YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.15 | 0.38 | 0.32 | 0.60 | 0.22 | 0.12 | 0.85 | 0.80 | 0.50 | 0.85 | ||||||||||
1954 | 0.18 | 0.14 | 0.30 | 0.03 | 0.85 | 0.71 | 0.44 | 0.19 | 0.35 | 0.17 | 0.10 | 0.30 | 0.85 | |||||||||||||
1955 | 0.02 | a | 0.19 | 0.00 | 0.18 | 0.83 | 0.04 | 0.15 | 0.74 | 0.23 | 0.00 | 0.05 | 0.16 | 0.83 | ||||||||||||
1956 | 0.25 | 0.20 | 0.00 | 0.00 | 0.18 | 0.12 | 0.10 | 0.40 | 0.00 | 0.12 | 0.00 | 0.01 | 0.40 | |||||||||||||
1957 | 0.16 | 0.35 | 0.21 | 0.14 | 0.67 | 0.00 | 0.67 | A | 1.22 | 0.00 | 1.53 | 0.78 | 0.00 | 1.53 | ||||||||||||
1958 | 0.20 | 0.16 | 0.32 | 0.55 | 0.38 | 0.05 | 0.63 | 0.29 | 1.98 | 0.33 | 0.23 | 0.12 | 1.98 | |||||||||||||
1959 | 0.00 | 0.16 | 0.61 | a | 0.26 | 0.40 | 0.49 | 0.57 | 1.23 | 0.09 | 1.49 | 0.43 | 0.32 | 1.49 | ||||||||||||
1960 | 0.24 | 0.14 | 0.08 | 0.03 | 0.11 | 0.37 | 0.35 | 0.07 | 0.25 | 0.66 | 0.39 | 0.44 | 0.66 | |||||||||||||
1961 | 0.10 | 0.16 | 0.23 | 0.32 | 0.03 | 0.30 | 0.16 | 1.36 | 0.55 | 0.30 | 0.12 | 0.61 | 1.36 | |||||||||||||
1962 | 0.70 | 0.00 | 0.00 | 0.00 | 0.02 | 0.21 | 0.85 | 0.90 | 0.41 | 0.40 | 0.31 | 0.14 | 0.90 | |||||||||||||
1963 | 0.20 | 0.32 | 0.21 | 0.10 | 0.05 | 0.20 | 0.22 | 0.61 | 0.52 | 0.41 | 0.19 | 0.00 | 0.61 | |||||||||||||
1964 | 0.06 | 0.14 | 0.22 | 0.10 | 0.30 | 0.05 | 1.50 | 0.44 | 0.27 | 0.00 | 0.16 | 0.18 | 1.50 | |||||||||||||
1965 | 0.63 | 0.18 | 0.11 | 0.24 | 0.31 | 0.62 | 0.32 | 0.80 | 0.52 | 1.47 | 0.10 | 0.76 | 1.47 | |||||||||||||
1966 | 0.35 | 0.17 | 0.02 | 0.02 | 0.09 | 1.02 | 0.41 | 0.70 | 0.22 | 0.16 | 0.10 | 0.08 | 1.02 | |||||||||||||
1967 | 0.00 | 0.09 | 0.07 | 0.00 | 0.14 | 0.62 | 1.09 | 1.06 | 0.73 | 0.02 | 0.04 | 0.14 | 1.09 | |||||||||||||
1968 | 0.06 | 0.22 | 0.30 | 0.24 | 0.33 | 0.00 | 1.31 | 0.60 | 0.13 | 0.19 | 0.21 | 0.14 | 1.31 | |||||||||||||
1969 | 0.00 | 0.13 | 0.06 | 0.65 | 0.54 | 1.60 | 0.25 | 0.70 | 0.82 | 0.86 | 0.18 | 0.30 | 1.60 | |||||||||||||
1970 | 0.06 | 0.03 | 0.22 | 0.18 | 0.17 | 0.35 | 1.03 | 0.35 | 0.50 | 0.00 | 0.00 | 0.00 | 1.03 | |||||||||||||
1971 | 0.26 | 0.34 | 0.06 | 0.53 | 0.32 | 9999.00 | z | 0.57 | 1.00 | 0.55 | 0.83 | 0.21 | 0.42 | 1.00 | ||||||||||||
1972 | 0.04 | 0.02 | 0.03 | 0.00 | 0.53 | 0.21 | 0.46 | 0.60 | 1.23 | 0.65 | 0.41 | 0.10 | 1.23 | |||||||||||||
1973 | 0.03 | 0.12 | 0.39 | 0.35 | 0.19 | 0.26 | 0.31 | 0.70 | 1.00 | 0.80 | A | 0.36 | 0.00 | 1.00 | ||||||||||||
1974 | 0.33 | 0.06 | 0.78 | 0.00 | 0.00 | 0.00 | 0.31 | 0.32 | 0.09 | a | 0.43 | 0.18 | 0.18 | 0.78 | ||||||||||||
1975 | 0.50 | 0.32 | 0.38 | 0.07 | 0.00 | 0.51 | 0.30 | 0.28 | 1.18 | 0.00 | 0.49 | 0.01 | 1.18 | |||||||||||||
1976 | 0.01 | 0.46 | 0.28 | 0.15 | 0.24 | 0.24 | 0.19 | 0.93 | 0.26 | 0.03 | 0.40 | 0.00 | 0.93 | |||||||||||||
1977 | 0.07 | 0.35 | 0.10 | 0.55 | 0.50 | 0.06 | 1.34 | 0.98 | 0.16 | 0.07 | 1.11 | 0.01 | 1.34 | |||||||||||||
1978 | 0.04 | 0.50 | 0.15 | 0.09 | 0.39 | 0.98 | 0.06 | 0.19 | 0.48 | 0.31 | 1.19 | 0.10 | 1.19 | |||||||||||||
1979 | 0.72 | 0.00 | 0.14 | 0.48 | 0.35 | 0.76 | 0.18 | 1.03 | 0.05 | 0.06 | 0.60 | 0.10 | 1.03 | |||||||||||||
1980 | 0.05 | 0.24 | 0.55 | 1.28 | 0.43 | 0.12 | 0.75 | 9999.00 | z | 0.30 | 0.38 | 0.24 | 0.00 | 1.28 | ||||||||||||
1981 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9999.00 | z | 9999.00 | z | 1.00 | 0.36 | 0.36 | 0.00 | 1.00 | |||||||||||
1982 | 0.09 | 0.24 | 0.02 | a | 0.00 | 0.39 | 0.12 | 0.82 | a | 0.04 | 0.90 | a | 0.12 | 0.20 | A | 0.66 | n | 0.90 | ||||||||
1983 | 0.31 | A | 0.05 | 0.40 | 0.20 | A | 0.31 | A | 0.50 | 0.04 | 1.73 | 9999.00 | z | 0.27 | 0.15 | 0.26 | 1.73 | |||||||||
1984 | 0.32 | 0.00 | 0.09 | 0.15 | 0.00 | 0.08 | 0.27 | 0.46 | 0.05 | 0.71 | 0.00 | 0.65 | 0.71 | |||||||||||||
1985 | 0.36 | 0.56 | 0.55 | 0.67 | 0.38 | 0.50 | 0.50 | 1.56 | 0.43 | 0.68 | 0.56 | 0.00 | 1.56 | |||||||||||||
1986 | 0.00 | 0.41 | 0.28 | 0.35 | 0.80 | 0.67 | 0.54 | 0.40 | 0.78 | 0.62 | 0.63 | 0.18 | 0.80 | |||||||||||||
1987 | 0.31 | 0.14 | 0.09 | 0.20 | 0.48 | b | 0.11 | 0.16 | e | 0.67 | A | 0.52 | c | 0.18 | 0.22 | 0.58 | 0.58 | |||||||||
1988 | 0.38 | a | 0.02 | 0.16 | 0.05 | 0.27 | 0.43 | 0.40 | A | 0.77 | A | 1.14 | 0.14 | 0.24 | 0.00 | 1.14 | ||||||||||
1989 | 0.27 | 0.56 | 0.29 | 0.16 | 0.51 | 0.23 | A | 0.75 | 2.00 | 0.62 | 1.03 | 0.00 | 0.15 | 2.00 | ||||||||||||
1990 | 0.29 | 0.30 | 0.52 | A | 0.38 | A | 0.32 | d | 0.22 | 0.70 | 0.53 | 0.93 | 0.30 | 0.74 | 1.24 | A | 0.93 | |||||||||
1991 | 0.04 | 0.00 | 0.31 | A | 0.08 | A | 0.83 | 0.77 | 0.69 | 1.10 | A | 0.83 | 0.30 | 1.30 | c | 0.91 | a | 1.30 | ||||||||
1992 | 0.35 | 0.10 | a | 0.40 | 0.34 | 1.02 | A | 0.62 | b | 0.90 | A | 0.50 | A | 0.40 | A | 0.14 | 0.50 | 0.91 | d | 0.91 | ||||||
1993 | 0.50 | A | 0.51 | 0.67 | A | 0.05 | 9999.00 | z | 0.91 | 0.74 | 1.10 | A | 0.33 | A | 0.31 | 0.50 | 0.00 | b | 0.91 | |||||||
1994 | 0.15 | A | 0.06 | 0.70 | a | 1.05 | A | 0.82 | i | 0.32 | 0.81 | A | 0.84 | 0.42 | 1.10 | 1.10 | A | 0.00 | l | 1.10 | ||||||
1995 | 9999.00 | z | 0.15 | a | 0.05 | 0.93 | A | 0.58 | 0.84 | A | 0.17 | A | 0.32 | f | 0.73 | A | 0.08 | A | 0.15 | 0.08 | j | 0.58 | ||||
1996 | 0.00 | b | 0.16 | 0.37 | 0.05 | 0.00 | 0.89 | 0.60 | A | 0.68 | A | 0.30 | 0.91 | 0.16 | 0.04 | 0.91 | ||||||||||
1997 | 0.13 | 0.31 | 0.07 | 0.41 | b | 0.36 | 0.52 | 0.36 | A | 0.50 | A | 1.02 | 0.31 | b | 0.17 | a | 0.32 | l | 1.02 | |||||||
1998 | 0.02 | a | 0.27 | 0.21 | 0.15 | 0.00 | 0.27 | 0.87 | 0.76 | 0.54 | 1.30 | 0.37 | 0.00 | a | 1.30 | |||||||||||
1999 | 0.19 | 0.04 | 0.26 | 0.42 | c | 0.21 | 0.57 | 1.20 | 1.16 | a | 0.45 | 0.00 | d | 0.00 | 0.16 | a | 1.20 | |||||||||
2000 | 0.10 | a | 0.00 | 0.32 | d | 0.00 | l | 0.00 | 0.12 | b | 0.60 | j | 1.10 | f | 0.35 | b | 0.99 | 0.70 | A | 0.00 | p | 1.10 | ||||
2001 | 0.12 | i | 0.17 | b | 0.20 | 0.36 | 0.44 | 0.04 | 0.84 | 0.79 | b | 0.05 | 0.11 | 0.19 | a | 0.12 | c | 0.84 | ||||||||
2002 | 0.67 | 0.03 | 0.00 | 0.30 | 0.00 | 0.61 | 0.30 | 0.07 | 1.70 | 0.48 | 0.56 | 0.30 | 1.70 | |||||||||||||
2003 | 0.06 | 0.20 | 0.42 | 0.00 | 0.35 | 0.23 | 0.05 | 0.33 | 0.53 | 0.52 | 0.40 | 0.13 | a | 0.53 | ||||||||||||
2004 | 0.10 | 0.15 | 0.42 | 1.23 | a | 0.00 | 0.53 | 0.92 | A | 0.56 | 0.47 | 0.58 | b | 0.22 | 0.29 | 1.23 | ||||||||||
2005 | 0.47 | 0.25 | 0.53 | 0.70 | 0.19 | 0.42 | 0.02 | b | 2.00 | 1.38 | 0.41 | 0.01 | 0.04 | 2.00 | ||||||||||||
2006 | 0.08 | 0.00 | 0.17 | 0.35 | 0.17 | 0.18 | 1.38 | a | 0.98 | A | 0.59 | 0.48 | 0.11 | 0.45 | A | 1.38 | ||||||||||
2007 | 0.16 | 0.30 | 0.64 | 0.23 | c | 0.41 | 0.47 | 0.36 | 0.47 | 0.44 | A | 0.19 | 0.27 | 1.22 | 1.22 | |||||||||||
2008 | 0.22 | a | 0.24 | 0.00 | c | 0.13 | 0.32 | 0.22 | 0.80 | 1.64 | 0.65 | 0.55 | 0.40 | 0.52 | 1.64 | |||||||||||
2009 | 0.04 | 0.10 | 0.35 | 0.39 | 0.30 | b | 0.60 | b | 0.42 | b | 0.30 | 0.54 | 0.92 | a | 0.15 | 0.70 | 0.92 | |||||||||
2010 | 0.51 | 0.21 | 0.54 | 0.38 | 0.87 | 0.00 | 0.50 | 0.36 | 0.95 | 0.41 | 0.00 | 0.23 | 0.95 | |||||||||||||
2011 | 0.00 | 0.16 | 0.15 | z | 0.13 | 0.51 | z | 0.00 | 0.40 | z | 0.40 | 0.64 | 0.53 | z | 0.30 | z | 0.93 | 0.93 | ||||||||
2012 | 0.01 | 0.07 | c | 0.05 | z | 0.91 | 0.50 | b | 0.05 | 0.21 | 0.54 | 0.98 | 0.80 | a | 0.03 | 0.18 | 0.98 | |||||||||
2013 | 0.28 | 0.18 | 0.34 | 0.00 | 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 | 0.34 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.20 | 0.19 | 0.26 | 0.30 | 0.32 | 0.38 | 0.55 | 0.73 | 0.57 | 0.47 | 0.34 | 0.26 | 1.19 | |||||||||||||
S.D. | 0.20 | 0.15 | 0.21 | 0.31 | 0.24 | 0.33 | 0.37 | 0.47 | 0.41 | 0.40 | 0.31 | 0.29 | 0.41 | |||||||||||||
SKEW | 1.04 | 0.82 | 0.66 | 1.52 | 0.55 | 1.14 | 0.74 | 0.92 | 1.10 | 0.95 | 1.34 | 1.38 | 0.19 | |||||||||||||
MAX | 0.72 | 0.56 | 0.78 | 1.28 | 0.87 | 1.60 | 1.50 | 2.00 | 1.98 | 1.53 | 1.30 | 1.22 | 2.00 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | |||||||||||||
NO YRS | 58 | 60 | 56 | 59 | 56 | 59 | 56 | 53 | 59 | 59 | 58 | 54 | 37 |