YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.47 | 0.23 | 0.18 | 0.72 | 0.42 | ----- | z | |||||
1948 | 0.05 | 0.75 | 0.24 | 0.00 | 0.00 | 0.00 | 1.55 | 0.46 | 1.05 | 0.63 | 0.05 | 0.84 | 1.55 | |||||||||||||
1949 | 0.47 | 0.47 | 0.30 | 0.09 | 0.00 | 0.61 | b | 2.07 | 0.51 | 0.40 | 0.69 | 0.03 | 1.07 | 2.07 | b | |||||||||||
1950 | 0.50 | 0.51 | 0.12 | 0.00 | 0.00 | 1.13 | 1.21 | 0.30 | 0.09 | 0.00 | 0.00 | 0.00 | 1.21 | |||||||||||||
1951 | 0.55 | 0.42 | 0.41 | 0.50 | 0.00 | 0.00 | 1.10 | 2.25 | 0.35 | 1.03 | 0.63 | 0.32 | 2.25 | |||||||||||||
1952 | 0.43 | 0.12 | 0.54 | 0.36 | 0.08 | 2.06 | 0.35 | 0.65 | 0.45 | 0.00 | 0.65 | 0.19 | 2.06 | |||||||||||||
1953 | 0.00 | 0.89 | 0.43 | 0.12 | 0.00 | 0.23 | 0.82 | 0.48 | 0.00 | 0.01 | 0.10 | 0.10 | 0.89 | |||||||||||||
1954 | 0.27 | 0.23 | 0.50 | 0.00 | 0.29 | 0.86 | 1.50 | 0.83 | 0.19 | 0.10 | 0.00 | 0.00 | 1.50 | |||||||||||||
1955 | 0.38 | 0.37 | 0.20 | 0.00 | 0.01 | 0.51 | 1.52 | 1.34 | 0.03 | 0.20 | 0.02 | 0.15 | 1.52 | |||||||||||||
1956 | 0.45 | 0.48 | 0.00 | 0.31 | 0.03 | 0.86 | 1.10 | 0.33 | 0.12 | 0.30 | 0.01 | 0.13 | 1.10 | |||||||||||||
1957 | 0.60 | 0.23 | 0.57 | 0.06 | 0.24 | 0.45 | 0.91 | 0.99 | 0.03 | 0.38 | 0.12 | 0.18 | 0.99 | |||||||||||||
1958 | 0.20 | 0.55 | 0.61 | 1.08 | 0.05 | 0.26 | 0.62 | 1.07 | 0.43 | 0.34 | 0.54 | 0.00 | 1.08 | |||||||||||||
1959 | 0.00 | 0.58 | 0.01 | 0.20 | 0.00 | 0.28 | 1.32 | 1.40 | 0.43 | 0.63 | 0.68 | 0.52 | 1.40 | |||||||||||||
1960 | 0.78 | 0.84 | 0.36 | 0.00 | 0.01 | 0.02 | 0.74 | 0.53 | 0.31 | 0.83 | 0.04 | 0.24 | 0.84 | |||||||||||||
1961 | 0.37 | 0.12 | 0.08 | 0.00 | 0.00 | 0.10 | 0.90 | 1.38 | 0.19 | 1.10 | 0.23 | 0.53 | 1.38 | |||||||||||||
1962 | 0.77 | 0.10 | 0.22 | 0.00 | 0.00 | 0.82 | 2.35 | 0.81 | 0.84 | 0.07 | 0.39 | 0.55 | 2.35 | |||||||||||||
1963 | 0.43 | 0.30 | 0.10 | 0.10 | 0.00 | 0.02 | 1.35 | 1.20 | 0.74 | 0.48 | 0.90 | 0.30 | 1.35 | |||||||||||||
1964 | 0.18 | 0.00 | 0.42 | 0.35 | 0.01 | 0.00 | 1.85 | 1.70 | 1.04 | 0.28 | 0.45 | 0.45 | 1.85 | |||||||||||||
1965 | 0.38 | 0.30 | 0.23 | 0.08 | 0.01 | 0.20 | 1.65 | 1.10 | 0.84 | 0.02 | 0.20 | 1.53 | 1.65 | |||||||||||||
1966 | 0.40 | 0.98 | 0.03 | 0.10 | 0.00 | 0.23 | 2.39 | 1.50 | 1.17 | 0.10 | 0.63 | 0.15 | 2.39 | |||||||||||||
1967 | 0.00 | 0.36 | 0.07 | 0.39 | 0.30 | 0.64 | 1.53 | 3.13 | 1.05 | 0.38 | 0.19 | 1.20 | 3.13 | |||||||||||||
1968 | 0.40 | 0.58 | 1.17 | 0.20 | 0.00 | 0.02 | 0.75 | 1.40 | 0.08 | 0.08 | 0.60 | 0.47 | 1.40 | |||||||||||||
1969 | 0.52 | 0.20 | 0.38 | 0.00 | ----- | z | 0.00 | 0.68 | 1.17 | 0.25 | 0.45 | a | 0.50 | 0.25 | ----- | z | ||||||||||
1970 | 0.00 | 0.46 | 0.81 | 0.13 | 0.03 | 0.45 | 1.00 | 1.29 | 0.67 | 0.44 | 0.00 | 0.48 | 1.29 | |||||||||||||
1971 | 0.19 | 0.50 | 0.00 | 0.28 | 0.00 | 0.17 | 1.43 | 0.94 | 0.63 | 0.95 | 0.16 | 0.76 | 1.43 | |||||||||||||
1972 | ----- | z | 0.00 | 0.01 | 0.00 | 0.12 | 1.08 | 0.90 | 0.69 | 2.45 | 1.40 | 0.46 | 0.33 | ----- | z | |||||||||||
1973 | ----- | z | 0.62 | 1.04 | 0.04 | 0.10 | 0.41 | 1.40 | 1.44 | 0.07 | 0.00 | 0.24 | 0.00 | ----- | z | |||||||||||
1974 | 1.05 | 0.06 | 0.24 | 0.01 | 0.10 | 0.16 | 1.50 | 2.36 | 1.08 | 0.87 | 0.13 | 0.18 | 2.36 | |||||||||||||
1975 | 0.37 | 0.09 | 0.46 | 0.20 | 0.00 | 0.04 | 1.16 | 0.58 | 0.59 | 0.06 | 0.70 | 0.15 | 1.16 | |||||||||||||
1976 | 0.34 | 0.40 | 0.62 | 0.50 | 0.33 | 0.08 | 1.52 | 1.18 | 1.52 | 0.37 | 0.38 | 0.07 | 1.52 | |||||||||||||
1977 | 0.74 | 0.02 | 0.33 | 0.06 | 0.02 | 0.29 | 2.20 | 1.16 | 1.08 | 1.98 | 0.24 | 0.45 | 2.20 | |||||||||||||
1978 | 1.16 | 0.74 | 0.37 | 0.12 | 0.69 | 0.15 | 1.40 | 2.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.41 | 0.40 | 0.35 | 0.17 | 0.08 | 0.39 | 1.32 | 1.17 | 0.59 | 0.46 | 0.32 | 0.39 | 1.63 | |||||||||||||
S.D. | 0.29 | 0.27 | 0.29 | 0.23 | 0.15 | 0.45 | 0.51 | 0.69 | 0.54 | 0.47 | 0.27 | 0.37 | 0.56 | |||||||||||||
SKEW | 0.65 | 0.33 | 1.03 | 2.29 | 2.58 | 1.86 | 0.38 | 1.18 | 1.42 | 1.39 | 0.39 | 1.44 | 0.80 | |||||||||||||
MAX | 1.16 | 0.98 | 1.17 | 1.08 | 0.69 | 2.06 | 2.39 | 3.13 | 2.45 | 1.98 | 0.90 | 1.53 | 3.13 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.84 | |||||||||||||
YRS | 29 | 31 | 31 | 31 | 30 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 27 |