| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1953 | 2.84 | 1.04 | 1.34 | 2.30 | 2.60 | 0.86 | 1.85 | 0.85 | 2.46 | 0.73 | 1.20 | 0.44 | 2.84 | |||||||||||||
| 1954 | 0.59 | 0.30 | 0.40 | 2.76 | 0.13 | 0.75 | 0.98 | 0.41 | 1.27 | 0.30 | 0.81 | 0.83 | 2.76 | |||||||||||||
| 1955 | 0.47 | 1.71 | 0.50 | 1.21 | 0.13 | 0.20 | 0.65 | 1.20 | a | 0.53 | 6.83 | 1.12 | 1.12 | 6.83 | a | |||||||||||
| 1956 | 0.80 | j | 1.22 | 0.36 | 0.14 | 0.86 | 2.24 | 2.05 | 3.83 | 1.72 | 2.83 | 0.17 | 0.84 | 3.83 | j | |||||||||||
| 1957 | 1.08 | j | 2.92 | 0.30 | 0.50 | 0.56 | 0.28 | 0.71 | j | 4.55 | 0.74 | 0.72 | 1.00 | 1.54 | 4.55 | t | ||||||||||
| 1958 | 5.04 | 1.68 | 1.24 | 0.09 | 0.41 | 0.91 | 0.43 | 0.44 | j | 0.55 | j | 1.03 | 1.08 | 0.68 | 5.04 | t | ||||||||||
| 1959 | 0.68 | 0.61 | 0.86 | 1.36 | 0.13 | 1.80 | 0.66 | 2.11 | 1.82 | 0.44 | 0.87 | 0.27 | 2.11 | |||||||||||||
| 1960 | 1.14 | j | 1.27 | 0.61 | 3.30 | 6.80 | a | 0.73 | 0.23 | a | 4.24 | i | 0.66 | 1.50 | 1.15 | 0.48 | 6.80 | u | ||||||||
| 1961 | 3.12 | 1.94 | 2.17 | 0.81 | 0.90 | 7.16 | 0.30 | 0.92 | 0.58 | 3.12 | 0.77 | 1.62 | 7.16 | |||||||||||||
| 1962 | 1.43 | 1.76 | 3.01 | 5.00 | 0.15 | 1.64 | 1.81 | 0.90 | 0.82 | 1.56 | 0.44 | a | 1.44 | 5.00 | a | |||||||||||
| 1963 | 1.27 | 1.03 | 3.36 | 1.35 | 0.93 | 0.50 | 2.10 | 1.37 | 1.29 | 1.86 | 3.03 | 0.88 | 3.36 | |||||||||||||
| 1964 | 1.76 | 1.36 | 3.82 | 1.43 | 1.56 | 1.28 | 1.22 | 0.40 | 0.40 | 1.73 | 1.92 | 1.06 | 3.82 | |||||||||||||
| 1965 | 0.37 | 1.05 | 0.73 | 1.41 | d | 0.12 | f | 1.32 | 0.50 | 0.52 | 1.81 | j | 0.10 | j | 2.63 | h | 1.16 | b | ----- | z | ||||||
| 1966 | 0.77 | 0.16 | 0.46 | 0.47 | 0.83 | 0.36 | j | 1.09 | 0.53 | 1.07 | 6.00 | 1.20 | 0.37 | j | 6.00 | t | ||||||||||
| 1967 | 1.34 | 2.45 | 0.75 | 1.04 | 0.48 | 1.05 | 3.02 | 3.36 | 0.38 | 1.23 | 6.19 | 0.93 | 6.19 | |||||||||||||
| 1968 | 1.96 | 1.03 | 0.02 | 0.42 | 1.35 | 0.70 | 2.12 | 2.03 | 1.18 | 0.31 | 0.96 | 3.89 | 3.89 | |||||||||||||
| 1969 | 0.64 | 1.05 | 0.53 | 0.41 | 0.21 | 0.15 | 0.93 | 1.67 | 0.57 | 0.87 | 2.23 | 1.04 | 2.23 | |||||||||||||
| 1970 | 0.86 | 0.93 | ----- | z | 1.50 | 2.92 | 0.53 | a | 1.09 | 0.98 | 3.73 | 1.56 | 3.53 | 1.30 | ----- | z | ||||||||||
| 1971 | 1.14 | 2.86 | ----- | z | 0.22 | 0.44 | 0.28 | 0.41 | 4.26 | 1.00 | ----- | z | 0.28 | 1.41 | ----- | z | ||||||||||
| 1972 | 1.36 | 1.29 | 0.78 | 2.72 | 0.82 | 0.99 | 3.82 | 0.69 | 2.90 | 0.39 | 0.48 | 0.21 | 3.82 | |||||||||||||
| 1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1974 | 1.22 | m | 0.54 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.24 | l | 1.83 | b | ----- | z | ----- | z | ----- | z | ----- | z |
| 1975 | ----- | z | 1.26 | d | 1.62 | p | ----- | z | 1.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.01 | ----- | z | ----- | z | |
| 1976 | 1.38 | u | ----- | z | 0.57 | 0.09 | u | ----- | z | ----- | z | 0.16 | n | ----- | z | 0.26 | ----- | z | 0.10 | x | ----- | z | ----- | z | ||
| 1977 | 1.86 | ----- | z | 1.31 | 0.21 | 0.41 | 0.09 | 1.16 | 0.27 | 2.76 | 0.90 | 2.20 | 2.71 | ----- | z | |||||||||||
| 1978 | ----- | z | 0.56 | 0.95 | 0.58 | 0.21 | 1.91 | 1.15 | ----- | z | 1.16 | 1.31 | 0.92 | ----- | z | ----- | z | |||||||||
| 1979 | 1.61 | 2.12 | 1.13 | ----- | z | 0.92 | 0.83 | ----- | z | ----- | z | 1.15 | 1.78 | 5.00 | ----- | z | ----- | z | ||||||||
| 1980 | ----- | z | ----- | z | 0.32 | 0.09 | 0.23 | 0.49 | 1.61 | 1.27 | 0.86 | 3.16 | 0.41 | 1.90 | ----- | z | ||||||||||
| 1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.13 | 1.18 | 2.86 | 2.14 | 2.22 | 1.96 | 0.56 | ----- | z | |||||||
| 1983 | 0.64 | 0.53 | 1.01 | 1.00 | 1.05 | 0.10 | 1.28 | 4.83 | 0.79 | 0.29 | 0.50 | 0.85 | 4.83 | |||||||||||||
| 1984 | 1.14 | 1.16 | 2.06 | 0.57 | ----- | z | 2.06 | 2.59 | 0.78 | 2.11 | 0.54 | 1.63 | 1.29 | ----- | z | |||||||||||
| 1985 | 1.07 | ----- | z | 0.88 | 3.47 | 1.12 | 1.33 | 1.25 | 2.28 | 0.57 | ----- | z | 0.79 | 1.09 | ----- | z | ||||||||||
| 1986 | 1.40 | 0.71 | 0.44 | 1.89 | 0.76 | 0.12 | 1.33 | 0.80 | 0.81 | 0.11 | 0.19 | 0.50 | 1.89 | |||||||||||||
| 1987 | 1.60 | 0.62 | 0.64 | ----- | z | 0.09 | 1.10 | 1.09 | 0.27 | 0.51 | 0.25 | 0.93 | 0.24 | ----- | z | |||||||||||
| 1988 | 0.47 | 1.99 | 0.26 | 1.98 | ----- | z | 1.12 | ----- | z | 1.11 | ----- | z | 0.24 | ----- | z | 0.44 | ----- | z | ||||||||
| 1989 | 1.94 | 0.88 | 1.21 | ----- | z | 1.89 | 0.25 | 1.13 | 1.08 | 2.28 | 3.75 | 0.95 | 1.70 | ----- | z | |||||||||||
| 1990 | 0.61 | 0.86 | 0.85 | 1.79 | 0.08 | 0.53 | 0.26 | 0.89 | 0.23 | 2.36 | 1.01 | ----- | z | ----- | z | |||||||||||
| 1991 | 1.56 | 1.49 | 1.07 | 0.27 | 0.52 | 0.50 | 0.47 | 0.81 | 0.99 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1.41 | 1.29 | 1.06 | 1.34 | 0.98 | 1.03 | 1.28 | 1.59 | 1.26 | 1.66 | 1.44 | 1.12 | 4.05 | |||||||||||||
| S.D. | 0.98 | 0.69 | 0.90 | 1.18 | 1.28 | 1.25 | 0.83 | 1.33 | 0.86 | 1.62 | 1.34 | 0.77 | 1.73 | |||||||||||||
| SKEW | 2.01 | 0.74 | 1.72 | 1.25 | 3.25 | 3.67 | 1.15 | 1.23 | 1.08 | 1.73 | 2.12 | 1.80 | 0.53 | |||||||||||||
| MAX | 5.04 | 2.92 | 3.82 | 5.00 | 6.80 | 7.16 | 3.82 | 4.83 | 3.73 | 6.83 | 6.19 | 3.89 | 7.16 | |||||||||||||
| MIN | 0.37 | 0.16 | 0.02 | 0.09 | 0.08 | 0.09 | 0.23 | 0.27 | 0.23 | 0.11 | 0.17 | 0.21 | 1.89 | |||||||||||||
| YRS | 28 | 31 | 32 | 30 | 31 | 33 | 31 | 30 | 33 | 30 | 32 | 29 | 14 | |||||||||||||