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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 11303000 STANISLAUS R A RIPON CA


Stanislaus County, California
Hydrologic Unit Code 18040010
Latitude  37°43'47", Longitude 121°06'34" NAD27
Drainage area 1,075  square miles
Gage datum 2.83 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 1940-10-01 -> 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
1 967 1,110 1,180 1,240 1,750 1,860 758 454 380 384 463 500
2 968 1,110 1,230 1,280 1,720 1,780 719 451 368 382 439 533
3 931 1,130 1,240 1,300 1,730 1,800 707 447 362 382 419 543
4 883 1,150 1,230 1,350 1,750 1,760 695 438 359 386 409 691
5 857 1,130 1,200 1,360 1,780 1,700 679 435 359 387 402 823
6 892 1,120 1,220 1,330 1,800 1,680 669 443 358 395 395 718
7 927 1,090 1,250 1,320 1,820 1,650 658 442 351 404 393 724
8 962 1,100 1,240 1,340 1,890 1,630 628 448 351 407 386 902
9 933 1,120 1,230 1,340 1,900 1,600 619 447 348 410 383 1,000
10 939 1,140 1,250 1,320 1,910 1,550 611 439 336 411 373 805
11 956 1,140 1,390 1,320 1,920 1,490 596 431 332 420 378 737
12 961 1,140 1,340 1,380 1,890 1,420 583 427 338 433 361 707
13 953 1,130 1,330 1,400 1,880 1,310 566 429 345 447 355 680
14 931 1,130 1,290 1,370 1,860 1,240 550 435 359 460 358 641
15 990 1,120 1,260 1,390 1,830 1,250 535 435 363 495 358 636
16 1,050 1,140 1,270 1,430 1,830 1,260 535 435 365 514 354 648
17 1,130 1,140 1,290 1,430 1,810 1,220 536 429 368 531 362 645
18 1,190 1,130 1,320 1,450 1,840 1,200 540 423 371 541 380 636
19 1,130 1,160 1,340 1,480 1,890 1,180 529 419 377 543 407 636
20 1,100 1,190 1,350 1,530 1,940 1,150 516 415 378 559 512 643
21 1,110 1,190 1,340 1,570 1,950 1,110 498 414 373 552 786 650
22 1,340 1,200 1,310 1,610 1,950 1,070 484 415 373 544 815 653
23 1,300 1,180 1,310 1,610 1,990 1,030 481 416 368 536 605 708
24 1,240 1,180 1,320 1,610 2,030 1,000 478 417 369 548 525 1,270
25 1,240 1,180 1,300 1,610 2,070 983 475 416 376 573 505 1,210
26 1,280 1,180 1,300 1,620 2,030 965 472 412 380 568 494 867
27 1,310 1,160 1,290 1,660 2,010 910 468 406 383 551 489 1,010
28 1,310 1,160 1,270 1,750 1,990 882 463 401 387 536 488 1,010
29 1,230 910 1,280 1,840 1,980 850 453 400 387 523 493 978
30 1,160   1,250 1,840 1,920 806 451 394 386 505 498 961
31 1,120   1,240   1,860   453 385   473   976