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USGS Surface-Water Daily Statistics for Illinois

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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 05572000 SANGAMON RIVER AT MONTICELLO, IL


Piatt County, Illinois
Hydrologic Unit Code 07130006
Latitude  40°01'52.2", Longitude  88°35'21.0" NAD83
Drainage area 550  square miles
Gage datum 625.55 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 1907-10-01 -> 2024-09-30)

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
1 506 456 633 840 730 518 445 208 95 130 185 346
2 469 474 558 825 762 483 423 191 84 176 223 345
3 436 479 515 800 761 502 416 181 87 213 251 335
4 453 475 566 753 725 597 406 178 110 280 237 314
5 482 529 655 715 675 572 392 171 109 234 221 304
6 487 606 698 736 634 548 374 183 115 195 206 301
7 453 592 676 765 639 545 342 171 128 180 190 307
8 426 567 613 766 704 565 353 172 123 167 176 323
9 422 527 573 753 688 549 340 173 128 176 163 323
10 446 568 601 703 686 531 319 176 122 180 164 327
11 470 560 631 732 728 578 349 192 117 167 173 332
12 468 548 754 832 834 564 469 174 112 165 185 343
13 468 544 838 905 869 554 437 140 111 165 203 347
14 508 617 828 902 862 559 408 123 106 151 212 357
15 543 599 805 798 783 556 379 151 143 143 221 373
16 491 578 833 760 918 570 354 151 151 144 235 389
17 427 551 833 761 924 556 319 160 154 148 250 368
18 399 525 819 770 959 527 267 119 137 154 277 342
19 390 535 873 802 889 537 231 91 128 176 317 318
20 380 581 871 836 794 571 213 94 117 174 367 300
21 397 651 825 915 733 578 203 141 102 163 361 311
22 420 731 781 934 707 579 200 118 99 159 325 356
23 456 777 728 901 646 603 201 108 100 152 294 394
24 490 813 673 824 606 580 202 119 94 165 262 433
25 495 834 632 793 583 635 191 120 101 173 268 421
26 488 813 640 737 610 591 192 109 121 198 279 388
27 465 771 673 713 688 541 199 107 155 221 292 397
28 448 710 694 719 676 504 201 103 159 201 296 449
29 429 673 752 722 742 507 174 110 140 171 308 524
30 459   760 743 651 486 180 105 127 162 323 560
31 472   845   570   177 107   173   553