| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 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 | 187.00 | o | 201.00 | 41.00 | 4.50 | 246.50 | ||||
| 1959 | 0.00 | 0.00 | 10.00 | 190.00 | 392.50 | 717.41 | a | 827.50 | 773.00 | 432.50 | 105.50 | 7.00 | 0.00 | 3455.41 | ||||||||||||
| 1960 | 0.00 | 0.00 | 34.00 | 179.50 | 357.50 | 648.00 | 842.50 | 741.50 | 507.50 | 175.00 | 13.50 | 0.00 | 3499.00 | |||||||||||||
| 1961 | 0.00 | 3.50 | 22.00 | 134.50 | 405.00 | 699.00 | 837.00 | 843.50 | 328.00 | 128.00 | 0.00 | 0.00 | 3400.50 | |||||||||||||
| 1962 | 0.00 | 13.50 | 3.50 | 198.00 | 386.50 | 609.50 | 0.00 | z | 229.50 | s | 493.00 | 197.50 | 6.50 | 0.00 | 1908.00 | |||||||||||
| 1963 | 2.50 | 13.00 | 33.50 | 123.00 | 477.50 | 612.00 | 868.00 | 813.50 | 576.00 | 281.50 | 24.00 | 0.00 | 3824.50 | |||||||||||||
| 1964 | 0.00 | 0.00 | 0.00 | 99.00 | 368.50 | 557.50 | 904.00 | 730.00 | 452.50 | 177.50 | 0.00 | 0.00 | 3289.00 | |||||||||||||
| 1965 | 0.00 | 0.00 | 2.00 | 200.36 | b | 330.50 | 536.00 | 788.00 | 694.00 | 328.50 | 176.50 | 39.00 | 0.00 | 3094.86 | ||||||||||||
| 1966 | 0.00 | 0.00 | 25.00 | 106.00 | 426.00 | 612.50 | 891.00 | 737.00 | 539.50 | 122.50 | 32.50 | 2.00 | 3494.00 | |||||||||||||
| 1967 | 0.00 | 0.00 | 55.50 | 122.50 | 322.50 | 529.00 | 837.50 | 785.50 | 262.50 | l | 217.50 | 20.17 | a | 0.00 | 2890.17 | |||||||||||
| 1968 | 0.00 | 1.00 | 11.00 | 37.00 | 272.50 | 597.50 | 789.50 | 613.00 | 0.00 | z | 175.00 | f | 2.00 | 0.00 | 2323.50 | |||||||||||
| 1969 | 4.00 | 2.50 | 14.00 | 153.33 | c | 471.50 | 493.00 | 796.50 | 783.00 | 583.00 | 46.50 | 4.50 | 3.00 | 3354.83 | ||||||||||||
| 1970 | 0.00 | 0.00 | 3.00 | 63.00 | 391.00 | 596.50 | 823.00 | 850.00 | 396.00 | 73.50 | 15.00 | 0.50 | 3211.50 | |||||||||||||
| 1971 | 1.50 | 1.00 | 28.50 | 106.00 | 322.00 | 651.00 | 884.00 | 909.00 | 208.50 | h | 152.50 | 0.00 | 2.50 | 3058.00 | ||||||||||||
| 1972 | 3.50 | 5.50 | 80.71 | b | 138.00 | 349.50 | 686.50 | 794.24 | b | 777.14 | b | 481.50 | 244.00 | 0.00 | 0.00 | f | 3560.59 | |||||||||
| 1973 | 0.00 | b | 0.00 | 0.00 | 64.82 | b | 336.23 | e | 557.59 | a | 338.00 | r | 787.52 | e | 430.50 | 98.00 | o | 0.00 | z | 0.00 | z | 2176.66 | ||||
| 1974 | 0.00 | n | 0.00 | 44.29 | c | 114.50 | 391.50 | 650.50 | 842.00 | 679.23 | c | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2722.02 | ||||||
| 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 | 453.10 | a | 234.00 | 33.50 | 5.00 | 725.60 | ||||
| 1978 | 0.00 | 0.00 | 81.50 | 199.00 | 378.50 | 653.00 | 865.00 | 747.00 | 500.50 | 191.00 | 6.00 | 0.00 | 3621.50 | |||||||||||||
| 1979 | 0.00 | 0.00 | 0.00 | 140.89 | b | 335.50 | 600.00 | 764.84 | b | 721.00 | 522.50 | 224.00 | 0.00 | a | 0.00 | 3308.74 | ||||||||||
| 1980 | 0.00 | 0.00 | 1.03 | a | 168.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 169.03 | ||||
| 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 | 16.50 | 61.50 | g | 207.50 | 488.00 | 776.50 | 881.50 | 500.50 | 155.50 | 29.00 | 0.00 | 3055.00 | ||||||||||
| 1984 | 0.00 | 0.00 | 0.00 | 53.00 | 381.50 | 518.50 | 862.00 | 768.00 | 472.50 | 84.00 | 8.28 | a | 0.00 | 3147.78 | ||||||||||||
| 1985 | 0.00 | 0.00 | 12.50 | 162.50 | 253.00 | i | 614.50 | 879.50 | 384.00 | n | 304.00 | 115.00 | 9.00 | 0.00 | 2097.00 | |||||||||||
| 1986 | 0.00 | 17.00 | 66.00 | 144.00 | 302.00 | 676.03 | a | 779.00 | 777.77 | c | 38.50 | w | 127.62 | a | 5.50 | 0.00 | 2894.92 | |||||||||
| 1987 | 0.00 | 0.00 | 8.50 | 205.00 | 421.00 | 105.50 | y | 768.50 | 678.50 | 444.50 | 187.50 | 34.00 | 3.00 | 2750.50 | ||||||||||||
| 1988 | 0.00 | 0.00 | 17.50 | 168.50 | 375.50 | 796.03 | a | 912.50 | 807.50 | 0.00 | z | 261.50 | 26.50 | 0.00 | 3365.53 | |||||||||||
| 1989 | 0.00 | 0.00 | 68.00 | 244.00 | 374.50 | 593.50 | 900.50 | 495.50 | k | 476.50 | 195.00 | 11.00 | 0.00 | 2863.00 | ||||||||||||
| 1990 | 0.00 | 0.00 | 36.50 | 224.00 | 331.50 | 0.00 | z | 560.50 | i | 771.50 | 625.00 | 173.60 | a | 16.50 | 0.00 | 2178.60 | ||||||||||
| 1991 | 0.00 | 0.00 | 15.50 | 124.00 | 361.50 | 617.50 | 831.00 | 824.50 | 467.00 | 217.50 | 8.00 | 0.00 | 3466.50 | |||||||||||||
| 1992 | 0.00 | 0.00 | 29.50 | 230.00 | 505.00 | 608.00 | 754.00 | 776.50 | 480.50 | 210.50 | 0.00 | 0.00 | a | 3594.00 | ||||||||||||
| 1993 | 0.00 | 0.00 | 39.00 | 86.50 | 409.50 | 548.50 | 694.00 | 713.00 | 427.00 | 174.50 | 0.00 | 0.00 | 3092.00 | |||||||||||||
| 1994 | 0.00 | 0.00 | 36.50 | 161.00 | 439.50 | 707.00 | 868.50 | 858.50 | 304.50 | l | 149.00 | 14.00 | 0.00 | 3234.00 | ||||||||||||
| 1995 | 0.00 | 4.00 | 54.50 | 75.00 | a | 259.00 | 531.00 | 762.00 | 830.00 | 508.00 | 125.00 | 27.00 | 7.00 | 3182.50 | ||||||||||||
| 1996 | 0.00 | 0.00 | 23.50 | 116.50 | 388.50 | 386.50 | j | 862.00 | 785.50 | 437.50 | 184.50 | 20.00 | 0.00 | 2818.00 | ||||||||||||
| 1997 | 1.00 | 0.00 | 44.50 | 77.50 | 354.00 | 633.00 | 780.00 | 772.50 | 526.00 | 174.50 | 9.50 | 0.00 | 3372.50 | |||||||||||||
| 1998 | 0.00 | 0.00 | 28.50 | 75.00 | 357.50 | 444.50 | 880.50 | 796.50 | 624.00 | 161.50 | 8.50 | 0.00 | a | 3376.50 | ||||||||||||
| 1999 | 0.00 | 0.61 | e | 36.50 | 94.50 | 315.00 | 326.50 | i | 833.26 | b | 768.28 | a | 362.40 | e | 108.50 | e | 11.50 | 0.00 | 2530.55 | |||||||
| 2000 | 8.55 | b | 0.00 | 11.92 | e | 167.50 | 411.30 | c | 608.57 | b | 880.52 | e | 867.48 | a | 319.50 | g | 120.00 | 0.00 | 0.00 | 3075.85 | ||||||
| 2001 | 0.00 | 0.00 | 30.50 | 146.50 | 370.93 | b | 620.00 | 894.50 | 845.27 | a | 530.19 | d | 162.50 | 19.50 | 0.00 | 3619.89 | ||||||||||
| 2002 | 0.00 | 0.00 | 3.00 | 152.50 | 199.50 | j | 452.00 | j | 934.00 | 749.50 | 485.50 | 86.00 | 0.50 | 0.00 | 2411.00 | |||||||||||
| 2003 | 0.00 | 1.50 | 29.50 | 140.50 | f | 349.50 | 573.46 | d | 951.00 | 856.50 | 417.00 | 253.50 | 0.50 | 0.00 | 3432.46 | |||||||||||
| 2004 | 0.00 | 0.00 | e | 89.00 | 117.00 | j | 386.00 | 588.00 | 794.50 | 705.50 | 463.00 | 141.50 | h | 6.50 | 0.00 | 3032.50 | ||||||||||
| 2005 | 0.00 | 0.00 | 8.50 | 95.50 | 348.50 | 520.00 | 847.00 | 729.00 | 443.50 | 191.50 | 46.00 | 0.00 | 3229.50 | |||||||||||||
| 2006 | 1.50 | 0.54 | b | 17.00 | 141.00 | 375.21 | b | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 535.25 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.55 | 1.52 | 27.27 | 137.04 | 368.48 | 602.57 | 836.84 | 777.58 | 471.15 | 168.38 | 13.56 | 0.69 | 3381.75 | |||||||||||||
| S.D. | 1.59 | 3.87 | 23.82 | 51.44 | 56.70 | 72.03 | 56.52 | 62.93 | 75.34 | 54.21 | 13.11 | 1.63 | 194.96 | |||||||||||||
| SKEW | 3.69 | 2.96 | 0.96 | 0.11 | -0.19 | 0.23 | -0.22 | -0.19 | -0.14 | -0.12 | 0.85 | 2.45 | 0.36 | |||||||||||||
| MAX | 8.55 | 17.00 | 89.00 | 244.00 | 505.00 | 796.03 | 951.00 | 909.00 | 625.00 | 281.50 | 46.00 | 7.00 | 3824.50 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 37.00 | 207.50 | 444.50 | 694.00 | 613.00 | 304.00 | 46.50 | 0.00 | 0.00 | 3092.00 | |||||||||||||
| NO YRS | 41 | 42 | 43 | 40 | 40 | 36 | 38 | 38 | 34 | 39 | 41 | 40 | 20 | |||||||||||||