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USGS Daily Statistics for Arizona

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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona

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 09522500 GILA GRAVITY MAIN CANAL AT IMPERIAL DAM, AZ-CA


Yuma County, Arizona
Hydrologic Unit Code 15030107
Latitude  32°52'16.32", Longitude 114°27'00.29" NAD83
Gage datum 162.16 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 1942-10-01 -> 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
1 218 579 785 1,060 1,270 1,310 1,400 1,310 1,120 1,020 728 350
2 462 584 774 1,060 1,280 1,300 1,380 1,330 1,120 1,020 720 405
3 529 598 784 1,080 1,290 1,300 1,360 1,330 1,130 1,030 736 437
4 528 625 795 1,090 1,280 1,310 1,280 1,300 1,130 1,030 732 503
5 498 621 820 1,100 1,270 1,310 1,350 1,310 1,150 1,020 723 541
6 475 652 831 1,130 1,290 1,320 1,410 1,300 1,160 986 709 577
7 467 674 849 1,130 1,300 1,330 1,380 1,290 1,150 984 734 617
8 468 668 846 1,120 1,300 1,340 1,390 1,300 1,130 962 723 569
9 479 646 850 1,130 1,270 1,320 1,390 1,290 1,140 953 722 554
10 471 640 873 1,140 1,280 1,310 1,390 1,300 1,140 937 722 544
11 466 642 875 1,170 1,310 1,330 1,410 1,270 1,160 939 699 536
12 450 653 888 1,180 1,250 1,310 1,390 1,260 1,180 916 693 558
13 477 677 906 1,180 1,260 1,340 1,380 1,260 1,210 901 715 572
14 461 690 904 1,170 1,260 1,350 1,360 1,260 1,200 889 731 568
15 467 705 932 1,170 1,260 1,360 1,350 1,260 1,210 906 706 550
16 483 710 950 1,210 1,280 1,330 1,320 1,220 1,210 897 698 532
17 472 702 953 1,220 1,290 1,300 1,310 1,200 1,210 889 719 537
18 490 693 969 1,220 1,290 1,330 1,350 1,200 1,200 872 703 553
19 489 693 998 1,240 1,300 1,340 1,350 1,200 1,210 843 734 562
20 469 703 1,010 1,240 1,280 1,370 1,340 1,190 1,200 822 757 559
21 480 714 1,030 1,230 1,270 1,400 1,330 1,170 1,190 783 731 564
22 485 701 1,020 1,230 1,260 1,400 1,330 1,170 1,170 772 656 509
23 484 724 1,030 1,240 1,290 1,390 1,330 1,160 1,140 740 636 433
24 487 753 1,020 1,250 1,270 1,360 1,330 1,160 1,110 747 602 204
25 483 772 1,020 1,280 1,250 1,380 1,320 1,130 1,090 720 535 123
26 476 773 1,050 1,280 1,230 1,380 1,300 1,150 1,080 707 467 399
27 505 808 1,050 1,280 1,250 1,390 1,300 1,130 1,090 714 400 519
28 525 796 1,060 1,260 1,260 1,420 1,280 1,140 1,080 704 379 563
29 529 831 1,060 1,240 1,250 1,430 1,280 1,160 1,050 714 379 548
30 545   1,070 1,260 1,250 1,420 1,280 1,160 1,040 751 350 516
31 561   1,050   1,280   1,280 1,150   745   351