
1986 | 0.74 | 2.05 | 0.73 | 0.38 | 0.75 | 0.23 | 0.52 | 0.43 | 0.80 | 0.40 | 0.49 | 0.42 | 2.05 | |||||||||||||
1987 | 0.54 | 1.34 | 0.69 | 0.61 | A | 0.84 | a | 0.37 | A | 1.03 | 0.38 | 0.04 | 0.02 | 0.61 | 1.04 | a | 1.34 | |||||||||
1988 | 0.94 | a | 0.70 | 0.77 | a | 1.23 | 0.63 | 0.43 | 0.79 | 0.22 | 0.45 | 0.70 | 0.70 | d | 0.57 | 1.23 | ||||||||||
1989 | 0.92 | 0.36 | 0.62 | 0.47 | 0.80 | a | 0.76 | A | 0.35 | a | 0.78 | 0.80 | 0.60 | 0.94 | d | 0.83 | 0.94 | |||||||||
1990 | 1.00 | 2.15 | A | 1.00 | 0.75 | A | 1.79 | 1.16 | 0.33 | 0.60 | 0.02 | 1.51 | 1.57 | A | 0.93 | c | 1.79 | |||||||||
1991 | 1.55 | A | 0.68 | 0.54 | h | 1.26 | A | 0.68 | 0.87 | 0.18 | 0.33 | 0.60 | 0.31 | 1.30 | A | 0.93 | c | 0.93 | ||||||||
1992 | 0.70 | a | 0.82 | 0.15 | 1.04 | A | 0.68 | A | 1.15 | 0.98 | A | 0.55 | A | 1.10 | 0.36 | 1.00 | e | 0.65 | 1.15 | |||||||
1993 | 0.55 | b | 0.15 | 1.02 | 0.57 | 1.06 | d | 0.51 | 0.67 | 0.27 | 0.13 | 0.49 | 0.61 | 0.78 | 1.06 | |||||||||||
1994 | 0.56 | 0.92 | a | 0.33 | 0.73 | A | 0.76 | A | 0.33 | 0.24 | 0.12 | 0.38 | 1.12 | 2.10 | e | 1.32 | 2.10 | |||||||||
1995 | 0.60 | 1.26 | 0.53 | a | 0.72 | b | 0.50 | a | 0.73 | 1.11 | 0.86 | 0.74 | A | 1.10 | a | 1.08 | 1.11 | 1.26 | ||||||||
1996 | 0.82 | 2.00 | 0.42 | 2.00 | 0.65 | A | 0.42 | A | 0.11 | 0.40 | 0.90 | A | 1.03 | A | 0.88 | a | 2.88 | A | 2.00 | |||||||
1997 | 2.05 | 1.05 | a | 1.14 | 1.55 | A | 0.35 | A | 0.56 | c | 2.02 | 0.75 | 1.00 | b | 0.90 | a | 0.85 | a | 0.80 | 2.05 | ||||||
1998 | 0.97 | 0.34 | b | 0.58 | 0.73 | A | 2.00 | A | 0.65 | 1.15 | 0.17 | 0.72 | f | 0.43 | A | 1.32 | A | 0.91 | b | 1.15 | ||||||
1999 | 1.00 | 1.42 | 0.53 | d | 0.18 | 0.59 | d | 0.72 | a | 0.10 | 0.49 | b | 0.21 | a | 0.94 | e | 3.32 | j | 1.04 | 3.32 | ||||||
2000 | 0.95 | b | 1.12 | 0.63 | 1.33 | k | 1.02 | h | 0.75 | b | 0.40 | 0.01 | 0.40 | 1.42 | e | 1.00 | A | 0.84 | e | 1.42 | ||||||
2001 | 0.45 | 0.74 | 0.34 | c | 0.59 | d | 0.90 | 0.95 | d | 0.42 | 0.05 | 0.10 | 1.00 | b | 2.92 | j | 2.15 | r | 2.92 | |||||||
2002 | 2.65 | m | 1.43 | o | 1.62 | x | 1.71 | h | 0.71 | n | 0.99 | g | 0.28 | 0.37 | 0.22 | 0.44 | b | 1.53 | a | 1.71 | 2.65 | |||||
2003 | 2.08 | e | 2.45 | g | 3.73 | o | 0.66 | 0.68 | 0.41 | a | 0.28 | 0.17 | A | 1.09 | 1.10 | A | 3.38 | A | 1.72 | A | 3.73 | |||||
2004 | 3.89 | A | 0.87 | A | 0.82 | A | 0.71 | e | 1.38 | 0.48 | A | 0.34 | 1.21 | b | 0.42 | 1.44 | A | 3.52 | A | 1.60 | A | 1.38 | ||||
2005 | 2.65 | A | 0.50 | 3.55 | A | 1.31 | A | 1.32 | 0.57 | a | 0.31 | A | 0.12 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 4.76 | A | 1.32 | ||||
2006 | 2.12 | A | 1.36 | A | 1.12 | A | 9999.00 | z | 1.26 | 1.75 | A | 0.02 | 0.24 | a | 0.90 | 0.70 | 2.73 | 1.90 | A | 2.73 | ||||||
2007 | 2.61 | A | 1.82 | 0.41 | 1.74 | 0.47 | 1.09 | 0.00 | 0.23 | 0.22 | 0.89 | b | 2.08 | 2.69 | a | 2.69 | ||||||||||
2008 | 4.00 | 3.30 | A | 0.88 | 0.91 | 0.70 | 0.91 | 0.11 | 0.82 | 1.33 | 0.44 | 2.33 | 3.99 | e | 4.00 | |||||||||||
2009 | 4.86 | A | 1.24 | 1.22 | 1.41 | 0.69 | 1.43 | 0.40 | 0.70 | 0.11 | 9999.00 | z | 9999.00 | z | 2.16 | 2.16 | ||||||||||
2010 | 0.88 | 1.04 | 1.17 | A | 1.48 | 1.71 | 2.39 | 0.14 | 0.00 | 0.86 | 1.20 | 1.21 | A | 3.05 | 3.05 | |||||||||||
2011 | 4.91 | w | 2.28 | A | 0.48 | d | 2.12 | 1.05 | 0.65 | a | 0.37 | 0.03 | 0.22 | 0.67 | 1.77 | y | 0.98 | c | 4.91 | |||||||
2012 | 0.00 | x | 1.05 | c | 0.30 | g | 0.67 | e | 0.53 | a | 1.25 | 0.68 | 0.00 | 0.00 | 2.52 | 0.33 | w | 2.87 | 2.87 | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.10 | 0.99 | 0.71 | 0.80 | 0.84 | 0.79 | 0.43 | 0.47 | 0.57 | 0.80 | 1.08 | 1.22 | 1.61 | |||||||||||||
S.D. | 0.60 | 0.52 | 0.27 | 0.47 | 0.44 | 0.41 | 0.40 | 0.41 | 0.37 | 0.45 | 0.57 | 0.70 | 0.39 | |||||||||||||
SKEW | 2.31 | 0.93 | 0.40 | 1.18 | 1.17 | 1.35 | 1.69 | 1.68 | 0.22 | 0.86 | 1.18 | 1.86 | 0.31 | |||||||||||||
MAX | 4.00 | 2.44 | 1.32 | 2.12 | 2.00 | 2.39 | 2.02 | 2.26 | 1.36 | 2.52 | 2.73 | 3.99 | 2.44 | |||||||||||||
MIN | 0.38 | 0.15 | 0.15 | 0.15 | 0.26 | 0.23 | 0.00 | 0.00 | 0.00 | 0.01 | 0.36 | 0.30 | 0.85 | |||||||||||||
NO YRS | 53 | 56 | 54 | 55 | 57 | 58 | 60 | 61 | 59 | 59 | 49 | 55 | 35 |