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USGS Daily Statistics for California

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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 16 - 17 years of record in, ft3/s   (Calculation Period 2002-10-01 -> 2019-09-30)

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
1 792 758 902 792 3,220 2,890 1,460 532 824 477 360 435
2 701 873 943 763 3,650 2,790 1,420 519 779 477 359 515
3 658 831 898 751 3,910 2,700 1,390 519 768 479 354 430
4 747 801 853 741 4,150 2,650 1,360 516 762 482 356 448
5 670 836 881 772 4,410 2,520 1,330 511 751 485 349 473
6 633 952 1,020 827 4,780 2,450 1,290 513 742 481 353 480
7 642 1,040 920 906 4,740 2,380 1,260 516 735 479 377 443
8 777 880 844 842 4,640 2,300 1,230 510 730 477 374 467
9 825 1,010 831 823 4,500 2,180 1,210 507 813 481 370 445
10 861 882 916 786 4,520 2,130 1,130 508 846 486 360 495
11 848 780 893 803 4,320 2,090 1,050 505 788 484 351 542
12 882 719 867 1,030 4,120 2,040 975 506 739 482 353 484
13 1,110 724 860 1,010 4,170 1,990 916 521 692 486 360 507
14 1,050 786 846 927 4,310 1,970 864 536 664 488 356 638
15 975 740 844 882 4,210 1,920 825 540 665 468 357 687
16 990 838 866 847 4,050 1,870 794 543 667 410 361 691
17 1,170 1,050 789 904 3,880 1,850 774 637 777 357 355 520
18 1,160 925 740 953 3,850 1,800 739 642 797 338 353 500
19 1,210 773 732 916 3,830 1,770 708 590 737 347 358 593
20 1,210 816 814 872 3,760 1,730 679 554 703 339 379 609
21 1,120 850 840 863 3,650 1,700 658 637 694 330 380 628
22 1,080 839 849 934 3,610 1,660 631 672 674 328 380 678
23 1,030 816 779 1,080 3,600 1,640 603 716 581 335 376 593
24 939 820 851 1,260 3,570 1,620 596 818 517 372 371 583
25 888 864 835 1,530 3,490 1,580 591 886 500 349 359 532
26 843 1,010 815 1,780 3,400 1,540 591 1,040 495 349 360 561
27 786 1,250 871 2,130 3,270 1,530 593 1,030 487 344 373 787
28 773 992 907 2,340 3,210 1,520 593 922 479 349 368 1,090
29 832 1,140 826 2,710 3,110 1,500 584 997 478 358 400 811
30 808   875 2,810 3,050 1,470 554 944 484 358 432 977
31 748   836   2,960   539 871   355   1,010