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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 11289650 TUOLUMNE R BL LAGRANGE DAM NR LAGRANGE CA


Stanislaus County, California
Hydrologic Unit Code 18040009
Latitude  37°39'59", Longitude 120°26'28" NAD27
Drainage area 1,538  square miles
Gage datum 172.60 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 1970-10-01 -> 2025-09-30)

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
1 794 1,380 1,940 1,920 1,910 1,370 665 327 394 461 575 401
2 1,180 1,360 1,940 1,960 1,910 1,320 637 361 418 555 571 449
3 1,900 1,350 1,970 1,980 1,930 1,280 596 348 441 495 558 536
4 1,660 1,400 1,980 1,950 1,970 1,280 544 340 432 471 513 598
5 1,610 1,460 1,950 1,920 1,980 1,250 544 340 408 477 290 640
6 1,550 1,440 1,930 1,890 1,990 1,200 569 324 423 518 285 667
7 1,490 1,370 1,950 1,860 2,000 1,150 593 322 426 519 286 621
8 1,410 1,420 1,960 1,850 2,000 1,130 612 315 434 488 285 645
9 1,360 1,460 1,950 1,870 1,980 1,140 626 318 420 499 287 607
10 1,180 1,480 1,930 1,850 1,920 1,200 661 310 426 511 285 628
11 1,060 1,530 1,940 1,890 1,920 1,220 637 334 415 498 283 630
12 1,030 1,540 1,880 1,950 1,900 1,200 624 342 403 499 285 655
13 1,110 1,530 1,820 2,010 1,920 1,210 595 331 449 497 290 655
14 1,170 1,510 1,800 2,030 1,910 1,170 577 323 455 477 290 628
15 1,200 1,580 1,900 2,100 1,870 1,110 536 330 436 588 289 686
16 1,280 1,630 1,910 2,160 1,810 1,060 520 349 412 618 288 665
17 1,300 1,630 1,940 2,150 1,840 1,000 510 369 407 582 286 735
18 1,270 1,700 1,930 2,120 1,880 942 484 373 430 580 283 733
19 1,240 1,760 2,040 2,070 1,870 912 445 374 421 593 287 729
20 1,230 1,900 1,930 2,010 1,830 909 392 366 420 573 287 819
21 1,220 1,950 1,820 1,960 1,790 920 386 363 409 529 286 785
22 1,280 1,990 1,790 1,990 1,760 942 387 363 423 530 284 859
23 1,280 2,010 1,800 2,010 1,720 950 381 363 407 572 282 795
24 1,330 2,020 1,850 1,980 1,650 930 371 382 402 577 286 807
25 1,300 2,030 1,920 1,970 1,590 919 348 388 419 603 284 668
26 1,230 2,040 1,980 1,970 1,560 887 319 393 398 580 288 834
27 1,290 1,980 1,970 1,970 1,540 783 305 408 379 573 288 892
28 1,290 1,960 1,980 1,940 1,500 729 314 425 368 520 290 914
29 1,330 2,050 2,000 1,940 1,470 720 301 425 399 538 299 986
30 1,370   2,010 1,950 1,460 737 310 413 398 563 341 969
31 1,370   2,000   1,450   318 394   557   947