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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 05597000 BIG MUDDY RIVER AT PLUMFIELD, IL


Franklin County, Illinois
Hydrologic Unit Code 07140106
Latitude  37°53'29", Longitude  89°01'10" NAD83
Drainage area 792  square miles
Gage datum 352.92 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 1970-10-01 -> 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 1,010 856 1,300 1,790 1,900 1,010 689 397 216 180 207 642
2 1,010 885 1,270 1,780 1,890 1,010 662 372 209 167 228 652
3 1,030 911 1,250 1,770 1,870 1,040 638 352 200 159 234 653
4 1,040 907 1,290 1,760 1,870 1,030 630 344 189 147 237 640
5 1,020 911 1,320 1,810 1,860 1,010 633 342 179 136 248 639
6 982 919 1,320 1,880 1,830 984 637 338 173 129 245 651
7 951 918 1,300 1,860 1,780 944 622 335 172 125 242 649
8 906 938 1,270 1,790 1,740 905 590 331 176 129 232 622
9 860 978 1,270 1,700 1,720 883 569 329 187 142 210 595
10 824 982 1,270 1,640 1,710 851 546 323 194 154 192 570
11 806 975 1,270 1,610 1,700 821 530 313 187 160 184 540
12 821 975 1,270 1,580 1,630 804 549 303 185 167 194 516
13 864 981 1,280 1,560 1,560 783 549 291 185 163 200 506
14 886 985 1,330 1,540 1,510 770 536 288 182 169 231 510
15 887 1,010 1,370 1,500 1,510 745 530 290 181 157 303 539
16 876 1,060 1,360 1,510 1,490 722 530 314 173 148 408 570
17 844 1,110 1,340 1,530 1,470 723 515 342 166 146 463 617
18 831 1,150 1,350 1,470 1,470 735 492 348 164 142 491 660
19 838 1,150 1,450 1,380 1,520 760 486 343 172 138 500 660
20 826 1,160 1,550 1,310 1,560 801 496 354 169 136 521 637
21 839 1,140 1,580 1,290 1,490 807 489 348 170 141 532 629
22 868 1,150 1,590 1,290 1,390 801 479 319 173 135 552 655
23 932 1,190 1,570 1,320 1,300 780 465 289 180 130 546 696
24 1,020 1,270 1,550 1,380 1,200 761 449 264 189 136 513 730
25 1,030 1,350 1,550 1,450 1,130 741 418 245 192 145 514 754
26 1,010 1,420 1,540 1,500 1,080 713 387 230 206 151 514 788
27 962 1,430 1,480 1,530 1,070 693 375 224 209 163 508 835
28 911 1,370 1,480 1,540 1,070 698 369 219 212 173 540 861
29 858 719 1,520 1,610 1,060 702 368 224 207 183 559 895
30 836   1,620 1,800 1,030 708 389 224 199 196 590 926
31 833   1,710   1,020   405 220   196   967