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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
1 400 593 562 632 424 380 486 888 593 253 116 160
2 298 460 640 613 426 381 485 1,020 592 667 110 166
3 260 434 654 606 420 389 507 907 581 347 108 190
4 273 437 609 591 413 394 501 868 562 274 102 179
5 323 431 594 579 413 397 523 838 512 276 102 255
6 365 377 631 589 411 402 544 822 483 304 101 259
7 352 433 615 621 405 404 537 876 469 279 107 252
8 374 422 593 611 407 409 554 927 497 266 105 246
9 528 369 643 602 406 412 538 873 484 245 102 232
10 301 424 673 578 404 415 513 932 454 259 105 280
11 400 473 770 552 401 420 527 789 491 296 108 281
12 405 551 917 534 402 424 520 748 507 216 122 250
13 332 494 696 524 403 424 542 754 480 207 157 247
14 524 467 727 523 401 424 565 824 447 241 133 253
15 479 541 718 521 396 424 623 857 432 514 115 261
16 479 584 649 518 395 430 659 772 352 327 111 262
17 558 443 659 509 392 435 659 758 329 259 115 267
18 687 415 679 502 383 439 648 701 349 225 120 336
19 1,140 416 670 493 384 442 648 748 382 227 138 611
20 1,620 522 647 491 382 447 654 786 333 241 117 902
21 969 602 625 485 379 453 686 769 327 183 110 749
22 901 568 650 484 377 451 652 795 291 185 120 578
23 718 606 711 476 376 459 735 699 286 169 118 849
24 653 574 707 460 373 459 735 673 320 169 129 787
25 462 584 670 441 371 462 788 662 268 174 180 540
26 455 547 635 434 372 475 915 646 299 152 152 460
27 482 533 629 429 374 472 856 635 298 125 141 433
28 541 522 617 425 376 469 842 632 578 119 148 454
29 714 524 643 423 374 472 843 649 305 126 149 505
30 852   672 419 373 484 976 647 238 168 154 475
31 821   652   375   901 661   139   564