YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1947 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.66 | 0.70 | 0.72 | 1.20 | 0.45 | 0.45 | 1.20 | |||||||
1948 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.40 | 0.29 | 0.01 | 0.15 | 0.25 | 0.40 | ||||||
1949 | 0.15 | 0.30 | 0.20 | 0.15 | 0.12 | 0.20 | 0.20 | 0.20 | 1.24 | 0.20 | 0.10 | 0.10 | 1.24 | |||||||||||||
1950 | 0.18 | 0.12 | 0.30 | 0.10 | 0.11 | 0.10 | 0.10 | 0.10 | 0.13 | 0.00 | 0.05 | 0.10 | 0.30 | |||||||||||||
1951 | 0.10 | 0.09 | 0.08 | 0.09 | 0.24 | 0.08 | 0.15 | 0.10 | 0.15 | 0.15 | 0.10 | 9999.00 | z | 0.24 | ||||||||||||
1952 | 0.10 | 0.85 | 0.22 | 0.17 | 0.13 | 0.00 | 0.15 | 0.14 | 0.08 | 0.00 | 0.17 | 0.12 | 0.85 | |||||||||||||
1953 | 0.12 | 0.20 | 0.50 | 0.13 | 0.20 | 0.12 | 0.17 | 0.10 | 0.07 | 0.08 | 0.08 | 0.12 | 0.50 | |||||||||||||
1954 | 0.07 | 0.03 | 0.08 | 0.06 | 0.06 | 0.06 | 0.09 | 0.09 | 0.12 | 0.08 | 0.48 | 0.12 | 0.48 | |||||||||||||
1955 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | q | 0.08 | 0.40 | 0.00 | 0.10 | 0.35 | 0.43 | 0.43 | |||||||
1956 | 1.50 | 0.05 | 0.04 | 0.20 | 0.20 | 0.70 | 0.41 | 0.15 | 0.30 | 1.10 | 0.00 | d | 0.53 | 1.50 | ||||||||||||
1957 | 1.39 | A | 0.22 | 0.60 | A | 0.79 | A | 0.77 | 0.08 | 1.90 | 1.93 | 0.00 | 0.65 | 1.30 | A | 0.43 | 1.93 | |||||||||
1958 | 0.86 | A | 0.80 | A | 0.75 | 0.35 | 0.00 | 0.00 | 0.18 | 0.90 | 0.60 | 0.50 | 0.50 | 0.39 | 0.90 | |||||||||||
1959 | 0.17 | 0.35 | 0.60 | 0.60 | 0.11 | 0.20 | 0.30 | 1.45 | 0.70 | 1.15 | 0.30 | A | 0.33 | 1.45 | ||||||||||||
1960 | 9999.00 | z | 0.60 | 0.90 | 0.90 | A | 0.30 | 0.32 | 0.80 | 0.14 | 0.30 | 0.21 | 0.55 | 0.80 | 0.90 | |||||||||||
1961 | 0.95 | 0.73 | A | 0.59 | 1.07 | A | 0.22 | 0.00 | 0.37 | 0.40 | 0.30 | 0.50 | 0.35 | A | 0.25 | 0.95 | ||||||||||
1962 | 0.16 | A | 0.70 | A | 0.10 | 0.24 | 0.60 | 0.23 | 0.15 | 0.20 | 0.40 | 0.22 | 1.95 | 0.53 | 1.95 | |||||||||||
1963 | 0.30 | 0.35 | 0.45 | 0.04 | 0.15 | 0.45 | 0.20 | 0.30 | 0.00 | 0.70 | 0.39 | 0.40 | 0.70 | |||||||||||||
1964 | 0.47 | 0.49 | 0.72 | 2.01 | 0.25 | 0.45 | 0.69 | 0.42 | 1.90 | 0.00 | 1.04 | 0.51 | 2.01 | |||||||||||||
1965 | 0.69 | 0.65 | 0.69 | 2.04 | 0.42 | 0.40 | 9999.00 | z | 0.32 | 0.28 | 0.55 | 0.63 | 0.32 | 2.04 | ||||||||||||
1966 | 0.08 | 0.30 | 0.00 | 0.59 | 0.15 | 0.27 | 0.30 | 0.70 | 0.28 | 0.15 | 0.34 | 0.65 | 0.70 | |||||||||||||
1967 | 0.29 | 0.10 | 0.52 | 0.45 | 0.40 | 0.23 | 0.40 | 0.75 | 0.24 | 0.35 | 0.07 | 0.42 | 0.75 | |||||||||||||
1968 | 0.30 | 0.48 | 0.22 | 0.52 | 0.23 | 0.00 | 0.55 | 0.42 | 0.00 | 0.26 | 0.25 | 0.45 | 0.55 | |||||||||||||
1969 | 0.52 | 0.52 | 0.24 | 0.00 | 0.30 | 0.34 | 0.42 | 0.67 | 0.40 | 0.46 | 0.59 | 0.62 | 0.67 | |||||||||||||
1970 | 0.64 | 0.56 | 0.75 | 0.49 | 0.00 | 0.36 | 0.80 | 0.58 | 0.86 | 0.67 | 0.46 | 0.62 | 0.86 | |||||||||||||
1971 | 0.23 | 0.47 | 0.59 | 0.46 | 0.90 | 0.00 | 0.32 | 0.38 | 0.19 | 0.38 | 0.65 | 0.61 | 0.90 | |||||||||||||
1972 | 0.46 | 0.08 | 0.65 | 0.42 | 0.36 | 0.33 | 9999.00 | z | 0.29 | 0.60 | 0.62 | 9999.00 | z | 0.67 | 0.67 | |||||||||||
1973 | 9999.00 | z | 0.22 | 0.43 | 0.72 | 0.83 | 0.52 | 0.42 | 0.32 | 0.49 | 0.42 | 0.43 | 0.72 | 0.83 | ||||||||||||
1974 | 0.64 | 0.82 | 0.69 | 0.72 | 0.00 | 0.33 | 0.90 | 0.35 | 0.52 | 0.42 | 0.62 | 0.52 | 0.90 | |||||||||||||
1975 | 0.54 | 0.46 | 0.65 | 0.46 | 0.42 | b | 0.33 | 0.68 | 0.50 | 0.47 | 0.51 | A | 0.63 | 0.59 | 0.68 | |||||||||||
1976 | 0.45 | 0.59 | 0.29 | 0.59 | 0.27 | 0.30 | 0.21 | 0.42 | 0.42 | 0.12 | 0.10 | 0.00 | 0.59 | |||||||||||||
1977 | 0.24 | 0.63 | 0.32 | 0.21 | 0.39 | 0.00 | 0.90 | 0.52 | 0.42 | 1.30 | 0.60 | 0.59 | 1.30 | |||||||||||||
1978 | 0.55 | 0.39 | 0.39 | 0.19 | 0.63 | 0.22 | 0.16 | 0.32 | 0.22 | 0.50 | 0.59 | 0.52 | 0.63 | |||||||||||||
1979 | 0.59 | 0.42 | 0.63 | 0.37 | 0.55 | 0.39 | b | 0.43 | 0.23 | 0.32 | 0.32 | 0.39 | 0.52 | 0.63 | ||||||||||||
1980 | 0.42 | 0.39 | 0.59 | 0.55 | 0.37 | 0.00 | 0.74 | A | 0.39 | 0.40 | 0.32 | 0.26 | 0.51 | 0.59 | ||||||||||||
1981 | 0.41 | 0.35 | 0.45 | 0.18 | 0.45 | 0.35 | 0.43 | 0.50 | 0.30 | 0.39 | 0.37 | 0.61 | 0.61 | |||||||||||||
1982 | 0.52 | 0.32 | 0.59 | 0.19 | 0.44 | 0.19 | 0.40 | 0.86 | 0.45 | 0.27 | 0.52 | 0.36 | 0.86 | |||||||||||||
1983 | 0.47 | 0.45 | 0.49 | 0.32 | 0.49 | 0.37 | 0.42 | 0.32 | 0.22 | 0.19 | 0.42 | 0.45 | 0.49 | |||||||||||||
1984 | 0.41 | 0.29 | 0.20 | 0.57 | 0.40 | 0.43 | 0.42 | 0.48 | 0.23 | 0.59 | 0.62 | b | 0.22 | 0.62 | ||||||||||||
1985 | 0.51 | 0.42 | 9999.00 | z | 9999.00 | z | 0.30 | 0.10 | 1.70 | 0.35 | 0.63 | 0.32 | 9999.00 | z | 0.32 | 1.70 | ||||||||||
1986 | 0.22 | 0.40 | 0.59 | d | 0.19 | 0.22 | 0.45 | 0.24 | 0.24 | 0.23 | 0.24 | 0.35 | 0.49 | 0.59 | ||||||||||||
1987 | 0.47 | 0.52 | 0.16 | 0.22 | 9999.00 | z | 9999.00 | z | 0.22 | 0.45 | 0.18 | 0.22 | 0.28 | 0.10 | a | 0.52 | ||||||||||
1988 | 0.17 | a | 0.00 | 0.20 | a | 0.22 | 0.20 | 0.26 | 0.32 | 0.32 | 0.50 | 0.17 | 0.17 | a | 0.60 | c | 0.60 | |||||||||
1989 | 0.58 | 0.45 | 9999.00 | z | 0.40 | 0.00 | 0.17 | 0.40 | 0.45 | 0.15 | 0.18 | a | 0.19 | 0.29 | 0.58 | |||||||||||
1990 | 0.42 | 0.39 | 0.30 | a | 0.45 | 9999.00 | z | 0.12 | 0.40 | 0.35 | 0.39 | 0.25 | 0.42 | 0.35 | a | 0.45 | ||||||||||
1991 | 0.33 | 0.30 | 0.45 | b | 0.30 | 0.30 | 0.35 | 0.40 | 0.30 | 0.35 | 0.19 | b | 0.45 | a | 0.35 | b | 0.45 | |||||||||
1992 | 0.19 | a | 0.28 | 0.38 | k | 0.20 | 0.45 | 0.21 | 0.29 | 0.22 | 0.25 | 0.18 | 9999.00 | z | 9999.00 | z | 0.45 | |||||||||
1993 | 9999.00 | z | 0.64 | 0.50 | b | 0.02 | 0.20 | c | 0.02 | 0.00 | 0.30 | 9999.00 | z | 0.25 | 9999.00 | z | 9999.00 | z | 0.64 | |||||||
1994 | 0.03 | 9999.00 | z | 9999.00 | z | 0.04 | b | 9999.00 | z | 0.45 | 0.01 | 0.03 | c | 0.02 | 9999.00 | z | 9999.00 | z | 0.01 | 0.45 | ||||||
1995 | 0.03 | 0.02 | 0.02 | c | 0.02 | 9999.00 | z | 0.02 | 0.01 | 0.02 | 0.02 | 9999.00 | z | 0.02 | 0.01 | 0.03 | ||||||||||
1996 | 0.04 | 0.01 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 | a | 0.02 | 0.02 | 0.05 | 0.40 | 0.65 | 0.65 | ||||||||||||
1997 | 0.30 | 0.50 | 0.00 | 0.02 | d | 0.02 | a | 0.01 | 0.24 | 0.30 | 0.08 | 9999.00 | z | 9999.00 | z | 0.04 | 0.50 | |||||||||
1998 | 0.32 | 0.26 | 0.68 | 0.28 | 0.12 | l | 0.11 | A | 0.22 | A | 0.46 | A | 0.58 | 1.23 | 0.44 | 0.25 | 1.23 | |||||||||
1999 | 0.80 | 0.22 | 0.30 | 1.26 | 0.44 | 1.50 | 3.13 | 0.85 | 0.40 | 0.21 | 0.20 | 0.38 | 3.13 | |||||||||||||
2000 | 0.55 | 0.30 | 0.65 | 0.15 | 1.03 | 0.54 | 0.69 | 0.53 | 0.49 | 0.76 | 0.34 | 0.34 | 1.03 | |||||||||||||
2001 | 0.21 | 0.54 | 0.48 | 0.51 | 0.59 | 0.31 | 0.65 | 1.35 | 0.30 | 0.55 | 1.16 | A | 0.19 | 1.35 | ||||||||||||
2002 | 0.06 | 0.22 | 0.44 | 0.35 | 0.31 | A | 0.06 | d | 0.41 | 0.60 | 0.65 | 0.35 | 1.07 | 0.27 | 1.07 | |||||||||||
2003 | 0.17 | 0.38 | 0.42 | 0.24 | 0.39 | 0.15 | 0.34 | 0.83 | 2.21 | A | 0.89 | 0.47 | 0.54 | a | 0.89 | |||||||||||
2004 | 0.42 | 0.38 | 0.23 | 0.51 | 0.02 | 0.19 | 0.36 | 0.36 | 0.88 | 0.24 | 0.61 | 0.30 | 0.88 | |||||||||||||
2005 | 0.30 | 0.32 | 0.52 | 0.35 | 0.33 | 0.41 | 0.86 | 0.49 | 0.91 | 1.05 | 0.30 | 0.56 | 1.05 | |||||||||||||
2006 | 0.50 | 0.70 | 0.44 | 0.17 | 0.10 | 0.60 | 0.77 | 0.67 | 0.55 | 0.62 | 0.32 | 0.52 | 0.77 | |||||||||||||
2007 | 0.53 | 0.34 | 0.27 | 0.75 | 0.52 | 0.48 | 0.42 | 0.38 | 0.77 | 0.42 | 0.54 | 0.90 | 0.90 | |||||||||||||
2008 | 0.42 | 0.27 | 0.38 | 0.50 | 0.36 | 0.14 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.50 | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.38 | 0.38 | 0.41 | 0.42 | 0.32 | 0.26 | 0.48 | 0.45 | 0.42 | 0.41 | 0.45 | 0.40 | 0.93 | |||||||||||||
S.D. | 0.27 | 0.21 | 0.23 | 0.41 | 0.23 | 0.24 | 0.50 | 0.34 | 0.40 | 0.33 | 0.34 | 0.21 | 0.52 | |||||||||||||
SKEW | 1.45 | 0.17 | -0.15 | 2.29 | 0.88 | 2.32 | 3.20 | 2.05 | 2.41 | 1.13 | 2.01 | -0.12 | 2.35 | |||||||||||||
MAX | 1.50 | 0.85 | 0.90 | 2.04 | 1.03 | 1.50 | 3.13 | 1.93 | 2.21 | 1.30 | 1.95 | 0.90 | 3.13 | |||||||||||||
MIN | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | |||||||||||||
NO YRS | 55 | 58 | 55 | 58 | 54 | 57 | 57 | 60 | 60 | 58 | 55 | 58 | 39 |