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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 11526250 TRINITY R A JUNCTION CITY CA


Trinity County, California
Hydrologic Unit Code 18010211
Latitude  40°43'43", Longitude 123°03'39" NAD27
Drainage area 1,057  square miles
Gage datum 1,445.35 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 2002-10-01 -> 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 1,040 1,030 1,150 1,060 3,250 2,550 1,320 548 761 482 375 468
2 907 1,100 1,210 1,030 3,450 2,460 1,280 540 778 482 382 580
3 827 1,070 1,150 1,010 3,650 2,390 1,250 534 796 484 373 475
4 914 1,020 1,100 1,030 3,860 2,330 1,220 523 766 487 378 485
5 922 1,150 1,090 1,070 4,020 2,250 1,190 512 794 489 368 537
6 831 1,240 1,280 1,100 4,230 2,210 1,160 511 787 487 371 529
7 845 1,370 1,200 1,200 4,200 2,180 1,140 512 750 484 387 532
8 1,090 1,120 1,100 1,130 4,080 2,100 1,110 509 720 483 395 535
9 1,180 1,240 1,060 1,100 3,990 1,970 1,080 506 748 484 396 498
10 1,150 1,120 1,160 1,080 3,970 1,920 1,020 507 777 488 389 536
11 1,180 987 1,130 1,170 3,800 1,880 957 506 732 488 376 625
12 1,200 914 1,120 1,420 3,640 1,840 903 504 699 485 375 553
13 1,450 900 1,160 1,410 3,630 1,790 855 508 692 489 381 564
14 1,500 968 1,320 1,310 3,740 1,780 812 528 665 494 377 732
15 1,320 944 1,310 1,340 3,650 1,740 778 527 663 478 374 781
16 1,200 1,080 1,210 1,480 3,560 1,700 754 529 654 441 379 843
17 1,370 1,330 1,100 1,820 3,440 1,680 741 580 731 368 373 625
18 1,360 1,290 1,020 2,000 3,450 1,620 716 602 764 345 373 574
19 1,380 1,140 1,020 1,820 3,620 1,600 693 577 733 351 382 706
20 1,390 1,270 1,140 1,810 3,480 1,550 673 557 683 351 393 751
21 1,340 1,230 1,170 1,830 3,270 1,530 654 643 675 341 405 764
22 1,300 1,170 1,180 2,040 3,190 1,490 633 669 655 348 400 811
23 1,210 1,120 1,090 2,230 3,170 1,490 607 671 566 346 399 742
24 1,120 1,080 1,120 2,320 3,120 1,460 599 741 514 398 394 723
25 1,070 1,090 1,100 2,340 3,080 1,420 594 783 497 378 382 664
26 1,050 1,220 1,080 2,510 2,980 1,420 589 891 492 365 380 679
27 999 1,640 1,120 2,780 2,860 1,420 592 919 488 361 394 917
28 992 1,300 1,230 2,810 2,810 1,380 590 840 480 366 389 1,380
29 1,020 1,390 1,120 3,160 2,750 1,370 584 874 480 374 411 1,070
30 1,010   1,140 3,300 2,690 1,330 561 850 483 372 468 1,200
31 949   1,100   2,630   546 790   372   1,350