YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | 0.05 | 0.17 | 0.23 | 1.64 | 2.75 | 0.68 | 1.68 | 0.12 | 0.16 | 1.60 | 0.39 | 0.00 | 2.75 | |||||||||||||
1958 | 0.05 | 0.11 | 0.14 | 0.16 | 1.46 | 0.63 | 0.42 | 0.41 | 0.28 | 0.53 | 0.45 | 0.00 | 1.46 | |||||||||||||
1959 | 0.35 | 0.16 | 0.47 | 0.46 | 1.03 | 1.51 | 0.75 | 0.93 | 1.36 | 0.62 | 0.00 | 0.00 | 1.51 | |||||||||||||
1960 | 0.45 | 0.14 | 0.14 | 0.56 | 0.37 | 1.78 | 0.82 | 0.46 | 0.42 | 1.17 | 0.26 | 0.26 | 1.78 | |||||||||||||
1961 | 0.11 | 0.15 | 0.33 | 0.09 | 0.45 | d | 1.80 | 1.44 | 1.58 | 0.79 | ----- | z | ----- | z | 0.33 | b | ----- | z | ||||||||
1962 | 0.10 | 0.08 | 0.23 | 0.45 | 0.23 | 0.44 | 0.75 | 0.50 | 0.28 | 0.65 | 0.27 | 0.26 | 0.75 | |||||||||||||
1963 | 0.03 | 0.21 | 0.20 | 0.00 | 0.33 | 0.43 | 0.41 | 0.60 | 0.47 | 0.27 | 0.26 | 0.20 | 0.60 | |||||||||||||
1964 | 0.07 | 0.04 | 0.25 | 0.00 | 2.02 | 0.03 | 0.42 | 0.52 | 0.77 | 0.07 | 0.20 | 0.00 | 2.02 | |||||||||||||
1965 | 0.12 | 0.05 | 0.05 | 0.96 | 0.60 | 1.25 | 1.70 | 1.71 | 0.81 | 0.00 | 0.00 | 0.02 | 1.71 | |||||||||||||
1966 | 0.60 | 0.07 | ----- | z | ----- | z | 0.29 | 0.16 | 1.00 | 2.23 | 0.68 | 0.07 | 0.00 | 0.09 | ----- | z | ||||||||||
1967 | ----- | z | 0.06 | 0.02 | 2.10 | 1.00 | 0.73 | 0.36 | 0.32 | 0.43 | 0.49 | 0.05 | 0.15 | ----- | z | |||||||||||
1968 | 0.00 | 0.10 | 0.30 | 0.32 | 0.76 | 0.13 | 0.68 | 0.40 | 0.40 | 0.18 | 0.08 | 0.15 | 0.76 | |||||||||||||
1969 | 0.06 | 0.01 | 0.17 | 0.21 | 0.32 | 0.51 | 1.01 | 0.20 | 1.00 | 1.10 | 0.21 | 0.22 | 1.10 | |||||||||||||
1970 | 0.22 | 0.00 | 0.15 | 1.57 | l | 0.19 | 0.70 | 0.70 | 0.20 | 0.70 | 0.75 | 0.20 | 0.00 | 1.57 | l | |||||||||||
1971 | 0.05 | 0.04 | 0.12 | 0.31 | 0.43 | 0.81 | 0.42 | 0.19 | 1.11 | 0.21 | 0.21 | 0.11 | 1.11 | |||||||||||||
1972 | 0.16 | 0.05 | 0.51 | 0.48 | 1.08 | a | 0.16 | 0.60 | 1.16 | 1.20 | 0.10 | 0.90 | 0.15 | 1.20 | a | |||||||||||
1973 | 0.04 | ----- | z | 0.15 | 0.30 | 1.30 | 0.15 | 0.68 | 0.17 | 0.98 | 1.04 | 0.00 | 0.85 | ----- | z | |||||||||||
1974 | 0.53 | 0.15 | 0.59 | 0.29 | 0.36 | 0.15 | 1.20 | 0.34 | 1.30 | 1.10 | 0.78 | 0.30 | 1.30 | |||||||||||||
1975 | 0.29 | 0.09 | 0.06 | 0.30 | 0.17 | 1.00 | 1.00 | 1.00 | a | 0.00 | 0.00 | 0.42 | l | ----- | z | ----- | z | |||||||||
1976 | 0.15 | 0.02 | 0.03 | d | 0.17 | 0.24 | 0.25 | ----- | z | 1.27 | 1.56 | 0.62 | ----- | z | ----- | z | ----- | z | ||||||||
1977 | ----- | z | ----- | z | ----- | z | 0.37 | ----- | z | ----- | z | 0.99 | 0.92 | 0.10 | 0.00 | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.18 | 0.09 | 0.22 | 0.48 | 0.77 | 0.67 | 0.85 | 0.73 | 0.70 | 0.53 | 0.25 | 0.17 | 1.39 | |||||||||||||
S.D. | 0.18 | 0.06 | 0.16 | 0.54 | 0.69 | 0.55 | 0.41 | 0.58 | 0.44 | 0.48 | 0.26 | 0.20 | 0.59 | |||||||||||||
SKEW | 1.17 | 0.34 | 0.93 | 1.98 | 1.52 | 0.86 | 0.78 | 1.08 | 0.22 | 0.61 | 1.29 | 2.09 | 0.77 | |||||||||||||
MAX | 0.60 | 0.21 | 0.59 | 2.10 | 2.75 | 1.80 | 1.70 | 2.23 | 1.56 | 1.60 | 0.90 | 0.85 | 2.75 | |||||||||||||
MIN | 0.00 | 0.00 | 0.02 | 0.00 | 0.17 | 0.03 | 0.36 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | |||||||||||||
YRS | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 20 | 17 | 18 | 13 |