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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 12037400 WYNOOCHEE RIVER ABOVE BLACK CREEK NR MONTESANO, WA


Grays Harbor County, Washington
Hydrologic Unit Code 17100104
Latitude  47°00'42", Longitude 123°39'15" NAD27
Drainage area 155  square miles
Gage datum 0 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 1972-10-01 -> 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 2,160 2,460 1,910 1,230 784 581 374 245 286 545 1,720 2,370
2 2,230 2,350 1,860 1,150 765 604 388 243 284 509 1,770 2,760
3 2,400 2,100 1,890 1,140 804 633 375 240 274 486 1,700 2,770
4 2,580 1,970 1,850 1,170 857 675 370 234 275 512 1,990 2,920
5 2,700 1,910 1,780 1,200 872 675 354 230 283 536 1,970 2,790
6 2,750 1,970 1,690 1,220 841 611 341 231 285 502 2,020 2,540
7 3,190 1,980 1,630 1,180 769 563 328 239 287 504 2,180 2,240
8 2,850 1,900 1,600 1,200 735 529 337 234 293 529 2,010 2,200
9 2,610 1,720 1,830 1,200 703 525 394 228 312 563 2,030 2,250
10 2,560 1,740 1,920 1,150 677 556 356 223 321 711 2,120 2,630
11 2,540 1,680 1,860 1,130 655 538 360 221 326 652 2,140 2,690
12 2,920 1,930 1,790 1,130 638 661 342 219 328 602 2,250 2,830
13 2,970 2,090 1,860 1,150 686 573 370 220 325 623 2,520 2,930
14 3,010 2,070 1,960 1,120 690 531 371 219 325 654 2,550 2,860
15 3,100 2,080 1,860 1,030 678 520 350 217 340 710 2,640 3,070
16 2,910 2,380 1,790 981 664 539 325 216 367 758 2,640 2,840
17 2,890 2,330 1,580 974 636 530 324 215 437 959 2,560 2,720
18 3,100 2,280 1,770 922 637 508 329 215 475 1,060 2,500 2,680
19 2,940 2,380 1,940 871 654 487 301 213 387 1,060 2,480 2,610
20 2,540 2,220 1,650 929 644 457 291 217 360 1,160 2,670 2,790
21 2,410 1,940 1,650 842 618 440 288 219 355 1,130 2,600 2,770
22 2,380 1,950 1,620 815 605 435 305 238 349 1,240 2,560 2,380
23 2,530 1,880 1,540 913 601 430 296 244 391 1,120 2,690 2,190
24 2,700 1,890 1,560 1,020 623 419 284 241 406 1,040 3,000 2,320
25 2,660 1,840 1,450 925 629 401 277 244 420 1,120 2,820 2,270
26 2,340 1,740 1,410 896 612 391 270 244 465 1,260 2,630 2,760
27 2,200 1,820 1,330 899 593 393 267 235 536 1,330 2,440 2,760
28 2,410 1,860 1,270 898 644 386 262 236 510 1,310 2,500 2,620
29 2,360 2,170 1,460 851 616 375 258 262 537 1,400 2,520 2,440
30 2,460   1,460 824 568 370 253 286 596 1,570 2,440 2,560
31 2,420   1,360   573   247 313   1,790   2,230