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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.


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 09469500 GILA RIVER BELOW COOLIDGE DAM, AZ.


Pinal County, Arizona
Hydrologic Unit Code 15050100
Latitude  33°10'10", Longitude 110°31'50" NAD27
Drainage area 12,886  square miles
Gage datum 2,309.33 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 1898-10-01 -> 2021-09-30)

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
1 174 481 386 503 391 381 469 579 465 165 80 119
2 160 364 395 496 391 388 477 599 479 159 81 126
3 158 334 387 479 385 395 485 594 503 155 80 143
4 155 310 398 473 385 398 486 522 514 190 80 152
5 151 291 401 478 388 402 492 489 445 228 80 216
6 153 275 409 489 390 405 505 497 447 242 81 214
7 156 260 418 510 393 411 489 508 416 226 80 205
8 152 245 452 491 396 416 491 508 510 247 84 192
9 158 268 466 498 394 419 495 530 426 242 98 191
10 234 301 473 474 391 427 504 529 395 236 93 187
11 228 333 480 464 392 434 517 527 368 190 107 186
12 208 315 484 465 395 436 497 512 366 194 135 182
13 285 296 474 456 395 432 499 532 348 187 126 182
14 283 296 471 459 397 436 500 514 322 265 106 202
15 275 326 474 464 396 442 538 508 297 451 96 189
16 289 300 478 464 394 448 522 552 282 274 91 187
17 379 310 488 458 388 447 524 536 276 217 93 185
18 484 297 486 454 390 449 516 503 272 177 89 183
19 730 301 478 453 388 453 613 501 264 158 86 288
20 1,290 339 478 451 388 455 549 506 248 148 103 484
21 978 468 481 446 387 454 502 522 243 147 82 450
22 698 454 489 448 386 455 541 558 240 144 87 399
23 442 463 504 434 383 461 515 559 235 134 108 442
24 363 450 505 408 380 459 486 520 220 125 119 436
25 312 433 513 400 379 463 480 509 209 113 117 376
26 297 423 506 397 380 468 514 503 206 98 113 325
27 330 406 507 392 382 467 540 468 214 89 148 290
28 352 401 505 391 379 466 555 490 199 85 100 345
29 524 470 520 389 377 473 546 486 195 81 109 325
30 615   527 392 378 474 575 490 172 79 109 254
31 625   517   378   551 464   81   186