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USGS Daily Statistics for the Nation

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 -> 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
1 393 579 555 623 424 379 486 878 589 254 115 158
2 309 450 632 607 427 381 485 1,000 589 657 110 164
3 268 424 648 598 421 389 505 896 577 345 107 189
4 270 427 603 584 414 394 500 864 558 274 102 186
5 316 421 587 572 414 397 520 835 509 276 102 264
6 357 369 623 582 412 402 541 819 481 303 100 257
7 344 424 604 614 406 404 534 867 467 279 106 251
8 365 420 584 605 409 409 551 916 494 266 104 245
9 514 365 632 596 408 412 536 866 482 246 101 231
10 294 417 661 573 406 415 511 930 452 259 105 277
11 390 466 755 548 403 420 525 792 489 295 107 278
12 395 541 899 530 404 424 519 743 504 218 121 248
13 324 485 684 520 405 423 540 751 479 209 155 245
14 511 458 714 520 403 424 562 822 446 242 131 251
15 468 530 705 518 398 424 619 849 431 508 114 258
16 486 572 638 516 396 430 654 763 352 329 110 259
17 581 435 649 506 393 434 653 749 330 259 114 265
18 705 408 667 500 383 438 643 695 349 225 118 332
19 1,120 409 658 491 385 441 643 740 382 228 137 600
20 1,590 515 636 489 383 446 649 783 333 241 116 883
21 946 594 615 483 378 450 680 776 328 185 109 734
22 880 560 641 482 376 448 646 800 293 186 118 568
23 702 598 701 474 375 456 727 699 288 170 116 830
24 639 567 695 459 372 456 728 680 321 171 128 770
25 452 577 660 440 371 461 782 666 270 175 177 529
26 445 541 626 432 372 474 905 647 300 152 150 451
27 472 527 620 426 373 470 847 638 299 126 139 426
28 529 516 609 422 376 468 835 627 572 119 146 445
29 697 510 633 422 374 472 839 643 305 126 147 495
30 832   662 419 373 484 966 642 240 167 152 465
31 801   642   374   891 656   138   551