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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 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
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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
1 802 1,400 1,970 1,950 1,920 1,370 665 327 394 461 578 401
2 1,190 1,380 1,970 1,990 1,910 1,320 637 361 418 555 574 450
3 1,930 1,370 2,000 2,010 1,940 1,280 596 348 441 495 560 539
4 1,690 1,420 2,010 1,980 1,980 1,280 544 340 432 471 515 602
5 1,640 1,480 1,980 1,950 1,990 1,250 544 340 408 477 288 645
6 1,570 1,460 1,960 1,920 2,000 1,200 569 324 423 518 283 673
7 1,520 1,390 1,980 1,890 2,020 1,150 593 322 426 519 284 625
8 1,430 1,430 1,990 1,880 2,020 1,130 612 315 434 488 283 650
9 1,380 1,480 1,980 1,900 2,000 1,140 626 318 420 499 285 611
10 1,190 1,500 1,960 1,880 1,940 1,200 661 310 426 511 284 633
11 1,070 1,560 1,970 1,920 1,940 1,220 637 334 415 498 282 634
12 1,040 1,560 1,900 1,980 1,920 1,200 624 342 403 499 284 661
13 1,130 1,560 1,850 2,040 1,940 1,210 595 331 449 497 288 661
14 1,180 1,530 1,820 2,060 1,930 1,170 577 323 455 477 289 632
15 1,210 1,600 1,930 2,130 1,890 1,110 536 330 436 588 288 692
16 1,290 1,650 1,940 2,200 1,810 1,060 520 349 412 621 286 670
17 1,310 1,660 1,970 2,190 1,840 1,000 510 369 407 585 284 742
18 1,290 1,730 1,960 2,160 1,880 942 484 373 430 577 282 739
19 1,260 1,790 2,070 2,100 1,870 912 445 374 421 583 286 736
20 1,250 1,920 1,960 2,030 1,830 909 392 366 420 569 285 827
21 1,240 1,970 1,850 1,980 1,790 920 386 363 409 530 285 792
22 1,290 2,020 1,820 2,010 1,760 942 387 363 423 533 282 868
23 1,300 2,040 1,820 2,030 1,720 950 381 363 407 575 280 802
24 1,350 2,050 1,880 2,000 1,650 930 371 382 402 574 284 815
25 1,320 2,070 1,950 2,000 1,590 919 348 388 419 594 282 673
26 1,250 2,070 2,010 2,000 1,560 887 319 393 398 576 287 843
27 1,300 2,010 2,000 2,000 1,540 783 305 408 379 574 286 902
28 1,310 1,990 2,010 1,960 1,500 729 314 425 368 522 288 924
29 1,350 2,050 2,030 1,960 1,470 720 301 425 399 541 298 997
30 1,390   2,040 1,970 1,460 737 310 413 398 566 341 981
31 1,390   2,030   1,450   318 394   560   958