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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 a esri powered 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 -> 2019-09-30)

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
1 178 489 390 505 394 380 466 579 464 165 81 120
2 163 371 399 498 393 387 475 599 479 159 83 127
3 161 340 391 480 387 395 483 595 503 155 81 143
4 158 315 400 475 387 397 484 521 515 190 81 153
5 154 295 403 481 388 401 490 488 445 229 81 218
6 155 279 411 492 390 404 503 496 446 243 83 216
7 159 264 420 513 392 410 487 507 415 227 82 207
8 154 249 455 494 395 415 489 507 511 249 85 194
9 161 271 469 501 392 418 493 530 426 243 99 192
10 239 304 477 476 389 426 502 528 395 237 94 189
11 233 337 484 466 391 432 516 527 368 191 109 189
12 212 319 488 467 394 434 495 511 366 194 137 184
13 290 299 477 457 397 430 498 531 347 187 128 184
14 288 299 475 461 397 434 498 513 322 266 108 205
15 280 330 478 465 395 440 538 508 296 456 98 192
16 294 303 481 466 393 447 520 552 281 275 92 190
17 386 313 492 460 387 446 523 535 275 218 94 188
18 493 300 490 455 389 448 515 502 271 177 91 186
19 743 305 483 455 387 452 613 500 263 157 88 293
20 1,310 342 482 453 387 454 549 505 247 147 104 492
21 996 474 485 448 385 452 501 522 241 147 84 458
22 711 460 493 450 384 454 540 560 238 144 89 407
23 450 469 507 435 382 459 513 561 235 134 110 450
24 370 456 508 408 379 458 484 520 220 126 121 443
25 318 439 516 400 377 461 478 508 209 114 119 383
26 302 428 509 400 378 466 513 502 207 100 115 331
27 336 411 510 395 380 465 539 467 214 91 149 295
28 359 405 508 394 378 464 554 490 199 86 100 352
29 534 483 523 392 376 471 545 486 196 83 109 331
30 626   529 395 377 471 575 490 172 81 109 259
31 636   519   377   552 464   82   189