YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | 9999.00 | z | 0.00 | q | 0.03 | 0.18 | 0.84 | 0.37 | 0.13 | 1.20 | 0.00 | e | 0.25 | 0.00 | 0.12 | 1.20 | ||||||||||
1956 | 0.27 | 0.01 | 0.20 | d | 0.00 | l | 0.90 | 0.18 | 1.22 | 0.48 | 0.00 | 0.00 | f | 0.74 | A | 0.00 | 1.22 | |||||||||
1957 | 0.06 | h | 0.18 | 0.18 | 1.10 | 1.02 | A | 1.72 | 1.00 | 0.35 | g | 0.66 | 0.13 | b | 0.35 | g | 0.00 | 1.72 | ||||||||
1958 | 0.27 | 0.03 | u | 0.25 | 0.43 | 2.20 | 0.92 | 1.65 | 0.87 | 0.44 | 0.11 | 0.19 | 0.02 | 2.20 | ||||||||||||
1959 | 0.15 | 0.07 | 0.03 | 0.14 | 0.55 | 1.98 | 1.25 | 1.02 | 0.26 | 0.79 | 0.00 | 9999.00 | z | 1.98 | ||||||||||||
1960 | 9999.00 | z | 9999.00 | z | 0.06 | 0.92 | 0.32 | 1.09 | 0.81 | 0.04 | 0.56 | 0.76 | 0.11 | 0.50 | 1.09 | |||||||||||
1961 | 0.00 | 0.37 | 0.33 | A | 0.21 | A | 0.66 | 1.43 | 1.35 | 2.24 | 0.66 | 0.57 | 0.42 | 0.14 | A | 2.24 | ||||||||||
1962 | 0.31 | 0.02 | 0.20 | 0.38 | a | 1.81 | 1.39 | 0.50 | 0.19 | 0.86 | 0.22 | 0.21 | 0.00 | 1.81 | ||||||||||||
1963 | 0.14 | 0.00 | 0.43 | 0.00 | 0.49 | 0.38 | 9999.00 | z | 0.41 | 0.36 | 0.00 | 9999.00 | z | 0.10 | 0.49 | |||||||||||
1964 | 0.00 | 0.03 | a | 0.00 | 0.40 | 4.00 | 0.15 | 1.03 | 0.25 | 0.38 | 0.00 | 0.13 | 0.07 | 4.00 | ||||||||||||
1965 | 0.08 | 0.05 | 1.90 | 0.02 | 2.20 | 1.62 | 0.60 | 1.28 | 0.76 | 1.04 | 0.00 | 0.34 | 2.20 | |||||||||||||
1966 | 0.40 | 0.34 | 9999.00 | z | 0.62 | 0.18 | 0.40 | 1.52 | 0.48 | 0.94 | 0.26 | 0.00 | 0.15 | 1.52 | ||||||||||||
1967 | 0.08 | 0.00 | 0.00 | 0.10 | 1.27 | 3.25 | 1.52 | 1.83 | 0.95 | 0.05 | 0.12 | 0.01 | 3.25 | |||||||||||||
1968 | 0.00 | 0.10 | 9999.00 | z | 0.22 | 0.76 | 0.66 | 0.77 | 2.61 | 0.10 | 9999.00 | z | 0.00 | 0.08 | 2.61 | |||||||||||
1969 | 9999.00 | z | 0.00 | 0.36 | 0.83 | 0.63 | 0.80 | 3.50 | 0.66 | 3.15 | 0.56 | 0.00 | 0.00 | 3.50 | ||||||||||||
1970 | 0.00 | 0.00 | 0.33 | 0.25 | z | 0.74 | 1.25 | 1.35 | 0.75 | 0.39 | 0.21 | 0.01 | 0.00 | 1.35 | ||||||||||||
1971 | 0.13 | 0.31 | 0.03 | 0.77 | 1.84 | 1.00 | 0.77 | 9999.00 | z | 0.22 | 9999.00 | z | 0.95 | 0.12 | 1.84 | |||||||||||
1972 | 0.15 | 0.05 | 0.02 | 0.41 | 0.45 | 0.45 | 1.74 | 1.24 | 0.40 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.74 | ||||||||||
1973 | 0.06 | 0.00 | 0.54 | 9999.00 | z | 1.11 | 0.37 | 9999.00 | z | 0.90 | 0.74 | 0.56 | 0.18 | 0.12 | 1.11 | |||||||||||
1974 | 0.02 | 0.00 | 0.78 | 0.12 | 1.46 | 1.24 | 9999.00 | z | 0.66 | 9999.00 | z | 1.37 | 0.17 | 0.28 | 1.46 | |||||||||||
1975 | 0.28 | 9999.00 | z | 0.20 | 9999.00 | z | 0.83 | 9999.00 | z | 0.80 | 0.29 | 9999.00 | z | 0.00 | 0.45 | A | 9999.00 | z | 0.83 | |||||||
1976 | 0.03 | 9999.00 | z | 0.12 | 0.49 | 1.13 | 0.06 | 0.56 | 0.84 | 0.44 | 9999.00 | z | 0.07 | 9999.00 | z | 1.13 | ||||||||||
1977 | 0.15 | 0.00 | 9999.00 | z | 0.75 | 2.00 | 0.29 | 0.64 | 0.43 | 0.00 | 0.00 | 0.55 | 0.00 | 2.00 | ||||||||||||
1978 | 0.14 | 0.50 | 9999.00 | z | 0.70 | 1.44 | 1.00 | 0.14 | 1.54 | 0.00 | 0.22 | 0.51 | 0.09 | 1.54 | ||||||||||||
1979 | 0.38 | 0.00 | 0.84 | 0.25 | 0.51 | 0.84 | 1.07 | 1.00 | 0.04 | 0.58 | 0.00 | b | 0.36 | 1.07 | ||||||||||||
1980 | 0.04 | b | 0.06 | 0.82 | A | 1.40 | 1.04 | 0.10 | 0.54 | 0.50 | 0.53 | 0.00 | 0.25 | 0.00 | 1.40 | |||||||||||
1981 | 0.06 | 0.00 | 1.05 | 0.14 | 0.35 | 0.13 | 0.66 | 0.40 | 0.90 | 1.60 | 0.24 | 0.10 | 1.60 | |||||||||||||
1982 | 0.04 | 9999.00 | z | 9999.00 | z | 0.50 | 1.85 | 1.90 | 1.23 | 0.63 | 1.00 | 0.94 | 0.44 | 0.76 | 1.90 | |||||||||||
1983 | 0.24 | 0.12 | 0.30 | 1.20 | 1.25 | b | 1.84 | 0.97 | 0.63 | 0.51 | 0.14 | 0.15 | b | 0.05 | 1.84 | |||||||||||
1984 | 0.03 | 0.65 | 0.40 | 0.82 | 0.44 | 1.00 | 0.88 | 0.18 | 0.25 | 1.58 | 0.00 | 0.02 | 1.58 | |||||||||||||
1985 | 0.25 | 0.00 | 0.10 | 1.05 | 1.35 | 0.65 | 1.90 | 0.52 | 0.52 | 0.90 | 0.25 | b | 0.04 | 1.90 | ||||||||||||
1986 | 0.00 | 0.20 | 0.25 | 0.35 | 0.10 | 0.75 | 0.32 | 0.98 | 0.36 | 0.78 | 0.32 | 0.24 | 0.98 | |||||||||||||
1987 | 0.15 | 0.40 | 0.36 | 0.00 | 2.00 | 1.35 | 1.90 | 0.65 | 0.80 | 0.00 | 0.35 | 0.35 | A | 2.00 | ||||||||||||
1988 | 0.40 | 9999.00 | z | 0.05 | 0.30 | 0.65 | 1.10 | 2.36 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 2.36 | |||||||
1989 | 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 | 0.00 | 0.02 | 0.02 | |||
1990 | 0.60 | 0.65 | a | 0.20 | 0.20 | b | 0.50 | 0.30 | 0.90 | 0.50 | 0.40 | 0.01 | b | 0.35 | 9999.00 | z | 0.90 | |||||||||
1991 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.93 | 1.56 | 0.04 | 0.90 | 0.55 | a | 1.56 | |||||
1992 | 0.02 | 0.36 | 0.64 | 0.00 | 0.30 | 0.81 | 1.24 | 1.10 | 0.10 | 0.31 | 0.43 | 0.03 | 1.24 | |||||||||||||
1993 | 0.01 | b | 0.17 | 0.66 | 0.60 | A | 0.66 | 0.68 | 0.74 | 2.15 | 0.15 | 1.70 | A | 0.45 | 0.01 | 2.15 | ||||||||||
1994 | 0.18 | 0.01 | 0.40 | 0.86 | 0.50 | 0.78 | 0.37 | 1.46 | 0.27 | 1.87 | 0.65 | 0.10 | 1.87 | |||||||||||||
1995 | 0.42 | 0.13 | a | 0.26 | a | 1.38 | 1.48 | 2.90 | A | 0.53 | 0.45 | 0.27 | 0.12 | 0.00 | 0.00 | 1.48 | ||||||||||
1996 | 0.01 | 0.02 | 1.54 | 0.27 | a | 2.55 | 0.43 | 1.40 | 1.13 | 0.33 | 0.20 | 0.03 | 0.05 | 2.55 | ||||||||||||
1997 | 0.01 | 0.20 | 0.00 | 0.39 | 0.24 | 1.86 | 1.37 | 2.74 | 0.88 | 1.18 | A | 0.01 | 0.52 | 2.74 | ||||||||||||
1998 | 0.00 | 0.18 | 0.52 | 0.94 | 0.69 | 1.42 | 1.92 | 0.92 | 0.15 | 0.19 | 1.14 | 0.06 | 1.92 | |||||||||||||
1999 | 0.41 | 0.14 | 0.29 | 9999.00 | z | 9999.00 | z | 1.55 | 0.35 | 1.17 | 0.39 | 0.02 | 0.01 | 0.00 | 1.55 | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.15 | 0.15 | 0.39 | 0.51 | 1.08 | 1.01 | 1.09 | 0.93 | 0.53 | 0.51 | 0.26 | 0.14 | 1.97 | |||||||||||||
S.D. | 0.16 | 0.18 | 0.42 | 0.39 | 0.78 | 0.72 | 0.66 | 0.64 | 0.54 | 0.55 | 0.29 | 0.19 | 0.77 | |||||||||||||
SKEW | 0.98 | 1.37 | 1.90 | 0.63 | 1.47 | 1.05 | 1.31 | 1.22 | 2.96 | 1.04 | 1.25 | 1.71 | 1.17 | |||||||||||||
MAX | 0.60 | 0.65 | 1.90 | 1.40 | 4.00 | 3.25 | 3.50 | 2.74 | 3.15 | 1.87 | 1.14 | 0.76 | 4.00 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.06 | 0.13 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.98 | |||||||||||||
NO YRS | 39 | 36 | 37 | 38 | 42 | 42 | 40 | 41 | 41 | 38 | 41 | 39 | 18 |