YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 0.00 | z | 195.50 | 69.00 | 0.00 | a | 264.50 | |||
1978 | 0.00 | 0.00 | 6.00 | 73.00 | 478.00 | 643.00 | 775.00 | 814.30 | c | 598.50 | 230.50 | 72.50 | 0.00 | 3690.80 | ||||||||||||
1979 | 0.00 | 0.00 | 16.00 | 96.50 | 273.00 | 597.50 | 808.00 | 752.86 | c | 540.50 | 131.50 | 23.00 | 0.00 | a | 3238.86 | |||||||||||
1980 | 0.00 | 0.00 | 1.50 | 170.00 | 495.00 | 585.00 | 818.50 | 806.50 | 457.50 | 128.50 | 25.00 | 0.00 | 3487.50 | |||||||||||||
1981 | 3.50 | 28.50 | 26.00 | 156.50 | 349.50 | 669.00 | 829.50 | 809.50 | 444.50 | 193.50 | 93.00 | 0.00 | 3603.00 | |||||||||||||
1982 | 0.00 | 0.00 | 9.00 | 123.50 | 550.50 | 486.00 | 855.50 | 661.50 | 495.50 | 285.50 | 28.50 | 21.50 | 3517.00 | |||||||||||||
1983 | 0.00 | 3.50 | 8.00 | 38.79 | a | 266.50 | 702.00 | 975.50 | 928.50 | 595.00 | 204.00 | 39.00 | 0.00 | 3760.79 | ||||||||||||
1984 | 0.00 | 5.00 | 0.00 | 147.50 | 353.00 | 728.50 | 791.00 | 875.50 | 436.50 | 353.00 | 40.50 | 0.00 | b | 3730.50 | ||||||||||||
1985 | 0.00 | a | 0.00 | 23.50 | 218.50 | 472.50 | 579.50 | 755.00 | 711.00 | 519.50 | 252.00 | 9.50 | 0.00 | 3541.00 | ||||||||||||
1986 | 0.00 | 0.00 | 45.50 | 209.00 | 502.20 | a | 639.50 | 872.50 | 720.00 | 496.00 | 213.50 | 5.50 | 0.00 | 3703.70 | ||||||||||||
1987 | 0.00 | 0.00 | 80.00 | 287.00 | 513.50 | 742.50 | 919.50 | 808.00 | 570.00 | 117.00 | 55.00 | 0.00 | 4092.50 | |||||||||||||
1988 | 0.00 | 0.00 | 3.00 | 135.50 | 586.00 | 735.50 | 953.50 | 853.00 | 564.50 | 137.00 | 9.50 | 0.00 | 3977.50 | |||||||||||||
1989 | 0.00 | 0.00 | 27.00 | 90.50 | 433.00 | 591.00 | 887.50 | 826.00 | 592.00 | 279.00 | 3.50 | 0.00 | 3729.50 | |||||||||||||
1990 | 0.00 | 0.00 | 54.50 | 258.50 | 284.00 | 658.00 | 788.00 | 795.50 | 522.00 | 164.00 | 81.00 | 0.00 | 3605.50 | |||||||||||||
1991 | 0.00 | 5.50 | 15.50 | 231.00 | 568.00 | 744.50 | 822.50 | 844.50 | 464.00 | 159.00 | 6.00 | 0.00 | 3860.50 | |||||||||||||
1992 | 0.00 | 0.00 | 1.00 | 87.00 | 533.50 | 529.00 | 620.50 | 665.50 | 552.00 | 209.50 | 11.50 | 0.00 | 3209.50 | |||||||||||||
1993 | 0.00 | 0.00 | 8.00 | 59.00 | 376.50 | 573.00 | 819.50 | 849.50 | 372.00 | 170.50 | 0.00 | 0.00 | 3228.00 | |||||||||||||
1994 | 0.00 | 8.50 | 8.00 | 106.50 | 401.50 | 686.00 | 788.50 | 0.00 | z | 594.50 | 345.50 | 56.50 | 1.00 | 2996.50 | ||||||||||||
1995 | 0.00 | 0.00 | 45.00 | 15.00 | 393.50 | 779.50 | 868.00 | 944.00 | 490.00 | 252.00 | 1.00 | 0.00 | 3788.00 | |||||||||||||
1996 | 0.00 | 0.00 | 13.00 | 45.00 | 306.50 | 690.00 | 677.50 | 815.00 | 531.00 | 271.00 | 12.50 | 0.00 | 3361.50 | |||||||||||||
1997 | 0.00 | 0.00 | 8.00 | 105.50 | 219.50 | 751.00 | 776.50 | 687.50 | 572.00 | 299.50 | 7.50 | 0.00 | 3427.00 | |||||||||||||
1998 | 0.00 | 8.50 | 44.00 | 184.50 | 538.50 | 629.50 | 823.00 | 891.50 | 658.00 | 322.00 | 27.50 | 7.00 | 4134.00 | |||||||||||||
1999 | 0.00 | z | 0.00 | 37.50 | 108.50 | 493.50 | 708.50 | 941.00 | 767.00 | 562.50 | 176.50 | 87.50 | 0.00 | 3882.50 | ||||||||||||
2000 | 0.00 | 25.00 | 104.50 | 86.50 | 485.00 | 603.50 | 802.00 | 827.00 | 504.50 | 336.00 | 84.00 | 0.00 | 3858.00 | |||||||||||||
2001 | 0.00 | 0.00 | 0.50 | 183.00 | 495.00 | 710.00 | 839.50 | 886.00 | 517.50 | 228.50 | 162.00 | 8.00 | 4030.00 | |||||||||||||
2002 | 2.50 | 0.00 | 0.00 | 135.00 | 278.50 | 716.50 | 951.00 | 812.50 | 0.00 | z | 137.50 | 2.00 | 0.00 | 3035.50 | ||||||||||||
2003 | 0.00 | 0.00 | 0.00 | z | 128.00 | 384.00 | 638.00 | 799.00 | 852.50 | 607.00 | 220.50 | 15.50 | 3.00 | 3647.50 | ||||||||||||
2004 | 0.00 | 0.50 | 14.00 | 98.00 | 322.00 | 581.00 | 772.00 | 0.00 | z | 745.00 | 287.50 | 33.00 | 0.00 | 2853.00 | ||||||||||||
2005 | 0.00 | 0.00 | 36.00 | 218.00 | 393.50 | 850.00 | 919.50 | 878.00 | 738.00 | 312.50 | 45.00 | 0.00 | 4390.50 | |||||||||||||
2006 | 5.00 | 0.00 | 31.00 | 267.00 | 459.50 | 695.00 | 988.50 | 839.00 | 478.50 | 159.00 | 52.50 | 0.00 | 3975.00 | |||||||||||||
2007 | 0.00 | 0.00 | 80.50 | 176.50 | 599.50 | 778.00 | 854.00 | 864.00 | 634.00 | 372.50 | 37.00 | 0.00 | 4396.00 | |||||||||||||
2008 | 0.00 | 0.00 | 3.00 | 132.50 | 264.50 | 646.00 | 851.50 | 788.00 | 625.50 | 250.00 | 87.00 | 0.00 | 3648.00 | |||||||||||||
2009 | 0.00 | 4.00 | 21.00 | 115.00 | 406.00 | 603.50 | 665.00 | 743.00 | 663.50 | 123.50 | 80.00 | 0.00 | 3424.50 | |||||||||||||
2010 | 0.00 | 0.00 | 73.00 | 277.50 | 548.00 | 648.50 | 940.50 | 969.00 | 434.50 | 277.50 | 70.50 | 0.00 | 4239.00 | |||||||||||||
2011 | 0.00 | 12.50 | 7.50 | 132.00 | 421.82 | c | 657.00 | 961.53 | b | 860.00 | 539.00 | 358.00 | 55.50 | 0.50 | 4005.36 | |||||||||||
2012 | 0.00 | 0.00 | 254.64 | c | 125.69 | a | 559.00 | 751.67 | c | 965.65 | a | 828.00 | 501.50 | 131.00 | k | 0.00 | z | 0.00 | z | 3986.15 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.32 | 2.90 | 32.52 | 143.47 | 428.69 | 666.48 | 842.16 | 817.38 | 547.54 | 232.94 | 42.53 | 1.17 | 3746.66 | |||||||||||||
S.D. | 1.10 | 6.70 | 47.48 | 69.53 | 106.84 | 78.11 | 89.51 | 74.28 | 83.56 | 76.01 | 36.42 | 3.98 | 328.19 | |||||||||||||
SKEW | 3.32 | 2.80 | 3.24 | 0.41 | -0.25 | -0.03 | -0.35 | -0.32 | 0.40 | 0.17 | 1.04 | 4.21 | 0.24 | |||||||||||||
MAX | 5.00 | 28.50 | 254.64 | 287.00 | 599.50 | 850.00 | 988.50 | 969.00 | 745.00 | 372.50 | 162.00 | 21.50 | 4396.00 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 15.00 | 219.50 | 486.00 | 620.50 | 661.50 | 372.00 | 117.00 | 0.00 | 0.00 | 3209.50 | |||||||||||||
NO YRS | 34 | 35 | 34 | 35 | 35 | 35 | 35 | 33 | 34 | 35 | 35 | 35 | 29 |