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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 -> 2019-09-30)

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 20 18 224 402 509 760 605 470 227 44 11
2 16 18 17 270 407 522 741 594 422 220 30 10
3 15 19 14 282 426 511 723 620 412 218 28 9.5
4 13 20 13 294 421 494 739 616 405 216 28 9.0
5 14 18 13 311 419 510 730 621 389 215 27 9.2
6 16 18 15 318 433 512 760 598 382 220 27 9.5
7 18 22 16 336 457 513 763 555 366 220 27 10
8 17 25 22 363 473 501 765 542 337 209 25 9.9
9 15 26 29 372 472 513 769 566 325 202 25 9.4
10 12 20 33 378 481 565 762 578 342 202 23 9.1
11 12 13 28 396 475 594 769 562 323 197 23 9.0
12 13 13 24 397 478 598 784 535 309 199 23 10
13 16 18 25 414 483 606 811 512 311 198 21 12
14 17 18 25 425 484 620 748 502 317 190 21 12
15 17 16 24 431 468 659 740 495 313 189 20 16
16 15 14 24 423 471 646 744 494 306 186 19 22
17 14 16 26 407 486 627 717 471 297 185 18 22
18 14 18 27 400 471 678 704 458 282 187 16 19
19 14 17 37 402 460 697 703 465 270 186 15 15
20 16 18 50 415 459 678 708 448 257 189 14 14
21 18 21 62 436 460 674 693 453 251 186 15 14
22 17 24 62 445 458 705 702 476 262 180 16 17
23 16 23 56 444 453 733 717 492 269 178 14 19
24 15 21 62 444 484 724 689 497 260 179 14 18
25 14 21 71 432 496 700 667 511 252 183 14 17
26 15 20 76 425 499 674 642 497 234 185 14 17
27 17 21 84 428 525 683 634 451 224 184 13 16
28 19 20 98 457 531 697 632 466 226 186 13 13
29 19 17 115 445 502 697 659 483 231 184 13 11
30 17   131 408 510 729 627 482 225 183 12 10
31 18   142   499   617 488   167   14