Station list     Available data
LOWER MISSISSIPPI RIVER BASIN


07022000                         MISSISSIPPI RIVER AT THEBES, IL

(National stream-quality accounting network station)


LOCATION.--Lat 37°13'00", long 89°27'50", in NW 1/4 sec.17, T.15 S., R.3 W., Alexander County, Hydrologic Unit 07140105, near center span on downstream side of railroad bridge at Thebes, 5.0 mi downstream from Headwater Diversion Channel, and at mile 43.7 above Ohio River.

DRAINAGE AREA.--713,200 mi2, approximately.

PERIOD OF RECORD.--October 1980 to current year.

PERIOD OF DAILY RECORD.--
SUSPENDED SEDIMENT: October 1980 to current year.

REMARKS.--Sediment records good.

EXTREMES FOR PERIOD OF DAILY RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 3,890 mg/L, Dec. 22, 1985; minimum daily mean, 13 mg/L, Jan. 28, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 6,280,000 tons, Mar. 1, 1985; minimum daily, 2,530 tons, Jan. 28, 1981.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,460 mg/L, June 22; minimum daily mean, 120 mg/L, Aug. 30.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,800,000 tons, Apr. 6; minimum daily, 39,000 tons, Sept. 16.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
MEAN MEAN MEAN
MEAN CONCEN- SEDIMENT MEAN CONCEN- SEDIMENT MEAN CONCEN- SEDIMENT
DISCHARGE TRATION DISCHARGE DISCHARGE TRATION DISCHARGE DISCHARGE TRATION DISCHARGE
DAY (CFS) (mg/L) (TONS/DAY) (CFS) (mg/L) (TONS/DAY) (CFS) (mg/L) (TONS/DAY)
 
OCTOBER NOVEMBER DECEMBER



1 156000 152 63800 170000 175 80400 153000 175 72300
2 146000 153 60200 175000 169 80000 164000 190 84400
3 141000 149 56600 177000 169 81000 167000 250 112000
4 140000 142 53500 175000 175 82400 174000 269 127000
5 139000 155 57900 170000 162 74400 187000 427 216000
 
6 137000 155 57500 169000 174 79300 186000 472 237000
7 138000 149 55400 175000 168 79400 180000 433 210000
8 138000 134 49800 175000 178 83900 179000 405 196000
9 136000 132 48400 170000 181 83100 180000 393 191000
10 136000 142 52200 167000 164 73600 178000 307 148000
 
11 136000 150 54700 163000 163 71900 177000 258 124000
12 133000 148 53000 161000 139 60500 173000 239 111000
13 135000 162 58500 161000 157 68400 167000 198 89500
14 134000 142 51200 160000 182 78800 166000 173 77400
15 136000 153 56300 158000 164 69800 165000 187 83100
 
16 137000 167 61000 156000 170 71700 161000 160 69500
17 140000 172 64800 154000 140 58000 157000 205 86700
18 155000 176 74000 152000 138 56400 154000 193 80100
19 165000 181 80800 151000 164 67000 155000 208 86600
20 165000 185 82500 152000 150 61600 152000 201 82400
 
21 165000 188 83600 150000 155 62800 145000 170 66800
22 164000 189 83800 151000 146 59300 147000 168 66800
23 164000 187 83000 151000 156 63400 151000 219 89300
24 164000 188 83300 148000 160 64200 153000 194 79900
25 164000 204 90600 146000 143 56600 156000 183 77100
 
26 165000 186 82700 144000 133 51800 161000 220 96000
27 163000 175 76800 139000 141 53000 168000 245 111000
28 162000 184 80600 133000 154 54900 172000 239 112000
29 159000 178 76500 132000 177 62800 176000 234 111000
30 157000 162 68400 141000 162 61500 176000 248 118000
 
31 162000 186 81400 --- --- --- 172000 243 112000

 
JANUARY FEBRUARY MARCH



1 160000 281 122000 155000 --- 55100 323000 266 233000
2 150000 229 92400 159000 133 57400 323000 461 401000
3 146000 225 88800 161000 --- 56600 297000 417 334000
4 144000 208 80500 157000 --- 53700 279000 376 283000
5 144000 198 76900 153000 --- 50900 270000 308 224000
 
6 161000 200 87700 159000 --- 54100 265000 254 182000
7 194000 285 150000 177000 --- 78700 260000 222 156000
8 230000 273 171000 189000 --- 108000 255000 186 128000
9 295000 375 301000 185000 --- 104000 267000 193 140000
10 345000 430 403000 177000 --- 93700 302000 270 221000
 
11 336000 558 504000 172000 --- 85800 357000 388 377000
12 291000 547 429000 169000 --- 80000 396000 602 645000
13 252000 419 285000 199000 --- 137000 406000 789 864000
14 220000 310 185000 267000 --- 373000 393000 714 757000
15 198000 209 112000 285000 --- 546000 363000 549 539000
 
16 187000 187 94600 270000 --- 369000 332000 398 357000
17 176000 176 83400 260000 --- 258000 306000 309 255000
18 171000 166 76900 266000 --- 261000 316000 284 243000
19 172000 171 79400 267000 --- 272000 349000 306 289000
20 167000 193 87100 280000 --- 296000 406000 389 430000
 
21 160000 --- 78200 281000 --- 288000 462000 554 694000
22 158000 --- 70200 276000 --- 243000 500000 726 984000
23 159000 --- 65800 270000 276 201000 531000 796 1140000
24 160000 --- 69100 261000 204 144000 541000 765 1120000
25 161000 --- 73800 256000 178 123000 534000 573 826000
 
26 161000 --- 76200 247000 179 119000 516000 488 680000
27 158000 --- 67700 249000 215 145000 493000 417 555000
28 154000 --- 58700 277000 201 151000 475000 383 491000
29 150000 --- 51400 --- --- --- 462000 376 468000
30 151000 --- 51800 --- --- --- 448000 365 441000
 
31 154000 --- 53700 --- --- --- 441000 354 421000

 
APRIL MAY JUNE



1 438000 347 410000 457000 241 298000 282000 405 308000
2 443000 339 406000 468000 316 400000 266000 421 302000
3 472000 445 570000 486000 410 538000 261000 386 272000
4 506000 787 1080000 493000 514 683000 263000 319 227000
5 531000 1130 1620000 483000 447 583000 279000 315 237000
 
6 551000 1210 1800000 469000 348 440000 292000 335 265000
7 565000 985 1500000 452000 317 386000 310000 407 342000
8 572000 749 1160000 424000 311 355000 308000 690 572000
9 569000 639 982000 399000 294 316000 293000 774 614000
10 555000 552 827000 383000 291 301000 284000 491 376000
 
11 535000 493 712000 363000 293 293000 296000 393 315000
12 523000 470 664000 363000 287 281000 312000 449 379000
13 523000 533 753000 353000 293 280000 329000 457 406000
14 539000 610 890000 345000 279 259000 334000 432 390000
15 547000 571 844000 338000 246 225000 350000 432 409000
 
16 574000 640 993000 333000 220 198000 376000 450 457000
17 593000 528 847000 323000 221 192000 389000 584 615000
18 609000 469 772000 308000 222 184000 402000 841 916000
19 620000 457 765000 289000 216 168000 422000 1170 1340000
20 617000 395 658000 271000 212 155000 435000 1330 1560000
 
21 603000 350 569000 268000 217 157000 445000 1430 1710000
22 586000 330 522000 275000 202 150000 453000 1460 1780000
23 563000 291 443000 284000 173 133000 467000 1130 1430000
24 539000 247 359000 296000 196 157000 487000 1000 1320000
25 515000 258 358000 303000 238 194000 503000 1000 1360000
 
26 492000 266 352000 301000 323 263000 509000 1150 1580000
27 476000 260 334000 311000 332 279000 506000 750 1020000
28 459000 250 310000 326000 379 334000 494000 557 743000
29 445000 235 283000 329000 385 342000 472000 541 689000
30 452000 227 277000 316000 382 326000 451000 562 684000
 
31 --- --- --- 299000 382 308000 --- --- ---

 
JULY AUGUST SEPTEMBER



1 432000 464 540000 348000 662 622000 175000 126 59500
2 424000 431 494000 335000 564 510000 183000 147 72600
3 433000 481 563000 313000 457 386000 180000 165 80200
4 451000 605 738000 296000 444 354000 164000 169 74700
5 463000 832 1040000 271000 484 354000 146000 190 74200
 
6 458000 665 822000 264000 493 351000 137000 230 84900
7 449000 601 730000 265000 525 376000 135000 206 74800
8 450000 622 755000 263000 431 306000 134000 176 63700
9 454000 575 704000 254000 312 213000 130000 159 55600
10 452000 533 650000 250000 244 165000 123000 143 47400
 
11 451000 547 665000 251000 231 157000 116000 151 47100
12 449000 485 588000 244000 210 138000 115000 170 52600
13 444000 492 590000 239000 199 129000 115000 161 49800
14 437000 605 714000 236000 191 121000 111000 152 45400
15 427000 698 804000 228000 191 118000 107000 141 40700
 
16 415000 659 738000 221000 174 104000 110000 131 39000
17 398000 595 639000 217000 172 101000 121000 138 46600
18 374000 587 591000 207000 177 98800 191000 212 115000
19 345000 615 571000 192000 202 104000 241000 531 345000
20 311000 604 506000 186000 234 117000 221000 610 365000
 
21 287000 535 414000 192000 179 93000 195000 464 245000
22 272000 368 270000 191000 174 89600 177000 359 172000
23 263000 308 219000 180000 170 82800 163000 313 137000
24 255000 292 200000 169000 170 77200 152000 321 132000
25 246000 276 183000 157000 160 67500 146000 205 80800
 
26 243000 250 164000 152000 147 60100 147000 168 66700
27 241000 233 151000 153000 140 57700 153000 154 63900
28 239000 205 132000 156000 144 60500 157000 147 62300
29 271000 282 211000 156000 123 51800 159000 166 71200
30 316000 587 503000 161000 120 52300 157000 174 73500
 
31 340000 644 592000 167000 123 55800 --- --- ---


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data