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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 -> 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
1 854 388 1,240 1,330 966 646 285 57 53 42 446 321
2 917 325 1,220 1,010 768 390 258 45 47 34 720 396
3 892 346 1,060 876 589 269 211 41 38 32 748 302
4 847 305 1,160 1,010 775 234 200 45 32 33 757 277
5 713 428 1,070 895 991 206 248 46 31 80 704 296
6 594 477 952 1,030 1,210 155 328 38 46 246 629 266
7 455 657 1,040 895 1,260 142 322 38 116 266 455 223
8 312 795 960 768 1,140 119 287 40 111 277 331 180
9 252 891 721 594 1,070 105 260 39 142 352 288 150
10 380 1,040 809 635 1,150 130 271 47 170 273 260 137
11 629 934 667 612 1,050 117 331 120 161 199 213 134
12 834 900 505 466 953 114 238 66 184 151 161 163
13 993 913 505 321 1,010 126 219 54 158 107 114 164
14 863 693 489 316 692 177 210 46 116 72 88 178
15 740 606 524 416 501 172 195 41 69 141 83 194
16 572 622 507 446 404 215 185 41 54 245 121 282
17 398 691 427 428 568 235 408 60 41 138 140 270
18 339 792 450 432 920 246 593 98 35 79 262 273
19 424 773 792 428 1,410 304 490 142 32 56 599 300
20 379 921 864 522 1,500 590 420 66 29 46 701 244
21 308 1,200 1,020 848 1,410 614 436 246 31 46 749 278
22 349 1,260 1,000 839 1,190 745 461 346 36 56 654 265
23 509 1,420 1,040 678 867 896 404 219 50 92 475 228
24 776 1,420 964 478 580 747 417 137 78 113 354 214
25 717 1,690 753 326 963 578 415 103 102 326 303 237
26 667 1,610 722 710 1,150 516 312 71 125 430 418 265
27 633 1,420 761 923 1,000 477 229 58 108 352 389 310
28 777 1,500 812 1,060 1,110 396 175 54 91 267 302 365
29 731 858 946 1,120 1,150 270 123 43 82 294 299 462
30 626   1,170 1,050 1,070 223 63 36 61 396 304 614
31 475   1,370   921   52 43   390   651