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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 -> 2020-09-30)

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 18 221 404 509 769 613 473 229 44 11
2 16 18 16 266 408 522 751 601 425 222 30 10
3 15 19 14 278 427 510 733 627 415 220 28 9.3
4 13 19 13 290 422 494 749 624 408 218 27 8.9
5 14 18 13 307 420 510 740 628 392 216 27 9
6 16 18 15 314 434 512 770 605 385 221 27 9.4
7 17 21 16 331 458 513 773 562 370 221 26 9.8
8 17 24 22 358 473 501 774 550 341 210 24 9.8
9 15 25 29 366 472 513 778 573 329 203 25 9.3
10 12 20 32 372 480 564 771 586 344 203 23 9
11 12 13 27 390 474 593 778 570 324 197 23 8.9
12 12 13 24 391 477 597 792 543 310 198 22 10
13 15 18 25 408 482 607 819 521 313 197 21 11
14 16 18 25 420 483 621 756 509 317 188 20 11
15 16 16 24 427 468 658 747 501 314 187 19 16
16 15 14 24 419 472 645 751 499 307 184 19 22
17 14 15 25 403 486 626 724 477 298 183 18 22
18 14 17 26 396 471 677 712 464 284 186 16 19
19 14 17 36 399 461 699 712 471 271 185 15 14
20 15 18 49 412 459 685 717 453 259 188 14 14
21 18 21 61 432 460 681 702 458 253 185 15 14
22 17 24 61 445 458 712 710 481 264 179 16 17
23 16 23 55 445 453 739 725 496 271 176 14 19
24 14 21 61 445 484 731 698 501 262 177 14 18
25 14 21 70 434 496 707 674 515 254 181 14 17
26 15 20 75 427 498 682 649 501 236 183 14 17
27 17 21 83 429 525 690 641 455 226 182 13 16
28 19 19 97 458 530 705 639 469 228 184 13 13
29 19 17 114 446 502 707 665 486 233 182 12 11
30 17   129 409 510 737 634 485 227 181 12 10
31 18   140   499   625 491   166   14