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USGS Daily Statistics for Idaho

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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 13185000 BOISE RIVER NR TWIN SPRINGS ID


Boise County, Idaho
Hydrologic Unit Code 17050112
Latitude  43°40'05", Longitude 115°43'31" NAD83
Drainage area 832  square miles
Gage datum 3,274.96 feet above NAVD88
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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 1910-10-01 -> 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
1 508 473 605 1,350 2,920 3,900 2,010 599 372 372 415 473
2 511 487 608 1,380 2,980 3,850 1,950 582 371 375 414 490
3 477 482 622 1,430 3,060 3,870 1,860 566 367 377 414 503
4 450 494 626 1,460 3,160 3,900 1,800 552 365 380 423 475
5 445 489 631 1,540 3,250 3,950 1,710 535 363 378 424 458
6 447 482 647 1,630 3,360 3,900 1,650 523 364 375 418 450
7 442 497 659 1,690 3,490 3,890 1,590 510 366 376 424 441
8 444 502 680 1,760 3,520 3,860 1,530 499 368 378 432 432
9 441 515 692 1,840 3,540 3,780 1,460 489 372 378 440 422
10 440 542 742 1,850 3,540 3,630 1,390 481 368 381 448 427
11 436 519 789 1,870 3,540 3,530 1,320 476 366 387 435 461
12 424 514 797 1,930 3,560 3,490 1,250 466 368 392 443 481
13 432 512 811 2,010 3,630 3,490 1,190 461 364 387 442 483
14 448 515 832 2,130 3,760 3,390 1,140 454 364 384 438 474
15 454 514 844 2,170 3,940 3,310 1,090 446 367 387 435 485
16 466 522 902 2,180 4,000 3,290 1,030 442 365 390 437 469
17 488 535 934 2,270 4,070 3,200 991 432 365 390 441 442
18 476 534 945 2,360 4,080 3,130 945 430 366 382 449 424
19 468 549 980 2,440 4,140 3,070 902 427 368 385 460 426
20 460 556 1,020 2,530 4,110 2,990 867 424 371 389 467 446
21 476 570 1,040 2,620 4,090 2,920 832 418 370 384 475 451
22 478 579 1,070 2,670 4,020 2,850 799 411 363 389 460 532
23 474 579 1,130 2,760 4,030 2,760 778 414 360 401 455 648
24 475 582 1,140 2,820 4,050 2,660 754 407 359 405 472 539
25 463 581 1,140 2,780 4,080 2,560 730 399 359 410 488 478
26 454 580 1,160 2,780 4,110 2,500 705 393 361 408 469 464
27 454 583 1,190 2,830 4,080 2,400 682 388 362 406 455 469
28 445 597 1,200 2,880 4,070 2,300 660 382 359 406 443 480
29 437 653 1,220 2,850 4,080 2,220 642 378 362 411 430 487
30 446   1,250 2,860 4,030 2,130 631 376 370 410 447 475
31 458   1,300   3,970   615 374   415   472