| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1962 | 0.00 | z | 65.69 | b | 19.50 | 252.50 | 447.00 | 623.50 | 797.50 | 868.00 | 541.00 | 353.50 | 86.25 | b | 40.50 | 4094.94 | ||||||||||
| 1963 | 6.50 | 47.70 | a | 146.00 | 169.00 | 410.00 | 692.00 | 961.00 | 941.00 | 777.60 | e | 577.00 | 84.00 | 41.00 | 4852.80 | |||||||||||
| 1964 | 9.00 | 0.00 | 17.50 | 149.00 | 451.50 | 640.50 | 1038.50 | 831.00 | 554.00 | 375.00 | 117.50 | 18.00 | 4201.50 | |||||||||||||
| 1965 | 16.00 | 42.00 | 7.00 | 166.00 | 358.50 | 586.50 | 873.00 | 803.50 | 247.50 | 428.00 | 115.00 | 60.50 | 3703.50 | |||||||||||||
| 1966 | 8.00 | 7.50 | 125.00 | 70.50 | 506.00 | 707.50 | 1069.00 | 775.50 | 629.50 | 295.00 | 65.00 | 29.50 | 4288.00 | |||||||||||||
| 1967 | 26.50 | 18.50 | 84.00 | 151.50 | 317.00 | 545.50 | 940.85 | a | 930.00 | a | 619.00 | 325.50 | 76.50 | 5.50 | 4040.35 | |||||||||||
| 1968 | 46.50 | 7.00 | 126.00 | 119.00 | 267.50 | 665.50 | 896.50 | 798.50 | 569.00 | 367.00 | 44.50 | 15.00 | 3922.00 | |||||||||||||
| 1969 | 0.00 | a | 5.00 | 28.50 | 275.00 | 538.00 | 523.00 | 909.00 | 1043.00 | 758.50 | 127.50 | 112.00 | 37.50 | 4357.00 | ||||||||||||
| 1970 | 12.50 | 27.00 | 10.33 | a | 93.50 | 495.50 | 815.00 | 1013.00 | 1008.50 | 584.00 | 223.00 | 39.50 | 5.00 | 4326.83 | ||||||||||||
| 1971 | 3.50 | 11.00 | 30.00 | 151.00 | 336.00 | 739.00 | 864.50 | 1014.00 | 395.00 | f | 216.47 | b | 17.07 | a | 7.00 | 3389.53 | ||||||||||
| 1972 | 6.50 | 35.50 | 116.00 | 118.50 | 411.00 | 704.50 | 790.00 | 870.50 | 555.50 | 262.50 | 35.00 | 24.50 | 3930.00 | |||||||||||||
| 1973 | 53.50 | 30.00 | 19.08 | e | 119.00 | 382.00 | 705.00 | 914.50 | 972.00 | 494.00 | 358.00 | 62.50 | 19.50 | 4129.08 | ||||||||||||
| 1974 | 45.00 | 21.00 | 82.50 | 194.00 | 389.00 | 784.00 | 1085.50 | 818.40 | a | 522.00 | 398.50 | 61.00 | 19.00 | 4419.90 | ||||||||||||
| 1975 | 1.50 | 0.00 | 20.00 | 99.00 | 0.00 | z | 627.50 | 1045.50 | 909.00 | 574.00 | 399.50 | 165.00 | 36.50 | 3877.50 | ||||||||||||
| 1976 | 24.50 | 42.50 | 49.08 | a | 164.00 | 366.50 | g | 686.00 | 976.00 | 920.50 | 675.50 | 238.50 | 73.50 | 26.50 | 3876.58 | |||||||||||
| 1977 | 0.00 | 16.00 | 46.00 | 283.50 | 549.00 | 798.62 | a | 963.67 | b | 737.50 | 630.50 | 315.00 | 75.50 | 16.00 | 4431.29 | |||||||||||
| 1978 | 0.00 | 0.00 | 113.50 | 83.00 | 382.50 | 682.50 | 877.82 | a | 884.50 | 715.50 | 310.00 | 94.50 | 0.00 | 4143.82 | ||||||||||||
| 1979 | 0.00 | 8.00 | 38.00 | 130.50 | 336.00 | 601.50 | 844.00 | 801.50 | 800.00 | 320.00 | 50.50 | 63.50 | 3993.50 | |||||||||||||
| 1980 | 6.50 | 20.00 | 11.88 | a | 194.50 | 392.50 | 762.00 | 1030.00 | 796.04 | c | 610.50 | 327.00 | 107.59 | a | 95.58 | a | 4354.09 | |||||||||
| 1981 | 49.50 | 34.50 | 33.50 | 293.50 | 313.50 | 659.00 | 912.50 | 879.50 | 675.50 | 266.50 | 181.03 | a | 26.00 | 4324.53 | ||||||||||||
| 1982 | 3.50 | 62.00 | 42.00 | 138.50 | 325.00 | 505.00 | 952.50 | 905.00 | 549.50 | 200.00 | 31.50 | 13.00 | 3727.50 | |||||||||||||
| 1983 | 16.50 | 43.00 | 63.50 | 81.50 | 297.50 | 626.50 | 1058.00 | 1107.50 | 616.00 | 271.50 | 100.50 | 0.00 | 4282.00 | |||||||||||||
| 1984 | 34.00 | 26.50 | 24.00 | 93.50 | 354.00 | 619.50 | 914.00 | 1017.00 | 465.50 | 249.50 | 73.00 | 32.50 | 3903.00 | |||||||||||||
| 1985 | 2.00 | 6.00 | 55.00 | 303.50 | 640.00 | 648.00 | 1023.50 | 857.15 | a | 490.50 | 221.00 | 32.50 | 4.00 | 4283.15 | ||||||||||||
| 1986 | 70.50 | 45.00 | 174.00 | 129.00 | 399.00 | 798.00 | 915.00 | 865.00 | 362.50 | 260.00 | 48.00 | 4.50 | 4070.50 | |||||||||||||
| 1987 | 35.00 | 40.00 | 73.00 | 359.50 | 523.00 | 764.50 | 984.00 | 773.00 | 584.50 | 256.50 | 91.50 | 40.50 | 4525.00 | |||||||||||||
| 1988 | 25.50 | 40.00 | 67.50 | l | 240.50 | 518.50 | 984.50 | 1017.50 | 974.00 | 575.00 | 286.50 | 63.50 | 50.00 | 4775.50 | ||||||||||||
| 1989 | 25.50 | 0.00 | 106.50 | 195.50 | 427.00 | 672.50 | 1030.50 | 904.50 | 574.00 | 295.50 | 50.50 | 17.50 | 4299.50 | |||||||||||||
| 1990 | 15.50 | i | 7.00 | 51.50 | 173.00 | 295.50 | 726.00 | 863.50 | 921.00 | 747.00 | 249.00 | 150.00 | 50.00 | 4233.50 | ||||||||||||
| 1991 | 4.00 | 50.00 | 61.50 | 158.50 | 422.00 | 743.00 | 899.50 | 975.50 | 587.00 | 316.00 | 31.50 | 16.50 | 4265.00 | |||||||||||||
| 1992 | 36.50 | 58.00 | 76.50 | 217.00 | 480.00 | 558.00 | 610.00 | 676.00 | 587.00 | 310.50 | 17.07 | a | 0.00 | 3626.57 | ||||||||||||
| 1993 | 7.50 | 9.50 | 72.50 | 76.50 | 376.00 | 506.00 | 669.50 | 730.00 | 352.50 | 225.50 | 13.00 | 15.00 | 3053.50 | |||||||||||||
| 1994 | 15.00 | 10.50 | 82.50 | 196.50 | 520.50 | 720.00 | 815.00 | 862.50 | 648.00 | 202.00 | 42.50 | 62.00 | 4177.00 | |||||||||||||
| 1995 | 30.50 | 61.00 | 112.50 | 35.00 | 181.50 | 567.00 | 850.50 | 978.00 | 528.50 | 191.00 | 71.50 | 19.00 | 3626.00 | |||||||||||||
| 1996 | 27.50 | 48.00 | 35.00 | 137.50 | 224.00 | 713.00 | 836.50 | 884.69 | e | 453.00 | 257.50 | 16.50 | 17.50 | 3650.69 | ||||||||||||
| 1997 | 40.50 | 8.50 | 112.00 | 77.00 | 235.71 | b | 673.50 | 811.00 | 774.50 | 618.50 | 322.00 | 43.00 | 30.00 | 3746.21 | ||||||||||||
| 1998 | 15.00 | 10.50 | 51.00 | 143.00 | 405.50 | 439.00 | 895.50 | 860.50 | 750.50 | 216.00 | 83.79 | a | 42.00 | 3912.29 | ||||||||||||
| 1999 | 6.00 | 24.00 | 59.00 | 71.50 | 313.50 | 581.50 | 901.00 | 895.50 | 436.50 | 325.50 | 269.00 | 37.00 | 3920.00 | |||||||||||||
| 2000 | 7.00 | 64.50 | 67.50 | 136.50 | 429.50 | 606.00 | 925.50 | 987.50 | 666.00 | 294.00 | 5.00 | 1.50 | 4190.50 | |||||||||||||
| 2001 | 20.00 | 0.00 | 13.00 | 180.00 | 388.50 | 631.50 | 959.50 | 1001.50 | 611.00 | 216.50 | 224.48 | a | 7.50 | 4253.48 | ||||||||||||
| 2002 | 21.00 | 20.00 | 3.50 | 135.50 | 260.50 | 767.00 | 1055.00 | 813.00 | 561.00 | 0.00 | z | 68.50 | 25.00 | 3730.00 | ||||||||||||
| 2003 | 26.00 | 9.00 | 75.50 | 181.50 | 344.50 | 526.50 | 1033.00 | 987.50 | 509.50 | 403.50 | 30.00 | 18.60 | a | 4145.10 | ||||||||||||
| 2004 | 9.00 | 25.50 | 103.00 | 191.00 | 359.00 | 521.00 | 856.00 | 736.50 | 543.50 | 236.50 | 73.00 | 8.00 | 3662.00 | |||||||||||||
| 2005 | 47.00 | 36.50 | 39.00 | 172.50 | 303.00 | 677.50 | 968.50 | 819.00 | 678.00 | 318.50 | 107.00 | 19.00 | 4185.50 | |||||||||||||
| 2006 | 27.26 | b | 11.00 | 44.50 | 248.00 | 452.00 | 757.50 | 1050.50 | 840.50 | 431.50 | 200.00 | 109.50 | 21.50 | 4193.76 | ||||||||||||
| 2007 | 14.50 | 4.50 | 154.50 | 140.50 | 475.00 | 760.50 | 1034.50 | 912.50 | 617.50 | 275.00 | 121.50 | 6.00 | 4516.50 | |||||||||||||
| 2008 | 15.50 | 0.00 | 23.00 | 0.00 | z | 0.00 | z | 550.34 | a | 875.50 | 827.50 | 490.50 | 218.50 | 90.50 | 1.00 | 3092.34 | ||||||||||
| 2009 | 31.00 | 31.50 | 105.00 | 113.50 | 373.00 | 524.50 | 763.00 | 766.50 | 632.00 | 55.00 | 132.93 | a | 0.00 | c | 3527.93 | |||||||||||
| 2010 | 24.00 | 0.00 | 83.00 | 119.50 | 250.50 | 590.00 | 861.50 | 943.50 | 600.50 | 385.00 | 94.00 | 8.50 | 3960.00 | |||||||||||||
| 2011 | 0.50 | 17.63 | a | 27.50 | 72.50 | 208.50 | 635.00 | 990.00 | 915.00 | 605.00 | 308.00 | 53.00 | 6.50 | 3839.13 | ||||||||||||
| 2012 | 22.50 | 0.00 | 278.00 | 234.00 | 388.50 | 808.50 | 1066.50 | 919.00 | 713.50 | 217.00 | 121.50 | 31.50 | 4800.50 | |||||||||||||
| 2013 | 19.50 | 0.50 | 45.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 65.00 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 19.91 | 23.25 | 67.40 | 160.57 | 384.44 | 661.76 | 927.22 | 883.01 | 582.37 | 285.33 | 80.85 | 23.38 | 4087.45 | |||||||||||||
| S.D. | 16.49 | 20.05 | 51.38 | 69.52 | 98.11 | 103.46 | 103.01 | 91.89 | 109.74 | 84.06 | 52.26 | 19.91 | 346.54 | |||||||||||||
| SKEW | 0.87 | 0.57 | 1.59 | 0.71 | 0.17 | 0.33 | -0.71 | 0.06 | -0.51 | 0.49 | 1.35 | 1.26 | -0.38 | |||||||||||||
| MAX | 70.50 | 65.69 | 278.00 | 359.50 | 640.00 | 984.50 | 1085.50 | 1107.50 | 800.00 | 577.00 | 269.00 | 95.58 | 4852.80 | |||||||||||||
| MIN | 0.00 | 0.00 | 3.50 | 35.00 | 181.50 | 439.00 | 610.00 | 676.00 | 247.50 | 55.00 | 5.00 | 0.00 | 3053.50 | |||||||||||||
| NO YRS | 50 | 52 | 51 | 50 | 48 | 51 | 51 | 51 | 50 | 50 | 51 | 51 | 43 | |||||||||||||