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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 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 -> 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
1 509 453 624 835 741 517 442 207 95 129 183 344
2 473 471 550 822 773 483 420 190 84 174 221 343
3 438 476 508 801 771 501 413 180 86 211 249 332
4 453 472 558 756 729 595 403 177 110 277 235 312
5 481 526 646 717 676 572 390 170 108 232 221 302
6 485 602 689 736 634 554 371 182 114 193 207 299
7 451 588 669 764 639 548 340 170 127 179 191 305
8 424 563 607 765 702 565 351 171 122 165 177 320
9 420 523 574 751 686 548 338 171 127 174 163 321
10 444 564 604 702 684 530 318 175 121 178 164 325
11 467 556 634 730 725 576 351 191 116 165 172 330
12 465 544 754 829 830 561 471 172 112 163 185 341
13 465 540 832 901 864 552 437 139 110 163 202 345
14 504 613 821 898 858 557 408 123 105 149 211 354
15 539 595 798 794 781 557 379 150 141 141 220 370
16 488 573 825 756 916 569 353 150 149 143 234 386
17 424 546 828 758 921 555 318 159 153 146 249 365
18 396 521 813 767 955 526 266 119 136 153 276 339
19 387 531 865 798 886 534 231 91 127 175 315 316
20 377 576 867 833 793 568 212 95 116 172 365 298
21 394 643 821 913 732 575 202 140 102 162 359 309
22 417 722 776 930 705 576 199 118 98 158 323 354
23 453 767 724 897 644 600 200 108 99 151 292 391
24 486 803 669 821 604 576 201 118 93 163 261 430
25 492 823 629 792 585 631 190 119 100 172 266 418
26 484 802 637 737 615 587 190 109 120 196 278 385
27 462 761 669 714 691 538 198 106 153 219 290 394
28 444 700 690 722 680 500 200 103 158 199 295 446
29 426 659 748 728 744 504 173 109 139 169 306 520
30 455   755 753 651 482 179 105 126 161 321 558
31 469   839   570   176 107   172   554