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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 03261500 Great Miami River at Sidney OH


Shelby County, Ohio
Hydrologic Unit Code 05080001
Latitude  40°17'13", Longitude  84°09'00" NAD27
Drainage area 541  square miles
Contributing drainage area 541  square miles
Gage datum 923.68 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 1925-10-01 -> 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
1 905 603 931 871 593 433 405 164 132 176 227 590
2 831 586 939 949 630 480 472 175 167 184 291 518
3 721 622 936 1,060 666 565 443 190 158 185 274 554
4 810 642 1,050 1,150 626 573 502 235 150 196 239 523
5 850 679 1,210 1,100 617 513 429 304 209 236 208 523
6 821 671 1,200 1,070 565 517 352 269 158 245 211 510
7 714 670 1,100 1,040 563 447 353 228 120 198 196 492
8 723 672 1,030 1,050 569 401 365 238 136 153 216 460
9 728 668 961 1,010 598 437 354 237 155 143 211 433
10 728 703 997 1,020 593 474 334 180 145 144 211 423
11 694 747 1,010 1,030 612 446 314 169 120 137 238 482
12 751 688 1,010 1,090 606 432 344 225 109 129 265 528
13 841 694 1,020 1,050 723 488 420 192 105 123 297 559
14 845 777 1,090 1,020 747 628 454 187 107 124 360 605
15 855 784 1,110 939 660 630 442 186 113 142 388 594
16 795 791 1,100 883 627 625 380 180 107 130 437 558
17 698 886 1,040 837 670 640 352 169 107 151 424 585
18 794 869 922 786 752 646 337 165 103 159 424 598
19 887 855 1,030 769 880 653 318 165 108 158 424 528
20 763 819 1,210 855 778 597 279 142 98 173 414 484
21 804 878 1,240 906 641 538 265 133 97 171 362 524
22 852 910 1,110 875 572 520 300 129 110 171 329 609
23 825 990 1,060 845 487 446 284 124 140 168 361 570
24 838 971 1,030 823 462 381 240 115 186 205 354 607
25 800 1,010 908 815 468 364 252 108 201 245 361 563
26 782 1,160 878 778 544 417 243 104 193 218 446 561
27 800 1,090 887 710 583 411 217 91 221 200 472 566
28 748 1,040 849 680 598 441 212 102 216 226 495 582
29 711 706 905 652 535 463 217 130 188 248 526 606
30 741   889 614 477 410 179 126 175 242 504 718
31 713   886   416   162 116   218   838