YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.66 | 0.70 | 0.72 | 1.20 | 0.45 | 0.45 | ----- | z | ||||||
1948 | 0.60 | 1.50 | a | 0.85 | 1.00 | 0.20 | 0.60 | 1.25 | 0.40 | 0.29 | 0.01 | 0.15 | 0.25 | 1.50 | a | |||||||||||
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 | ----- | z | ----- | z | |||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | q | 0.08 | 0.40 | 0.00 | 0.10 | 0.35 | 0.43 | ----- | z | ||||||
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 | d | |||||||||||
1957 | 1.39 | j | 0.22 | 0.60 | a | 0.79 | 0.77 | 0.08 | 1.90 | a | 1.93 | 0.00 | 0.65 | 1.30 | f | 0.43 | 1.93 | r | ||||||||
1958 | 0.86 | d | 0.80 | 0.75 | 0.35 | 0.00 | 0.00 | 0.18 | 0.90 | 0.60 | 0.50 | 0.50 | 0.39 | 0.90 | d | |||||||||||
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 | a | |||||||||||
1960 | ----- | z | 0.60 | 0.90 | 0.90 | 0.30 | 0.32 | 0.80 | 0.14 | 0.30 | 0.21 | 0.55 | 0.80 | ----- | z | |||||||||||
1961 | 0.95 | 0.73 | 0.59 | 1.07 | 0.22 | 0.00 | 0.37 | 0.40 | 0.30 | 0.50 | 0.35 | 0.25 | 1.07 | |||||||||||||
1962 | 0.16 | 0.70 | 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 | ----- | z | 0.32 | 0.28 | 0.55 | 0.63 | 0.32 | ----- | z | |||||||||||
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 | ----- | z | 0.29 | 0.60 | 0.62 | ----- | z | 0.67 | ----- | z | ||||||||||
1973 | ----- | z | 0.22 | 0.43 | 0.72 | 0.83 | 0.52 | 0.42 | 0.32 | 0.49 | 0.42 | 0.43 | 0.72 | ----- | z | |||||||||||
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 | 0.63 | 0.59 | 0.68 | b | |||||||||||
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 | a | 0.63 | 0.37 | 0.55 | 0.39 | b | 0.43 | 0.23 | 0.32 | 0.32 | 0.39 | 0.52 | 0.63 | c | ||||||||||
1980 | 0.42 | 0.39 | 0.59 | 0.55 | 0.37 | 0.00 | 0.74 | k | 0.39 | 0.40 | 0.32 | 0.26 | 0.51 | 0.74 | k | |||||||||||
1981 | 0.41 | 0.35 | 0.45 | 0.18 | 0.45 | 0.35 | 0.43 | 0.50 | 0.30 | 0.39 | 0.37 | a | 0.61 | 0.61 | a | |||||||||||
1982 | 0.52 | 0.46 | 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 | c | 0.45 | 0.49 | d | 0.32 | 0.49 | 0.37 | 0.42 | 0.32 | 0.22 | 0.19 | 0.42 | 0.45 | 0.49 | g | ||||||||||
1984 | 0.41 | 0.29 | 0.20 | 0.57 | 0.40 | 0.43 | 0.42 | 0.48 | 0.23 | a | 0.59 | 0.62 | b | 0.22 | 0.62 | c | ||||||||||
1985 | 0.51 | 0.42 | ----- | z | ----- | z | 0.30 | 0.10 | 1.70 | 0.35 | 0.63 | 0.32 | ----- | z | 0.32 | ----- | z | |||||||||
1986 | 0.22 | 0.40 | 0.59 | d | 0.19 | e | 0.22 | 0.45 | 0.24 | 0.24 | 0.23 | 0.24 | 0.35 | 0.49 | 0.59 | i | ||||||||||
1987 | 0.47 | 0.52 | 0.16 | 0.22 | ----- | z | ----- | z | 0.22 | 0.45 | 0.18 | 0.22 | 0.28 | a | 0.10 | ----- | z | |||||||||
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 | f | ||||||||
1989 | 0.58 | 0.45 | ----- | z | 0.40 | 0.00 | 0.17 | 0.40 | 0.45 | 0.15 | 0.08 | a | 0.00 | d | 0.29 | ----- | z | |||||||||
1990 | 0.42 | 0.39 | 0.30 | 0.45 | ----- | z | 0.12 | 0.40 | 0.35 | 0.39 | 0.25 | 0.42 | 0.35 | ----- | z | |||||||||||
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 | 0.35 | b | 0.45 | f | |||||||||
1992 | 0.19 | a | 0.28 | 0.38 | k | 0.20 | 0.45 | 0.21 | 0.29 | 0.22 | 0.25 | 0.18 | ----- | z | ----- | z | ----- | z | ||||||||
1993 | ----- | z | 0.64 | 0.06 | 0.02 | 0.03 | b | 0.02 | 0.00 | 0.30 | ----- | z | 0.25 | ----- | z | 0.14 | w | ----- | z | |||||||
1994 | 0.03 | 0.38 | u | ----- | z | 0.04 | b | ----- | z | 0.45 | 0.01 | 0.03 | c | 0.02 | ----- | z | 0.02 | v | 0.01 | ----- | z | |||||
1995 | 0.03 | 0.02 | 0.04 | b | 0.02 | 0.02 | r | 0.02 | 0.01 | 0.02 | 0.02 | 0.01 | 0.02 | 0.01 | 0.04 | t | ||||||||||
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 | a | |||||||||||
1997 | 0.30 | 0.50 | 0.00 | 0.02 | 0.02 | 0.01 | 0.24 | 0.30 | 0.08 | 0.02 | 0.01 | a | 0.04 | 0.50 | a | |||||||||||
1998 | 0.32 | 0.26 | 0.68 | 0.28 | 0.12 | k | 0.11 | x | 0.22 | i | 0.46 | k | 0.58 | 1.23 | 0.44 | 0.25 | ----- | z | ||||||||
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 | 0.12 | f | 0.19 | 1.35 | f | |||||||||||
2002 | 0.06 | 0.22 | 0.44 | 0.35 | 0.31 | f | 0.06 | d | 0.41 | 0.60 | 0.65 | 0.35 | 1.07 | 0.27 | 1.07 | j | ||||||||||
2003 | 0.17 | 0.38 | 0.42 | 0.24 | 0.39 | 0.15 | 0.34 | 0.83 | 2.21 | b | 0.89 | 0.47 | 0.54 | 2.21 | b | |||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.39 | 0.40 | 0.41 | 0.43 | 0.31 | 0.27 | 0.49 | 0.45 | 0.42 | 0.40 | 0.41 | 0.40 | 1.00 | |||||||||||||
S.D. | 0.27 | 0.26 | 0.24 | 0.41 | 0.24 | 0.25 | 0.51 | 0.34 | 0.40 | 0.33 | 0.32 | 0.21 | 0.57 | |||||||||||||
SKEW | 1.41 | 1.30 | -0.07 | 2.17 | 0.88 | 2.21 | 3.03 | 2.05 | 2.41 | 1.12 | 2.29 | -0.12 | 1.90 | |||||||||||||
MAX | 1.50 | 1.50 | 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 | |||||||||||||
YRS | 56 | 59 | 56 | 59 | 54 | 58 | 57 | 60 | 60 | 60 | 54 | 58 | 37 |