| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 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 | 39.64 | b | 0.50 | f | 39.64 | |
| 1966 | 1.60 | b | 0.00 | c | 60.97 | a | 148.97 | a | 489.00 | 566.50 | 796.00 | 799.00 | 514.50 | 196.00 | 56.50 | 0.00 | 3629.04 | |||||||||
| 1967 | 7.50 | 9.00 | 56.00 | 8.50 | 336.00 | 492.50 | 872.50 | 833.50 | 553.50 | 245.50 | 82.50 | 0.50 | 3497.50 | |||||||||||||
| 1968 | 0.00 | 40.50 | 49.00 | 70.50 | 332.00 | 611.50 | 862.00 | 612.50 | 424.50 | 186.00 | 13.50 | 0.50 | 3202.50 | |||||||||||||
| 1969 | 14.50 | 0.00 | 32.00 | 153.00 | 452.50 | 516.00 | 833.50 | 848.50 | 594.50 | 100.50 | 20.50 | 5.50 | 3571.00 | |||||||||||||
| 1970 | 24.50 | 12.00 | 19.00 | 23.50 | 349.50 | 566.00 | 857.50 | 868.50 | 407.00 | 140.50 | 60.50 | 0.00 | 3328.50 | |||||||||||||
| 1971 | 30.00 | 18.00 | 63.50 | 117.50 | 257.50 | 551.50 | 874.50 | 899.00 | 439.50 | 170.00 | 20.50 | 0.00 | 3441.50 | |||||||||||||
| 1972 | 7.50 | 33.00 | 163.50 | 143.50 | 407.50 | 677.00 | 882.50 | 766.50 | 484.50 | 212.00 | 15.00 | 3.00 | 3795.50 | |||||||||||||
| 1973 | 3.00 | 1.00 | 5.50 | 92.00 | 439.00 | 645.00 | 822.50 | 758.50 | 421.00 | 211.00 | 86.50 | 7.50 | 3492.50 | |||||||||||||
| 1974 | 15.00 | 24.00 | 95.00 | 133.00 | 406.00 | 746.00 | 847.00 | 698.02 | a | 567.50 | 191.00 | 41.50 | 26.35 | a | 3790.37 | |||||||||||
| 1975 | 2.50 | 11.50 | 32.00 | 34.00 | 304.00 | 552.41 | a | 893.50 | 686.50 | 544.50 | 234.50 | 32.50 | 8.00 | 3335.91 | ||||||||||||
| 1976 | 0.00 | 20.50 | 22.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 43.00 | ||||
| 1977 | 0.00 | n | 2.50 | h | 0.00 | z | 0.00 | z | 27.00 | z | 0.00 | z | 0.00 | z | 127.00 | y | 294.00 | j | 205.00 | g | 27.50 | l | 0.00 | z | 0.00 | |
| 1978 | 0.00 | o | 2.00 | h | 90.13 | d | 65.50 | h | 0.00 | z | 458.57 | b | 575.50 | g | 684.14 | b | 370.56 | c | 157.50 | i | 7.00 | l | 0.00 | z | 1603.39 | |
| 1979 | 0.00 | v | 0.50 | x | 0.00 | z | 113.00 | g | 0.00 | z | 571.67 | c | 802.50 | 692.50 | 570.00 | 337.50 | 10.00 | f | 16.61 | c | 2990.77 | |||||
| 1980 | 4.13 | a | 17.50 | 9.00 | 173.04 | b | 220.32 | c | 493.27 | d | 667.50 | f | 642.50 | 203.50 | l | 0.00 | z | 14.00 | f | 10.00 | 1569.76 | |||||
| 1981 | 0.00 | g | 14.00 | d | 9.50 | 175.18 | b | 268.84 | b | 613.50 | 784.00 | 779.65 | a | 578.04 | b | 88.41 | d | 90.58 | d | 17.05 | a | 3418.74 | ||||
| 1982 | 0.00 | 31.00 | 19.50 | 73.50 | 275.00 | 463.00 | 747.50 | 841.50 | 469.50 | 148.00 | 10.00 | 2.00 | 3080.50 | |||||||||||||
| 1983 | 0.00 | 5.70 | a | 47.00 | 52.00 | 293.98 | a | 0.00 | z | 718.00 | 767.00 | 567.50 | 249.00 | 54.00 | 9.50 | 2763.69 | ||||||||||
| 1984 | 0.00 | 1.50 | 29.00 | 87.00 | 430.00 | 489.83 | a | 875.23 | a | 794.50 | 548.50 | 110.00 | 30.50 | 0.00 | 3396.06 | |||||||||||
| 1985 | 0.00 | 2.50 | 23.25 | a | 220.00 | 377.00 | 703.00 | 890.00 | 362.50 | p | 364.50 | 194.50 | 24.50 | 0.00 | k | 2799.25 | ||||||||||
| 1986 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 420.00 | 713.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1133.00 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 6.89 | 14.22 | 45.91 | 106.57 | 356.36 | 579.46 | 834.92 | 763.08 | 495.27 | 188.40 | 42.42 | 6.66 | 3463.41 | |||||||||||||
| S.D. | 9.39 | 12.44 | 39.35 | 61.03 | 78.62 | 88.78 | 52.50 | 82.58 | 77.70 | 63.56 | 26.71 | 7.77 | 215.81 | |||||||||||||
| SKEW | 1.37 | 0.61 | 1.59 | 0.05 | -0.05 | 0.39 | -0.85 | -0.17 | -0.36 | 0.40 | 0.59 | 1.17 | -0.01 | |||||||||||||
| MAX | 30.00 | 40.50 | 163.50 | 220.00 | 489.00 | 746.00 | 893.50 | 899.00 | 594.50 | 337.50 | 90.58 | 26.35 | 3795.50 | |||||||||||||
| MIN | 0.00 | 0.00 | 5.50 | 8.50 | 220.32 | 458.57 | 718.00 | 612.50 | 364.50 | 88.41 | 10.00 | 0.00 | 3080.50 | |||||||||||||
| NO YRS | 16 | 17 | 18 | 16 | 17 | 18 | 16 | 17 | 17 | 16 | 16 | 16 | 12 | |||||||||||||