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USGS Daily Statistics for the Nation

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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 -> 2026-09-30)

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 1,260 1,430 1,440 928 399 346 411 429 398
2 774 619 992 1,250 1,350 1,570 909 331 295 440 516 478
3 699 619 948 1,260 1,300 1,540 879 322 278 429 550 563
4 671 685 1,190 1,170 1,260 1,300 795 310 203 532 476 544
5 767 796 1,320 1,130 1,180 1,160 835 313 180 426 410 491
6 806 808 1,250 1,260 1,060 1,090 759 325 177 394 364 475
7 716 748 1,170 1,250 1,030 1,060 697 371 242 330 346 482
8 654 683 1,070 1,170 1,270 1,010 798 374 295 294 318 483
9 533 721 1,090 1,160 1,380 1,020 899 337 307 266 312 441
10 501 800 1,250 1,140 1,350 977 864 308 295 232 341 432
11 482 793 1,440 1,310 1,360 1,010 792 337 274 268 364 440
12 502 807 1,430 1,440 1,450 1,080 800 352 200 283 352 420
13 629 821 1,420 1,340 1,490 1,190 614 305 242 288 370 400
14 612 783 1,390 1,270 1,570 1,340 571 305 413 289 400 430
15 589 826 1,410 1,220 1,770 1,460 554 332 464 278 375 515
16 581 839 1,350 1,240 1,900 1,510 571 356 453 256 366 573
17 533 856 1,300 1,290 1,690 1,210 711 354 386 231 359 527
18 530 993 1,290 1,400 1,680 1,090 787 353 301 230 372 463
19 527 1,250 1,380 1,540 1,590 1,270 756 293 295 241 390 411
20 579 1,440 1,530 1,560 1,560 1,430 720 289 294 232 372 389
21 621 1,660 1,360 1,470 1,340 1,430 625 290 311 216 389 406
22 738 1,630 1,170 1,410 1,260 1,420 634 291 365 204 401 407
23 877 1,480 1,080 1,380 1,170 1,530 696 261 408 243 386 384
24 932 1,390 1,050 1,500 1,180 1,360 780 274 502 261 360 407
25 958 1,290 1,130 1,660 1,240 1,290 794 220 544 336 349 524
26 870 1,160 1,160 1,570 1,380 1,180 722 252 451 356 362 619
27 782 1,180 1,040 1,550 1,480 1,070 677 253 385 360 364 691
28 703 1,100 1,100 1,420 1,600 917 587 206 406 330 410 740
29 667 861 1,140 1,300 1,650 854 512 222 369 328 410 793
30 670   1,300 1,390 1,710 816 409 274 394 363 395 813
31 657   1,350   1,530   412 364   383   778