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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 11525500 TRINITY R A LEWISTON CA


Trinity County, California
Hydrologic Unit Code 18010211
Latitude  40°43'29", Longitude 122°48'04" NAD83
Drainage area 719  square miles
Gage datum 1,830 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 1961-10-01 -> 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
1 490 525 576 616 1,440 1,470 720 401 477 354 292 311
2 485 509 597 587 1,560 1,420 704 391 500 355 292 315
3 484 488 597 578 1,550 1,370 692 387 481 355 292 314
4 484 461 610 559 1,630 1,330 675 382 483 355 293 313
5 491 467 629 565 1,710 1,290 666 379 486 356 294 311
6 500 469 632 583 1,860 1,280 656 380 486 355 293 311
7 509 453 634 566 1,840 1,270 645 380 459 354 293 309
8 493 458 658 532 1,820 1,210 630 382 445 353 294 308
9 489 462 654 524 1,830 1,190 624 381 467 351 294 309
10 510 471 604 540 1,880 1,190 606 381 463 350 294 306
11 515 463 582 520 1,840 1,220 588 380 444 350 302 300
12 545 435 557 550 1,820 1,250 567 376 440 351 309 297
13 564 457 559 593 1,850 1,230 544 385 448 351 308 303
14 537 545 538 662 1,870 1,220 506 388 433 346 306 322
15 512 532 547 729 1,870 1,190 490 390 422 336 300 329
16 567 505 581 737 1,840 1,130 489 392 424 307 298 333
17 659 522 586 830 1,790 1,040 482 422 455 294 299 334
18 691 529 577 809 1,750 969 465 411 455 291 300 334
19 706 520 571 748 1,770 935 461 396 434 291 306 343
20 703 538 591 717 1,670 914 449 389 427 290 309 394
21 688 541 598 769 1,610 894 436 419 425 290 310 393
22 678 572 579 785 1,610 889 424 424 414 288 310 391
23 640 626 552 843 1,600 865 422 447 386 288 309 386
24 586 660 530 892 1,590 844 425 472 374 289 307 384
25 604 663 552 939 1,550 823 429 497 372 289 308 384
26 587 629 580 1,000 1,530 818 427 531 370 290 316 384
27 593 588 583 1,130 1,500 804 437 539 368 291 315 402
28 583 569 608 1,260 1,540 774 439 515 363 291 313 428
29 529 888 634 1,390 1,540 743 427 519 360 290 313 459
30 515   697 1,390 1,510 726 415 488 360 289 313 482
31 525   654   1,470   406 478   290   476