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USGS Surface-Water 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 09474000 GILA RIVER AT KELVIN, AZ.


Pinal County, Arizona
Hydrologic Unit Code 15050100
Latitude  33°06'10", Longitude 110°58'33" NAD27
Drainage area 18,011  square miles
Gage datum 1,745.02 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 1910-10-01 -> 2024-09-30)

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
1 396 589 559 625 424 378 484 880 589 253 116 159
2 312 457 637 607 426 380 483 1,010 589 660 110 165
3 270 431 652 601 420 388 504 898 577 345 108 189
4 272 434 607 586 414 393 498 865 558 273 102 186
5 319 428 591 574 414 396 519 837 509 276 102 265
6 360 375 627 584 411 401 541 820 481 303 100 258
7 347 430 608 616 406 403 533 869 466 278 106 251
8 368 419 587 606 408 408 550 919 494 266 104 246
9 519 368 636 598 406 410 535 869 481 246 101 232
10 297 422 666 574 405 414 510 933 452 259 105 278
11 393 472 761 549 402 418 524 794 489 295 108 279
12 399 548 906 531 403 422 518 744 504 217 121 249
13 327 493 689 521 404 422 539 753 478 208 155 246
14 515 465 719 521 402 422 561 825 446 241 132 251
15 472 538 709 519 397 423 619 852 430 509 114 259
16 490 581 642 516 396 428 654 766 351 329 110 260
17 586 442 653 507 392 433 654 751 329 258 115 266
18 717 414 671 500 383 437 643 695 348 225 119 334
19 1,140 415 662 491 384 440 643 741 381 227 138 604
20 1,610 519 640 490 382 445 649 784 332 240 117 890
21 963 599 619 483 378 450 680 777 327 184 110 739
22 895 565 644 482 375 449 646 801 292 185 119 571
23 714 603 705 474 375 457 728 699 286 169 117 836
24 649 572 699 459 371 456 729 680 320 170 129 775
25 460 582 663 440 370 460 784 666 268 175 178 532
26 452 545 628 433 371 473 907 648 299 152 151 454
27 479 531 622 428 373 470 849 639 298 126 140 428
28 537 521 611 424 375 467 837 628 573 120 147 448
29 709 524 636 422 373 470 841 644 304 126 148 498
30 846   665 419 372 482 969 643 239 167 153 468
31 815   644   374   893 657   138   555