| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1948 | 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 | 0.00 | z | 0.00 | |
| 1949 | 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 | 0.00 | z | 0.00 | |
| 1950 | 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 | 0.00 | z | 0.00 | |
| 1951 | 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 | 0.00 | z | 0.00 | |
| 1952 | 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 | 0.00 | z | 0.00 | |
| 1953 | 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 | 0.00 | z | 0.00 | |
| 1954 | 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 | 0.00 | z | 0.00 | |
| 1955 | 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 | 0.00 | z | 0.00 | |
| 1956 | 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 | 0.00 | z | 0.00 | |
| 1957 | 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 | 0.00 | z | 0.00 | |
| 1958 | 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 | 0.00 | z | 0.00 | |
| 1959 | 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 | 0.00 | z | 0.00 | |
| 1960 | 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 | 0.00 | z | 0.00 | |
| 1961 | 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 | 0.00 | z | 0.00 | |
| 1962 | 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 | 0.00 | z | 0.00 | |
| 1963 | 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 | 0.00 | z | 0.00 | |
| 1964 | 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 | 0.00 | z | 0.00 | |
| 1965 | 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 | 0.00 | z | 0.00 | |
| 1966 | 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 | 0.00 | z | 0.00 | |
| 1967 | 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 | 0.00 | z | 0.00 | |
| 1968 | 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 | 0.00 | z | 0.00 | |
| 1969 | 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 | 0.00 | z | 0.00 | |
| 1970 | 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 | 0.00 | z | 0.00 | |
| 1971 | 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 | 0.00 | z | 0.00 | |
| 1972 | 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 | 0.00 | z | 0.00 | |
| 1973 | 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 | 0.00 | z | 0.00 | |
| 1974 | 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 | 0.00 | z | 0.00 | |
| 1975 | 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 | 0.00 | z | 0.00 | |
| 1976 | 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 | 0.00 | z | 0.00 | |
| 1977 | 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 | 0.00 | z | 0.00 | |
| 1978 | 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 | 0.00 | z | 0.00 | |
| 1979 | 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 | 0.00 | z | 0.00 | |
| 1980 | 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 | 0.00 | z | 0.00 | |
| 1981 | 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 | 0.00 | z | 0.00 | |
| 1982 | 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 | 0.00 | z | 0.00 | |
| 1983 | 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 | 120.56 | c | 0.00 | e | 120.56 | |
| 1984 | 0.00 | 0.00 | 9.50 | f | 88.00 | 314.50 | o | 722.50 | 984.50 | 1003.00 | 597.41 | a | 244.00 | 64.14 | a | 14.98 | a | 3718.54 | ||||||||
| 1985 | 0.00 | a | 7.50 | 91.28 | d | 281.00 | 557.00 | 766.61 | b | 988.50 | 946.02 | a | 622.22 | c | 316.41 | b | 46.11 | c | 0.00 | 4622.65 | ||||||
| 1986 | 61.00 | 84.00 | a | 195.50 | 292.50 | 0.00 | z | 800.00 | 998.50 | 922.00 | 625.86 | a | 340.50 | 81.43 | b | 0.00 | 4401.29 | |||||||||
| 1987 | 33.67 | b | 38.89 | a | 67.68 | a | 323.79 | a | 574.50 | 843.21 | b | 1039.02 | a | 871.10 | a | 602.50 | 323.90 | b | 95.00 | 40.50 | 4853.77 | |||||
| 1988 | 6.20 | a | 17.61 | a | 68.20 | a | 231.00 | 487.14 | c | 896.00 | 981.00 | 1001.50 | 648.00 | 382.00 | 102.00 | 12.00 | 4832.65 | |||||||||
| 1989 | 23.50 | 22.00 | 200.00 | 341.50 | 544.00 | 697.00 | 993.00 | 854.00 | 571.00 | 293.50 | 79.50 | 17.50 | 4636.50 | |||||||||||||
| 1990 | 9.00 | 4.00 | 50.00 | 215.00 | 343.50 | 866.00 | 878.00 | 882.00 | 754.00 | 320.00 | 135.50 | 17.50 | 4474.50 | |||||||||||||
| 1991 | 1.50 | 20.50 | 73.50 | 183.50 | 549.00 | 834.50 | 943.00 | 896.50 | 642.50 | 369.50 | 31.50 | 0.00 | 4545.50 | |||||||||||||
| 1992 | 0.00 | 28.00 | 100.00 | 281.00 | 542.50 | 667.00 | 855.00 | 815.00 | 651.00 | 356.00 | 24.50 | 0.00 | 4320.00 | |||||||||||||
| 1993 | 0.00 | a | 1.50 | 97.00 | 174.00 | 479.00 | 706.00 | 903.00 | 853.50 | 480.00 | 295.50 | 17.50 | 16.00 | 4023.00 | ||||||||||||
| 1994 | 6.00 | 3.50 | 130.50 | 234.00 | 584.50 | 930.00 | 985.00 | 1019.00 | 703.00 | 351.50 | 74.50 | 36.00 | 5057.50 | |||||||||||||
| 1995 | 42.00 | 74.50 | 135.50 | 152.50 | 254.00 | 685.00 | 0.00 | z | 721.50 | i | 596.50 | 155.50 | p | 111.00 | j | 47.50 | 1987.50 | |||||||||
| 1996 | 26.00 | 70.00 | 60.97 | a | 242.59 | a | 509.50 | 787.76 | a | 942.00 | 312.50 | u | 383.50 | j | 345.00 | 63.00 | 0.00 | z | 3046.81 | |||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 16.07 | 28.62 | 105.84 | 233.88 | 493.15 | 784.74 | 957.54 | 914.87 | 624.50 | 328.15 | 71.94 | 15.54 | 4596.23 | |||||||||||||
| S.D. | 19.68 | 29.52 | 50.24 | 71.89 | 103.57 | 85.70 | 54.63 | 69.22 | 67.60 | 38.06 | 36.11 | 16.56 | 308.14 | |||||||||||||
| SKEW | 1.06 | 0.85 | 0.89 | -0.38 | -1.42 | 0.18 | -0.59 | 0.29 | -0.16 | -0.70 | 0.11 | 0.73 | -0.38 | |||||||||||||
| MAX | 61.00 | 84.00 | 200.00 | 341.50 | 584.50 | 930.00 | 1039.02 | 1019.00 | 754.00 | 382.00 | 135.50 | 47.50 | 5057.50 | |||||||||||||
| MIN | 0.00 | 0.00 | 50.00 | 88.00 | 254.00 | 667.00 | 855.00 | 815.00 | 480.00 | 244.00 | 17.50 | 0.00 | 4023.00 | |||||||||||||
| NO YRS | 13 | 13 | 12 | 13 | 11 | 13 | 12 | 11 | 12 | 12 | 13 | 13 | 9 | |||||||||||||