| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1960 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 51.00 | 333.00 | 434.00 | 410.50 | 332.00 | 111.00 | 3.00 | 0.00 | z | 1674.50 | ||||||||
| 1961 | 0.00 | 0.00 | 0.00 | 0.00 | 28.00 | 484.00 | 556.00 | 418.00 | 75.50 | s | 39.00 | i | 5.17 | a | 0.00 | 1491.17 | ||||||||||
| 1962 | 0.00 | 0.00 | d | 0.00 | 0.00 | n | 0.00 | z | 239.46 | b | 384.83 | b | 390.08 | a | 196.50 | 48.57 | a | 0.00 | 0.00 | b | 1259.44 | |||||
| 1963 | 0.00 | 0.00 | 0.00 | 0.00 | a | 68.00 | 112.50 | 396.28 | a | 366.12 | b | 248.08 | d | 71.76 | d | 0.00 | a | 0.00 | 1262.74 | |||||||
| 1964 | 0.00 | a | 0.00 | a | 0.00 | 5.50 | 71.82 | a | 190.50 | 474.30 | a | 411.78 | a | 125.19 | d | 90.86 | b | 0.00 | 0.00 | b | 1369.95 | |||||
| 1965 | 0.00 | b | 0.00 | 0.00 | a | 11.50 | 27.38 | a | 127.50 | b | 377.00 | 342.07 | b | 81.50 | 66.50 | 0.50 | 0.00 | 1033.95 | ||||||||
| 1966 | 0.00 | 0.00 | 0.50 | 9.50 | 146.00 | 252.50 | 443.50 | 453.50 | 189.00 | 26.00 | 0.00 | 0.00 | 1520.50 | |||||||||||||
| 1967 | 0.00 | 0.00 | 0.00 | 0.00 | 112.08 | e | 166.03 | a | 478.00 | 462.93 | a | 181.03 | a | 32.55 | a | 1.61 | b | 0.00 | z | 1434.24 | ||||||
| 1968 | 0.00 | v | 0.00 | 0.00 | 0.00 | d | 54.00 | 305.56 | c | 482.05 | a | 270.00 | 194.00 | 14.50 | 0.00 | 0.00 | a | 1320.11 | ||||||||
| 1969 | 0.00 | g | 0.00 | v | 0.00 | v | 0.00 | w | 127.10 | a | 171.50 | 465.00 | 501.00 | 237.50 | 4.50 | 0.00 | 0.00 | 1506.60 | ||||||||
| 1970 | 0.00 | e | 0.00 | 0.00 | 0.00 | l | 68.56 | e | 179.00 | g | 470.37 | e | 523.79 | b | 154.00 | 17.50 | 0.00 | e | 0.00 | c | 1234.22 | |||||
| 1971 | 0.00 | 0.00 | 1.00 | 3.00 | 17.00 | 300.00 | 552.00 | 509.90 | b | 191.50 | 25.12 | b | 1.61 | b | 0.00 | g | 1601.12 | |||||||||
| 1972 | 0.00 | a | 0.00 | a | 5.88 | b | 0.56 | c | 85.80 | c | 288.89 | c | 524.23 | c | 400.33 | b | 84.64 | b | 0.55 | c | 0.00 | d | 0.00 | c | 1390.88 | |
| 1973 | 0.00 | i | 0.00 | c | 0.00 | e | 8.00 | f | 146.73 | a | 293.08 | d | 462.62 | e | 400.79 | c | 162.22 | c | 12.00 | f | 1.50 | m | 0.00 | 1465.43 | ||
| 1974 | 0.00 | a | 0.00 | 0.00 | h | 0.00 | c | 95.50 | f | 358.85 | d | 460.02 | c | 352.62 | c | 184.50 | i | 9.00 | g | 0.00 | c | 0.00 | z | 1171.49 | ||
| 1975 | 0.00 | z | 0.00 | z | 0.00 | p | 0.00 | d | 38.50 | k | 0.00 | z | 0.00 | z | 110.50 | u | 249.44 | c | 35.59 | d | 0.00 | h | 0.00 | z | 285.04 | |
| 1976 | 0.00 | o | 0.00 | e | 0.00 | h | 7.00 | 124.57 | d | 231.00 | 461.79 | b | 73.00 | w | 176.67 | c | 21.00 | f | 1.73 | d | 0.00 | c | 1002.76 | |||
| 1977 | 0.00 | 0.00 | b | 0.00 | b | 6.96 | b | 26.00 | 345.50 | 482.64 | b | 452.37 | d | 244.29 | b | 43.18 | c | 3.62 | a | 0.00 | e | 1604.56 | ||||
| 1978 | 0.00 | b | 0.00 | h | 0.00 | f | 2.50 | r | 51.67 | d | 193.20 | e | 332.50 | g | 386.43 | b | 132.93 | a | 81.52 | d | 0.00 | b | 0.00 | 845.75 | ||
| 1979 | 0.00 | d | 0.00 | d | 0.00 | 1.55 | a | 109.10 | e | 259.80 | e | 313.50 | k | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | a | 370.45 | ||
| 1980 | 0.00 | j | 0.00 | f | 0.00 | h | 5.00 | g | 25.50 | f | 43.00 | u | 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 | 0.53 | 3.26 | 77.34 | 258.49 | 464.98 | 414.84 | 187.09 | 44.65 | 1.01 | 0.00 | 1363.76 | |||||||||||||
| S.D. | 0.00 | 0.00 | 1.57 | 4.05 | 43.17 | 92.27 | 50.38 | 65.16 | 63.66 | 33.04 | 1.58 | 0.00 | 201.15 | |||||||||||||
| SKEW | 0.00 | 0.00 | 3.15 | 0.82 | 0.25 | 0.49 | 0.04 | -0.19 | 0.28 | 0.53 | 1.44 | 0.00 | -0.51 | |||||||||||||
| MAX | 0.00 | 0.00 | 5.88 | 11.50 | 146.73 | 484.00 | 556.00 | 523.79 | 332.00 | 111.00 | 5.17 | 0.00 | 1604.56 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 17.00 | 112.50 | 377.00 | 270.00 | 81.50 | 0.55 | 0.00 | 0.00 | 1033.95 | |||||||||||||
| NO YRS | 14 | 16 | 14 | 14 | 17 | 18 | 17 | 17 | 17 | 15 | 17 | 15 | 6 | |||||||||||||