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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 11530000 TRINITY R A HOOPA CA


Humboldt County, California
Hydrologic Unit Code 18010211
Latitude  41°03'00", Longitude 123°40'21" NAD27
Drainage area 2,853  square miles
Gage datum 274.82 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 1963-10-01 -> 2023-09-30)

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 8,310 8,820 9,790 8,680 6,210 4,390 1,950 912 829 708 1,140 4,490
2 7,600 8,780 10,000 8,420 6,150 4,240 1,920 895 800 687 1,160 4,830
3 6,750 8,800 10,200 7,880 6,130 4,100 1,850 877 807 695 1,200 4,790
4 6,820 8,360 9,360 7,410 6,100 4,020 1,790 863 792 694 1,140 4,720
5 6,920 8,130 9,200 7,160 6,220 3,960 1,740 847 781 701 1,200 5,230
6 7,110 8,330 9,430 7,140 6,160 3,830 1,710 832 803 703 1,310 5,040
7 6,720 9,190 8,940 7,410 6,150 3,730 1,670 824 772 702 1,500 5,090
8 7,360 8,990 9,250 7,220 6,110 3,590 1,630 816 752 701 1,730 5,320
9 8,450 9,020 10,100 7,040 6,100 3,450 1,600 804 744 700 1,890 5,290
10 8,250 8,900 10,200 6,730 5,960 3,340 1,570 793 780 725 2,080 5,970
11 8,520 8,320 9,730 6,800 5,840 3,250 1,510 785 768 764 2,730 5,890
12 8,830 8,000 9,360 6,840 5,710 3,190 1,470 775 740 744 2,500 5,710
13 10,300 8,870 10,000 6,890 5,580 3,170 1,430 765 723 731 2,410 5,830
14 11,000 9,800 10,000 6,780 5,560 3,130 1,380 758 739 740 2,370 6,740
15 11,700 9,700 9,610 6,500 5,520 3,090 1,320 762 730 771 2,420 7,150
16 12,900 9,680 9,530 6,390 5,520 2,980 1,280 760 720 787 2,800 6,930
17 14,200 10,600 9,480 6,450 5,400 2,870 1,260 754 721 803 2,900 6,500
18 12,800 11,200 9,520 6,590 5,420 2,760 1,250 774 764 759 2,570 5,460
19 11,900 10,700 9,180 6,520 5,480 2,690 1,220 770 792 808 2,540 6,240
20 12,100 11,000 8,570 6,360 5,290 2,590 1,180 755 787 837 2,760 6,740
21 12,500 10,400 8,430 6,300 5,080 2,500 1,140 745 760 789 2,770 8,110
22 11,800 9,930 8,640 6,140 5,020 2,410 1,110 760 744 836 3,110 9,970
23 11,300 9,610 9,150 6,080 4,920 2,350 1,080 760 725 1,020 3,420 9,150
24 11,000 8,860 9,060 6,240 4,770 2,280 1,060 767 700 1,160 4,100 7,750
25 9,810 8,490 9,380 6,150 4,670 2,220 1,040 797 700 1,380 3,940 6,730
26 10,700 8,840 9,700 5,980 4,540 2,180 1,020 815 707 1,260 3,340 6,420
27 11,600 9,950 8,880 5,970 4,580 2,170 999 846 715 1,080 3,250 6,640
28 10,100 9,990 8,750 6,120 4,640 2,120 987 858 703 1,060 3,570 7,830
29 9,690 12,600 8,440 6,190 4,520 2,090 977 833 716 1,120 3,640 7,660
30 9,480   9,590 6,290 4,390 2,000 959 868 739 1,210 3,830 8,300
31 8,940   9,240   4,510   937 888   1,240   9,220