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USGS Daily Statistics for the Nation

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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 04199500 Vermilion River near Vermilion OH


Lorain County, Ohio
Hydrologic Unit Code 04100012
Latitude  41°22'55", Longitude  82°19'01" NAD27
Drainage area 262  square miles
Gage datum 594.51 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 1949-10-01 -> 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
1 576 347 743 409 362 195 184 68 28 72 163 347
2 456 433 688 445 399 156 102 53 24 48 228 317
3 351 387 585 694 449 129 81 42 49 48 202 283
4 466 314 761 871 334 159 114 44 37 44 112 240
5 436 333 852 872 282 162 522 30 29 30 79 222
6 453 415 732 615 287 180 521 37 36 35 78 313
7 351 416 632 486 315 138 172 52 45 49 73 344
8 209 412 658 531 296 92 109 69 45 54 93 311
9 346 365 666 406 297 136 176 66 59 54 100 259
10 349 482 615 379 338 129 189 56 37 36 85 323
11 322 588 732 464 332 115 231 37 33 28 98 308
12 488 503 784 553 421 138 216 43 28 23 80 326
13 518 446 787 411 374 143 186 49 42 26 74 402
14 380 319 982 453 332 320 125 52 63 35 125 632
15 336 369 1,230 471 347 276 103 42 74 41 176 634
16 325 413 1,000 413 326 208 64 41 40 50 189 330
17 313 558 780 342 219 239 134 39 45 56 186 276
18 447 659 643 279 279 170 205 33 59 62 178 235
19 440 600 756 342 364 145 92 41 42 48 227 213
20 349 449 788 424 260 157 82 97 46 82 212 229
21 302 445 712 399 233 159 75 168 36 93 181 316
22 333 516 580 373 257 233 81 88 34 75 134 440
23 425 558 503 441 222 298 65 60 55 48 167 379
24 521 581 471 477 181 168 55 179 37 59 136 335
25 403 603 412 459 156 216 54 154 31 84 166 363
26 457 590 403 536 309 190 39 103 54 88 208 373
27 525 602 408 382 398 209 63 37 74 90 208 357
28 478 683 469 392 266 163 97 24 92 118 199 359
29 550 223 613 387 227 161 54 38 49 172 250 346
30 647   624 412 167 135 38 32 53 275 227 354
31 511   586   190   63 33   225   491