YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.05 | 1.23 | 1.02 | 0.06 | 0.47 | 0.89 | 1.23 | |||||||
1942 | 0.38 | 0.15 | 1.01 | z | 0.71 | 0.00 | 0.00 | 0.16 | 0.90 | 0.42 | 0.08 | 0.00 | 0.44 | 1.01 | ||||||||||||
1943 | 0.40 | 0.39 | 0.83 | 0.00 | 0.17 | 0.38 | 0.26 | 0.62 | 1.16 | 0.25 | 0.00 | 0.39 | 1.16 | |||||||||||||
1944 | 0.80 | 0.32 | 0.34 | 0.55 | 0.10 | 0.00 | 0.89 | 0.93 | 1.39 | 0.60 | 0.80 | 0.42 | 1.39 | |||||||||||||
1945 | 0.27 | 0.45 | 0.60 | 0.24 | 0.00 | 0.00 | 0.89 | 0.83 | 0.06 | 0.87 | 0.00 | 0.18 | 0.89 | |||||||||||||
1946 | 0.48 | 0.11 | 0.25 | 0.06 | 0.00 | 0.00 | 0.62 | 1.30 | 0.31 | 0.26 | 0.36 | 0.50 | 1.30 | |||||||||||||
1947 | 0.08 | 0.08 | 9999.00 | z | 0.01 | 0.12 | 0.00 | 0.11 | 1.08 | 1.30 | 0.62 | 0.22 | 0.33 | 1.30 | ||||||||||||
1948 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.56 | 1.03 | 0.80 | 0.60 | 0.01 | 0.50 | 1.03 | |||||||
1949 | 0.41 | 0.12 | 0.18 | 0.49 | 0.00 | 0.19 | 1.47 | 0.30 | 0.62 | 0.16 | 0.14 | 0.80 | 1.47 | |||||||||||||
1950 | 0.28 | 0.27 | 0.19 | 0.00 | 0.02 | 0.56 | 1.05 | 0.13 | 0.10 | 0.05 | 0.00 | 0.00 | 1.05 | |||||||||||||
1951 | 0.47 | 0.13 | 1.23 | 0.75 | 0.08 | 0.00 | 0.96 | 1.89 | 0.31 | 1.33 | 0.31 | 0.79 | 1.89 | |||||||||||||
1952 | 0.83 | 0.09 | 1.13 | 0.55 | 0.20 | 0.35 | 1.10 | 0.52 | 0.41 | 0.00 | 1.04 | 0.28 | 1.13 | |||||||||||||
1953 | 0.09 | 0.32 | 0.88 | 0.00 | 0.44 | 0.03 | 0.84 | 0.34 | 0.00 | 0.00 | 0.22 | 0.19 | 0.88 | |||||||||||||
1954 | 0.47 | 0.94 | 1.03 | 0.00 | 0.03 | 1.04 | 2.70 | 0.80 | 0.71 | 0.05 | 0.00 | 0.21 | 2.70 | |||||||||||||
1955 | 0.47 | 0.17 | 0.02 | 0.00 | 0.00 | 0.27 | 0.69 | 0.58 | 0.17 | 0.16 | 0.02 | 0.40 | 0.69 | |||||||||||||
1956 | 1.00 | 0.34 | 0.00 | 0.07 | 0.08 | 0.09 | 0.64 | 0.26 | 0.00 | 0.50 | 0.00 | 0.14 | 1.00 | |||||||||||||
1957 | 0.63 | 0.23 | 0.53 | 0.22 | 0.13 | 0.11 | 0.66 | 1.56 | 0.19 | 0.63 | 0.25 | 0.42 | 1.56 | |||||||||||||
1958 | 0.00 | 1.32 | 0.66 | 0.42 | 0.00 | 0.23 | 0.85 | 0.58 | 0.65 | 0.47 | 0.86 | 0.00 | 1.32 | |||||||||||||
1959 | 0.00 | 0.58 | 0.00 | 0.08 | 0.00 | 0.23 | 1.45 | 1.08 | 0.00 | 0.80 | 0.15 | 1.04 | 1.45 | |||||||||||||
1960 | 0.64 | 0.47 | 0.10 | 0.00 | 0.12 | 0.00 | 3.00 | 0.41 | 0.28 | 0.71 | 0.04 | 0.27 | A | 3.00 | ||||||||||||
1961 | 1.16 | 0.12 | 0.25 | 0.00 | 0.00 | 0.00 | 0.58 | 0.47 | 0.51 | 0.59 | 0.38 | 0.74 | 1.16 | |||||||||||||
1962 | 0.61 | 0.40 | 0.27 | 0.00 | 0.00 | 0.00 | 0.62 | 0.19 | 1.20 | 0.34 | 0.25 | 0.40 | 1.20 | |||||||||||||
1963 | 0.55 | 0.73 | 0.72 | 0.40 | 0.00 | 0.00 | 0.40 | 0.98 | 0.69 | 0.54 | 0.67 | 0.22 | 0.98 | |||||||||||||
1964 | 0.25 | 0.00 | 0.45 | 0.45 | 0.00 | 0.32 | 0.60 | 0.47 | 1.52 | 0.96 | 0.31 | 0.90 | 1.52 | |||||||||||||
1965 | 0.40 | 0.78 | 0.18 | 0.30 | 9999.00 | z | 0.16 | 0.27 | 2.75 | 0.20 | 0.32 | 0.54 | 1.70 | 2.75 | ||||||||||||
1966 | 0.54 | 1.05 | 0.05 | 0.03 | 0.00 | 0.07 | 1.12 | 1.01 | 1.21 | 0.38 | 0.70 | 0.39 | 1.21 | |||||||||||||
1967 | 0.32 | 0.02 | 0.25 | 0.42 | 0.20 | 0.16 | 1.40 | 0.98 | 0.95 | 0.89 | 0.26 | 1.55 | 1.55 | |||||||||||||
1968 | 0.22 | 0.58 | 0.90 | 0.21 | 0.00 | 0.00 | 0.88 | 3.17 | 0.00 | 0.29 | 0.78 | 0.87 | 3.17 | |||||||||||||
1969 | 0.44 | 0.85 | 0.16 | 0.05 | 0.16 | 0.00 | 0.52 | 0.83 | 0.19 | 0.31 | 0.70 | 0.39 | 0.85 | |||||||||||||
1970 | 0.00 | 0.31 | 0.94 | 0.02 | 0.03 | 0.53 | 0.75 | 1.08 | 0.62 | 0.32 | 0.00 | 0.12 | 1.08 | |||||||||||||
1971 | 0.46 | 0.40 | 0.00 | 0.20 | 0.00 | 0.00 | 0.80 | 1.31 | 0.45 | 0.75 | 0.52 | 0.12 | 1.31 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.96 | 1.08 | 0.75 | 0.26 | 1.18 | 0.66 | 0.58 | 1.18 | |||||||||||||
1973 | 0.14 | 0.81 | 0.66 | 0.32 | 0.60 | 0.45 | 0.75 | 0.16 | 0.00 | 0.00 | 0.40 | 0.00 | 0.81 | |||||||||||||
1974 | 0.58 | 0.00 | 0.37 | 0.00 | 0.00 | 0.00 | 1.70 | 0.57 | 1.98 | 0.82 | 0.50 | 0.23 | 1.98 | |||||||||||||
1975 | 0.50 | 0.18 | 0.37 | 0.15 | 0.00 | 9999.00 | z | 0.98 | 0.50 | 0.35 | 0.08 | 0.75 | 0.25 | 0.98 | ||||||||||||
1976 | 0.34 | 0.38 | 0.67 | 0.82 | 1.51 | 0.35 | 0.88 | 9999.00 | z | 0.85 | 0.24 | 0.25 | 9999.00 | z | 1.51 | |||||||||||
1977 | 1.04 | A | 0.28 | 0.45 | 0.07 | 0.08 | 0.00 | 0.80 | 1.30 | 1.08 | 0.80 | 0.33 | A | 1.98 | A | 1.30 | ||||||||||
1978 | 0.63 | 0.65 | 0.40 | 0.10 | 0.83 | 0.10 | 0.78 | 0.70 | 0.64 | 1.11 | 1.48 | 1.12 | 1.48 | |||||||||||||
1979 | 1.03 | 0.28 | 0.51 | 0.10 | 0.22 | 0.44 | 0.28 | 0.57 | 0.00 | 9999.00 | z | 0.08 | 0.63 | 1.03 | ||||||||||||
1980 | 0.30 | 1.01 | 0.58 | 0.00 | 0.04 | 0.00 | 0.84 | 1.22 | 0.45 | 0.45 | 0.06 | 0.17 | 1.22 | |||||||||||||
1981 | 0.30 | 0.70 | 1.00 | 0.24 | 0.32 | 0.02 | 1.18 | 0.30 | 0.51 | 0.70 | 0.35 | 0.00 | 1.18 | |||||||||||||
1982 | 0.80 | 0.51 | 0.51 | 0.09 | 0.64 | 0.00 | 0.90 | 1.24 | 0.70 | 0.00 | 0.40 | 1.01 | 1.24 | |||||||||||||
1983 | 1.75 | 0.80 | 1.34 | 0.20 | 9999.00 | z | 0.00 | 0.62 | 0.58 | 1.97 | 5.45 | 0.95 | 0.56 | 5.45 | ||||||||||||
1984 | 0.33 | 0.00 | 0.00 | 0.72 | 9999.00 | z | 0.31 | 3.05 | 1.84 | 1.65 | 0.68 | 0.82 | 0.76 | 3.05 | ||||||||||||
1985 | 0.59 | 0.70 | 0.28 | 0.48 | 0.01 | 0.26 | 1.28 | 0.82 | 0.90 | 1.18 | 0.62 | 0.42 | 1.28 | |||||||||||||
1986 | 0.61 | 0.74 | 0.81 | 0.00 | 0.90 | 0.20 | 0.53 | 1.13 | 0.54 | 1.57 | 0.87 | 0.55 | 1.57 | |||||||||||||
1987 | 0.66 | 1.70 | 0.45 | 0.71 | 0.56 | 0.10 | 0.27 | 0.75 | 0.40 | 0.27 | 0.83 | 1.18 | 1.70 | |||||||||||||
1988 | 0.70 | 0.81 | 0.00 | 0.48 | 0.00 | 0.18 | 0.90 | 0.65 | 0.67 | 0.00 | 0.38 | 0.15 | 0.90 | |||||||||||||
1989 | 0.86 | 0.20 | 0.64 | 9999.00 | z | 0.16 | 0.02 | 0.77 | 0.58 | 0.00 | 1.70 | 0.10 | 0.60 | 1.70 | ||||||||||||
1990 | 0.61 | 0.45 | 0.85 | 0.20 | 0.00 | 0.32 | a | 3.32 | 0.98 | 0.85 | 0.14 | 0.40 | 0.60 | a | 3.32 | |||||||||||
1991 | 0.65 | 0.60 | 1.20 | 0.00 | 0.00 | 0.00 | 0.45 | 0.62 | 0.05 | 0.20 | 0.36 | 0.70 | 1.20 | |||||||||||||
1992 | 0.85 | A | 1.15 | 0.84 | 0.45 | 0.71 | 0.20 | 0.70 | 2.00 | 0.05 | 0.26 | 0.05 | 2.40 | 2.40 | ||||||||||||
1993 | 2.42 | 0.71 | A | 0.47 | 0.00 | 0.10 | 0.00 | 0.00 | 0.75 | A | 0.88 | 1.20 | 0.48 | 0.17 | 2.42 | |||||||||||
1994 | 0.14 | 1.37 | 0.60 | 0.00 | 0.44 | 0.30 | 1.43 | 0.00 | 1.00 | 1.15 | 2.50 | 2.40 | 2.50 | |||||||||||||
1995 | 1.75 | g | 9999.00 | z | 9999.00 | z | 0.30 | 0.12 | 0.00 | 0.45 | 1.65 | 0.62 | 0.00 | 0.00 | 9999.00 | z | 1.75 | |||||||||
1996 | 0.25 | 0.40 | 0.38 | 0.00 | 0.00 | 0.06 | 1.22 | 1.02 | A | 1.08 | A | 0.26 | 0.20 | 0.00 | 1.22 | |||||||||||
1997 | 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 | |
1998 | 9999.00 | z | 1.41 | 0.90 | 0.61 | 0.00 | 0.09 | 1.08 | 1.79 | 0.24 | 0.42 | 0.63 | 0.33 | 1.79 | ||||||||||||
1999 | 0.08 | 0.00 | 0.31 | 1.90 | 0.00 | 0.02 | 1.44 | 1.41 | 0.78 | 0.00 | 0.00 | 0.00 | 1.90 | |||||||||||||
2000 | 0.00 | 0.57 | 0.75 | 0.00 | 0.00 | 0.37 | 0.70 | 0.75 | 0.16 | 2.28 | 0.75 | 0.00 | 2.28 | |||||||||||||
2001 | 0.53 | 0.43 | 0.50 | 1.35 | 0.45 | 0.78 | 0.76 | 0.80 | 0.80 | 0.45 | 0.00 | 0.63 | 1.35 | |||||||||||||
2002 | 0.11 | 0.00 | 0.18 | 0.00 | 0.00 | 0.00 | 1.90 | A | 1.22 | 1.14 | 0.15 | 0.17 | 0.25 | 1.22 | ||||||||||||
2003 | 0.11 | 0.90 | 0.40 | 0.25 | 0.08 | 0.00 | 1.24 | 0.25 | 0.29 | 0.44 | 0.53 | 0.27 | 1.24 | |||||||||||||
2004 | 0.42 | 0.51 | 0.68 | 0.42 | 0.00 | 0.00 | 0.42 | 0.83 | 1.19 | 0.72 | 0.53 | 0.60 | 1.19 | |||||||||||||
2005 | 0.70 | 0.70 | 0.22 | 0.20 | 1.10 | 9999.00 | z | 1.43 | 1.36 | 0.90 | 9999.00 | z | 9999.00 | z | 0.05 | 1.43 | ||||||||||
2006 | 0.04 | 0.00 | 0.88 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.39 | 0.88 | |||||
2007 | 0.51 | 0.19 | 0.81 | 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 | 0.81 | ||||
2008 | 0.97 | 1.07 | 9999.00 | z | 0.00 | 0.57 | 1.23 | 1.74 | 0.80 | 1.14 | 0.16 | 0.25 | 0.56 | 1.74 | ||||||||||||
2009 | 0.35 | 0.67 | 0.24 | 0.12 | 0.72 | 0.57 | a | 0.37 | 0.38 | 0.07 | 0.24 | 9999.00 | z | 9999.00 | z | 0.72 | ||||||||||
2010 | 2.85 | 9999.00 | z | 0.62 | 0.43 | 0.00 | 0.12 | 1.20 | 0.75 | 0.28 | 0.20 | 0.01 | 1.10 | 2.85 | ||||||||||||
2011 | 0.02 | 0.23 | 0.12 | 9999.00 | z | 0.00 | 0.00 | 1.35 | 0.80 | 0.37 | 9999.00 | z | 0.31 | 0.95 | 1.35 | |||||||||||
2012 | 0.21 | 0.00 | 0.32 | 0.07 | 0.00 | 0.13 | 1.56 | 0.75 | 9999.00 | z | 9999.00 | z | 0.25 | 0.70 | 1.56 | |||||||||||
2013 | 0.38 | 0.48 | 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 | 0.48 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.53 | 0.49 | 0.50 | 0.26 | 0.19 | 0.19 | 0.99 | 0.91 | 0.61 | 0.59 | 0.41 | 0.57 | 1.49 | |||||||||||||
S.D. | 0.49 | 0.39 | 0.35 | 0.34 | 0.31 | 0.27 | 0.65 | 0.57 | 0.49 | 0.77 | 0.41 | 0.52 | 0.62 | |||||||||||||
SKEW | 2.51 | 0.84 | 0.40 | 2.34 | 2.14 | 2.00 | 1.68 | 1.50 | 0.76 | 4.17 | 2.25 | 1.73 | 1.50 | |||||||||||||
MAX | 2.85 | 1.70 | 1.34 | 1.90 | 1.51 | 1.23 | 3.32 | 3.17 | 1.98 | 5.45 | 2.50 | 2.40 | 3.32 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.69 | |||||||||||||
NO YRS | 68 | 68 | 65 | 65 | 64 | 65 | 69 | 68 | 67 | 65 | 67 | 67 | 48 |