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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 11525854 TRINITY R A DOUGLAS CITY CA


Trinity County, California
Hydrologic Unit Code 18010211
Latitude  40°38'43", Longitude 122°57'24" NAD83
Drainage area 931  square miles
Gage datum 1,597 feet above NGVD29
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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 -> 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
1 719 784 822 766 3,150 2,530 1,310 532 764 473 353 412
2 643 831 855 748 3,380 2,420 1,270 519 809 473 355 474
3 610 780 819 749 3,570 2,340 1,240 517 807 474 350 411
4 687 756 784 784 3,740 2,280 1,210 507 775 476 353 423
5 684 851 808 828 3,900 2,200 1,180 500 812 478 347 442
6 619 908 921 871 4,170 2,170 1,160 501 796 475 351 450
7 656 955 843 927 4,120 2,160 1,130 502 753 473 369 445
8 841 818 780 870 4,020 2,060 1,100 497 723 472 365 448
9 864 908 771 848 3,900 1,930 1,080 495 771 475 367 426
10 850 802 856 841 3,910 1,880 1,010 496 792 480 357 465
11 842 722 831 948 3,750 1,840 944 494 735 478 349 501
12 879 677 823 1,130 3,590 1,790 887 493 702 476 350 458
13 1,080 680 858 1,090 3,640 1,750 838 504 686 479 355 479
14 1,080 730 949 1,030 3,720 1,740 795 516 665 479 351 582
15 959 710 889 1,110 3,630 1,710 764 518 663 459 351 615
16 929 782 853 1,290 3,550 1,660 739 519 659 404 355 617
17 1,060 942 777 1,700 3,400 1,640 722 593 743 345 351 485
18 1,040 870 734 1,840 3,430 1,580 693 599 761 329 351 473
19 1,060 810 748 1,680 3,610 1,550 669 568 717 336 359 558
20 1,080 908 848 1,620 3,450 1,520 646 553 673 331 370 579
21 1,040 884 854 1,610 3,240 1,490 628 675 665 325 370 582
22 1,020 838 842 1,750 3,160 1,460 606 674 638 331 370 619
23 945 797 772 1,860 3,120 1,470 583 682 553 332 366 562
24 871 787 822 1,880 3,120 1,440 578 746 502 374 362 548
25 825 812 801 1,900 3,060 1,400 573 796 489 349 352 509
26 797 923 781 2,140 2,950 1,420 572 904 485 345 353 529
27 746 1,110 826 2,400 2,830 1,410 574 921 480 343 364 725
28 739 898 863 2,530 2,800 1,370 573 839 474 346 359 945
29 774 990 802 2,960 2,730 1,350 565 896 473 350 384 729
30 749   835 3,120 2,670 1,320 541 856 477 349 408 921
31 720   800   2,610   527 800   347   918