| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1952 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 7.23 | a | 46.50 | 209.25 | a | 233.53 | a | 49.00 | 0.00 | 0.00 | a | 0.00 | c | 545.52 | |||||
| 1953 | 0.00 | b | 0.00 | f | 0.00 | g | 3.00 | e | 0.00 | f | 75.56 | c | 257.82 | a | 179.36 | c | 17.68 | b | 3.74 | b | 0.00 | 0.00 | 537.15 | |||
| 1954 | 0.00 | a | 0.00 | 0.00 | b | 0.00 | b | 14.00 | 62.00 | 293.50 | 99.20 | a | 34.00 | 0.00 | a | 0.00 | 0.00 | 502.70 | ||||||||
| 1955 | 0.00 | 0.00 | a | 0.00 | b | 0.00 | a | 5.00 | 47.50 | 179.00 | 211.32 | a | 11.00 | i | 0.00 | s | 0.00 | b | 0.00 | b | 442.82 | |||||
| 1956 | 0.00 | a | 0.00 | a | 0.00 | c | 0.00 | h | 20.00 | 74.50 | 172.50 | 64.07 | a | 25.00 | 0.00 | f | 0.00 | 0.00 | b | 356.07 | ||||||
| 1957 | 0.00 | e | 0.00 | 0.00 | c | 0.00 | z | 0.00 | a | 53.00 | 208.22 | a | 225.00 | 9.50 | 0.00 | b | 0.00 | 0.00 | c | 495.72 | ||||||
| 1958 | 0.00 | 0.00 | 0.00 | 0.00 | 41.00 | 76.50 | 147.52 | b | 244.50 | 51.00 | 0.00 | 0.00 | 0.00 | 560.52 | ||||||||||||
| 1959 | 0.00 | 0.00 | 0.00 | l | 1.00 | 7.00 | g | 92.00 | j | 0.00 | z | 0.00 | z | 23.00 | h | 0.00 | k | 0.00 | k | 0.00 | h | 1.00 | ||||
| 1960 | 0.00 | k | 0.00 | 0.00 | 0.00 | 3.50 | 62.00 | 256.00 | 84.50 | h | 40.50 | 1.66 | c | 0.00 | 0.00 | 363.66 | ||||||||||
| 1961 | 0.00 | 0.00 | 0.00 | 0.00 | b | 6.50 | 157.00 | 283.28 | b | 240.25 | c | 0.00 | 0.00 | c | 0.00 | 0.00 | d | 687.03 | ||||||||
| 1962 | 0.00 | b | 0.00 | a | 0.00 | a | 0.00 | e | 0.00 | z | 62.50 | l | 261.95 | a | 194.50 | 6.96 | b | 0.00 | a | 0.00 | z | 0.00 | f | 463.41 | ||
| 1963 | 0.00 | 0.00 | c | 0.00 | c | 0.00 | 9.30 | a | 14.50 | 237.84 | b | 261.50 | 50.40 | e | 0.00 | z | 0.00 | c | 0.00 | 573.54 | ||||||
| 1964 | 0.00 | 0.00 | z | 0.00 | a | 0.00 | 0.00 | z | 0.00 | z | 234.00 | 181.02 | c | 12.50 | 1.50 | 0.00 | 0.00 | 429.02 | ||||||||
| 1965 | 0.00 | a | 0.00 | 0.00 | a | 0.00 | 0.00 | 27.50 | 225.50 | 143.00 | 2.50 | 0.00 | b | 0.00 | 0.00 | a | 398.50 | |||||||||
| 1966 | 0.00 | a | 0.00 | 0.00 | 0.00 | 13.50 | 71.00 | 254.00 | 147.00 | 34.14 | a | 0.00 | a | 0.00 | 0.00 | 519.64 | ||||||||||
| 1967 | 0.00 | 0.00 | 0.00 | 0.00 | 8.50 | 35.17 | a | 258.50 | 222.50 | 28.00 | 5.50 | 0.00 | 0.00 | 558.17 | ||||||||||||
| 1968 | 0.00 | 0.00 | a | 0.00 | 0.00 | 7.75 | a | 86.79 | b | 221.65 | a | 96.62 | a | 16.03 | a | 0.00 | a | 0.00 | d | 0.00 | d | 428.84 | ||||
| 1969 | 0.00 | a | 0.00 | 0.00 | c | 0.00 | c | 24.91 | c | 32.00 | 251.00 | 270.73 | a | 77.78 | c | 0.00 | 0.00 | a | 0.00 | c | 656.42 | |||||
| 1970 | 0.00 | a | 0.00 | 0.00 | 0.00 | d | 8.50 | 108.00 | 242.83 | d | 274.00 | 17.59 | a | 0.00 | 0.00 | 0.00 | 650.92 | |||||||||
| 1971 | 0.00 | 0.00 | a | 0.00 | d | 0.00 | 0.00 | 108.50 | 230.43 | a | 223.72 | a | 16.07 | b | 0.00 | b | 0.00 | b | 0.00 | g | 578.72 | |||||
| 1972 | 0.00 | n | 0.00 | g | 0.00 | c | 0.00 | e | 9.41 | c | 69.64 | b | 228.92 | e | 127.00 | i | 10.86 | a | 0.00 | b | 0.00 | z | 0.00 | b | 318.84 | |
| 1973 | 0.00 | g | 0.00 | a | 0.00 | 0.00 | a | 0.00 | 79.00 | f | 44.00 | s | 188.07 | a | 13.85 | d | 0.00 | a | 0.00 | d | 0.00 | e | 201.91 | |||
| 1974 | 0.00 | h | 0.00 | b | 0.00 | e | 2.00 | g | 22.50 | 136.50 | 235.08 | a | 101.00 | 32.07 | a | 0.52 | a | 0.00 | b | 0.00 | 527.67 | |||||
| 1975 | 0.00 | 0.00 | a | 0.00 | a | 0.00 | 0.00 | a | 26.79 | b | 261.43 | a | 124.50 | 21.72 | a | 0.00 | d | 0.00 | 0.00 | a | 434.44 | |||||
| 1976 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | d | 0.00 | z | 157.50 | l | 0.00 | z | 0.00 | u | 0.00 | c | 0.00 | g | 0.00 | n | 0.00 | |||||
| 1977 | 0.00 | i | 0.00 | t | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.00 | 0.18 | 9.60 | 68.55 | 234.10 | 186.92 | 25.78 | 0.62 | 0.00 | 0.00 | 539.72 | |||||||||||||
| S.D. | 0.00 | 0.00 | 0.00 | 0.66 | 10.40 | 37.09 | 35.03 | 62.87 | 19.01 | 1.44 | 0.00 | 0.00 | 101.95 | |||||||||||||
| SKEW | 0.00 | 0.00 | 0.00 | 3.79 | 1.47 | 0.77 | -0.75 | -0.42 | 0.98 | 2.48 | 0.00 | 0.00 | 0.09 | |||||||||||||
| MAX | 0.00 | 0.00 | 0.00 | 3.00 | 41.00 | 157.00 | 293.50 | 274.00 | 77.78 | 5.50 | 0.00 | 0.00 | 687.03 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 14.50 | 147.52 | 64.07 | 0.00 | 0.00 | 0.00 | 0.00 | 398.50 | |||||||||||||
| NO YRS | 20 | 21 | 22 | 22 | 21 | 20 | 22 | 21 | 22 | 21 | 21 | 21 | 10 | |||||||||||||