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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 04181049 St Marys River at Walcot Street at Willshire OH


Van Wert County, Ohio
Hydrologic Unit Code 04100004
Latitude  40°44'56", Longitude  84°47'21" NAD83
Drainage area 386  square miles
Gage datum 774.33 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 2016-10-01 -> 2023-09-30)

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 1,160 288 1,230 1,370 1,070 742 321 60 58 46 609 433
2 1,260 265 1,240 1,050 804 444 245 45 51 36 991 540
3 1,160 366 1,020 911 587 304 214 42 41 33 1,030 410
4 1,030 356 883 1,060 803 264 217 47 34 35 1,040 376
5 913 540 799 943 1,060 232 278 49 33 90 971 405
6 772 618 637 1,110 1,340 174 374 40 50 283 868 362
7 596 875 711 959 1,420 158 367 39 132 306 626 302
8 407 1,070 728 798 1,290 132 326 42 126 319 454 242
9 281 1,020 587 581 1,220 115 295 41 162 406 393 201
10 406 1,110 802 636 1,310 145 309 48 194 314 354 181
11 814 1,090 688 637 1,190 130 378 132 183 228 289 176
12 1,080 1,070 525 493 1,070 126 269 70 211 173 215 217
13 1,130 1,110 541 340 904 140 249 57 180 121 149 220
14 1,050 853 535 342 675 182 239 48 131 80 114 240
15 911 773 581 462 481 158 222 42 77 160 107 262
16 721 822 564 499 355 179 211 43 60 281 160 385
17 504 929 473 480 536 199 471 62 45 156 187 367
18 431 1,080 502 487 969 242 687 105 37 86 358 371
19 453 1,050 902 484 1,590 329 566 157 34 60 829 410
20 321 1,260 987 594 1,710 670 479 71 31 48 972 332
21 287 1,420 1,170 976 1,620 701 457 281 33 49 1,040 380
22 354 1,400 1,150 966 1,330 857 517 399 39 60 903 362
23 591 1,290 1,010 779 947 1,030 461 251 55 101 655 309
24 971 1,360 814 547 624 862 479 155 88 125 486 290
25 849 1,760 571 369 1,090 665 477 115 116 374 414 323
26 735 1,640 490 818 1,310 591 359 78 143 591 574 363
27 683 1,420 517 1,070 1,150 532 262 59 123 483 533 426
28 802 1,440 582 1,220 1,280 441 199 54 103 365 410 502
29 662 858 807 1,290 1,330 297 117 44 92 401 406 638
30 493   1,170 1,200 1,240 246 68 37 67 541 412 850
31 366   1,480   1,060   55 46   533   888