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USGS Daily Statistics for Colorado

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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 07130500 ARKANSAS RIVER BELOW JOHN MARTIN RESERVOIR, CO.


Bent County, Colorado
Hydrologic Unit Code 11020009
Latitude  38°03'59", Longitude 102°55'55" NAD27
Drainage area 18,494  square miles
Contributing drainage area 17,709  square miles
Gage datum 3,737.40 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 1948-10-01 -> 2021-09-30)

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 16 19 18 218 406 509 771 609 469 226 43 11
2 16 18 16 263 411 522 753 596 421 219 30 10
3 15 19 14 275 429 511 733 620 411 217 28 9.2
4 13 19 13 286 424 494 748 617 404 215 27 8.8
5 14 17 13 303 422 509 739 621 388 214 27 8.9
6 16 17 15 312 435 513 769 599 381 218 27 9.3
7 17 21 16 329 460 514 774 557 366 219 26 9.7
8 17 24 21 355 474 507 775 545 337 208 24 9.7
9 15 25 28 364 473 522 776 567 326 201 25 9.2
10 12 19 32 370 481 572 768 580 341 200 23 8.9
11 12 13 27 388 474 601 774 564 321 195 23 8.8
12 12 12 24 388 478 604 788 537 307 196 22 10
13 15 17 25 406 483 612 815 515 309 194 21 11
14 16 18 25 417 484 626 754 503 314 186 20 11
15 16 15 23 424 468 662 745 495 310 184 19 15
16 15 14 24 416 472 649 750 494 303 181 19 22
17 14 15 25 400 487 631 725 471 295 181 18 22
18 14 17 26 393 472 681 714 459 281 184 16 18
19 14 17 36 397 462 703 715 466 269 182 15 14
20 15 18 48 412 460 688 718 448 256 185 14 14
21 18 21 60 433 461 684 699 453 250 183 15 14
22 17 24 61 445 459 716 703 476 261 176 15 16
23 15 22 54 445 453 743 718 491 268 174 14 18
24 14 21 60 445 484 735 690 495 259 175 13 17
25 14 21 69 434 496 711 666 509 251 178 14 17
26 15 20 74 427 498 685 641 496 234 180 14 17
27 16 21 82 429 524 693 633 450 224 180 13 15
28 19 19 95 458 530 707 632 464 226 182 12 12
29 19 16 112 447 502 709 660 480 230 180 12 11
30 17   127 411 510 739 628 479 224 180 12 10
31 17   138   499   620 486   165   14