| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1946 | 1.23 | 1.17 | 1.19 | 0.16 | 0.25 | 0.35 | 0.06 | 0.04 | 0.37 | 0.72 | 1.52 | 0.59 | 7.65 | |||||||||||||
| 1947 | 0.39 | 0.31 | 1.09 | 0.47 | 0.57 | 1.28 | 0.00 | 0.01 | 1.07 | 1.24 | 1.21 | 0.83 | 8.47 | |||||||||||||
| 1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.17 | 0.41 | 0.27 | 1.06 | 1.90 | 3.81 | ||||||
| 1949 | 0.11 | 0.97 | 0.48 | 0.02 | 0.90 | 0.48 | 0.00 | b | 0.07 | 0.48 | 0.50 | a | 1.12 | g | 0.44 | 4.45 | ||||||||||
| 1950 | 1.80 | 0.67 | 1.92 | 0.50 | 0.65 | 0.80 | 0.12 | 0.44 | 0.51 | 0.27 | 1.12 | 1.57 | 10.37 | |||||||||||||
| 1951 | 1.19 | 2.13 | 0.88 | 0.64 | 0.86 | 0.73 | 0.10 | 0.50 | 0.00 | 1.54 | 1.41 | 2.30 | 12.28 | |||||||||||||
| 1952 | 0.82 | 0.85 | 1.56 | 0.93 | 0.84 | 0.69 | 0.30 | 0.02 | 0.13 | 0.00 | 0.58 | 0.72 | 7.44 | |||||||||||||
| 1953 | 2.15 | 1.54 | 0.26 | f | 1.01 | 2.30 | 1.30 | 0.00 | 0.07 | 0.02 | 0.31 | 1.02 | 1.10 | 10.82 | ||||||||||||
| 1954 | 0.79 | 0.33 | 0.75 | 0.40 | 0.09 | 1.65 | 0.00 | 0.40 | 0.17 | 0.27 | 0.85 | 0.87 | 6.57 | |||||||||||||
| 1955 | 0.82 | 0.36 | 0.13 | 2.46 | 1.31 | 0.55 | 0.14 | 0.00 | 0.31 | 1.11 | 0.98 | 1.64 | 9.81 | |||||||||||||
| 1956 | 1.81 | 0.39 | 0.11 | 0.28 | 0.95 | a | 0.31 | 0.00 | 0.16 | 0.01 | 1.97 | 0.31 | 0.62 | 6.92 | ||||||||||||
| 1957 | 1.11 | 1.53 | 1.75 | 1.02 | 2.15 | 0.68 | 0.00 | 0.00 | 0.00 | 0.85 | 0.75 | 1.53 | 11.37 | |||||||||||||
| 1958 | 1.00 | 2.23 | 0.35 | 0.84 | 1.42 | 1.37 | 0.11 | 0.02 | 0.10 | 0.00 | 0.53 | 1.21 | 9.18 | |||||||||||||
| 1959 | 1.15 | 0.76 | 0.96 | 0.32 | 1.01 | 0.22 | 0.05 | 0.46 | 3.28 | 0.48 | 0.33 | 0.43 | 9.45 | |||||||||||||
| 1960 | 1.21 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.21 | ||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1.11 | 1.02 | 0.93 | 0.70 | 1.02 | 0.80 | 0.07 | 0.17 | 0.49 | 0.68 | 0.90 | 1.12 | 9.05 | |||||||||||||
| S.D. | 0.55 | 0.66 | 0.61 | 0.62 | 0.65 | 0.46 | 0.09 | 0.19 | 0.85 | 0.59 | 0.38 | 0.58 | 1.84 | |||||||||||||
| SKEW | 0.15 | 0.64 | 0.18 | 1.79 | 0.69 | 0.52 | 1.45 | 0.77 | 2.73 | 0.82 | -0.07 | 0.54 | 0.29 | |||||||||||||
| MAX | 2.15 | 2.23 | 1.92 | 2.46 | 2.30 | 1.65 | 0.30 | 0.50 | 3.28 | 1.97 | 1.52 | 2.30 | 12.28 | |||||||||||||
| MIN | 0.11 | 0.31 | 0.11 | 0.02 | 0.09 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 0.43 | 6.57 | |||||||||||||
| NO YRS | 14 | 13 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 14 | 11 | |||||||||||||