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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 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 -> 2023-09-30)

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
1 171 472 382 497 388 376 463 570 459 166 80 121
2 158 358 391 491 388 383 471 589 473 161 81 128
3 155 328 383 474 383 391 479 585 497 157 80 145
4 152 306 392 468 383 393 479 514 507 191 80 154
5 149 288 395 474 386 397 485 482 440 228 79 215
6 150 272 403 484 388 400 497 490 442 241 81 214
7 153 258 412 505 391 406 482 501 413 226 80 206
8 149 244 445 486 393 411 485 500 506 246 83 193
9 155 267 459 491 391 414 489 521 423 241 97 191
10 230 300 466 468 388 421 497 520 393 235 92 187
11 224 332 473 459 390 428 510 518 366 190 107 186
12 205 314 477 460 393 430 488 503 363 194 134 180
13 280 295 467 451 393 427 491 523 345 187 125 180
14 278 295 464 455 395 430 491 506 320 263 105 200
15 270 325 467 459 393 436 529 500 296 446 95 188
16 284 299 470 459 391 442 513 543 281 272 90 187
17 372 308 480 454 385 441 515 527 276 216 92 185
18 476 296 478 449 387 443 507 495 272 177 89 182
19 717 300 471 449 384 447 602 493 265 158 86 286
20 1,260 336 471 446 383 449 540 498 248 148 102 478
21 960 463 474 442 382 448 495 513 242 148 82 445
22 686 450 482 444 381 449 531 549 240 143 87 395
23 434 458 496 430 378 454 507 550 236 132 107 437
24 357 445 498 404 376 453 479 511 220 124 118 431
25 307 429 506 397 374 457 473 500 210 112 117 373
26 292 419 499 394 375 462 507 494 207 97 114 322
27 324 402 500 389 377 461 531 460 215 89 149 288
28 346 397 498 388 375 460 546 483 200 84 103 342
29 515 470 513 386 372 467 538 480 196 81 111 320
30 604   519 389 373 467 567 484 174 79 112 250
31 614   510   373   543 458   81   183