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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 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 -> 2019-09-30)

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 1,530 1,750 2,090 2,280 1,950 1,840 1,040 421 460 594 902 919
2 1,360 1,810 2,150 2,180 1,890 1,880 977 431 460 615 922 950
3 1,730 1,810 2,150 2,130 1,880 1,920 916 458 471 646 927 972
4 2,110 1,880 2,110 2,090 1,910 1,860 876 446 495 660 920 1,080
5 2,000 1,900 2,100 2,080 2,000 1,810 880 433 503 654 893 1,150
6 2,000 1,910 2,170 2,090 2,030 1,710 879 426 497 656 767 1,190
7 1,910 1,910 2,130 2,020 2,030 1,630 896 428 504 688 734 1,250
8 1,870 1,900 2,050 2,020 2,030 1,570 868 418 506 700 734 1,380
9 1,790 1,940 2,100 2,020 2,020 1,510 801 406 510 684 726 1,670
10 1,740 1,970 2,130 2,020 2,030 1,520 799 396 509 695 725 1,370
11 1,690 1,950 2,250 2,040 2,010 1,580 806 386 513 718 733 1,330
12 1,630 1,950 2,180 2,060 2,030 1,650 757 394 511 732 725 1,280
13 1,590 1,930 2,030 2,020 1,950 1,640 718 398 508 731 735 1,250
14 1,570 1,980 1,990 2,040 1,910 1,630 678 390 536 741 745 1,240
15 1,630 1,980 1,920 2,070 1,870 1,590 648 386 547 769 748 1,220
16 1,710 2,050 2,050 2,070 1,860 1,550 662 380 530 835 751 1,240
17 1,700 2,070 2,090 2,010 1,830 1,510 665 385 529 819 759 1,240
18 1,760 2,050 2,060 1,990 1,880 1,470 635 398 529 789 762 1,280
19 1,720 2,140 2,080 1,990 1,930 1,480 601 409 547 785 774 1,290
20 1,720 2,190 2,150 1,980 1,920 1,530 564 416 555 788 842 1,280
21 1,700 2,200 2,120 1,990 1,890 1,570 514 418 550 791 905 1,320
22 1,730 2,270 2,020 1,980 1,930 1,590 500 418 553 793 1,020 1,350
23 1,780 2,240 1,980 2,000 1,980 1,510 484 416 556 798 968 1,410
24 1,810 2,230 1,890 2,000 1,990 1,490 477 415 558 827 907 1,550
25 1,880 2,260 1,920 1,990 1,970 1,380 469 434 560 851 914 1,740
26 1,950 2,240 1,980 1,990 2,060 1,330 455 442 569 877 892 1,430
27 2,050 2,140 2,010 2,010 2,110 1,210 450 444 573 874 895 1,570
28 1,940 2,110 1,960 1,980 2,070 1,140 456 453 576 884 883 1,620
29 1,850 1,900 2,010 2,010 1,990 1,050 456 465 577 868 887 1,520
30 1,790   2,000 2,020 1,900 1,050 447 472 587 890 901 1,570
31 1,750   2,050   1,860   431 465   903   1,570