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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 1,100 1,250 947 592 263 52 53 42 446 321
2 917 325 1,080 1,240 763 360 237 42 47 34 720 396
3 892 346 939 1,270 586 260 193 39 38 32 748 302
4 847 305 1,030 1,510 714 247 181 42 32 33 757 277
5 713 428 950 1,400 889 212 234 44 31 80 704 296
6 594 477 843 1,380 1,080 157 305 37 46 246 629 266
7 455 657 919 1,110 1,120 154 293 37 116 266 455 223
8 312 795 853 889 1,020 141 261 38 111 277 331 180
9 252 891 712 642 984 114 235 37 142 352 288 150
10 380 1,040 821 625 1,110 128 256 44 170 273 260 137
11 629 934 692 769 1,010 113 333 108 161 199 213 134
12 834 900 568 818 934 108 271 60 184 151 161 163
13 993 913 573 741 984 118 262 50 158 107 114 164
14 863 693 547 800 686 162 261 43 116 72 88 178
15 740 606 672 793 481 156 236 38 69 141 83 194
16 572 622 636 684 377 194 189 38 54 245 121 282
17 398 691 537 562 517 210 372 55 41 138 140 270
18 339 792 568 493 824 219 529 88 35 79 262 273
19 424 773 840 475 1,260 270 437 127 32 56 599 300
20 379 921 852 552 1,330 522 373 61 29 46 701 244
21 308 1,030 935 825 1,250 544 387 246 31 46 749 278
22 349 1,090 900 793 1,050 657 408 346 36 56 654 265
23 509 1,240 923 633 772 788 357 219 50 92 475 228
24 776 1,250 858 470 518 659 368 137 78 113 354 214
25 717 1,480 672 312 853 511 365 103 102 326 303 237
26 667 1,400 644 642 1,010 459 276 71 125 430 418 265
27 633 1,240 678 824 910 431 203 58 108 352 389 310
28 777 1,310 722 941 1,010 359 156 54 91 267 302 365
29 731 494 839 995 1,050 249 110 43 82 294 299 462
30 626   1,040 1,020 966 211 58 36 61 396 304 614
31 475   1,210   838   48 43   390   651