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USGS Daily Statistics for the Nation

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 06764880 South Platte River at Roscoe, Nebr.


Keith County, Nebraska
Hydrologic Unit Code 10190018
Latitude  41°07'34", Longitude 101°34'36" NAD83
Drainage area 23,900  square miles
Gage datum 3,150 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 1982-10-01 -> 2025-09-30)

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
1 506 789 633 449 827 1,700 1,280 268 252 466 311 335
2 514 761 624 457 854 1,670 1,210 378 232 457 315 336
3 528 731 616 477 913 1,650 1,140 282 215 447 319 342
4 538 716 598 489 995 1,720 1,090 288 210 431 317 342
5 575 705 575 504 1,010 1,880 999 292 205 420 314 339
6 596 694 560 510 1,050 1,930 992 289 205 409 312 343
7 619 689 555 511 1,130 1,870 842 268 215 403 315 348
8 627 687 549 510 1,120 1,890 753 251 213 408 321 359
9 634 688 542 522 1,100 2,020 691 279 214 443 323 369
10 641 693 537 529 1,110 2,150 625 336 217 443 315 375
11 652 681 537 523 1,060 2,380 562 332 221 428 314 388
12 671 681 536 519 1,020 2,490 523 308 234 413 313 409
13 690 692 547 518 1,040 2,530 523 282 245 399 310 429
14 700 694 543 513 1,040 2,560 525 264 251 384 310 444
15 691 703 530 502 1,030 2,610 560 263 263 372 318 453
16 672 720 514 500 1,090 2,570 533 235 280 365 325 452
17 657 731 494 497 1,100 2,480 479 200 299 350 330 444
18 653 748 480 497 1,080 2,510 478 188 325 338 331 438
19 649 755 475 487 1,060 2,510 480 158 580 334 323 444
20 644 756 471 490 1,060 2,450 470 145 815 325 314 454
21 652 751 472 498 1,080 2,370 457 133 831 322 317 463
22 669 739 470 503 1,120 2,330 443 124 772 324 321 462
23 673 727 457 524 1,220 2,290 394 117 723 320 322 466
24 685 732 449 539 1,360 2,230 377 110 684 311 322 470
25 691 729 445 546 1,430 2,060 382 113 659 304 327 471
26 711 705 440 562 1,490 1,950 346 145 646 295 327 471
27 733 671 433 592 1,500 1,900 331 165 587 290 330 470
28 752 650 428 645 1,510 1,810 324 180 551 289 333 471
29 765 776 431 710 1,570 1,600 283 194 527 297 335 471
30 783   442 775 1,660 1,420 246 202 501 299 331 483
31 798   447   1,690   240 225   307   492