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USGS Daily Statistics for the Nation

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 11528700 SF TRINITY R BL HYAMPOM CA


Trinity County, California
Hydrologic Unit Code 18010212
Latitude  40°39'00", Longitude 123°29'35" NAD27
Drainage area 764  square miles
Gage datum 1,211.37 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 53 - 54 years of record in, ft3/s   (Calculation Period 1965-10-01 -> 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 2,740 2,610 3,360 2,810 1,500 744 265 108 72 73 186 1,210
2 2,560 2,730 3,220 2,620 1,440 691 256 106 70 72 194 1,490
3 2,050 2,790 3,280 2,430 1,380 653 247 104 67 75 203 1,340
4 2,230 2,650 3,080 2,260 1,330 633 239 102 66 75 191 1,390
5 2,130 2,670 3,030 2,210 1,360 618 231 99 66 76 202 1,580
6 2,070 2,830 3,110 2,200 1,290 595 224 97 65 75 231 1,380
7 1,870 3,390 3,010 2,280 1,250 573 216 96 64 76 269 1,450
8 2,340 3,100 3,310 2,180 1,230 553 210 93 63 76 290 1,450
9 3,050 3,210 3,660 2,130 1,230 535 206 92 63 78 319 1,510
10 2,710 3,000 3,550 2,060 1,180 514 199 90 65 85 509 1,970
11 2,690 2,690 3,370 2,170 1,120 492 194 89 65 87 642 1,720
12 3,260 2,750 3,390 2,120 1,070 474 188 87 63 86 601 1,740
13 3,870 3,110 3,670 2,140 1,030 461 182 85 61 85 538 1,600
14 4,070 3,480 3,540 2,080 998 446 176 83 61 89 518 1,930
15 4,020 3,260 3,300 1,930 982 435 170 82 61 94 566 2,200
16 5,100 3,490 3,400 1,850 957 418 166 80 61 110 714 2,140
17 4,710 4,310 3,240 1,860 934 406 162 79 65 114 721 2,000
18 3,850 4,280 3,350 1,860 1,000 398 160 77 68 105 675 1,660
19 3,660 4,120 3,180 1,780 1,010 389 158 77 72 107 629 2,360
20 4,040 4,000 2,920 1,750 934 377 154 77 73 113 646 2,210
21 4,060 3,680 2,870 1,710 896 359 148 78 70 109 603 2,460
22 3,540 3,310 3,060 1,670 881 343 144 78 67 114 692 2,200
23 3,480 3,130 3,010 1,660 849 331 140 76 67 151 840 1,910
24 3,490 2,880 3,020 1,680 810 320 136 75 67 167 918 1,760
25 2,990 2,800 3,240 1,630 785 312 131 73 67 222 836 1,630
26 3,850 3,150 3,310 1,560 764 305 127 73 71 188 725 1,590
27 3,780 3,720 2,910 1,550 771 302 123 72 80 162 798 1,980
28 3,120 3,690 2,930 1,570 769 291 119 71 76 173 860 2,730
29 3,130 4,290 2,930 1,570 735 285 116 70 73 199 880 2,740
30 3,030   3,310 1,520 717 275 113 74 75 215 1,120 3,040
31 2,730   2,950   791   111 75   223   3,410