Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

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 12031000 CHEHALIS RIVER AT PORTER, WA


Grays Harbor County, Washington
Hydrologic Unit Code 17100103
Latitude  46°56'22", Longitude 123°18'47" NAD27
Drainage area 1,294  square miles
Gage datum 0 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1952-10-01 -> 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 8,230 9,500 7,160 6,180 3,150 1,610 857 433 448 825 2,720 7,520
2 8,050 9,200 7,150 5,700 3,020 1,630 832 432 441 853 2,790 8,310
3 8,120 8,760 7,100 5,320 2,940 1,680 814 430 446 771 2,810 9,090
4 8,180 7,970 7,050 5,100 2,930 1,610 795 424 450 751 2,900 9,640
5 8,520 7,530 6,970 5,020 2,950 1,540 767 419 444 792 3,220 9,760
6 9,140 7,460 6,870 5,130 2,890 1,470 741 414 458 792 3,230 9,190
7 10,200 7,640 6,810 5,290 2,800 1,440 720 412 481 813 3,480 8,740
8 10,700 7,770 6,730 5,190 2,700 1,440 701 412 460 798 3,600 8,170
9 11,000 8,080 6,760 5,100 2,570 1,410 690 418 443 878 3,580 7,850
10 10,600 7,800 7,180 5,010 2,440 1,420 686 408 449 1,070 3,490 7,800
11 10,300 7,390 7,660 4,880 2,350 1,460 675 396 482 1,090 3,650 8,350
12 9,950 7,180 7,620 4,830 2,250 1,440 661 389 473 1,070 4,140 9,150
13 10,000 7,240 7,500 4,890 2,190 1,420 648 385 462 1,060 4,670 9,460
14 9,810 7,280 7,500 4,960 2,130 1,340 644 382 454 1,060 5,120 9,340
15 9,730 7,280 7,460 4,980 2,120 1,290 633 382 459 1,070 5,490 9,500
16 9,810 7,750 7,490 4,870 2,110 1,270 619 380 483 1,070 5,440 9,390
17 9,920 8,290 7,170 4,670 2,100 1,230 606 380 539 1,110 5,440 9,170
18 9,950 8,630 6,650 4,440 2,050 1,180 587 376 588 1,140 5,650 8,990
19 9,970 8,800 6,230 4,190 2,010 1,140 567 374 603 1,210 6,080 8,630
20 9,790 8,760 5,890 4,120 1,980 1,120 554 374 601 1,370 6,800 8,570
21 9,520 8,670 5,810 4,130 1,950 1,090 542 377 614 1,550 7,080 8,750
22 9,360 8,380 5,770 3,920 1,890 1,070 530 388 602 1,670 7,200 8,880
23 8,930 8,090 5,760 3,810 1,850 1,040 517 388 592 1,760 7,440 8,770
24 9,070 7,870 5,870 3,900 1,820 1,010 505 405 609 1,680 7,590 8,460
25 9,610 7,710 6,020 3,920 1,750 987 491 423 606 1,660 8,140 8,190
26 9,590 7,590 6,000 3,750 1,690 963 481 439 586 1,800 8,790 8,060
27 9,610 7,180 5,900 3,580 1,650 932 471 448 579 1,980 8,510 8,100
28 9,240 6,980 5,850 3,550 1,620 902 464 440 595 2,140 8,070 8,360
29 9,230 7,490 5,840 3,480 1,640 896 454 436 685 2,180 7,500 8,490
30 9,260   6,200 3,300 1,630 883 445 442 794 2,320 7,180 8,550
31 9,340   6,410   1,580   438 453   2,450   8,580