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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 -> 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 1,500 1,720 2,090 2,270 1,930 1,850 1,020 413 466 579 897 904
2 1,330 1,780 2,150 2,180 1,890 1,900 957 422 464 600 911 936
3 1,690 1,770 2,160 2,130 1,880 1,930 896 449 472 630 912 957
4 2,070 1,850 2,120 2,080 1,900 1,880 857 436 492 644 905 1,070
5 1,960 1,860 2,110 2,070 1,990 1,830 860 423 498 644 878 1,140
6 1,960 1,870 2,180 2,080 2,020 1,730 859 417 491 646 755 1,170
7 1,870 1,870 2,140 2,010 2,010 1,660 875 421 497 677 722 1,230
8 1,830 1,860 2,060 2,010 2,020 1,590 847 416 498 689 723 1,360
9 1,750 1,900 2,110 2,010 2,010 1,540 782 404 500 675 715 1,640
10 1,700 1,930 2,140 2,010 2,020 1,540 780 395 498 688 714 1,350
11 1,650 1,910 2,250 2,020 2,010 1,600 787 385 501 714 722 1,310
12 1,600 1,910 2,190 2,050 2,020 1,670 741 393 500 725 714 1,250
13 1,560 1,890 2,050 2,010 1,940 1,650 703 397 497 721 724 1,230
14 1,530 1,930 2,010 2,030 1,900 1,650 664 390 523 730 733 1,210
15 1,600 1,930 1,940 2,070 1,880 1,600 634 385 534 758 735 1,190
16 1,670 2,010 2,070 2,080 1,880 1,560 648 386 517 823 739 1,220
17 1,660 2,030 2,100 2,010 1,850 1,520 650 400 516 816 746 1,220
18 1,720 2,010 2,080 1,990 1,900 1,470 621 415 516 791 750 1,260
19 1,680 2,100 2,100 1,990 1,950 1,480 589 426 534 780 762 1,270
20 1,690 2,150 2,160 1,990 1,930 1,520 553 432 541 778 827 1,250
21 1,670 2,160 2,130 1,990 1,910 1,560 505 434 537 779 889 1,290
22 1,690 2,220 2,040 1,970 1,950 1,570 491 435 539 781 1,000 1,320
23 1,750 2,200 2,000 1,990 1,990 1,500 476 433 542 788 950 1,390
24 1,780 2,180 1,920 1,980 1,990 1,480 468 432 543 826 891 1,520
25 1,840 2,220 1,940 1,970 1,970 1,370 461 449 546 847 897 1,710
26 1,910 2,200 2,000 1,980 2,050 1,320 446 457 554 866 876 1,410
27 2,010 2,140 2,020 2,000 2,100 1,200 441 460 558 861 879 1,540
28 1,900 2,110 1,970 1,970 2,060 1,120 447 468 561 870 868 1,590
29 1,810 1,820 2,010 2,000 1,980 1,030 447 479 563 854 873 1,490
30 1,760   2,000 2,000 1,900 1,030 438 483 571 878 885 1,540
31 1,720   2,050   1,870   423 473   898   1,540