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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 04209000 Chagrin River at Willoughby OH


Lake County, Ohio
Hydrologic Unit Code 04110003
Latitude  41°37'51", Longitude  81°24'13" NAD27
Drainage area 246  square miles
Contributing drainage area 246  square miles
Gage datum 583.02 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 1924-10-01 -> 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
1 641 433 604 539 399 432 218 127 149 187 294 626
2 574 523 647 643 419 355 131 139 108 167 270 408
3 532 444 598 769 461 275 141 172 114 147 246 457
4 671 431 826 866 369 241 173 117 115 131 198 419
5 541 520 834 806 361 204 210 130 139 140 220 392
6 572 503 690 551 338 288 145 152 101 142 204 447
7 419 493 692 506 342 210 135 216 181 232 204 496
8 518 498 733 611 368 211 180 182 127 129 225 423
9 510 394 654 528 364 276 163 134 138 138 194 357
10 407 519 665 601 387 230 205 139 178 136 278 378
11 449 581 749 609 409 166 224 155 138 122 323 374
12 636 519 686 664 496 161 205 170 110 113 297 484
13 521 518 734 486 455 226 171 251 161 172 304 476
14 419 574 883 517 392 276 160 170 240 142 278 489
15 397 614 832 618 405 222 201 155 149 218 310 404
16 387 613 731 585 560 285 118 126 132 271 462 396
17 398 730 702 531 434 242 207 103 125 220 442 337
18 535 663 578 408 445 230 153 97 171 200 426 398
19 612 652 725 408 443 191 149 100 138 240 386 321
20 432 606 793 551 400 182 205 126 135 235 389 323
21 518 652 817 521 331 162 186 133 130 262 335 375
22 609 696 849 496 346 162 174 121 134 201 363 435
23 598 725 669 541 332 268 167 102 137 213 401 504
24 600 623 634 616 320 215 162 130 151 219 368 502
25 536 673 684 565 389 232 139 118 161 282 339 495
26 542 727 627 647 504 250 103 81 199 224 431 444
27 603 675 636 504 286 210 184 79 234 231 398 440
28 494 636 687 518 290 228 273 146 219 288 441 505
29 524 469 737 443 261 253 146 166 184 287 476 472
30 614   694 439 205 248 116 140 172 313 414 663
31 455   614   350   144 187   290   781