YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | 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 | 290.00 | n | 671.31 | b | 671.31 | |
1972 | 671.00 | 482.00 | 421.00 | 515.50 | 337.00 | 187.00 | 115.73 | a | 106.43 | a | 191.50 | 330.50 | 429.00 | 681.00 | 4467.67 | |||||||||||
1973 | 628.00 | 417.50 | 561.00 | 403.50 | 282.00 | 175.00 | 120.00 | 140.50 | 114.50 | 348.00 | 547.00 | 557.00 | 4294.00 | |||||||||||||
1974 | 748.50 | 590.00 | 562.50 | 496.50 | 374.00 | 255.00 | 147.50 | 111.50 | 139.00 | 360.50 | 487.00 | 608.50 | 4880.50 | |||||||||||||
1975 | 614.00 | 556.50 | 609.00 | 595.50 | 375.00 | 246.00 | 127.00 | 150.00 | 185.00 | 343.50 | 570.50 | 619.50 | 4991.50 | |||||||||||||
1976 | 626.50 | 623.50 | 635.00 | 555.00 | 385.00 | 326.50 | 156.00 | 129.00 | 146.00 | 327.50 | 388.50 | 682.50 | 4981.00 | |||||||||||||
1977 | 657.00 | 420.00 | 620.50 | 447.00 | 430.50 | 200.50 | 172.00 | 62.50 | 199.50 | 304.00 | 517.50 | 516.00 | 4547.00 | |||||||||||||
1978 | 541.50 | 453.50 | 408.50 | 458.50 | 385.00 | 146.00 | 107.00 | 82.00 | 165.50 | 269.50 | 603.00 | 777.50 | 4397.50 | |||||||||||||
1979 | 742.50 | 550.00 | 467.00 | 425.50 | 330.00 | 235.50 | 100.50 | 87.50 | 72.00 | 240.50 | 500.50 | 548.50 | 4300.00 | |||||||||||||
1980 | 711.50 | 444.00 | 563.00 | 429.50 | 386.47 | a | 276.50 | 113.50 | 167.50 | 174.50 | 293.50 | 423.00 | 525.50 | 4508.47 | ||||||||||||
1981 | 489.00 | 482.00 | 495.00 | 441.00 | 355.50 | 205.00 | 143.50 | 88.50 | 146.50 | 344.50 | 450.00 | 532.00 | 4172.50 | |||||||||||||
1982 | 706.00 | 553.50 | 577.50 | 526.50 | 393.50 | 224.00 | 164.50 | 107.50 | 153.50 | 294.50 | 540.00 | 626.50 | 4867.50 | |||||||||||||
1983 | 576.50 | 447.50 | 433.50 | 453.00 | 331.50 | 214.50 | 130.00 | 81.50 | 167.50 | 290.00 | 437.50 | 622.50 | 4185.50 | |||||||||||||
1984 | 587.50 | 520.00 | 457.50 | 489.50 | 357.50 | 265.00 | 160.00 | 102.00 | 170.00 | 359.50 | 501.00 | 717.00 | 4686.50 | |||||||||||||
1985 | 651.50 | 587.50 | 633.00 | 411.50 | 363.50 | 210.50 | 81.50 | 138.50 | 195.50 | 357.50 | 675.00 | 662.00 | 4967.50 | |||||||||||||
1986 | 534.50 | 445.50 | 420.50 | 466.00 | 345.50 | 168.00 | 127.00 | 83.50 | 206.50 | 277.50 | 441.00 | 600.00 | 4115.50 | |||||||||||||
1987 | 636.50 | 517.00 | 481.00 | 374.50 | 269.50 | 209.00 | 157.50 | 110.50 | 167.50 | 270.50 | 425.50 | 665.50 | 4284.50 | |||||||||||||
1988 | 628.50 | 512.68 | a | 534.50 | 415.00 | 380.00 | 236.50 | 133.00 | 155.00 | 188.00 | 194.50 | 454.00 | 639.00 | 4470.68 | ||||||||||||
1989 | 651.00 | 702.00 | 536.00 | 338.50 | 337.50 | 195.00 | 148.00 | 94.50 | 159.00 | 313.50 | 447.50 | 587.00 | 4509.50 | |||||||||||||
1990 | 586.00 | 585.00 | 466.00 | 376.50 | 362.00 | 212.50 | 74.00 | 52.50 | 74.50 | 345.00 | 472.00 | 814.50 | 4420.50 | |||||||||||||
1991 | 662.50 | 365.50 | 598.50 | 473.00 | 418.50 | 287.50 | 110.00 | 93.50 | 123.50 | 292.00 | 408.50 | 646.00 | 4479.00 | |||||||||||||
1992 | 569.00 | 390.00 | 395.50 | 317.50 | 250.50 | 166.00 | 82.00 | 94.00 | 164.50 | 273.50 | 463.50 | 675.50 | 3841.50 | |||||||||||||
1993 | 713.50 | 570.50 | 401.50 | 416.50 | 258.00 | 207.00 | 170.50 | 100.00 | 206.50 | 283.50 | 623.00 | 639.50 | 4590.00 | |||||||||||||
1994 | 549.50 | 572.50 | 488.50 | 420.00 | 290.50 | 242.50 | 151.50 | 84.00 | 125.00 | 343.00 | 637.50 | 592.50 | 4497.00 | |||||||||||||
1995 | 509.50 | 394.00 | 516.00 | 454.50 | 328.50 | 232.50 | 69.00 | 131.50 | 100.50 | 307.00 | 358.50 | 489.50 | 3891.00 | |||||||||||||
1996 | 577.50 | 446.50 | 491.00 | 388.50 | 384.00 | 228.00 | 115.00 | 128.00 | 190.00 | 326.50 | 451.00 | 555.50 | 4281.50 | |||||||||||||
1997 | 613.50 | 511.00 | 500.50 | 427.50 | 211.00 | 200.50 | 103.50 | 56.00 | 78.00 | 295.50 | 426.50 | 667.00 | 4090.50 | |||||||||||||
1998 | 501.00 | 509.00 | 511.50 | 477.50 | 370.00 | 239.50 | 93.00 | 102.00 | 151.50 | 304.50 | 461.00 | 717.00 | 4437.50 | |||||||||||||
1999 | 625.00 | 550.50 | 612.00 | 491.00 | 445.50 | 247.00 | 204.50 | 101.00 | 215.00 | 326.00 | 405.00 | 616.00 | 4838.50 | |||||||||||||
2000 | 641.00 | 508.00 | 614.00 | 402.00 | 322.50 | 198.00 | 144.00 | 136.50 | 143.50 | 317.00 | 560.00 | 586.00 | 4572.50 | |||||||||||||
2001 | 616.50 | 571.00 | 511.50 | 519.50 | 344.50 | 268.00 | 160.00 | 102.50 | 161.00 | 339.00 | 422.50 | 605.50 | 4621.50 | |||||||||||||
2002 | 641.00 | 513.00 | 624.50 | 442.00 | 411.00 | 208.50 | 100.50 | 149.00 | 137.00 | 392.50 | 407.00 | 534.50 | 4560.50 | |||||||||||||
2003 | 461.50 | 523.00 | 447.00 | 488.00 | 328.00 | 184.00 | 98.00 | 99.00 | 142.00 | 225.50 | 544.00 | 598.00 | 4138.00 | |||||||||||||
2004 | 564.95 | b | 535.50 | 435.50 | 395.50 | 288.09 | b | 179.00 | 63.00 | 25.50 | 132.00 | 299.50 | 519.50 | 574.50 | 4012.53 | |||||||||||
2005 | 617.50 | 501.50 | 413.00 | 437.50 | 261.50 | 199.00 | 71.00 | 93.50 | 194.50 | 290.00 | 493.50 | 587.00 | 4159.50 | |||||||||||||
2006 | 537.00 | 540.50 | 614.50 | 457.50 | 321.50 | 161.50 | 108.00 | 168.50 | 165.00 | 363.50 | 481.00 | 609.50 | 4528.00 | |||||||||||||
2007 | 725.00 | 545.00 | 476.50 | 456.50 | 353.50 | 246.00 | 68.50 | 87.50 | 205.00 | 360.50 | 514.50 | 666.00 | 4704.50 | |||||||||||||
2008 | 749.00 | 587.50 | 619.00 | 541.50 | 354.00 | 194.50 | j | 162.50 | 96.50 | 206.00 | 332.00 | 393.00 | 705.50 | 4746.50 | ||||||||||||
2009 | 610.50 | 542.50 | 610.00 | 497.50 | 337.50 | 187.50 | 99.00 | 85.00 | 118.50 | 337.50 | 498.50 | 711.50 | 4635.50 | |||||||||||||
2010 | 490.00 | 453.50 | 538.00 | 516.00 | 403.00 | 232.00 | 185.00 | 129.00 | 115.00 | 324.50 | 516.50 | 550.00 | 4452.50 | |||||||||||||
2011 | 581.00 | 610.00 | 537.50 | 538.00 | 446.00 | 243.00 | 138.00 | 90.50 | 117.93 | a | 282.50 | 526.00 | 717.00 | 4827.43 | ||||||||||||
2012 | 612.50 | 573.50 | 622.50 | 410.00 | 378.00 | 247.00 | 113.50 | 118.00 | 212.00 | 310.50 | 413.00 | 639.00 | 4649.50 | |||||||||||||
2013 | 694.00 | 559.00 | 506.85 | a | 21.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 23.50 | z | 1759.85 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 615.47 | 518.16 | 523.03 | 453.32 | 348.45 | 219.80 | 124.10 | 105.41 | 156.58 | 311.96 | 483.73 | 627.04 | 4471.41 | |||||||||||||
S.D. | 73.52 | 69.86 | 75.61 | 58.84 | 53.45 | 37.40 | 35.05 | 30.75 | 38.68 | 39.81 | 72.01 | 70.76 | 292.00 | |||||||||||||
SKEW | -0.05 | -0.09 | -0.04 | 0.08 | -0.44 | 0.42 | 0.12 | 0.01 | -0.43 | -0.66 | 0.70 | 0.37 | -0.13 | |||||||||||||
MAX | 749.00 | 702.00 | 635.00 | 595.50 | 446.00 | 326.50 | 204.50 | 168.50 | 215.00 | 392.50 | 675.00 | 814.50 | 4991.50 | |||||||||||||
MIN | 461.50 | 365.50 | 395.50 | 317.50 | 211.00 | 146.00 | 63.00 | 25.50 | 72.00 | 194.50 | 358.50 | 489.50 | 3841.50 | |||||||||||||
NO YRS | 42 | 42 | 42 | 41 | 41 | 40 | 41 | 41 | 41 | 41 | 41 | 42 | 40 |