YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 635.50 | 585.50 | 403.00 | 250.50 | 111.00 | 1985.50 | ||||||
1968 | 107.50 | 241.00 | 225.50 | 188.00 | 394.00 | 468.50 | 601.00 | 578.00 | 528.00 | 335.00 | 227.50 | 81.50 | 3975.50 | |||||||||||||
1969 | 30.50 | 53.50 | 159.50 | 217.50 | 441.00 | 575.00 | 541.50 | 547.50 | 486.00 | 332.00 | 186.00 | 156.50 | 3726.50 | |||||||||||||
1970 | 111.50 | 189.50 | 162.00 | 165.00 | 352.00 | 454.50 | 507.50 | 533.50 | 431.50 | 344.00 | 225.50 | 67.00 | 3543.50 | |||||||||||||
1971 | 105.50 | 111.00 | 84.50 | 202.50 | 350.00 | 418.50 | 519.50 | 606.50 | 462.50 | 296.50 | 172.50 | 37.50 | 3367.00 | |||||||||||||
1972 | 60.50 | 87.50 | 162.50 | 145.34 | a | 370.50 | 456.00 | 597.00 | 571.50 | 419.50 | 283.50 | 197.50 | 126.00 | 3477.34 | ||||||||||||
1973 | 68.00 | 125.50 | 124.50 | 238.50 | 356.00 | 441.50 | 509.00 | 461.00 | 501.00 | 329.00 | 131.00 | 181.50 | 3466.50 | |||||||||||||
1974 | 90.50 | 69.50 | 145.00 | 235.00 | 297.50 | 436.00 | 534.00 | 580.00 | 580.00 | 312.50 | 206.00 | 177.50 | 3663.50 | |||||||||||||
1975 | 95.50 | 71.50 | 109.50 | 113.50 | 330.50 | 406.50 | 554.50 | 554.00 | 556.00 | 328.00 | 201.50 | 135.50 | 3456.50 | |||||||||||||
1976 | 108.00 | 98.50 | 101.50 | 201.00 | 342.00 | 392.00 | 556.00 | 547.50 | 545.00 | 387.00 | 253.00 | 124.50 | 3656.00 | |||||||||||||
1977 | 88.50 | 176.00 | 136.00 | 234.00 | 313.00 | 441.00 | 520.00 | 622.50 | 461.00 | 319.00 | 181.00 | 142.50 | 3634.50 | |||||||||||||
1978 | 162.00 | 168.00 | 196.50 | 247.50 | 333.00 | 541.50 | 564.50 | 586.00 | 498.50 | 411.50 | 98.50 | 51.50 | 3859.00 | |||||||||||||
1979 | 13.00 | 74.50 | 211.00 | 258.00 | 388.00 | 437.00 | 599.50 | 607.50 | 604.50 | 427.50 | 183.50 | 205.00 | 4009.00 | |||||||||||||
1980 | 55.50 | 156.00 | 158.50 | 273.00 | 318.86 | c | 437.07 | a | 583.00 | 509.00 | 487.00 | 390.08 | a | 230.00 | 188.00 | 3786.01 | ||||||||||
1981 | 204.50 | 130.50 | 237.50 | 248.50 | 374.50 | 489.00 | 562.00 | 636.00 | 518.50 | 320.00 | 237.00 | 137.00 | 4095.00 | |||||||||||||
1982 | 69.50 | 114.50 | 132.50 | 167.50 | 354.00 | 478.50 | 573.00 | 583.50 | 544.50 | 414.50 | 145.00 | 109.00 | 3686.00 | |||||||||||||
1983 | 207.00 | 224.50 | 280.50 | 269.50 | 418.00 | 503.50 | 612.50 | 613.00 | 455.00 | 278.00 | 259.50 | 70.50 | 4191.50 | |||||||||||||
1984 | 162.00 | 146.50 | 243.00 | 193.50 | 325.00 | 432.00 | 534.50 | 538.50 | 499.50 | 290.00 | 186.50 | 40.00 | 3591.00 | |||||||||||||
1985 | 49.50 | 48.00 | 83.00 | 224.00 | 358.00 | 435.50 | 565.50 | 554.50 | 434.50 | 293.00 | 88.50 | 55.00 | 3189.00 | |||||||||||||
1986 | 206.00 | 131.00 | 290.50 | 229.00 | 370.00 | 511.50 | 558.50 | 585.00 | 443.50 | 424.50 | 212.00 | 139.50 | 4101.00 | |||||||||||||
1987 | 133.50 | 195.00 | 240.50 | 299.50 | 427.00 | 468.00 | 558.00 | 593.00 | 521.00 | 416.00 | 300.50 | 88.00 | 4240.00 | |||||||||||||
1988 | 86.00 | 162.00 | 180.50 | 285.00 | 360.00 | 440.00 | 570.00 | 577.00 | 450.00 | 446.50 | 223.00 | 142.50 | 3922.50 | |||||||||||||
1989 | 77.50 | 38.00 | 157.50 | 317.00 | 399.50 | 539.00 | 579.50 | 599.50 | 571.50 | 379.00 | 232.00 | 144.50 | 4034.50 | |||||||||||||
1990 | 141.00 | 86.50 | 223.50 | 301.50 | 382.50 | 495.00 | 627.00 | 654.00 | 608.50 | 348.50 | 233.00 | 65.50 | 4166.50 | |||||||||||||
1991 | 86.00 | 227.00 | 127.50 | 222.00 | 351.00 | 435.00 | 577.50 | 591.50 | 614.50 | 348.00 | 231.50 | 159.50 | 3971.00 | |||||||||||||
1992 | 186.00 | 245.00 | 298.00 | 336.00 | 449.00 | 538.00 | 641.00 | 638.50 | 463.50 | 399.50 | 195.00 | 43.50 | 4433.00 | |||||||||||||
1993 | 65.50 | 121.50 | 238.00 | 293.00 | 515.00 | 536.00 | 612.00 | 630.50 | 507.50 | 402.50 | 93.00 | 121.50 | 4136.00 | |||||||||||||
1994 | 179.00 | 83.50 | 280.00 | 313.50 | 428.00 | 488.50 | 594.50 | 656.00 | 589.00 | 312.00 | 110.50 | 135.00 | 4169.50 | |||||||||||||
1995 | 245.50 | 192.00 | 207.00 | 268.00 | 426.50 | 514.00 | 677.50 | 569.00 | 660.00 | 415.00 | 317.50 | 210.00 | 4702.00 | |||||||||||||
1996 | 135.50 | 169.50 | 233.00 | 336.50 | 385.50 | 476.00 | 615.00 | 592.00 | 529.00 | 387.50 | 177.50 | 82.50 | 4119.50 | |||||||||||||
1997 | 132.50 | 116.00 | 150.50 | 224.50 | 499.00 | 511.50 | 631.00 | 694.00 | 623.50 | 384.00 | 285.50 | 136.50 | 4388.50 | |||||||||||||
1998 | 164.50 | 177.50 | 216.50 | 245.00 | 418.00 | 499.50 | 631.00 | 639.00 | 514.00 | 396.50 | 236.50 | 114.00 | 4252.00 | |||||||||||||
1999 | 100.50 | 101.50 | 123.00 | 200.00 | 332.50 | 478.50 | 530.50 | 625.50 | 481.00 | 345.50 | 286.50 | 168.00 | 3773.00 | |||||||||||||
2000 | 60.50 | 128.50 | 140.00 | 297.00 | 392.00 | 492.50 | 581.50 | 592.50 | 524.50 | 392.50 | 119.00 | 116.50 | 3837.00 | |||||||||||||
2001 | 133.00 | 65.00 | 165.50 | 202.00 | 352.50 | 424.00 | 535.00 | 584.00 | 478.50 | 325.50 | 226.50 | 109.50 | 3601.00 | |||||||||||||
2002 | 123.00 | 99.00 | 125.00 | 247.50 | 327.50 | 496.00 | 617.50 | 603.00 | 538.00 | 348.00 | 279.00 | 171.00 | 3974.50 | |||||||||||||
2003 | 259.00 | 116.50 | 239.00 | 258.00 | 381.00 | 529.00 | 622.50 | 610.50 | 538.00 | 488.00 | 153.00 | 155.00 | 4349.50 | |||||||||||||
2004 | 150.50 | 167.50 | 235.00 | 335.50 | 455.50 | 561.50 | 693.00 | 690.00 | 529.00 | 420.50 | 189.50 | 148.50 | 4576.00 | |||||||||||||
2005 | 185.50 | 127.00 | 228.50 | 256.00 | 460.50 | 476.50 | 574.50 | 571.00 | 389.00 | 358.00 | 121.00 | 106.50 | 3854.00 | |||||||||||||
2006 | 127.00 | 104.00 | 114.50 | 219.00 | 358.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 923.00 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 122.22 | 131.78 | 183.76 | 243.78 | 381.71 | 477.73 | 580.57 | 593.87 | 517.22 | 364.91 | 202.12 | 121.91 | 3920.38 | |||||||||||||
S.D. | 58.09 | 54.28 | 59.62 | 52.89 | 50.94 | 44.91 | 44.14 | 45.96 | 62.18 | 50.61 | 58.62 | 46.02 | 347.58 | |||||||||||||
SKEW | 0.42 | 0.36 | 0.17 | -0.16 | 0.73 | 0.22 | 0.45 | -0.25 | 0.20 | 0.15 | -0.22 | -0.16 | 0.12 | |||||||||||||
MAX | 259.00 | 245.00 | 298.00 | 336.50 | 515.00 | 575.00 | 693.00 | 694.00 | 660.00 | 488.00 | 317.50 | 210.00 | 4702.00 | |||||||||||||
MIN | 13.00 | 38.00 | 83.00 | 113.50 | 297.50 | 392.00 | 507.50 | 461.00 | 389.00 | 278.00 | 88.50 | 37.50 | 3189.00 | |||||||||||||
NO YRS | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 38 |