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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 -> 2020-09-30)

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
1 178 489 390 505 390 380 467 578 464 164 81 120
2 163 371 399 498 390 387 475 598 479 159 83 127
3 161 340 391 480 384 394 484 594 503 155 81 143
4 158 315 400 474 384 397 484 521 514 190 81 153
5 154 295 403 480 388 401 490 488 445 229 81 218
6 155 279 411 490 389 403 503 496 446 243 83 216
7 159 264 420 512 392 410 487 507 416 227 82 207
8 154 249 455 493 395 415 490 507 511 249 85 194
9 161 271 469 500 393 418 494 530 426 243 99 192
10 239 304 477 475 390 426 502 529 395 237 94 189
11 233 337 484 465 391 433 517 527 368 191 109 189
12 212 319 488 466 395 434 496 511 366 194 137 184
13 290 299 477 457 394 431 498 532 348 187 128 184
14 288 299 475 460 397 434 499 514 322 266 108 205
15 280 330 478 465 395 441 538 508 297 456 98 192
16 294 303 481 465 394 447 521 552 282 275 92 190
17 386 313 492 459 388 446 524 535 276 218 94 188
18 493 300 490 455 389 449 515 502 272 177 91 186
19 743 305 483 454 387 452 613 500 264 157 88 293
20 1,310 342 482 452 387 454 549 505 248 147 104 492
21 996 474 485 447 386 453 501 522 242 147 84 458
22 711 460 493 449 385 454 540 560 240 144 89 407
23 450 469 507 434 382 460 514 560 235 134 110 450
24 370 456 508 408 379 458 485 521 219 126 121 443
25 318 439 516 400 378 462 479 509 208 114 119 383
26 302 428 509 397 379 466 514 502 206 100 115 331
27 336 411 510 392 381 465 539 468 214 91 149 295
28 359 405 508 390 379 464 555 490 198 86 100 352
29 534 483 523 388 376 471 546 486 195 83 109 331
30 626   529 391 377 472 575 490 172 81 109 259
31 636   519   377   551 464   82   189