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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 water year of record in, ft3/s   (Calculation Period 2002-10-01 -> 2020-09-30)

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
1 768 743 902 792 3,380 2,880 1,510 536 803 477 359 431
2 683 850 943 763 3,690 2,780 1,460 521 855 477 358 506
3 642 810 898 751 3,930 2,690 1,420 520 838 479 353 427
4 726 801 853 741 4,150 2,630 1,390 515 792 482 355 443
5 654 836 881 772 4,370 2,540 1,350 510 750 484 348 466
6 619 952 1,020 827 4,700 2,500 1,320 512 725 481 351 476
7 627 1,040 920 906 4,660 2,490 1,280 512 720 478 375 468
8 755 880 844 842 4,560 2,370 1,250 507 715 477 372 473
9 802 1,010 831 823 4,420 2,210 1,220 504 793 480 368 446
10 835 882 916 786 4,440 2,150 1,130 506 824 486 358 491
11 823 780 893 833 4,250 2,110 1,060 503 770 483 350 534
12 854 719 867 1,040 4,050 2,050 984 503 723 482 352 482
13 1,070 724 860 1,020 4,090 2,010 925 517 679 485 358 504
14 1,010 786 846 938 4,220 1,980 873 531 652 486 354 629
15 943 740 844 1,030 4,150 1,930 834 534 654 464 355 672
16 959 838 866 1,060 4,080 1,880 804 537 655 407 359 675
17 1,130 1,050 789 1,260 3,900 1,860 783 626 760 356 354 513
18 1,120 925 740 1,460 3,930 1,810 747 630 780 337 352 494
19 1,170 773 732 1,260 4,150 1,780 718 581 727 346 357 583
20 1,170 816 814 1,100 3,980 1,740 691 548 694 339 376 598
21 1,080 850 840 1,030 3,720 1,710 668 626 685 330 378 615
22 1,040 839 849 1,070 3,630 1,680 641 659 665 328 378 663
23 999 816 779 1,200 3,590 1,690 613 700 574 335 374 584
24 914 820 851 1,360 3,590 1,660 606 797 514 369 369 573
25 869 864 835 1,600 3,540 1,610 600 862 498 348 357 525
26 844 1,010 815 1,830 3,400 1,630 599 1,000 493 348 359 552
27 779 1,250 871 2,160 3,250 1,620 602 998 486 344 373 765
28 763 992 907 2,360 3,190 1,580 600 895 478 348 367 1,050
29 816 1,140 826 3,000 3,110 1,560 590 966 478 357 397 787
30 792   875 3,290 3,040 1,520 561 916 484 357 427 943
31 735   836   2,960   544 847   353   973