YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | 0.26 | k | 0.73 | 0.51 | 0.83 | 0.55 | 0.43 | 0.19 | 0.00 | 0.00 | 0.48 | 0.72 | 1.21 | 1.21 | ||||||||||||
1952 | 0.32 | 0.39 | 0.49 | 0.68 | 0.80 | 0.26 | 0.07 | 0.00 | 0.00 | 0.00 | 0.57 | 0.19 | 0.80 | |||||||||||||
1953 | 2.41 | 0.42 | 0.36 | 0.45 | 0.71 | 0.69 | 0.00 | 0.07 | 0.02 | 0.08 | 1.33 | 0.62 | 2.41 | |||||||||||||
1954 | 0.41 | 0.23 | 0.31 | 0.08 | 0.52 | 0.50 | 0.00 | 0.06 | 0.38 | 0.16 | 0.00 | e | 0.63 | 0.63 | ||||||||||||
1955 | 1.12 | 0.11 | 0.45 | 0.84 | 0.51 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.12 | ||||||
1956 | 9999.00 | 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 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | |
1957 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.08 | 0.00 | 0.01 | 0.05 | 0.22 | 1.05 | 0.54 | 1.05 | ||||||||
1958 | 0.53 | 0.60 | 0.40 | 0.97 | A | 1.87 | 1.32 | 0.35 | 0.21 | 0.14 | 0.09 | 0.61 | 0.64 | 1.87 | ||||||||||||
1959 | 0.62 | 0.35 | 0.39 | 0.10 | 0.94 | 0.29 | 0.00 | 1.26 | 0.47 | 0.53 | 0.21 | 0.55 | 1.26 | |||||||||||||
1960 | 0.27 | 0.51 | 0.61 | 0.14 | 0.42 | 0.01 | 1.11 | 0.74 | 0.40 | 0.15 | 0.60 | 0.22 | 1.11 | |||||||||||||
1961 | 0.34 | 0.50 | 0.40 | 0.24 | 0.30 | 0.22 | 0.00 | 0.20 | 0.48 | 0.63 | 0.44 | 0.58 | 0.63 | |||||||||||||
1962 | 0.28 | 0.23 | 0.36 | 0.40 | 1.03 | 0.30 | 0.00 | 0.02 | 0.24 | 0.32 | 0.83 | 0.17 | 1.03 | |||||||||||||
1963 | 0.94 | 0.60 | 0.26 | 0.55 | 0.45 | 0.98 | 0.00 | 1.10 | 0.19 | 0.36 | 0.66 | 0.43 | 1.10 | |||||||||||||
1964 | 0.43 | 0.06 | 0.23 | 0.27 | 0.99 | 0.50 | 0.12 | 0.16 | 0.43 | 0.11 | 0.59 | 1.04 | 1.04 | |||||||||||||
1965 | 0.97 | 0.15 | 0.40 | 0.61 | 0.42 | 0.32 | 0.02 | 0.57 | 0.16 | 0.21 | 0.92 | 0.19 | 0.97 | |||||||||||||
1966 | 0.26 | 0.28 | 0.25 | A | 0.39 | 0.13 | 0.11 | 0.00 | 0.00 | 0.11 | 0.09 | 0.60 | 0.37 | 0.60 | ||||||||||||
1967 | 0.74 | A | 0.20 | 0.02 | c | 0.37 | g | 0.21 | 0.43 | 0.38 | 0.00 | 0.28 | 0.29 | 0.55 | 0.23 | A | 0.55 | |||||||||
1968 | 0.23 | 0.72 | A | 0.46 | A | 0.21 | 0.24 | 0.51 | 0.00 | 1.81 | 0.22 | 0.24 | 0.91 | A | 0.54 | 1.81 | ||||||||||
1969 | 1.25 | 0.27 | 0.15 | 1.58 | 0.16 | 0.65 | 0.02 | 0.00 | 0.23 | 0.08 | 0.38 | 1.01 | A | 1.58 | ||||||||||||
1970 | 1.46 | A | 0.22 | 0.28 | 0.42 | 0.25 | 0.93 | 0.34 | 0.03 | 0.27 | 0.47 | 0.85 | 0.61 | 0.93 | ||||||||||||
1971 | 1.17 | 0.41 | 0.32 | 0.23 | 0.25 | 0.56 | 0.01 | 0.01 | 0.08 | 0.30 | 1.54 | A | 0.65 | 1.17 | ||||||||||||
1972 | 0.63 | 0.42 | 0.74 | 0.30 | 0.27 | 0.23 | 0.16 | 0.09 | 0.35 | 0.45 | 0.40 | 0.50 | A | 0.74 | ||||||||||||
1973 | 0.37 | 0.12 | 0.25 | 1.22 | 0.38 | 0.11 | 0.09 | 0.03 | 0.52 | 0.41 | 0.60 | A | 0.75 | A | 1.22 | |||||||||||
1974 | 0.62 | A | 0.37 | A | 0.34 | 0.30 | 0.15 | 0.44 | 0.21 | 0.19 | 0.00 | 0.63 | 0.47 | 0.87 | 0.87 | |||||||||||
1975 | 0.20 | A | 0.65 | A | 0.31 | 0.33 | 0.63 | 0.43 | 0.49 | 0.16 | 0.00 | 0.97 | A | 0.46 | 0.27 | A | 0.63 | |||||||||
1976 | 1.10 | 0.90 | 0.51 | 0.50 | 0.25 | 1.47 | 0.10 | 0.67 | 1.56 | 0.42 | 0.04 | 0.11 | A | 1.56 | ||||||||||||
1977 | 0.41 | 0.28 | A | 0.31 | 0.43 | 0.55 | 1.00 | 0.09 | 0.50 | 0.48 | 0.22 | 0.40 | 0.71 | 1.00 | ||||||||||||
1978 | 0.59 | A | 0.50 | A | 0.86 | A | 0.69 | 0.20 | 0.30 | 0.74 | 0.10 | 0.51 | 0.00 | 0.24 | 0.36 | 0.74 | ||||||||||
1979 | 1.33 | 0.22 | A | 0.22 | 0.48 | 0.72 | 0.12 | 0.00 | 0.70 | 0.31 | 0.66 | 0.91 | A | 0.47 | A | 1.33 | ||||||||||
1980 | 0.56 | A | 0.65 | A | 0.85 | 0.71 | 1.20 | 0.37 | 0.02 | 0.00 | 1.07 | 0.10 | 0.64 | A | 1.21 | A | 1.20 | |||||||||
1981 | 0.69 | A | 0.90 | A | 1.30 | A | 1.45 | 0.40 | 0.29 | 0.18 | 0.05 | 0.09 | 0.71 | A | 0.62 | 1.57 | A | 1.45 | ||||||||
1982 | 0.44 | a | 1.29 | A | 0.33 | b | 0.35 | c | 0.45 | 0.25 | 0.80 | a | 0.03 | 0.78 | 0.73 | 0.42 | A | 0.61 | A | 0.80 | ||||||
1983 | 0.62 | a | 0.63 | 1.17 | 0.44 | A | 0.60 | 0.22 | a | 0.92 | 0.31 | 0.51 | 0.35 | c | 0.97 | A | 0.82 | A | 1.17 | |||||||
1984 | 0.65 | A | 0.44 | a | 0.66 | A | 1.28 | A | 0.50 | 0.47 | 0.49 | a | 0.40 | 0.79 | 0.51 | 1.01 | 0.30 | A | 1.01 | |||||||
1985 | 0.19 | 0.32 | 0.48 | A | 0.61 | A | 0.69 | 0.26 | 9999.00 | z | 0.02 | 0.44 | 0.37 | A | 0.52 | A | 0.95 | A | 0.69 | |||||||
1986 | 0.25 | 1.25 | A | 0.94 | A | 0.43 | A | 0.48 | A | 0.12 | 0.21 | 0.09 | 0.93 | A | 0.33 | 0.81 | A | 0.14 | 0.33 | |||||||
1987 | 0.48 | A | 0.61 | A | 0.78 | A | 0.13 | 0.28 | 0.41 | 0.23 | 0.30 | 0.00 | 0.02 | 0.43 | A | 0.55 | d | 0.55 | ||||||||
1988 | 0.36 | b | 0.33 | d | 0.58 | A | 0.53 | 0.65 | 0.21 | 0.00 | 0.02 | 0.22 | 0.00 | 0.63 | A | 0.28 | 0.65 | |||||||||
1989 | 0.38 | A | 0.63 | A | 0.62 | A | 0.38 | A | 0.15 | 0.07 | 0.01 | 0.24 | 0.50 | 0.30 | A | 0.34 | A | 0.11 | A | 0.50 | ||||||
1990 | 0.58 | A | 0.45 | A | 0.37 | A | 0.82 | A | 0.76 | 0.10 | 0.17 | 0.12 | 0.52 | 0.18 | A | 0.33 | A | 0.20 | A | 0.76 | ||||||
1991 | 0.79 | A | 0.28 | b | 0.21 | A | 0.35 | A | 0.33 | d | 0.25 | 0.07 | 0.00 | 0.35 | b | 0.87 | A | 0.55 | i | 0.34 | A | 0.55 | ||||
1992 | 0.14 | A | 0.41 | A | 0.07 | A | 0.44 | b | 0.00 | 0.79 | 9999.00 | z | 0.00 | 0.20 | 0.43 | 0.76 | A | 0.29 | g | 0.79 | ||||||
1993 | 0.46 | A | 0.31 | A | 0.78 | A | 0.80 | A | 0.64 | A | 0.77 | 0.36 | 0.13 | 0.00 | 0.24 | 0.22 | d | 0.79 | d | 0.79 | ||||||
1994 | 0.87 | A | 0.27 | A | 0.09 | A | 0.72 | A | 0.56 | A | 0.37 | 0.10 | 0.00 | 0.09 | a | 0.20 | A | 0.74 | A | 0.68 | i | 0.68 | ||||
1995 | 0.58 | A | 0.24 | A | 0.51 | A | 0.50 | b | 0.91 | A | 0.81 | 0.23 | 0.02 | 0.13 | 0.20 | A | 1.15 | A | 1.05 | A | 0.81 | |||||
1996 | 0.52 | A | 0.48 | A | 0.41 | A | 0.40 | b | 0.43 | A | 0.03 | 0.30 | 0.00 | 0.29 | A | 0.31 | A | 0.55 | A | 1.40 | A | 0.40 | ||||
1997 | 1.20 | A | 0.41 | A | 0.35 | A | 0.70 | A | 0.52 | A | 0.59 | 0.96 | 0.17 | 0.25 | a | 0.33 | 0.23 | A | 0.68 | A | 0.96 | |||||
1998 | 1.22 | A | 0.48 | A | 0.53 | A | 0.20 | A | 0.93 | A | 0.53 | 0.17 | 0.01 | 0.67 | A | 0.17 | b | 0.44 | A | 0.92 | A | 0.53 | ||||
1999 | 0.56 | A | 0.67 | A | 0.25 | A | 0.40 | f | 0.68 | A | 0.38 | 0.00 | 0.60 | 0.00 | 0.20 | 0.94 | A | 0.32 | j | 0.60 | ||||||
2000 | 0.36 | A | 0.90 | f | 0.65 | A | 0.48 | d | 0.43 | A | 0.12 | A | 0.07 | b | 0.10 | 0.40 | 0.70 | i | 0.30 | h | 0.30 | A | 0.90 | |||
2001 | 0.44 | k | 0.10 | A | 0.12 | h | 0.50 | f | 0.25 | 0.20 | b | 0.19 | b | 0.00 | 0.68 | 0.20 | k | 0.47 | e | 0.46 | o | 0.68 | ||||
2002 | 0.70 | k | 0.13 | 1.50 | n | 0.56 | g | 0.06 | a | 0.08 | a | 0.08 | a | 0.01 | 0.17 | b | 0.35 | m | 0.75 | f | 1.11 | f | 1.50 | |||
2003 | 0.60 | e | 0.53 | e | 1.00 | c | 0.38 | A | 1.01 | A | 0.11 | A | 0.05 | b | 0.79 | 0.06 | 0.02 | A | 0.46 | A | 1.12 | A | 1.00 | |||
2004 | 1.10 | A | 0.76 | A | 0.64 | d | 0.16 | c | 1.00 | A | 0.18 | 0.57 | a | 0.20 | a | 0.23 | c | 0.70 | A | 0.60 | i | 1.25 | A | 0.64 | ||
2005 | 0.10 | A | 0.26 | A | 0.45 | A | 0.31 | A | 0.81 | A | 0.50 | 0.06 | b | 0.00 | b | 0.04 | b | 0.21 | A | 0.93 | A | 1.13 | A | 0.50 | ||
2006 | 1.40 | A | 1.34 | j | 0.80 | A | 1.26 | A | 0.56 | A | 0.76 | a | 0.13 | A | 0.00 | 0.15 | A | 0.29 | A | 0.93 | A | 0.96 | A | 1.34 | ||
2007 | 0.26 | A | 0.90 | A | 0.27 | f | 0.53 | A | 0.18 | i | 0.60 | A | 0.00 | b | 0.00 | 0.70 | A | 0.75 | A | 0.56 | A | 0.47 | A | 0.27 | ||
2008 | 0.37 | A | 0.35 | A | 0.49 | A | 0.22 | A | 0.62 | A | 0.38 | c | 0.09 | a | 0.00 | 9999.00 | z | 9999.00 | z | 0.79 | 0.50 | b | 0.79 | |||
2009 | 9999.00 | z | 0.20 | 0.39 | b | 0.50 | 0.86 | 0.41 | a | 0.04 | 0.85 | 0.02 | 1.00 | a | 0.50 | a | 0.85 | b | 1.00 | |||||||
2010 | 0.21 | a | 0.60 | A | 0.69 | 0.75 | 2.10 | 0.63 | 0.12 | 0.19 | 0.00 | 0.87 | 0.50 | 1.50 | 2.10 | |||||||||||
2011 | 0.87 | f | 0.08 | c | 0.56 | A | 1.10 | o | 0.64 | h | 0.00 | s | 0.00 | a | 0.00 | 0.10 | 0.00 | c | 0.00 | a | 0.00 | a | 1.10 | |||
2012 | 0.00 | a | 0.00 | a | 9999.00 | z | 0.05 | a | 0.97 | 0.00 | a | 0.82 | a | 0.00 | 0.00 | a | 0.92 | 0.65 | 1.00 | 1.00 | ||||||
2013 | 0.31 | 0.78 | 9999.00 | 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 | 9999.00 | z | 0.78 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.61 | 0.42 | 0.48 | 0.52 | 0.58 | 0.41 | 0.21 | 0.22 | 0.30 | 0.35 | 0.60 | 0.62 | 1.18 | |||||||||||||
S.D. | 0.44 | 0.26 | 0.27 | 0.35 | 0.39 | 0.31 | 0.28 | 0.36 | 0.30 | 0.27 | 0.32 | 0.38 | 0.47 | |||||||||||||
SKEW | 1.83 | 0.92 | 0.95 | 1.34 | 1.63 | 1.26 | 1.74 | 2.34 | 1.69 | 0.80 | 0.51 | 0.54 | 0.92 | |||||||||||||
MAX | 2.41 | 1.29 | 1.30 | 1.58 | 2.10 | 1.47 | 1.11 | 1.81 | 1.56 | 1.00 | 1.54 | 1.57 | 2.41 | |||||||||||||
MIN | 0.00 | 0.00 | 0.02 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | |||||||||||||
NO YRS | 43 | 48 | 49 | 44 | 57 | 58 | 58 | 60 | 58 | 54 | 46 | 48 | 27 |