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USGS Daily Statistics for Ohio

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Ohio

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 04200500 Black River at Elyria OH


Lorain County, Ohio
Hydrologic Unit Code 04110001
Latitude  41°22'49", Longitude  82°06'17" NAD27
Drainage area 396  square miles
Contributing drainage area 396  square miles
Gage datum 620.09 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 1944-10-01 -> 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
1 732 480 736 677 454 316 205 123 76 113 222 418
2 600 461 760 699 445 389 231 97 86 93 252 412
3 457 471 738 970 536 314 250 68 63 70 305 371
4 626 424 839 1,130 482 267 214 55 59 67 197 366
5 697 487 1,010 1,140 420 190 242 48 44 66 153 365
6 611 466 888 837 389 201 343 79 56 69 157 363
7 504 449 848 647 412 203 159 123 95 89 128 422
8 395 436 884 683 394 189 116 132 131 88 137 350
9 475 420 838 625 350 253 196 109 95 58 135 297
10 441 573 785 630 378 222 230 72 108 55 144 371
11 414 653 919 720 399 148 247 64 75 47 205 431
12 503 538 901 751 518 155 248 86 53 39 264 514
13 574 507 871 657 582 167 208 83 70 54 233 514
14 483 531 972 633 416 358 166 79 91 61 201 418
15 423 594 1,070 684 444 370 155 67 97 80 267 421
16 494 606 977 578 427 231 145 57 71 105 321 487
17 503 647 773 559 377 299 198 75 66 91 361 450
18 551 731 656 468 473 295 268 65 121 94 277 381
19 609 763 719 447 540 271 142 69 89 114 245 311
20 505 718 834 584 419 247 62 93 85 160 236 304
21 447 693 936 671 383 232 66 144 64 165 212 387
22 611 706 1,020 580 456 205 74 158 78 113 211 491
23 502 936 731 548 382 280 119 89 95 88 308 510
24 656 1,000 644 623 281 231 98 128 65 96 234 508
25 675 876 575 566 233 228 93 176 56 102 233 483
26 547 761 578 628 471 219 58 152 93 108 305 483
27 668 804 596 523 570 227 68 105 138 120 366 439
28 555 867 685 485 400 276 85 66 166 145 337 482
29 550 522 842 454 406 286 113 58 124 205 374 458
30 579   838 483 242 203 70 59 100 276 341 567
31 638   800   217   112 90   263   791