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USGS Surface-Water 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°42'28", Longitude  90°16'48" NAD83
Drainage area 1,072  square miles
Contributing drainage area 1,072.00  square miles
Gage datum 508.97 feet above NGVD29
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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 -> 2022-09-30)

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
1 744 595 1,040 1,250 1,440 1,480 948 389 358 428 447 413
2 790 598 1,010 1,230 1,370 1,620 922 321 304 459 537 496
3 712 604 962 1,220 1,310 1,590 882 316 287 447 574 585
4 683 677 1,220 1,120 1,260 1,330 797 308 208 555 496 564
5 778 797 1,340 1,090 1,190 1,180 850 310 185 444 423 509
6 822 813 1,250 1,210 1,060 1,110 771 316 182 411 375 491
7 731 753 1,170 1,190 1,030 1,070 708 348 250 344 357 500
8 667 687 1,080 1,130 1,280 1,020 802 360 305 306 329 501
9 543 725 1,100 1,130 1,380 1,030 886 330 319 277 323 451
10 509 803 1,260 1,130 1,360 995 868 305 306 240 353 442
11 488 793 1,470 1,320 1,380 1,030 793 332 284 279 377 449
12 510 813 1,460 1,450 1,470 1,100 802 339 206 294 364 430
13 644 829 1,450 1,350 1,520 1,220 606 298 249 300 384 409
14 627 791 1,410 1,270 1,600 1,370 561 304 429 300 416 438
15 603 836 1,420 1,230 1,810 1,500 551 335 483 288 389 525
16 595 850 1,370 1,240 1,950 1,560 538 356 473 266 380 582
17 545 870 1,300 1,300 1,740 1,250 687 356 402 239 372 534
18 541 1,010 1,290 1,420 1,720 1,120 791 359 313 238 386 470
19 537 1,280 1,400 1,560 1,630 1,310 766 297 307 249 405 419
20 590 1,480 1,560 1,580 1,610 1,480 731 294 305 241 386 397
21 631 1,700 1,380 1,480 1,360 1,480 629 297 322 223 403 414
22 753 1,670 1,180 1,410 1,270 1,470 639 298 379 211 416 416
23 897 1,510 1,070 1,390 1,190 1,590 711 267 425 252 400 392
24 951 1,410 1,010 1,520 1,200 1,410 801 281 523 271 373 415
25 974 1,310 1,100 1,690 1,260 1,330 816 224 566 350 362 536
26 870 1,180 1,110 1,600 1,410 1,180 710 258 469 370 375 633
27 749 1,200 993 1,550 1,500 1,060 660 260 401 373 377 705
28 670 1,120 1,080 1,410 1,630 919 583 206 423 342 425 754
29 636 879 1,130 1,270 1,680 861 497 223 384 340 425 810
30 644   1,310 1,390 1,750 825 396 280 411 377 410 831
31 631   1,350   1,570   398 376   398   795