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USGS Daily Statistics for Indiana

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NOTE: USGS Indiana historic, recent, and real-time data will continue to be provided in Eastern Standard Time.


NOTE: During winter months, stage and discharge may be affected by ice. Click here for more information.

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 04182769 ST. MARYS RIVER AT MAIN ST. AT FORT WAYNE, IN


Allen County, Indiana
Hydrologic Unit Code 04100004
Latitude  41°04'43", Longitude  85°09'16" NAD27
Drainage area 823  square miles
Contributing drainage area 821.6  square miles
Gage datum 734.46 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 2009-10-01 -> 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 1,370 687 2,230 1,880 1,950 1,500 1,250 133 107 151 385 904
2 1,320 551 2,300 1,450 1,800 1,120 1,040 167 106 133 561 927
3 1,310 542 2,180 1,260 1,460 691 842 232 96 125 559 839
4 1,370 620 2,020 1,600 1,390 512 670 177 90 139 529 710
5 1,080 707 1,830 1,580 1,560 491 507 158 96 125 474 665
6 717 763 1,710 1,710 1,510 430 515 157 86 211 510 764
7 554 667 1,580 1,660 1,530 366 454 152 82 350 463 749
8 481 868 1,520 1,690 1,460 536 487 131 125 320 350 600
9 412 900 1,540 1,500 1,360 760 705 119 134 295 260 518
10 601 971 1,980 1,350 1,380 668 786 158 236 289 229 520
11 968 965 2,450 1,450 1,360 620 1,010 194 441 241 207 514
12 1,390 943 2,240 1,600 1,310 508 856 209 357 192 168 463
13 1,820 959 1,790 1,430 1,230 627 635 159 231 154 143 379
14 1,760 785 1,830 1,190 1,230 904 711 145 177 136 141 373
15 1,610 670 1,930 1,180 1,310 903 651 197 138 208 243 524
16 1,510 658 1,820 1,180 1,120 1,070 587 164 116 253 229 563
17 1,510 807 1,490 945 906 1,190 935 165 106 200 214 565
18 1,490 1,100 1,210 796 1,100 1,290 819 144 133 138 328 465
19 1,340 1,220 1,330 1,060 1,300 1,310 929 160 154 119 638 481
20 1,190 1,380 1,300 1,350 1,320 1,530 824 191 139 277 616 440
21 1,110 1,590 1,090 1,340 1,390 1,590 733 332 137 424 557 530
22 1,020 1,960 969 1,180 1,740 1,780 614 710 170 419 554 902
23 1,100 2,100 1,170 1,090 1,490 1,570 549 600 158 345 637 839
24 1,400 2,110 1,260 1,100 1,280 1,380 461 273 144 366 876 810
25 1,350 2,150 1,260 1,020 1,500 1,070 428 231 130 515 787 913
26 1,220 2,130 1,270 1,200 1,860 856 392 199 143 579 815 1,060
27 1,000 2,170 1,110 1,190 1,860 1,090 329 142 154 521 812 1,270
28 920 2,250 1,300 1,320 1,830 1,190 285 117 153 407 676 1,250
29 965 1,070 1,580 1,580 1,890 1,100 233 135 163 292 842 1,250
30 928   1,750 1,830 1,780 1,090 224 111 164 364 943 1,260
31 842   2,010   1,790   168 110   385   1,290