YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.50 | l | ----- | z |
1958 | 0.66 | 1.10 | 1.30 | 1.30 | 1.08 | 0.60 | 0.37 | 0.43 | 2.70 | 1.10 | 1.30 | 0.37 | 2.70 | |||||||||||||
1959 | 0.26 | 2.35 | 0.52 | 1.18 | 0.48 | 0.43 | 0.70 | 1.53 | 2.13 | 2.90 | 0.95 | 2.60 | 2.90 | |||||||||||||
1960 | 1.32 | 0.86 | 1.54 | 0.94 | 0.75 | 0.29 | 0.86 | 0.50 | 0.52 | 2.46 | 1.10 | 0.91 | 2.46 | |||||||||||||
1961 | 0.59 | 0.87 | 1.72 | 1.84 | 0.47 | 0.42 | 0.35 | 1.06 | 1.01 | 2.09 | 0.80 | 1.21 | 2.09 | |||||||||||||
1962 | 0.81 | 2.13 | 0.74 | 0.44 | 0.42 | 0.12 | 0.27 | 0.54 | 0.79 | 1.36 | 1.03 | 0.68 | 2.13 | |||||||||||||
1963 | 1.62 | 0.79 | 0.67 | 0.92 | 0.35 | 0.34 | 0.90 | 0.66 | 0.92 | 0.63 | 0.79 | 0.76 | 1.62 | |||||||||||||
1964 | 0.75 | 0.45 | 1.33 | 0.90 | 0.30 | 0.25 | 0.64 | 0.95 | 0.76 | 0.00 | 1.34 | 2.29 | 2.29 | |||||||||||||
1965 | 2.71 | 0.97 | 1.04 | 0.84 | 0.65 | 0.64 | 1.41 | 0.81 | 2.45 | 0.82 | 1.36 | 2.16 | 2.71 | |||||||||||||
1966 | 0.39 | 0.78 | 0.62 | 0.51 | 0.54 | 0.80 | 0.54 | 1.00 | 0.66 | 1.40 | 3.10 | 3.62 | 3.62 | |||||||||||||
1967 | 0.92 | 0.55 | 1.15 | 1.04 | 0.73 | 0.79 | 1.15 | 0.87 | 0.80 | 0.46 | 0.43 | 2.16 | 2.16 | |||||||||||||
1968 | 1.94 | 0.74 | 0.54 | 0.56 | 0.50 | 0.42 | 0.80 | 1.61 | 0.37 | 0.77 | 1.02 | 0.76 | 1.94 | |||||||||||||
1969 | 1.42 | 1.20 | 0.53 | 0.18 | 0.26 | 1.79 | 0.78 | 0.89 | 1.29 | 2.16 | 0.73 | 0.56 | 2.16 | |||||||||||||
1970 | 0.11 | 0.56 | 1.59 | 0.62 | 0.49 | 0.85 | 1.32 | 0.95 | 3.89 | 1.49 | 1.63 | 1.06 | 3.89 | |||||||||||||
1971 | 0.59 | 0.81 | 0.68 | 0.52 | 0.85 | 0.14 | 0.96 | 1.15 | 3.43 | 2.00 | 0.49 | 2.32 | 3.43 | |||||||||||||
1972 | 0.57 | 0.12 | 0.89 | 0.65 | 0.31 | 0.44 | 0.61 | 0.62 | 0.90 | 2.66 | 0.64 | 1.75 | 2.66 | |||||||||||||
1973 | 0.67 | 0.80 | ----- | z | 0.70 | 1.16 | 0.75 | 0.56 | 1.11 | 1.10 | 0.61 | 0.95 | 1.25 | ----- | z | |||||||||||
1974 | 1.23 | 0.35 | 0.74 | 0.58 | 0.00 | 0.63 | 0.73 | 0.46 | 0.48 | 0.87 | 0.65 | 0.70 | 1.23 | |||||||||||||
1975 | 1.50 | 0.66 | 1.40 | 0.80 | 0.53 | 1.44 | 2.38 | 0.63 | 0.83 | 0.64 | 1.29 | 1.29 | 2.38 | |||||||||||||
1976 | 0.24 | 2.09 | b | 1.85 | 0.66 | 1.45 | l | 0.17 | 0.73 | 0.40 | 1.65 | 0.20 | 0.40 | 0.08 | 2.09 | n | ||||||||||
1977 | 0.77 | 0.47 | 0.40 | 0.90 | ----- | z | ----- | z | ----- | z | ----- | z | 1.30 | 2.81 | ----- | z | ----- | z | ----- | z | ||||||
1978 | ----- | z | 0.70 | 1.30 | 0.85 | ----- | z | 0.30 | 0.42 | 0.04 | 1.80 | 1.00 | 1.60 | 4.10 | ----- | z | ||||||||||
1979 | 0.83 | 1.74 | 2.81 | 1.30 | 2.72 | 0.84 | 3.10 | 1.33 | f | 1.18 | 1.84 | 0.88 | 1.48 | 3.10 | f | |||||||||||
1980 | 2.31 | 2.22 | 1.33 | b | ----- | z | ----- | z | ----- | z | ----- | z | 1.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1981 | ----- | z | 0.02 | d | 0.88 | c | ----- | z | 0.65 | b | 2.02 | 1.00 | 0.67 | 0.90 | b | 2.20 | f | ----- | z | ----- | z | ----- | z | |||
1982 | 2.00 | r | 0.90 | g | 2.02 | k | 0.30 | b | 0.70 | q | 0.00 | 0.23 | 0.97 | 1.10 | a | 1.80 | a | 2.00 | d | 0.96 | ----- | z | ||||
1983 | 0.39 | 0.68 | 0.55 | 1.00 | 0.45 | 0.76 | 0.75 | 1.56 | 3.10 | 0.60 | 1.49 | 1.87 | 3.10 | |||||||||||||
1984 | 2.10 | 0.65 | 0.50 | 1.16 | 0.38 | 1.70 | 1.00 | 1.20 | 1.53 | 2.20 | 0.90 | ----- | z | ----- | z | |||||||||||
1985 | 0.75 | 0.63 | 2.25 | 1.20 | b | 0.95 | 0.45 | 2.40 | a | 0.40 | 2.25 | b | 1.87 | a | 1.78 | j | 0.58 | i | 2.40 | y | ||||||
1986 | 0.17 | 1.90 | e | 0.90 | 2.00 | a | 1.75 | a | 0.82 | 1.25 | 1.00 | 1.72 | 4.00 | 2.20 | 0.15 | 4.00 | g | |||||||||
1987 | 1.20 | 0.88 | 0.90 | 1.00 | 0.79 | 0.56 | 0.57 | a | 1.00 | 0.38 | 0.90 | 1.53 | 0.85 | 1.53 | a | |||||||||||
1988 | 1.00 | 1.20 | 1.25 | 0.75 | 0.75 | 0.30 | 0.78 | 0.70 | 1.51 | 0.30 | i | 1.30 | b | 1.27 | 1.51 | k | ||||||||||
1989 | 1.60 | a | 1.00 | 1.10 | 1.60 | 0.74 | 0.19 | 1.00 | 0.64 | 2.40 | 2.10 | 0.60 | a | 0.20 | 2.40 | b | ||||||||||
1990 | 0.72 | 1.04 | 1.35 | 1.55 | 1.13 | 0.68 | 0.79 | 1.05 | 2.00 | 1.29 | 1.19 | a | 1.50 | 2.00 | a | |||||||||||
1991 | 2.10 | 0.93 | 1.84 | 0.58 | 1.40 | 0.53 | 1.66 | 1.20 | 1.30 | 1.56 | 1.60 | 1.50 | 2.10 | |||||||||||||
1992 | 0.56 | 1.55 | a | 0.76 | 0.88 | a | 0.85 | 0.57 | 1.30 | 2.00 | 1.80 | 1.65 | 1.02 | 2.11 | 2.11 | b | ||||||||||
1993 | 1.67 | 3.14 | 0.96 | 1.38 | 1.15 | 0.50 | b | 0.66 | 5.42 | a | 1.00 | 1.25 | 1.83 | 1.31 | 5.42 | c | ||||||||||
1994 | 0.51 | 1.92 | 1.50 | 0.92 | 0.60 | 1.18 | a | 0.31 | 0.69 | 2.25 | 1.76 | a | 1.55 | 1.94 | 2.25 | b | ||||||||||
1995 | 0.95 | 3.00 | b | 3.05 | 0.66 | 0.75 | a | 1.31 | a | 2.67 | 4.03 | a | 1.80 | 0.05 | 0.77 | 0.63 | 4.03 | e | ||||||||
1996 | 1.43 | 0.96 | 1.29 | 0.97 | 0.07 | 0.82 | 1.00 | 0.81 | b | 0.73 | 1.03 | a | 1.72 | 0.85 | 1.72 | c | ||||||||||
1997 | 2.22 | 1.82 | 0.46 | 0.81 | 0.77 | 0.80 | n | 1.07 | b | 0.88 | 2.56 | 2.60 | 1.77 | 0.94 | 2.60 | p | ||||||||||
1998 | 0.79 | 0.85 | 1.83 | 0.75 | 0.32 | 0.25 | 0.65 | 0.88 | b | 0.47 | 2.65 | 2.85 | 1.08 | 2.85 | b | |||||||||||
1999 | 1.03 | 1.62 | 0.56 | 1.98 | 2.00 | 0.33 | a | 1.03 | 1.65 | c | 1.55 | 0.30 | 0.33 | 0.40 | 2.00 | d | ||||||||||
2000 | 0.95 | 1.19 | 1.38 | 0.44 | 0.63 | 0.58 | a | 0.64 | a | 0.83 | f | 0.76 | 1.65 | 1.46 | 0.96 | 1.65 | h | |||||||||
2001 | 1.32 | 1.60 | 1.23 | 2.55 | 0.63 | 0.46 | 1.85 | 0.75 | a | 0.19 | 0.45 | a | 1.06 | ----- | z | ----- | z | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.07 | 1.16 | 1.17 | 0.97 | 0.75 | 0.65 | 1.00 | 1.11 | 1.45 | 1.46 | 1.24 | 1.33 | 2.49 | |||||||||||||
S.D. | 0.64 | 0.71 | 0.60 | 0.49 | 0.52 | 0.46 | 0.65 | 0.94 | 0.87 | 0.90 | 0.61 | 0.89 | 0.84 | |||||||||||||
SKEW | 0.72 | 0.99 | 1.17 | 1.20 | 1.82 | 1.34 | 1.60 | 3.15 | 0.87 | 0.49 | 1.03 | 1.18 | 1.62 | |||||||||||||
MAX | 2.71 | 3.14 | 3.05 | 2.55 | 2.72 | 2.02 | 3.10 | 5.42 | 3.89 | 4.00 | 3.10 | 4.10 | 5.42 | |||||||||||||
MIN | 0.11 | 0.02 | 0.40 | 0.18 | 0.00 | 0.00 | 0.23 | 0.04 | 0.19 | 0.00 | 0.33 | 0.08 | 1.23 | |||||||||||||
YRS | 41 | 43 | 42 | 42 | 39 | 41 | 42 | 41 | 43 | 41 | 40 | 38 | 28 |