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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 11290000 TUOLUMNE R A MODESTO CA


Stanislaus County, California
Hydrologic Unit Code 18040009
Latitude  37°37'38", Longitude 120°59'00" NAD27
Drainage area 1,884  square miles
Gage datum 60 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 1939-10-01 -> 2021-09-30)

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 1,520 1,740 2,110 2,300 1,950 1,870 1,030 417 471 584 896 913
2 1,350 1,800 2,170 2,200 1,910 1,920 968 426 468 606 915 945
3 1,710 1,790 2,180 2,150 1,900 1,950 906 453 477 636 919 967
4 2,090 1,870 2,140 2,110 1,920 1,900 866 441 498 650 913 1,080
5 1,980 1,880 2,130 2,090 2,010 1,850 870 428 504 644 886 1,150
6 1,980 1,890 2,200 2,100 2,040 1,750 868 421 496 646 762 1,190
7 1,890 1,890 2,160 2,040 2,040 1,680 885 425 502 677 729 1,240
8 1,850 1,880 2,090 2,030 2,040 1,610 857 420 503 689 729 1,370
9 1,770 1,920 2,140 2,030 2,030 1,550 791 408 505 675 721 1,650
10 1,720 1,950 2,170 2,030 2,040 1,560 789 399 503 688 720 1,360
11 1,670 1,930 2,270 2,040 2,030 1,620 796 389 507 714 728 1,320
12 1,620 1,930 2,220 2,070 2,040 1,690 748 397 505 725 720 1,270
13 1,570 1,910 2,070 2,030 1,960 1,670 710 400 502 721 730 1,240
14 1,550 1,960 2,030 2,050 1,930 1,670 671 394 529 730 740 1,230
15 1,620 1,960 1,960 2,080 1,900 1,620 641 389 539 758 742 1,210
16 1,690 2,030 2,090 2,080 1,900 1,570 655 390 523 823 746 1,230
17 1,680 2,050 2,130 2,020 1,870 1,540 658 404 521 816 753 1,230
18 1,740 2,030 2,110 2,010 1,920 1,490 628 419 521 791 756 1,270
19 1,700 2,120 2,120 2,010 1,970 1,500 595 430 540 780 768 1,280
20 1,710 2,170 2,190 2,000 1,960 1,530 559 436 547 778 835 1,270
21 1,680 2,180 2,160 2,000 1,930 1,570 510 439 542 779 897 1,310
22 1,710 2,240 2,060 1,990 1,970 1,580 497 439 544 781 1,010 1,340
23 1,770 2,220 2,020 2,010 2,010 1,520 481 437 547 788 960 1,400
24 1,800 2,200 1,940 2,000 2,010 1,490 474 437 549 826 900 1,530
25 1,860 2,240 1,960 1,990 1,990 1,390 466 454 552 847 906 1,730
26 1,930 2,220 2,020 2,000 2,080 1,330 451 461 560 866 885 1,420
27 2,030 2,170 2,040 2,030 2,120 1,210 446 465 564 861 888 1,560
28 1,920 2,130 1,990 1,990 2,080 1,130 452 473 567 870 876 1,610
29 1,830 1,820 2,030 2,020 2,000 1,050 451 484 568 861 881 1,510
30 1,770   2,020 2,020 1,920 1,040 442 488 577 883 894 1,560
31 1,730   2,080   1,890   427 478   896   1,550