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LOCATION.-- Lat 37°08'51", long 88°44'27" (NAD of 1927), Massac County Il., Hydrologic Unit 05140206, near center of span on downstream side of pier of Paducah & Illinois Railroad bridge at Metropolis, 9.5 mi downstream from Tennessee River, 37 mi upstream from mouth, and at mile 944.1. |
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DRAINAGE AREA.-- 203,000 mi2, approximately. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: January 1928 to current year. Prior to April 1928 monthly discharge only, published in WSP 1305. |
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STAGE: Gage-height records collected 9.6 mi upstream at Paducah since 1890 are contained in reports of National Weather Service. |
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PARTIAL RECORD: Occasional discharge measurements 1881 to 1924 in reports of Mississippi River Commission. |
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GAGE.-- Water-stage recorder with telemetry. Datum of gage is 276.27 ft above NGVD of 1929 (276.16 ft NAVD 1988). Prior to Dec. 22, 1936, water-stage recorders (temporary installations) at Paducah, Ky., Metropolis and Joppa, Il., and Dam 52. Auxiliary water-stage recorder near Grand Chain, 0.5 mi upstream from Dam 53, and 18 mi downstream from base gage. Prior to May 29, 1936, auxiliary nonrecording gage at Dam 53. |
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REMARKS.-- Flow regulated by many dams and reservoirs. Maximum daily discharges include overflow through Bay Creek and Cache River Valleys. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,850,000 ft3/s, February 1, 1937, maximum gage height, 66.60 ft, February 2, 1937; minimum daily discharge, 15,000 ft3/s, July 20, 1930. |
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REMARKS FOR CURRENT YEAR.--Records fair except those below 100,000 ft3/s and estimated daily discharges, which are poor. |
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| Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | |
| 1 | 282,000 | 226,000 | 593,000 | 474,000 | 286,000 | 270,000 | 303,000 | 339,000 | 575,000 | 319,000 | 227,000 | 211,000 | |
| 2 | 254,000 | 212,000 | 627,000 | 483,000 | 269,000 | 231,000 | 315,000 | 370,000 | 606,000 | 234,000 | 269,000 | 225,000 | |
| 3 | 249,000 | 208,000 | e633,000 | 480,000 | 262,000 | 244,000 | 331,000 | 404,000 | 630,000 | e203,000 | 289,000 | 204,000 | |
| 4 | 232,000 | 201,000 | e625,000 | 487,000 | 298,000 | 294,000 | 338,000 | 424,000 | 635,000 | 176,000 | 255,000 | e173,000 | |
| 5 | 210,000 | 195,000 | e540,000 | 528,000 | 336,000 | 357,000 | 347,000 | 416,000 | 627,000 | 152,000 | 223,000 | e139,000 | |
| 6 | 214,000 | 149,000 | e462,000 | 555,000 | e460,000 | 410,000 | 375,000 | 391,000 | 629,000 | 156,000 | 199,000 | e105,000 | |
| 7 | 217,000 | e143,000 | e430,000 | 590,000 | e675,000 | 450,000 | 398,000 | 331,000 | 632,000 | 176,000 | 200,000 | e108,000 | |
| 8 | 205,000 | e212,000 | e415,000 | 623,000 | 725,000 | 474,000 | 416,000 | 255,000 | 620,000 | 159,000 | 209,000 | 117,000 | |
| 9 | 197,000 | e219,000 | 362,000 | 661,000 | 774,000 | 631,000 | 411,000 | 221,000 | 587,000 | 157,000 | 208,000 | 144,000 | |
| 10 | e182,000 | 244,000 | 354,000 | 694,000 | 823,000 | 696,000 | 371,000 | 228,000 | 550,000 | 175,000 | 165,000 | 191,000 | |
| 11 | e159,000 | 242,000 | 360,000 | 723,000 | 855,000 | 724,000 | 295,000 | 200,000 | 486,000 | 165,000 | e120,000 | 211,000 | |
| 12 | e139,000 | 237,000 | 374,000 | 750,000 | 875,000 | 710,000 | 197,000 | 166,000 | 389,000 | 146,000 | e90,000 | 263,000 | |
| 13 | e137,000 | 229,000 | 365,000 | 772,000 | 869,000 | 709,000 | 167,000 | 151,000 | 294,000 | 169,000 | e98,000 | 342,000 | |
| 14 | e158,000 | 258,000 | 377,000 | 786,000 | 838,000 | 714,000 | 198,000 | 131,000 | 287,000 | 190,000 | e115,000 | 414,000 | |
| 15 | e162,000 | 283,000 | 409,000 | 788,000 | 823,000 | 708,000 | 275,000 | 160,000 | 356,000 | 191,000 | e110,000 | 465,000 | |
| 16 | e174,000 | 317,000 | 434,000 | 773,000 | 786,000 | 693,000 | 339,000 | 238,000 | 397,000 | 203,000 | e92,000 | 489,000 | |
| 17 | e207,000 | 381,000 | 437,000 | 739,000 | 739,000 | 646,000 | 384,000 | 276,000 | 411,000 | 212,000 | e99,000 | 453,000 | |
| 18 | e200,000 | 452,000 | 455,000 | 697,000 | 646,000 | 532,000 | 423,000 | 290,000 | 414,000 | 190,000 | e96,000 | 385,000 | |
| 19 | 194,000 | 503,000 | 450,000 | 639,000 | 502,000 | 360,000 | 475,000 | 249,000 | 389,000 | 190,000 | e88,000 | 326,000 | |
| 20 | 198,000 | 497,000 | 460,000 | 566,000 | 337,000 | 208,000 | 503,000 | 225,000 | 373,000 | 191,000 | e82,000 | 382,000 | |
| 21 | 210,000 | 433,000 | 463,000 | 495,000 | 269,000 | 213,000 | 518,000 | 255,000 | 384,000 | e150,000 | e90,000 | 488,000 | |
| 22 | 218,000 | 410,000 | 460,000 | 445,000 | 283,000 | 270,000 | 525,000 | 278,000 | 388,000 | e127,000 | e122,000 | 543,000 | |
| 23 | 202,000 | 444,000 | 449,000 | 423,000 | 292,000 | 294,000 | 549,000 | 278,000 | 382,000 | e129,000 | e160,000 | 554,000 | |
| 24 | 155,000 | 508,000 | 417,000 | 400,000 | 290,000 | 296,000 | 565,000 | 298,000 | 370,000 | 140,000 | 226,000 | 538,000 | |
| 25 | 116,000 | 527,000 | 382,000 | 357,000 | 303,000 | 311,000 | 531,000 | 301,000 | 368,000 | 138,000 | 233,000 | 510,000 | |
| 26 | 146,000 | 559,000 | 376,000 | 322,000 | 313,000 | 316,000 | 497,000 | 303,000 | 332,000 | 128,000 | 242,000 | 515,000 | |
| 27 | 176,000 | 594,000 | 398,000 | 298,000 | 318,000 | 298,000 | 459,000 | 377,000 | 311,000 | 115,000 | 249,000 | 518,000 | |
| 28 | 185,000 | 615,000 | 425,000 | 289,000 | 316,000 | 290,000 | 418,000 | 423,000 | 355,000 | 92,800 | 219,000 | 486,000 | |
| 29 | 182,000 | 612,000 | 451,000 | 271,000 | 306,000 | 285,000 | 375,000 | 432,000 | 365,000 | 118,000 | 195,000 | 383,000 | |
| 30 | 186,000 | 598,000 | 472,000 | 282,000 | --- | 281,000 | 337,000 | 482,000 | 347,000 | 212,000 | 207,000 | 138,000 | |
| 31 | 217,000 | --- | 470,000 | 291,000 | --- | 284,000 | --- | 532,000 | --- | 222,000 | 207,000 | --- | |
| TOTAL | 5,963,000 | 10,708,000 | 13,925,000 | 16,681,000 | 14,868,000 | 13,199,000 | 11,635,000 | 9,424,000 | 13,489,000 | 5,325,800 | 5,384,000 | 10,020,000 | |
| MEAN | 192,400 | 356,900 | 449,200 | 538,100 | 512,700 | 425,800 | 387,800 | 304,000 | 449,600 | 171,800 | 173,700 | 334,000 | |
| MAX | 282,000 | 615,000 | 633,000 | 788,000 | 875,000 | 724,000 | 565,000 | 532,000 | 635,000 | 319,000 | 289,000 | 554,000 | |
| MIN | 116,000 | 143,000 | 354,000 | 271,000 | 262,000 | 208,000 | 167,000 | 131,000 | 287,000 | 92,800 | 82,000 | 105,000 | |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1928 - 2004, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 105,500 | 167,300 | 293,200 | 394,200 | 469,100 | 521,300 | 453,400 | 343,600 | 224,700 | 154,900 | 123,900 | 105,000 |
| MAX | 335,600 | 450,300 | 717,500 | 1,022,000 | 1,217,000 | 1,039,000 | 896,400 | 917,800 | 596,400 | 441,200 | 331,100 | 383,500 |
| (WY) | (1980) | (1986) | (1973) | (1937) | (1937) | (1997) | (1994) | (1983) | (1997) | (1928) | (1958) | (1979) |
| MIN | 22,710 | 33,400 | 48,610 | 71,650 | 77,380 | 154,700 | 129,900 | 75,180 | 53,840 | 23,350 | 25,390 | 29,330 |
| (WY) | (1931) | (1931) | (1931) | (1940) | (1934) | (1941) | (1986) | (1941) | (1936) | (1930) | (1930) | (1930) |
| SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1928 - 2004 | |||
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| ANNUAL TOTAL | 140,255,000 | 130,621,800 | ||||
| ANNUAL MEAN | 384,300 | 356,900 | 278,000 | |||
| HIGHEST ANNUAL MEAN | 436,600 | 1979 | ||||
| LOWEST ANNUAL MEAN | 120,300 | 1931 | ||||
| HIGHEST DAILY MEAN | 1,010,000 | Feb 27 | 875,000 | Feb 12 | 1,850,000 | Feb 1, 1937 |
| LOWEST DAILY MEAN | 100,000 | Jun 29 | 82,000 | Aug 20 | 15,000 | Jul 20, 1930 |
| ANNUAL SEVEN-DAY MINIMUM | 135,000 | Jan 26 | 93,900 | Aug 15 | 16,600 | Jul 20, 1930 |
| MAXIMUM PEAK FLOW | 881,000 | Feb 13 | 1,850,000 | Feb 1, 1937 | ||
| MAXIMUM PEAK STAGE | 47.71 | Feb 13 | 66.60 | Feb 2, 1937 | ||
| 10 PERCENT EXCEEDS | 748,000 | 629,000 | 637,000 | |||
| 50 PERCENT EXCEEDS | 317,000 | 318,000 | 193,000 | |||
| 90 PERCENT EXCEEDS | 169,000 | 152,000 | 69,100 | |||
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |