| 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 | 80.50 | 255.23 | a | 444.00 | 673.22 | a | 698.53 | a | 429.50 | 127.50 | 0.00 | a | 0.00 | c | 2708.48 | |||||
| 1953 | 0.00 | b | 0.00 | f | 33.50 | g | 140.40 | e | 98.00 | f | 455.00 | c | 722.82 | a | 642.70 | c | 395.89 | b | 109.57 | b | 21.00 | 0.00 | 2487.38 | |||
| 1954 | 0.00 | a | 0.00 | 8.02 | b | 108.21 | b | 314.50 | 388.00 | 754.00 | 537.85 | a | 362.00 | 131.75 | a | 5.50 | 0.00 | 2609.83 | ||||||||
| 1955 | 0.00 | 0.00 | a | 2.14 | b | 50.69 | a | 228.50 | 405.00 | 633.50 | 675.80 | a | 190.00 | i | 34.00 | s | 0.00 | b | 6.95 | b | 2002.58 | |||||
| 1956 | 1.55 | a | 0.00 | a | 14.95 | c | 41.00 | h | 288.50 | 481.50 | 635.50 | 510.98 | a | 357.00 | 74.00 | f | 4.00 | 0.00 | b | 2293.98 | ||||||
| 1957 | 0.00 | e | 0.00 | 6.09 | c | 0.00 | z | 144.15 | a | 424.00 | 673.22 | a | 690.00 | 298.50 | 84.45 | b | 0.00 | 0.00 | c | 2320.40 | ||||||
| 1958 | 0.00 | 0.00 | 0.00 | 27.50 | 333.50 | 498.00 | 611.45 | b | 709.50 | 362.00 | 133.50 | 9.50 | 0.00 | 2684.95 | ||||||||||||
| 1959 | 0.00 | 0.00 | 0.50 | l | 103.50 | 117.00 | g | 381.50 | j | 0.00 | z | 0.00 | z | 206.50 | h | 41.00 | k | 0.00 | k | 0.00 | h | 103.50 | ||||
| 1960 | 0.00 | k | 0.00 | 9.50 | 83.50 | 187.00 | 485.50 | 721.00 | 384.00 | h | 417.00 | 96.88 | c | 6.00 | 0.00 | 2006.38 | ||||||||||
| 1961 | 0.00 | 0.00 | 0.50 | 55.71 | b | 254.50 | 573.50 | 748.28 | b | 704.70 | c | 210.00 | 73.62 | c | 0.00 | 0.00 | d | 2620.81 | ||||||||
| 1962 | 0.00 | b | 2.59 | a | 0.00 | a | 103.20 | e | 0.00 | z | 270.00 | l | 726.95 | a | 646.50 | 368.04 | b | 97.13 | a | 0.00 | z | 0.00 | f | 1944.41 | ||
| 1963 | 0.00 | 2.24 | c | 0.55 | c | 29.00 | 303.28 | a | 345.00 | 702.84 | b | 726.50 | 464.40 | e | 0.00 | z | 1.11 | c | 0.00 | 2574.93 | ||||||
| 1964 | 0.00 | 0.00 | z | 1.55 | a | 41.50 | 0.00 | z | 0.00 | z | 699.00 | 596.20 | c | 300.50 | 123.50 | 0.00 | 0.00 | 1762.25 | ||||||||
| 1965 | 0.00 | a | 0.00 | 2.58 | a | 93.00 | 184.50 | 391.50 | 690.50 | 592.50 | 238.00 | 112.78 | b | 14.00 | 0.00 | a | 2319.36 | |||||||||
| 1966 | 0.00 | a | 0.00 | 7.50 | 52.00 | 305.50 | 458.50 | 718.50 | 601.00 | 400.86 | a | 57.35 | a | 7.00 | 0.00 | 2608.21 | ||||||||||
| 1967 | 1.50 | 0.00 | 8.50 | 23.50 | 199.50 | 366.72 | a | 723.50 | 687.50 | 382.50 | 111.00 | 17.00 | 0.00 | 2521.22 | ||||||||||||
| 1968 | 0.00 | 0.00 | a | 13.00 | 28.00 | 179.80 | a | 476.25 | b | 680.45 | a | 497.55 | a | 272.59 | a | 84.22 | a | 1.73 | d | 0.00 | d | 2233.58 | ||||
| 1969 | 0.00 | a | 0.00 | 0.00 | c | 64.44 | c | 399.68 | c | 396.00 | 711.00 | 735.73 | a | 490.00 | c | 21.00 | 0.00 | a | 0.00 | c | 2817.86 | |||||
| 1970 | 0.00 | a | 0.00 | 0.00 | 19.04 | d | 234.00 | 466.00 | 707.83 | d | 739.00 | 237.41 | a | 54.50 | 9.00 | 0.00 | 2466.79 | |||||||||
| 1971 | 0.00 | 0.00 | a | 22.96 | d | 48.00 | 180.00 | 482.00 | 695.43 | a | 688.72 | a | 218.57 | b | 64.14 | b | 3.75 | b | 0.00 | g | 2403.57 | |||||
| 1972 | 0.00 | n | 0.00 | g | 32.66 | c | 29.40 | e | 287.86 | c | 513.21 | b | 693.92 | e | 457.00 | i | 308.79 | a | 122.93 | b | 0.00 | z | 0.00 | b | 1988.78 | |
| 1973 | 0.00 | g | 0.00 | a | 0.00 | 20.17 | a | 214.50 | 329.50 | f | 222.50 | s | 648.93 | a | 295.96 | d | 124.00 | a | 30.58 | d | 0.00 | e | 1334.14 | |||
| 1974 | 0.00 | h | 0.00 | b | 26.83 | e | 75.50 | g | 295.50 | 543.50 | 700.08 | a | 555.00 | 359.48 | a | 110.05 | a | 0.00 | b | 0.00 | 2590.44 | |||||
| 1975 | 0.00 | 0.00 | a | 9.82 | a | 11.50 | 159.65 | a | 354.64 | b | 724.88 | a | 578.50 | 345.00 | a | 84.39 | d | 0.00 | 0.00 | a | 2268.38 | |||||
| 1976 | 0.00 | 0.00 | 0.00 | 36.50 | 227.91 | d | 0.00 | z | 442.50 | l | 0.00 | z | 81.50 | u | 39.86 | c | 0.00 | g | 0.00 | n | 304.26 | |||||
| 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 | 0.15 | 0.23 | 7.60 | 56.79 | 246.55 | 447.39 | 697.63 | 641.13 | 341.55 | 93.53 | 6.20 | 0.33 | 2515.10 | |||||||||||||
| S.D. | 0.47 | 0.73 | 9.43 | 35.55 | 65.84 | 62.60 | 35.79 | 74.66 | 77.54 | 32.11 | 8.29 | 1.52 | 191.53 | |||||||||||||
| SKEW | 2.67 | 2.79 | 1.35 | 0.72 | 0.41 | 0.10 | -0.81 | -0.48 | -0.03 | -0.65 | 1.56 | 4.25 | -0.16 | |||||||||||||
| MAX | 1.55 | 2.59 | 32.66 | 140.40 | 399.68 | 573.50 | 754.00 | 739.00 | 490.00 | 133.50 | 30.58 | 6.95 | 2817.86 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 11.50 | 144.15 | 345.00 | 611.45 | 497.55 | 210.00 | 21.00 | 0.00 | 0.00 | 2233.58 | |||||||||||||
| NO YRS | 20 | 21 | 22 | 22 | 21 | 20 | 22 | 21 | 22 | 21 | 21 | 21 | 10 | |||||||||||||