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USGS Daily Statistics for the Nation

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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 133.24 feet above NAVD88
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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 -> 2026-09-30)

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
1 806 452 355 758 488 407 376 408 606 314 320 420
2 559 588 351 996 439 354 369 412 1,020 251 331 406
3 613 465 358 861 404 340 364 396 1,100 357 389 375
4 514 358 365 729 501 357 352 403 829 296 351 384
5 444 388 393 751 491 343 341 420 589 289 340 364
6 424 442 410 646 361 342 341 434 468 273 370 364
7 538 436 391 716 365 332 359 436 450 278 351 426
8 507 441 411 668 345 316 372 467 508 340 346 469
9 495 429 389 548 350 299 343 486 511 297 333 508
10 557 409 434 567 353 327 372 443 619 260 356 504
11 496 442 634 552 352 365 374 434 527 259 363 522
12 486 491 654 555 350 346 373 551 435 254 361 634
13 376 449 628 551 356 366 377 603 360 244 346 458
14 364 474 450 543 371 373 389 396 347 247 345 361
15 360 503 612 550 373 443 368 345 358 275 369 345
16 385 435 752 526 388 714 388 377 359 399 369 347
17 403 423 795 560 447 445 422 412 353 475 378 389
18 389 382 666 559 365 506 379 495 336 438 398 480
19 365 334 758 590 367 434 405 597 345 374 427 476
20 415 421 921 739 391 508 436 519 535 288 559 335
21 673 365 662 609 384 377 567 424 665 304 886 314
22 564 416 683 593 463 403 416 392 470 313 854 359
23 631 399 553 583 359 405 357 405 381 306 627 371
24 754 403 556 673 467 397 359 538 352 311 520 329
25 689 378 558 602 381 381 358 529 338 300 499 312
26 620 357 592 573 384 395 349 734 430 273 518 296
27 627 355 499 517 382 454 367 853 596 280 521 302
28 628 339 512 509 365 407 364 622 747 286 455 303
29 503 413 570 550 409 379 358 433 640 285 619 290
30 530   494 636 376 375 377 421 344 287 504 369
31 489   653   414   417 456   296   587