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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 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 -> 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
1 561 332 749 396 370 202 188 68 27 74 165 363
2 453 397 709 361 405 162 104 53 23 49 238 332
3 354 387 598 563 436 134 83 41 50 50 211 295
4 471 314 716 848 299 166 116 44 37 45 117 250
5 441 341 852 845 260 169 539 30 29 31 82 231
6 465 430 749 556 248 186 540 37 36 35 81 328
7 362 431 648 472 306 141 177 52 45 50 76 361
8 213 429 680 540 299 95 113 70 45 56 97 326
9 347 375 689 414 304 141 182 67 60 56 104 269
10 310 494 633 384 346 134 195 57 38 37 89 304
11 312 611 761 436 339 119 238 37 34 29 102 305
12 500 524 818 508 436 140 222 38 28 24 83 336
13 479 465 823 392 388 145 191 33 43 26 75 419
14 363 331 1,030 460 345 326 129 45 65 33 129 664
15 342 384 1,260 486 362 282 106 40 76 40 183 665
16 335 418 1,020 427 339 181 66 39 41 49 198 342
17 312 565 801 354 227 220 139 38 46 56 195 285
18 452 689 664 286 290 168 213 33 60 63 185 242
19 431 629 787 354 380 146 95 42 43 49 235 218
20 319 470 823 442 271 160 84 99 48 84 221 236
21 296 465 744 416 242 163 78 173 37 94 187 328
22 339 532 605 389 250 241 82 91 35 75 132 458
23 439 528 501 460 206 308 66 56 56 48 168 394
24 533 584 437 497 179 173 56 31 37 59 139 346
25 379 618 390 479 159 223 56 35 29 86 172 376
26 400 594 385 554 322 196 40 66 55 90 217 388
27 505 584 412 391 415 215 63 28 77 93 217 359
28 456 653 481 407 276 164 99 19 94 122 206 350
29 531 231 637 402 235 164 54 36 50 176 260 336
30 652   649 424 167 138 32 30 54 278 237 331
31 518   587   194   62 32   227   493