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USGS Daily Statistics for California

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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
1 374 541 317 724 588 431 363 476 720 440 378 521
2 435 744 316 953 473 336 354 483 1,040 278 422 511
3 462 563 311 931 415 312 349 490 702 522 420 465
4 449 375 311 687 449 310 344 491 676 377 422 421
5 460 429 322 815 582 327 344 517 648 342 423 412
6 458 444 318 682 367 336 355 528 612 283 419 417
7 443 493 307 909 342 336 350 540 564 293 420 556
8 351 492 310 853 345 303 362 639 558 459 413 641
9 327 482 311 636 356 284 322 676 562 377 392 705
10 338 433 419 637 362 325 326 576 501 292 413 613
11 366 442 693 641 362 359 345 552 463 291 404 716
12 396 548 731 654 357 360 344 833 586 285 406 916
13 409 525 609 657 364 376 354 977 397 261 405 546
14 422 567 371 646 388 382 385 478 376 268 424 356
15 425 624 599 644 388 349 372 449 409 340 449 358
16 428 513 664 574 415 562 378 496 396 340 473 365
17 428 491 585 621 521 394 399 517 447 270 499 458
18 427 421 558 637 377 584 374 666 433 275 539 587
19 409 335 544 720 382 476 395 676 484 285 448 577
20 473 485 764 782 423 592 450 568 505 364 737 346
21 920 308 501 751 409 365 687 518 543 396 1,220 286
22 738 297 534 734 544 377 398 530 527 417 982 253
23 481 297 554 715 363 383 319 590 531 392 758 259
24 562 297 562 878 551 368 314 864 529 381 563 257
25 528 300 574 758 397 347 335 824 501 360 538 254
26 517 296 501 711 389 370 350 656 723 303 546 257
27 624 316 329 636 389 469 376 664 1,140 324 521 272
28 657 323 393 623 367 392 349 456 1,480 329 621 276
29 545 375 552 690 444 363 350 491 1,230 309 758 259
30 480   559 840 392 361 417 536 522 295 562 272
31 506   657   449   491 574   315   471