| 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 | 0.00 | c | 0.00 | e | 0.00 | |
| 1984 | 0.00 | 0.00 | 0.00 | f | 0.00 | 5.50 | o | 60.50 | 210.00 | 228.00 | 58.45 | a | 0.00 | 0.00 | a | 0.00 | a | 556.95 | ||||||||
| 1985 | 0.00 | a | 0.00 | 0.00 | d | 2.00 | 12.00 | 111.96 | b | 216.50 | 189.10 | a | 66.11 | c | 0.00 | b | 0.00 | c | 0.00 | 597.68 | ||||||
| 1986 | 0.00 | 0.00 | a | 0.00 | 2.50 | 0.00 | z | 111.00 | 225.50 | 150.00 | 13.97 | a | 0.00 | 0.00 | b | 0.00 | 502.97 | |||||||||
| 1987 | 0.00 | b | 0.00 | a | 0.00 | a | 0.00 | a | 0.00 | 109.82 | b | 279.52 | a | 141.05 | a | 21.00 | 0.53 | b | 0.00 | 0.00 | 551.92 | |||||
| 1988 | 0.00 | a | 0.00 | a | 0.00 | a | 0.00 | 4.43 | c | 172.50 | 216.00 | 230.50 | 47.00 | 0.00 | 0.00 | 0.00 | 670.43 | |||||||||
| 1989 | 0.00 | 0.00 | 0.00 | 5.50 | 23.50 | 66.50 | 218.50 | 96.50 | 27.00 | 0.00 | 0.00 | 0.00 | 437.50 | |||||||||||||
| 1990 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 155.50 | 152.00 | 127.00 | 94.50 | 0.00 | 0.00 | 0.00 | 530.50 | |||||||||||||
| 1991 | 0.00 | 0.00 | 0.00 | 0.50 | 11.50 | 118.50 | 182.50 | 140.00 | 34.00 | 2.00 | 0.00 | 0.00 | 489.00 | |||||||||||||
| 1992 | 0.00 | 0.00 | 0.00 | 0.00 | 14.50 | 33.00 | 102.50 | 100.00 | 24.50 | 0.00 | 0.00 | 0.00 | 274.50 | |||||||||||||
| 1993 | 0.00 | a | 0.00 | 0.00 | 0.00 | 1.50 | 62.50 | 142.00 | 115.50 | 5.50 | 5.00 | 0.00 | 0.00 | 332.00 | ||||||||||||
| 1994 | 0.00 | 0.00 | 0.00 | 0.00 | 14.50 | 191.50 | 217.00 | 247.00 | 72.00 | 1.00 | 0.00 | 0.00 | 743.00 | |||||||||||||
| 1995 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 48.00 | 0.00 | z | 176.50 | i | 54.00 | 0.00 | p | 0.00 | j | 0.00 | 102.00 | |||||||||
| 1996 | 0.00 | 0.00 | 0.00 | a | 0.00 | a | 17.00 | 95.69 | a | 191.50 | 62.50 | u | 27.50 | j | 2.50 | 0.00 | 0.00 | z | 306.69 | |||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.00 | 0.81 | 9.13 | 102.84 | 196.13 | 160.42 | 43.17 | 0.92 | 0.00 | 0.00 | 514.06 | |||||||||||||
| S.D. | 0.00 | 0.00 | 0.00 | 1.64 | 8.03 | 48.83 | 46.32 | 54.38 | 26.65 | 1.55 | 0.00 | 0.00 | 151.07 | |||||||||||||
| SKEW | 0.00 | 0.00 | 0.00 | 2.07 | 0.26 | 0.37 | -0.40 | 0.46 | 0.38 | 1.73 | 0.00 | 0.00 | -0.15 | |||||||||||||
| MAX | 0.00 | 0.00 | 0.00 | 5.50 | 23.50 | 191.50 | 279.52 | 247.00 | 94.50 | 5.00 | 0.00 | 0.00 | 743.00 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 33.00 | 102.50 | 96.50 | 5.50 | 0.00 | 0.00 | 0.00 | 274.50 | |||||||||||||
| NO YRS | 13 | 13 | 12 | 13 | 11 | 13 | 12 | 11 | 12 | 12 | 13 | 13 | 9 | |||||||||||||