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USGS Surface-Water 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 -> 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
1 726 702 822 766 3,150 2,530 1,310 532 764 473 355 416
2 647 799 855 748 3,380 2,420 1,270 519 809 473 358 479
3 610 760 819 749 3,570 2,340 1,240 517 807 474 351 411
4 693 732 784 784 3,740 2,280 1,210 507 775 476 354 425
5 692 761 808 828 3,900 2,200 1,180 500 812 478 348 445
6 624 851 921 871 4,170 2,170 1,160 501 796 475 350 453
7 663 925 843 927 4,120 2,160 1,130 502 753 473 370 447
8 857 791 780 870 4,020 2,060 1,100 497 723 472 367 451
9 881 897 771 848 3,900 1,930 1,080 495 771 475 370 429
10 860 792 856 841 3,910 1,880 1,010 496 792 480 359 470
11 853 713 831 948 3,750 1,840 944 494 735 478 351 508
12 896 668 823 1,130 3,590 1,790 887 493 702 476 352 462
13 1,080 674 858 1,090 3,640 1,750 838 504 686 479 357 486
14 1,080 722 949 1,030 3,720 1,740 795 516 665 479 353 593
15 967 697 889 1,110 3,630 1,710 764 518 663 459 353 627
16 937 775 853 1,290 3,550 1,660 739 519 659 404 356 630
17 1,070 938 777 1,700 3,400 1,640 722 593 743 345 351 491
18 1,050 837 734 1,840 3,430 1,580 693 599 761 329 350 474
19 1,080 717 748 1,680 3,610 1,550 669 568 717 338 354 550
20 1,080 764 848 1,620 3,450 1,520 646 553 673 332 370 563
21 1,000 803 854 1,610 3,240 1,490 628 675 665 326 370 578
22 965 787 842 1,750 3,160 1,460 606 674 638 332 371 623
23 923 761 772 1,860 3,120 1,470 583 682 553 334 367 565
24 848 760 822 1,880 3,120 1,440 578 746 502 377 363 552
25 808 793 801 1,900 3,060 1,400 573 796 489 351 352 513
26 786 914 781 2,140 2,950 1,420 572 904 485 347 354 534
27 729 1,110 826 2,400 2,830 1,410 574 921 480 344 365 738
28 716 898 863 2,530 2,800 1,370 573 839 474 348 360 966
29 760 990 802 2,960 2,730 1,350 565 896 473 352 386 737
30 739   835 3,120 2,670 1,320 541 856 477 352 411 928
31 693   800   2,610   527 800   349   931