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. Datum of gage is 276.27 ft above NGVD of 1929. 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 discharges below 100,000 ft3/s and for estimated daily discharges, which are poor. |
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 89100 | 178000 | 709000 | 249000 | 816000 | 208000 | 795000 | 560000 | e381000 | e98100 | 115000 | 59400 |
2 | 76100 | 173000 | 741000 | 232000 | 760000 | 189000 | 863000 | 583000 | e281000 | e96400 | 98000 | 55000 |
3 | 70600 | 142000 | 729000 | 206000 | 708000 | 178000 | 878000 | 587000 | e237000 | 83400 | e97300 | 38400 |
4 | 71800 | 167000 | 656000 | 162000 | 627000 | 185000 | 883000 | 583000 | e217000 | 102000 | e82400 | 45500 |
5 | 78900 | 174000 | 500000 | 122000 | 573000 | 193000 | 862000 | 615000 | 163000 | 95400 | e77000 | 43500 |
6 | 84800 | 161000 | 350000 | 139000 | 535000 | 184000 | 815000 | 699000 | 133000 | 81400 | e78100 | 36100 |
7 | 76700 | 163000 | 313000 | 142000 | 514000 | 185000 | 721000 | 717000 | 191000 | 93300 | e75100 | 52800 |
8 | 76500 | 134000 | 304000 | 144000 | 460000 | 193000 | 664000 | 709000 | 240000 | 72700 | e66000 | 46900 |
9 | 79900 | 118000 | 307000 | 139000 | 398000 | 197000 | 598000 | 699000 | 273000 | 71500 | e62900 | 43900 |
10 | 76500 | 118000 | 299000 | 120000 | 373000 | 193000 | 483000 | 702000 | 308000 | 85500 | e54500 | 42000 |
11 | 60700 | 122000 | 288000 | 108000 | 348000 | 197000 | 358000 | 709000 | 341000 | 96900 | e47500 | 41600 |
12 | 63300 | 118000 | 312000 | 120000 | 322000 | 193000 | 268000 | 695000 | e347000 | 54800 | 46700 | 41500 |
13 | 78800 | 114000 | 326000 | 123000 | 316000 | 192000 | 269000 | 696000 | e283000 | 59400 | 67600 | 37500 |
14 | 123000 | 114000 | 373000 | 149000 | 287000 | 196000 | 310000 | 693000 | e226000 | 72500 | 70600 | 33100 |
15 | 237000 | 121000 | 442000 | 198000 | 274000 | 195000 | 341000 | 691000 | e169000 | 79300 | 53400 | 30500 |
16 | 250000 | 103000 | 498000 | 214000 | 254000 | 193000 | 381000 | 700000 | e141000 | 123000 | 67600 | 43200 |
17 | 255000 | 76200 | 615000 | 163000 | 222000 | 211000 | 403000 | 738000 | e147000 | 131000 | 64500 | 64100 |
18 | 248000 | 83200 | 656000 | 116000 | 217000 | 361000 | 401000 | 774000 | e177000 | 116000 | 56600 | 61300 |
19 | 240000 | 85800 | 673000 | 134000 | 217000 | 576000 | 406000 | 773000 | 151000 | 128000 | 66200 | 58700 |
20 | 233000 | 86400 | 678000 | 150000 | 197000 | 702000 | 420000 | 767000 | 123000 | 97000 | 93500 | 84300 |
21 | 243000 | 102000 | 652000 | 166000 | 189000 | 768000 | 424000 | 772000 | e110000 | 74800 | 89700 | 77500 |
22 | 234000 | 111000 | 641000 | 196000 | 165000 | e831000 | 453000 | 779000 | e100000 | 92400 | 64500 | 82800 |
23 | 202000 | 84800 | 622000 | 293000 | 148000 | e874000 | 435000 | 797000 | e86000 | 100000 | 61200 | 75100 |
24 | 195000 | 60800 | 564000 | e438000 | 160000 | e897000 | 432000 | 814000 | e64000 | 88400 | 66800 | 77500 |
25 | 250000 | 92500 | 537000 | 588000 | 166000 | e915000 | 479000 | 810000 | e56000 | 81100 | 87800 | 99600 |
26 | 308000 | 140000 | 502000 | 685000 | 190000 | e940000 | 524000 | 801000 | e60000 | 83900 | 102000 | 136000 |
27 | 307000 | 164000 | 447000 | 768000 | 207000 | 905000 | 532000 | 760000 | e68000 | 80400 | 91700 | 208000 |
28 | 267000 | 230000 | 387000 | 803000 | 209000 | 877000 | 558000 | e711000 | e80000 | 89200 | 82900 | 320000 |
29 | 232000 | 369000 | 363000 | 824000 | --- | 853000 | 562000 | e652000 | 107000 | 129000 | 86100 | 374000 |
30 | 224000 | 628000 | 349000 | 831000 | --- | 818000 | 559000 | 560000 | e93700 | 132000 | 74400 | 328000 |
31 | 195000 | --- | 288000 | 824000 | --- | 795000 | --- | 446000 | --- | 131000 | 68700 | --- |
TOTAL | 5226700 | 4533700 | 15121000 | 9546000 | 9852000 | 14394000 | 16077000 | 21592000 | 5353700 | 2919800 | 2316300 | 2737800 |
MEAN | 168600 | 151100 | 487800 | 307900 | 351900 | 464300 | 535900 | 696500 | 178500 | 94190 | 74720 | 91260 |
MAX | 308000 | 628000 | 741000 | 831000 | 816000 | 940000 | 883000 | 814000 | 381000 | 132000 | 115000 | 374000 |
MIN | 60700 | 60800 | 288000 | 108000 | 148000 | 178000 | 268000 | 446000 | 56000 | 54800 | 46700 | 30500 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1928 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 103800 | 163200 | 289700 | 393500 | 467500 | 521900 | 455500 | 340000 | 219500 | 153200 | 121800 | 99340 |
MAX | 335600 | 450300 | 717500 | 1022000 | 1217000 | 1039000 | 896400 | 917800 | 596400 | 441200 | 331100 | 383500 |
(WY) | 1980 | 1986 | 1973 | 1937 | 1937 | 1997 | 1994 | 1983 | 1997 | 1928 | 1958 | 1979 |
MIN | 22710 | 33400 | 48610 | 71650 | 77380 | 154700 | 129900 | 75180 | 53840 | 23350 | 25390 | 29330 |
(WY) | 1931 | 1931 | 1931 | 1940 | 1934 | 1941 | 1986 | 1941 | 1936 | 1930 | 1930 | 1930 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1928 - 2002 | |||
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ANNUAL TOTAL | 84733900 | 109670000 | ||||
ANNUAL MEAN | 232100 | 300500 | 275700 | |||
HIGHEST ANNUAL MEAN | 436600 | 1979 | ||||
LOWEST ANNUAL MEAN | 120300 | 1931 | ||||
HIGHEST DAILY MEAN | 777000 | Feb 23 | 940000 | Mar 26 | 1850000 | Feb 1 1937 |
LOWEST DAILY MEAN | 60000 | Jul 5 | 30500 | Sep 15 | 15000 | Jul 20 1930 |
ANNUAL SEVEN-DAY MINIMUM | 73200 | Oct 7 | 38500 | Sep 10 | 16600 | Jul 20 1930 |
MAXIMUM PEAK FLOW | 954000 | Mar 26 | 1850000 | Feb 1 1937 | ||
MAXIMUM PEAK STAGE | 52.69 | May 19 | 66.60 | Feb 2 1937 | ||
10 PERCENT EXCEEDS | 409000 | 733000 | 636000 | |||
50 PERCENT EXCEEDS | 191000 | 195000 | 189000 | |||
90 PERCENT EXCEEDS | 88300 | 65400 | 68300 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |