YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | ----- | z | ----- | z | 0.76 | 0.51 | 1.82 | 0.10 | 0.97 | 2.56 | 0.62 | 2.31 | 0.54 | 0.00 | 10.19 | b | ||||||||||
1958 | 0.66 | 0.00 | 1.72 | 1.02 | 1.47 | 0.53 | 2.53 | 3.38 | 3.62 | 0.84 | 0.00 | 0.42 | 16.19 | |||||||||||||
1959 | 0.05 | 0.00 | 0.00 | 1.28 | 1.12 | 1.81 | 3.03 | k | 2.37 | i | 0.00 | 0.94 | 0.00 | 1.18 | b | 6.38 | b | |||||||||
1960 | 0.41 | 0.00 | 0.12 | 0.00 | 0.80 | 2.45 | 5.56 | 0.44 | 1.21 | 3.05 | 0.00 | 1.34 | 15.38 | |||||||||||||
1961 | 0.39 | 0.00 | 0.44 | 1.08 | b | 0.42 | 1.75 | 2.02 | ----- | z | ----- | z | 0.45 | ----- | z | ----- | z | 6.55 | d | |||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.52 | 0.39 | 2.27 | 0.98 | 1.03 | 0.00 | 0.14 | 6.33 | e | |||||||
1964 | 0.00 | 0.31 | 0.50 | 0.13 | 0.44 | 0.42 | 0.80 | 0.35 | 1.15 | 0.00 | 0.00 | 0.07 | 4.17 | |||||||||||||
1965 | 0.00 | 0.10 | 0.05 | 0.59 | 2.49 | 3.07 | 0.65 | 1.72 | 2.77 | 0.30 | 0.00 | 0.32 | 12.06 | |||||||||||||
1966 | 0.26 | 0.00 | 0.08 | 0.15 | 1.21 | 1.77 | 2.80 | 3.67 | 0.42 | 0.00 | 0.00 | 0.36 | 10.72 | |||||||||||||
1967 | 0.00 | 0.14 | 0.33 | 0.00 | 0.27 | 1.25 | 2.02 | 1.84 | 1.43 | 0.10 | 0.33 | 0.22 | 7.93 | |||||||||||||
1968 | 0.41 | 0.52 | 1.30 | 0.15 | 0.31 | 0.30 | 4.47 | 2.19 | 0.41 | 1.08 | 0.85 | 0.00 | 11.99 | |||||||||||||
1969 | 0.05 | 0.73 | 0.72 | 0.34 | 0.27 | 1.42 | 2.86 | 0.72 | h | 4.14 | 2.30 | 0.00 | 0.37 | 13.20 | a | |||||||||||
1970 | 0.00 | 0.10 | 0.18 | 0.06 | 0.62 | 0.82 | 1.48 | 1.20 | 0.36 | 0.54 | 0.05 | 0.00 | 5.41 | |||||||||||||
1971 | 0.47 | 0.03 | 0.20 | 0.14 | 0.44 | 0.48 | 2.28 | a | 1.24 | j | 2.47 | 0.88 | 0.53 | 0.39 | 8.31 | a | ||||||||||
1972 | 0.00 | 0.10 | 0.00 | 0.00 | 0.42 | 2.10 | 0.94 | f | 2.55 | i | 4.17 | c | 2.54 | 0.90 | f | 0.18 | 9.51 | c | ||||||||
1973 | 0.27 | 0.46 | 0.47 | 0.27 | 0.71 | 0.91 | 1.95 | 0.59 | 1.40 | 0.04 | 0.00 | 0.00 | 7.07 | |||||||||||||
1974 | 0.31 | 0.17 | 0.09 | 0.39 | ----- | z | ----- | z | ----- | z | 1.28 | m | 4.07 | 4.08 | 0.20 | 0.56 | 9.87 | d | ||||||||
1975 | 0.83 | 1.17 | 0.75 | 0.50 | 0.08 | 0.59 | 3.14 | 2.08 | 2.61 | 0.00 | 0.40 | 0.06 | 12.21 | |||||||||||||
1976 | 0.25 | 0.03 | 0.07 | 1.40 | 1.60 | 0.38 | 2.11 | 2.40 | 1.22 | 0.32 | 0.19 | b | 0.00 | 9.97 | ||||||||||||
1977 | 0.20 | 0.80 | 0.43 | 1.96 | 1.20 | 0.30 | 1.20 | 3.54 | 1.61 | 0.82 | 0.76 | 0.16 | 12.98 | |||||||||||||
1978 | 0.44 | 0.40 | 0.69 | 0.32 | 2.06 | 2.05 | 0.65 | 1.91 | 1.13 | 1.95 | 2.46 | 0.34 | a | 14.40 | ||||||||||||
1979 | 0.55 | 0.43 | 0.32 | 1.68 | 0.74 | 3.98 | 1.37 | 2.66 | 0.95 | 1.37 | 0.32 | a | 0.44 | 14.81 | ||||||||||||
1980 | 0.08 | 0.50 | h | 0.00 | 0.40 | 1.40 | 1.02 | 0.29 | 1.70 | 3.57 | 0.07 | 0.30 | 0.12 | 8.95 | a | |||||||||||
1981 | 0.22 | 0.09 | 0.30 | 0.46 | 1.79 | 3.32 | 2.62 | 3.00 | 0.87 | 1.20 | 0.29 | 0.02 | 14.18 | |||||||||||||
1982 | 0.52 | 0.18 | e | 0.35 | 0.00 | 0.38 | 0.23 | 1.41 | 2.50 | 5.53 | 0.20 | 0.50 | 0.83 | b | 12.63 | |||||||||||
1983 | 0.84 | 0.31 | 1.24 | 1.15 | a | 0.81 | 2.66 | 1.15 | a | 0.10 | 1.25 | 1.55 | 0.82 | 0.43 | 12.31 | |||||||||||
1984 | 0.54 | 0.03 | 0.59 | 0.14 | 1.65 | 2.55 | 0.66 | 4.42 | a | 1.83 | c | 2.49 | a | 1.30 | 1.96 | 18.16 | ||||||||||
1985 | 1.38 | 0.65 | 0.89 | 2.66 | 0.90 | 2.20 | 2.21 | 1.16 | 1.33 | a | 4.25 | 0.00 | 0.22 | 17.85 | ||||||||||||
1986 | 0.78 | 1.77 | a | 0.77 | 0.00 | 1.24 | b | 3.37 | h | 1.22 | 3.37 | 3.25 | 2.74 | 3.42 | a | 1.69 | a | 20.25 | a | |||||||
1987 | 0.80 | 1.35 | a | 0.58 | 0.76 | 2.70 | 2.82 | 0.06 | 3.38 | 0.42 | 0.35 | 0.36 | 0.90 | 14.48 | ||||||||||||
1988 | 0.32 | a | 1.28 | 0.50 | a | 1.75 | a | 1.21 | 1.49 | 2.37 | c | 1.53 | 2.23 | 0.27 | 0.32 | 1.25 | b | 14.52 | ||||||||
1989 | 0.21 | 0.39 | 0.39 | 0.37 | 0.49 | 0.57 | 2.19 | a | 3.92 | d | 0.46 | 0.15 | 0.00 | 0.18 | 9.32 | |||||||||||
1990 | 0.40 | 0.24 | 1.18 | 0.83 | a | 0.33 | 0.17 | 3.93 | 2.77 | 1.54 | b | 0.02 | 0.29 | a | 0.38 | 12.08 | ||||||||||
1991 | 0.63 | a | 0.10 | 0.20 | 0.00 | 0.91 | 0.15 | 6.15 | a | 2.93 | a | 1.16 | 0.20 | 1.36 | 2.43 | 16.22 | ||||||||||
1992 | 1.00 | 0.09 | 0.20 | 1.43 | 6.69 | 1.33 | b | 1.07 | 2.02 | 0.19 | 0.48 | 0.30 | 0.85 | 15.65 | ||||||||||||
1993 | 0.84 | 0.00 | d | 0.27 | 0.20 | 0.89 | 0.92 | a | 0.73 | 3.89 | a | 0.26 | 0.58 | 0.81 | 0.00 | 9.39 | ||||||||||
1994 | 0.10 | 0.00 | 1.30 | a | 0.11 | a | 5.72 | 0.00 | 3.09 | 2.14 | a | 1.77 | 1.12 | 0.72 | 0.68 | 16.75 | ||||||||||
1995 | 0.02 | 0.14 | 0.24 | b | 0.26 | 0.66 | a | 1.11 | 0.89 | 0.21 | 3.29 | 0.00 | 0.20 | 0.30 | 7.32 | |||||||||||
1996 | 0.00 | 0.85 | 0.03 | 0.03 | 0.00 | 3.63 | b | 4.67 | 1.64 | 3.20 | 0.54 | a | 0.07 | 0.00 | 14.66 | |||||||||||
1997 | 1.40 | f | 0.99 | 0.25 | b | 3.66 | a | 2.27 | 4.14 | b | 2.46 | e | 1.42 | e | 2.78 | 0.48 | a | 0.54 | c | 3.30 | 22.29 | a | ||||
1998 | 0.10 | 0.52 | a | 2.17 | a | 0.72 | 0.11 | 0.33 | 2.32 | a | 1.44 | d | 1.16 | 5.26 | c | 0.54 | 0.88 | 15.55 | ||||||||
1999 | 0.71 | 0.00 | a | 0.80 | 2.96 | 1.36 | 3.23 | 0.42 | d | 1.73 | a | 1.99 | c | 1.37 | d | 0.00 | 0.80 | 15.37 | ||||||||
2000 | 0.00 | 0.00 | 2.74 | 0.69 | 0.00 | 2.14 | b | 1.00 | j | 0.50 | 0.46 | 4.56 | 0.94 | c | 1.00 | 13.03 | a | |||||||||
2001 | 1.02 | 0.70 | 0.02 | 0.07 | 0.44 | i | 0.71 | 0.71 | 2.89 | 1.12 | 0.62 | 1.40 | g | 0.20 | 8.06 | b | ||||||||||
2002 | 0.50 | 0.35 | 0.64 | b | 0.00 | 0.00 | 0.14 | ----- | z | 1.71 | 4.51 | 1.37 | a | 0.00 | e | 0.84 | a | 10.06 | a | |||||||
2003 | 0.00 | 0.35 | 0.10 | 0.04 | 0.16 | 0.92 | 0.00 | 1.50 | 0.65 | 1.60 | b | 0.52 | c | 0.00 | h | 5.84 | a | |||||||||
2004 | 0.03 | b | 1.97 | 0.38 | d | 3.01 | b | 0.08 | b | 1.58 | b | 1.80 | h | 2.33 | 0.69 | b | 2.51 | c | 1.43 | 0.60 | d | 14.61 | a | |||
2005 | 1.02 | 1.02 | 0.57 | 0.33 | 0.94 | 0.71 | 0.96 | 2.94 | 1.80 | 1.84 | f | 0.00 | 0.00 | 10.29 | a | |||||||||||
2006 | 0.05 | 0.00 | 0.01 | e | 0.51 | 0.00 | a | 0.31 | 2.72 | o | 4.87 | 2.35 | 2.69 | d | 0.25 | 1.14 | 12.18 | a | ||||||||
2007 | 0.90 | 0.12 | 1.44 | 0.42 | 1.61 | c | 2.72 | 2.13 | 1.84 | b | 2.11 | 0.35 | 0.10 | 0.74 | 14.48 | |||||||||||
2008 | 0.05 | 0.00 | 0.45 | a | 0.13 | 1.21 | 0.35 | 4.21 | 2.35 | 0.36 | 1.54 | 0.02 | 0.10 | 10.77 | ||||||||||||
2009 | 0.05 | 0.00 | 0.10 | 0.00 | 1.20 | a | ----- | z | 3.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.66 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.38 | 0.39 | 0.55 | 0.69 | 1.13 | 1.42 | 2.01 | 2.20 | 1.78 | 1.27 | 0.46 | 0.58 | 12.64 | |||||||||||||
S.D. | 0.36 | 0.48 | 0.57 | 0.87 | 1.26 | 1.14 | 1.44 | 1.12 | 1.32 | 1.31 | 0.65 | 0.67 | 3.54 | |||||||||||||
SKEW | 0.74 | 1.56 | 1.82 | 1.78 | 2.76 | 0.72 | 0.95 | 0.16 | 0.88 | 1.31 | 2.68 | 2.00 | -0.65 | |||||||||||||
MAX | 1.38 | 1.97 | 2.74 | 3.66 | 6.69 | 4.14 | 6.15 | 4.87 | 5.53 | 5.26 | 3.42 | 3.30 | 18.16 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 4.17 | |||||||||||||
YRS | 49 | 49 | 51 | 51 | 49 | 49 | 45 | 45 | 50 | 50 | 48 | 49 | 33 |