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USGS 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 05584500 LA MOINE RIVER AT COLMAR, IL


Mcdonough County, Illinois
Hydrologic Unit Code 07130010
Latitude  40°19'53.5", Longitude  90°53'46.3" NAD83
Drainage area 655  square miles
Gage datum 491.32 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 1944-10-01 -> 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
1 348 324 475 889 864 843 609 190 111 268 367 280
2 283 332 430 833 833 812 515 148 147 220 411 339
3 279 312 428 796 810 743 443 114 165 310 460 417
4 382 326 679 712 722 675 398 133 113 503 394 393
5 455 339 981 729 667 610 531 140 84 593 316 358
6 468 344 763 837 653 644 545 183 123 506 230 294
7 448 303 612 779 700 686 579 197 147 355 173 339
8 301 273 569 611 840 737 580 217 157 323 154 311
9 252 350 605 580 849 737 531 200 125 253 167 233
10 232 443 782 625 795 611 473 217 170 170 235 244
11 248 475 859 804 769 546 438 180 189 182 245 277
12 233 476 910 971 850 549 434 209 218 181 245 302
13 292 464 830 919 909 670 394 147 200 236 241 280
14 310 513 753 818 931 934 377 156 391 279 209 274
15 286 503 741 775 975 1,060 349 180 431 317 216 316
16 260 468 666 755 992 1,140 326 176 385 236 240 350
17 236 494 682 740 1,250 910 281 150 260 176 278 312
18 232 584 703 866 1,300 701 257 133 211 154 310 252
19 251 744 833 1,090 1,120 660 356 156 205 145 367 196
20 265 880 843 1,030 946 854 488 149 165 120 349 173
21 261 1,020 743 970 750 1,050 591 148 181 101 330 172
22 349 938 584 996 652 1,060 675 113 186 120 289 179
23 413 815 577 1,000 525 1,040 635 172 209 186 247 183
24 559 686 575 908 572 944 485 156 396 207 199 229
25 547 639 625 896 797 831 393 153 615 220 184 305
26 418 556 692 873 958 730 529 122 531 236 188 344
27 357 575 685 762 1,030 738 565 121 336 256 208 385
28 368 573 664 730 1,100 659 421 141 252 209 255 410
29 349 411 807 700 1,020 604 236 118 266 171 228 466
30 340   906 762 829 578 197 86 242 215 216 450
31 339   933   813   226 70   268   404