| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1978 | 0.00 | z | 0.00 | z | 0.00 | z | 71.40 | e | 264.65 | d | 592.00 | 805.00 | 741.00 | 364.29 | b | 217.00 | 0.00 | 0.00 | b | 3055.33 | ||||||
| 1979 | 0.00 | 0.00 | 0.00 | b | 128.00 | 327.16 | c | 565.00 | 793.00 | 693.00 | 600.50 | 277.00 | 1.55 | a | 0.00 | i | 3385.21 | |||||||||
| 1980 | 0.00 | a | 0.00 | 0.00 | a | 125.50 | 244.38 | a | 562.50 | 882.00 | 780.00 | 471.96 | b | 211.50 | 23.50 | 2.14 | b | 3303.49 | ||||||||
| 1981 | 0.00 | 1.50 | 2.50 | 221.50 | 344.44 | d | 762.00 | 891.50 | 870.77 | c | 582.00 | 91.45 | a | 12.78 | c | 0.00 | b | 3780.44 | ||||||||
| 1982 | 0.00 | 5.00 | 20.50 | 97.00 | 352.37 | a | 585.50 | 813.00 | 816.50 | 416.50 | 54.50 | 0.00 | 0.00 | 3160.87 | ||||||||||||
| 1983 | 0.00 | 0.00 | 21.50 | 39.00 | 295.00 | 603.00 | 808.50 | 746.50 | 542.00 | 149.00 | 25.00 | 0.00 | 3229.50 | |||||||||||||
| 1984 | 0.00 | 0.00 | 0.00 | 99.31 | a | 521.50 | 598.50 | 880.00 | 772.50 | 514.00 | 90.50 | 1.50 | 0.00 | b | 3477.81 | |||||||||||
| 1985 | 0.00 | 0.00 | 14.00 | 227.50 | 429.00 | 775.50 | 908.50 | 756.50 | 341.50 | 112.12 | a | 4.00 | 0.00 | 3568.62 | ||||||||||||
| 1986 | 0.00 | 19.50 | 71.00 | 115.50 | 361.84 | b | 698.50 | 704.00 | 788.50 | 333.00 | 75.50 | 1.50 | 0.00 | 3168.84 | ||||||||||||
| 1987 | 0.00 | 0.00 | 1.50 | 164.00 | 332.50 | 636.00 | 722.50 | 742.50 | 495.50 | 197.00 | 9.83 | a | 0.00 | 3301.33 | ||||||||||||
| 1988 | 0.00 | c | 0.00 | z | 11.00 | 70.00 | 292.95 | a | 608.50 | 853.00 | 723.00 | 413.50 | 258.50 | 44.00 | 0.00 | 3274.45 | ||||||||||
| 1989 | 0.00 | z | 0.00 | 66.00 | 221.50 | 311.00 | 532.00 | 826.50 | 623.00 | 430.50 | 118.50 | 0.00 | 0.00 | 3129.00 | ||||||||||||
| 1990 | 0.00 | 0.00 | 32.50 | 124.00 | 273.00 | 585.50 | 845.50 | 707.50 | 514.50 | 144.50 | 1.00 | 0.00 | 3228.00 | |||||||||||||
| 1991 | 0.00 | 0.00 | 0.00 | 35.50 | 198.00 | 527.50 | 825.50 | 723.00 | 451.00 | 261.50 | 11.00 | 0.00 | 3033.00 | |||||||||||||
| 1992 | 0.00 | 0.00 | 2.50 | 192.50 | 449.50 | 530.00 | 739.50 | 777.00 | 470.50 | 202.00 | 0.00 | 0.00 | 3363.50 | |||||||||||||
| 1993 | 0.00 | 0.00 | 44.00 | 98.50 | 397.00 | 467.00 | 705.50 | 697.50 | 426.00 | 119.00 | 0.00 | 0.00 | 2954.50 | |||||||||||||
| 1994 | 0.00 | 0.00 | 22.50 | 114.00 | 338.50 | 672.50 | 866.00 | 778.50 | 430.00 | 85.00 | 0.00 | 0.00 | 3307.00 | |||||||||||||
| 1995 | 0.00 | 0.00 | 6.00 | 60.00 | 170.50 | 435.00 | 747.00 | 750.00 | 496.50 | 146.00 | 5.00 | 0.00 | 2816.00 | |||||||||||||
| 1996 | 0.00 | 5.50 | 13.50 | 119.00 | 337.00 | 668.00 | 881.00 | 796.00 | 414.00 | 177.50 | 0.00 | 0.00 | 3411.50 | |||||||||||||
| 1997 | 1.00 | 0.00 | 32.50 | 115.50 | 416.50 | 569.00 | 736.50 | 739.00 | 482.00 | 121.00 | 5.00 | 0.00 | 3218.00 | |||||||||||||
| 1998 | 0.00 | 0.00 | 22.00 | 60.00 | 149.50 | 401.50 | 793.00 | 810.00 | 457.00 | 66.00 | 5.00 | 0.00 | 2764.00 | |||||||||||||
| 1999 | 0.00 | 0.50 | 19.12 | a | 61.55 | a | 285.00 | 519.00 | 611.50 | g | 688.50 | 432.41 | a | 150.87 | a | 0.00 | z | 0.00 | 2156.95 | |||||||
| 2000 | 0.00 | z | 0.00 | 9.50 | 169.66 | a | 402.00 | 624.31 | a | 743.50 | 733.00 | 433.45 | a | 147.00 | 0.00 | 0.00 | 3262.41 | |||||||||
| 2001 | 0.00 | 0.00 | 43.00 | 101.00 | 446.00 | 611.50 | 714.00 | 791.02 | a | 515.00 | 217.00 | a | 10.00 | 0.00 | 3448.52 | |||||||||||
| 2002 | 0.00 | 0.00 | 16.50 | 168.50 | 297.50 | 612.00 | 867.00 | 698.50 | 459.00 | 75.00 | 0.00 | 0.00 | 3194.00 | |||||||||||||
| 2003 | 0.00 | 0.00 | 39.50 | 77.00 | 343.00 | 624.00 | 883.50 | 749.00 | 490.50 | 269.50 | 0.00 | 0.00 | b | 3476.00 | ||||||||||||
| 2004 | 0.00 | 0.00 | 100.50 | 113.00 | 333.00 | 626.00 | 770.50 | 669.00 | 406.50 | 143.00 | 4.00 | 0.00 | 3165.50 | |||||||||||||
| 2005 | 0.00 | 0.00 | 9.50 | 58.00 | 330.00 | 483.50 | 871.00 | 715.00 | 0.00 | z | 141.50 | 25.50 | 0.00 | 2634.00 | ||||||||||||
| 2006 | 0.00 | 6.50 | 2.50 | 113.50 | 411.50 | 681.50 | 859.00 | 664.50 | 384.50 | 110.00 | 8.00 | 0.00 | 3241.50 | |||||||||||||
| 2007 | 0.00 | 0.00 | h | 47.00 | 123.00 | g | 360.00 | 609.50 | 896.00 | 771.50 | 443.00 | 97.00 | 10.50 | 0.00 | 3234.50 | |||||||||||
| 2008 | 0.00 | 0.00 | 13.50 | 40.00 | k | 65.00 | j | 233.50 | n | 822.00 | 800.00 | 472.50 | 144.50 | 14.50 | 0.00 | 2267.00 | ||||||||||
| 2009 | 0.00 | 0.00 | 25.00 | 81.50 | 454.87 | e | 461.00 | 817.00 | 677.50 | 566.50 | 92.50 | 3.00 | 0.00 | 3178.87 | ||||||||||||
| 2010 | 0.00 | 0.00 | 8.50 | 76.50 | 121.00 | g | 586.00 | 835.50 | 727.50 | 450.00 | 196.00 | 14.50 | 0.00 | 2894.50 | ||||||||||||
| 2011 | 0.00 | 0.00 | a | 9.50 | 83.28 | a | 190.81 | b | 519.83 | a | 766.73 | a | 770.87 | a | 511.20 | e | 173.00 | 1.07 | b | 0.00 | 3026.29 | |||||
| 2012 | 0.00 | 0.00 | 51.00 | 162.00 | 357.50 | 617.00 | 755.00 | 817.00 | 501.21 | a | 177.50 | 10.50 | 0.00 | 3448.71 | ||||||||||||
| 2013 | 0.00 | 0.00 | 42.62 | c | 6.00 | 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 | 42.62 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.03 | 1.17 | 23.45 | 114.08 | 333.86 | 586.77 | 812.58 | 745.86 | 462.13 | 151.70 | 7.42 | 0.06 | 3250.63 | |||||||||||||
| S.D. | 0.17 | 3.69 | 23.36 | 51.97 | 85.24 | 83.57 | 61.76 | 51.85 | 62.55 | 61.13 | 9.85 | 0.37 | 228.52 | |||||||||||||
| SKEW | 5.48 | 4.05 | 1.39 | 0.70 | -0.19 | 0.00 | -0.26 | -0.06 | 0.10 | 0.45 | 1.93 | 5.57 | -0.08 | |||||||||||||
| MAX | 1.00 | 19.50 | 100.50 | 227.50 | 521.50 | 775.50 | 908.50 | 870.77 | 600.50 | 277.00 | 44.00 | 2.14 | 3780.44 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 35.50 | 149.50 | 401.50 | 704.00 | 623.00 | 333.00 | 54.50 | 0.00 | 0.00 | 2764.00 | |||||||||||||
| NO YRS | 33 | 33 | 35 | 33 | 33 | 34 | 34 | 35 | 34 | 35 | 34 | 34 | 25 | |||||||||||||