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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.

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Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
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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 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 -> 2026-09-30)

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
1 218 575 784 1,060 1,270 1,300 1,400 1,310 1,120 1,020 726 349
2 467 579 770 1,060 1,280 1,300 1,380 1,320 1,120 1,020 718 407
3 534 600 788 1,080 1,280 1,300 1,360 1,320 1,130 1,030 740 439
4 528 628 800 1,090 1,260 1,300 1,280 1,300 1,130 1,030 736 505
5 495 625 825 1,100 1,270 1,310 1,340 1,310 1,140 1,020 725 542
6 482 653 833 1,120 1,290 1,320 1,390 1,300 1,150 989 713 578
7 475 674 850 1,130 1,300 1,320 1,380 1,300 1,140 988 733 615
8 473 666 844 1,130 1,300 1,330 1,390 1,300 1,130 968 720 565
9 484 643 846 1,140 1,270 1,320 1,390 1,280 1,130 955 719 559
10 478 644 876 1,150 1,270 1,320 1,390 1,290 1,140 936 721 549
11 468 645 878 1,170 1,290 1,330 1,410 1,270 1,160 933 706 539
12 448 655 890 1,180 1,260 1,310 1,380 1,260 1,180 909 702 558
13 483 679 903 1,180 1,260 1,330 1,370 1,260 1,200 900 721 572
14 465 690 900 1,170 1,260 1,350 1,360 1,260 1,190 891 735 568
15 471 703 926 1,170 1,270 1,350 1,340 1,260 1,210 908 707 547
16 489 707 944 1,220 1,280 1,330 1,320 1,220 1,220 898 693 535
17 475 706 955 1,220 1,290 1,310 1,310 1,190 1,210 888 716 540
18 491 698 970 1,220 1,280 1,330 1,350 1,200 1,200 869 709 556
19 485 696 1,000 1,230 1,300 1,340 1,340 1,200 1,210 840 737 562
20 474 705 1,010 1,230 1,290 1,370 1,330 1,190 1,190 822 759 558
21 485 715 1,030 1,240 1,280 1,390 1,330 1,170 1,180 787 732 564
22 487 699 1,020 1,230 1,260 1,390 1,330 1,170 1,170 775 654 506
23 487 720 1,020 1,250 1,290 1,390 1,330 1,150 1,140 742 633 439
24 488 759 1,020 1,260 1,260 1,360 1,330 1,150 1,110 748 599 206
25 484 777 1,020 1,280 1,250 1,380 1,310 1,130 1,090 718 541 122
26 474 777 1,060 1,280 1,220 1,380 1,290 1,140 1,080 703 474 402
27 509 809 1,050 1,270 1,250 1,390 1,290 1,130 1,090 718 406 520
28 527 799 1,060 1,260 1,260 1,410 1,280 1,130 1,070 709 378 564
29 531 831 1,060 1,240 1,250 1,420 1,280 1,150 1,050 717 380 544
30 545   1,060 1,260 1,250 1,420 1,290 1,150 1,040 755 351 518
31 560   1,050   1,270   1,290 1,140   745   351