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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 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 -> 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 1,370 687 2,110 1,890 1,940 1,430 1,180 126 104 148 364 904
2 1,320 551 2,160 1,730 1,760 1,080 986 159 103 129 529 927
3 1,310 542 2,050 1,610 1,430 669 795 221 93 120 528 839
4 1,370 620 1,900 1,940 1,350 499 636 174 87 134 498 710
5 1,080 707 1,730 1,910 1,490 487 484 154 92 122 445 665
6 717 763 1,610 2,010 1,440 427 492 151 83 200 482 764
7 554 667 1,490 1,910 1,460 362 440 146 80 330 438 749
8 481 868 1,430 1,850 1,390 521 463 128 119 302 332 600
9 412 900 1,480 1,550 1,300 734 666 116 128 279 247 518
10 601 971 1,940 1,340 1,350 643 758 152 223 274 219 520
11 968 965 2,370 1,550 1,350 593 978 185 415 228 197 514
12 1,390 943 2,160 1,850 1,280 482 833 198 338 185 164 463
13 1,820 959 1,750 1,690 1,210 592 629 152 220 148 138 379
14 1,760 785 1,870 1,430 1,210 852 707 139 170 130 137 373
15 1,610 670 2,050 1,410 1,270 853 658 186 133 198 233 524
16 1,510 658 1,910 1,380 1,080 1,010 592 155 112 240 219 563
17 1,510 807 1,540 1,100 870 1,110 907 156 102 190 205 565
18 1,490 1,100 1,240 864 1,050 1,210 790 137 128 133 313 465
19 1,340 1,220 1,340 1,100 1,230 1,230 882 152 147 115 602 481
20 1,190 1,290 1,300 1,360 1,250 1,440 779 182 133 262 581 440
21 1,110 1,490 1,070 1,320 1,310 1,490 691 313 130 401 527 530
22 1,020 1,840 938 1,160 1,640 1,670 577 666 161 396 521 902
23 1,100 1,990 1,110 1,060 1,400 1,480 512 563 151 327 602 839
24 1,400 2,010 1,200 1,140 1,200 1,300 433 259 137 347 824 810
25 1,350 2,050 1,190 1,040 1,410 1,010 400 218 125 487 740 913
26 1,220 2,020 1,200 1,170 1,760 815 370 187 140 546 815 1,060
27 1,000 2,050 1,050 1,150 1,770 1,030 311 134 154 491 812 1,270
28 920 2,130 1,230 1,270 1,760 1,130 269 111 150 384 676 1,250
29 965 902 1,490 1,510 1,820 1,050 219 129 160 276 842 1,250
30 928   1,660 1,820 1,710 1,040 212 106 162 343 943 1,260
31 842   1,900   1,710   158 105   362   1,290