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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 11526400 TRINITY R AB NF TRINITY R NR HELENA CA


Trinity County, California
Hydrologic Unit Code 18010211
Latitude  40°46'00", Longitude 123°06'48" NAD27
Drainage area 1,137  square miles
Gage datum 1,380 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 2004-10-01 -> 2022-09-30)

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 1,300 1,160 1,280 1,400 3,670 2,990 1,520 596 716 505 482 633
2 1,140 1,380 1,320 1,350 3,900 2,930 1,470 582 735 500 486 875
3 1,020 1,400 1,300 1,310 4,130 2,870 1,420 571 774 502 451 657
4 1,180 1,320 1,260 1,260 4,400 2,850 1,380 562 738 517 462 704
5 1,090 1,350 1,260 1,290 4,730 2,720 1,350 549 774 516 433 777
6 983 1,610 1,590 1,370 4,950 2,650 1,320 546 774 510 474 699
7 945 1,940 1,430 1,600 4,940 2,600 1,280 549 731 503 504 670
8 1,120 1,570 1,270 1,530 4,790 2,520 1,240 542 693 501 472 655
9 1,280 1,920 1,280 1,440 4,740 2,350 1,210 537 724 502 450 647
10 1,260 1,720 1,430 1,320 4,720 2,270 1,160 536 777 520 439 772
11 1,330 1,450 1,350 1,320 4,600 2,210 1,100 533 719 518 427 901
12 1,170 1,290 1,320 1,570 4,370 2,160 1,040 530 680 505 437 778
13 1,390 1,280 1,330 1,620 4,290 2,120 992 530 683 507 451 799
14 1,330 1,390 1,390 1,490 4,420 2,110 938 554 663 539 482 893
15 1,230 1,330 1,300 1,530 4,330 2,060 899 551 663 529 458 1,080
16 1,300 1,310 1,430 1,560 4,230 2,010 871 554 658 493 478 842
17 1,790 1,200 1,360 1,710 4,030 1,990 852 612 766 433 447 739
18 1,850 1,170 1,270 1,990 4,050 1,930 828 645 817 407 445 710
19 1,780 1,110 1,260 1,790 4,280 1,900 797 603 782 465 444 918
20 1,770 1,110 1,330 1,660 4,130 1,830 770 574 722 414 533 952
21 1,700 1,180 1,410 1,530 3,840 1,790 750 611 708 393 560 1,040
22 1,590 1,190 1,330 1,600 3,720 1,750 728 670 693 385 542 1,170
23 1,490 1,190 1,240 1,810 3,700 1,750 700 645 605 421 512 1,030
24 1,390 1,180 1,320 2,000 3,670 1,710 688 725 539 519 500 868
25 1,340 1,160 1,340 2,140 3,630 1,670 675 727 515 470 470 799
26 1,380 1,280 1,310 2,290 3,480 1,680 659 865 508 465 472 836
27 1,240 2,030 1,360 2,630 3,340 1,660 661 897 501 447 498 1,030
28 1,170 1,530 1,490 2,910 3,280 1,650 658 805 492 438 483 1,460
29 1,300 944 1,450 3,410 3,220 1,610 652 839 499 457 515 1,240
30 1,280   1,510 3,710 3,140 1,540 621 828 542 478 645 1,450
31 1,170   1,470   3,070   598 747   468   1,840