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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 -> 2022-09-30)

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
1 400 593 562 628 422 376 482 888 593 253 116 160
2 298 460 640 610 425 378 481 1,020 592 667 110 166
3 260 434 654 603 418 386 502 907 581 347 108 190
4 273 437 609 588 411 390 497 868 562 274 102 179
5 323 431 594 576 412 394 518 838 512 276 102 255
6 365 377 631 586 409 398 544 822 483 304 101 259
7 352 433 611 618 403 401 537 876 469 279 107 252
8 374 422 590 608 405 406 554 927 497 266 105 246
9 528 369 640 599 404 408 538 873 484 245 102 232
10 301 424 669 575 403 411 513 932 454 259 105 280
11 400 473 765 550 400 416 527 789 491 296 108 281
12 405 551 911 531 401 420 520 748 507 216 122 250
13 332 494 692 521 402 420 542 754 480 207 157 247
14 524 467 723 521 400 420 565 824 447 241 133 253
15 479 541 713 518 395 421 623 857 432 514 115 261
16 479 584 644 516 394 426 659 772 352 327 111 262
17 558 443 655 506 391 431 659 758 329 259 115 267
18 687 415 675 499 381 435 648 701 349 225 120 336
19 1,140 416 666 490 382 438 648 748 382 227 138 611
20 1,620 522 643 489 381 443 654 786 333 241 117 902
21 969 602 621 483 376 449 686 769 327 183 110 749
22 901 568 646 482 374 447 652 795 291 185 120 578
23 718 606 707 474 373 455 735 699 286 169 118 849
24 653 574 703 458 369 455 735 673 320 169 129 787
25 462 584 666 439 368 458 788 662 268 174 180 540
26 455 547 631 432 369 470 915 646 299 152 152 460
27 482 533 625 427 370 467 856 635 298 125 141 433
28 541 522 614 423 373 464 842 632 578 119 148 454
29 714 524 639 421 371 468 843 649 305 126 149 505
30 852   668 418 370 480 976 647 238 168 154 475
31 821   647   372   901 661   139   564