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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 09429500 COLORADO RIVER BELOW IMPERIAL DAM, AZ-CA


Imperial County, California
Hydrologic Unit Code 15030107
Latitude  32°52'03.3", Longitude 114°28'19.6" NAD83
Drainage area 188,500  square miles
Contributing drainage area 184,500  square miles
Gage datum 130 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 2018-10-01 -> 2022-09-30)

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
1 259 645 327 887 620 353 339 476 720 440 378 542
2 334 910 328 1,190 479 345 338 483 1,040 278 422 539
3 433 677 326 1,150 437 350 333 490 702 522 420 485
4 460 423 329 822 508 339 331 491 676 377 422 411
5 452 491 345 992 683 346 333 517 648 342 423 397
6 454 504 339 815 398 314 352 528 612 283 419 403
7 484 559 323 1,120 363 311 356 540 564 293 420 590
8 376 556 328 1,040 351 310 375 639 558 459 413 701
9 334 543 330 757 356 301 319 676 562 377 392 767
10 344 477 472 761 355 305 320 576 501 292 413 636
11 374 486 839 768 345 338 347 552 463 291 404 774
12 402 629 891 781 343 341 347 833 586 285 406 728
13 401 600 730 783 344 347 347 977 397 261 405 588
14 404 654 409 768 380 346 388 478 376 268 424 414
15 411 732 712 766 380 359 372 449 409 340 449 419
16 417 577 801 673 410 586 354 496 396 340 473 422
17 419 544 698 728 557 365 423 517 447 270 615 470
18 419 445 659 754 367 618 386 666 433 275 646 619
19 424 330 589 872 369 480 415 676 484 285 507 608
20 511 294 579 957 425 638 339 568 505 364 963 379
21 1,110 295 569 916 412 328 679 518 543 396 1,680 312
22 866 296 636 896 406 333 465 530 527 417 1,330 259
23 522 294 662 866 400 347 358 590 531 392 978 262
24 628 292 671 1,080 375 342 348 864 529 381 627 261
25 589 298 684 921 361 321 346 824 501 360 545 259
26 582 295 586 861 357 351 340 656 723 303 565 263
27 733 326 354 765 354 488 365 664 1,140 324 566 264
28 788 333 435 750 383 383 340 456 1,480 329 712 260
29 639 375 647 828 360 345 339 491 1,230 309 865 258
30 553   654 949 363 340 429 536 522 295 602 259
31 597   751   358   497 574   315   254