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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 05569500 SPOON RIVER AT LONDON MILLS, IL


Fulton County, Illinois
Hydrologic Unit Code 07130005
Latitude  40°42'27.8", Longitude  90°16'47.2" NAD83
Drainage area 1,072  square miles
Contributing drainage area 1,072.00  square miles
Gage datum 508.56 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1942-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 730 621 1,030 1,270 1,440 1,450 935 389 350 415 434 402
2 774 619 992 1,260 1,360 1,580 916 322 297 445 521 483
3 699 619 948 1,260 1,310 1,550 885 317 280 434 556 569
4 671 685 1,190 1,170 1,270 1,300 801 307 204 538 481 550
5 767 796 1,320 1,130 1,190 1,160 842 311 181 430 414 496
6 806 808 1,250 1,270 1,070 1,090 765 324 179 399 368 479
7 716 748 1,170 1,250 1,040 1,060 702 371 244 334 349 487
8 654 683 1,070 1,170 1,290 1,020 804 375 297 297 322 489
9 533 721 1,090 1,160 1,390 1,020 907 337 310 269 315 441
10 501 800 1,250 1,150 1,360 982 872 309 298 234 345 432
11 482 793 1,440 1,320 1,370 1,010 799 338 277 271 368 440
12 502 807 1,430 1,450 1,460 1,080 804 354 202 286 355 420
13 629 821 1,420 1,350 1,500 1,200 610 306 244 291 374 400
14 612 783 1,390 1,280 1,590 1,350 568 306 417 292 404 430
15 589 826 1,410 1,230 1,790 1,470 554 334 469 281 378 515
16 581 839 1,350 1,240 1,920 1,520 573 358 458 259 370 573
17 533 856 1,300 1,300 1,710 1,220 715 356 390 234 362 527
18 530 993 1,290 1,410 1,690 1,100 793 356 304 232 376 463
19 527 1,250 1,380 1,550 1,600 1,280 761 294 298 243 394 411
20 579 1,440 1,530 1,570 1,580 1,440 723 290 297 235 376 389
21 621 1,660 1,360 1,480 1,340 1,440 622 292 314 217 393 406
22 738 1,630 1,170 1,420 1,260 1,430 631 293 368 206 405 407
23 877 1,480 1,080 1,390 1,170 1,540 698 263 413 245 390 384
24 932 1,390 1,050 1,510 1,180 1,370 784 276 508 263 364 407
25 958 1,290 1,140 1,670 1,240 1,300 799 221 550 340 353 524
26 870 1,160 1,160 1,590 1,390 1,180 694 253 456 360 365 619
27 782 1,180 1,050 1,560 1,490 1,070 646 255 389 363 367 691
28 703 1,100 1,100 1,440 1,610 921 571 207 410 334 414 740
29 667 861 1,150 1,310 1,660 858 489 224 373 331 414 793
30 670   1,310 1,400 1,720 820 394 276 398 367 399 813
31 657   1,360   1,540   397 367   387   778