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USGS Surface-Water 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 -> 2024-09-30)

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
1 513 774 639 446 842 1,740 1,310 274 257 476 311 335
2 521 746 630 456 863 1,710 1,230 388 236 457 315 336
3 536 723 621 477 906 1,680 1,170 289 220 447 319 342
4 545 712 603 489 988 1,760 1,120 295 214 431 317 342
5 580 703 580 505 1,010 1,920 1,020 299 209 420 314 339
6 599 691 565 513 1,050 1,970 1,020 296 210 409 312 343
7 623 686 562 514 1,140 1,910 862 274 220 403 315 348
8 629 682 556 514 1,130 1,940 771 258 218 408 321 359
9 636 682 550 528 1,110 2,060 707 286 219 443 323 369
10 644 689 545 535 1,120 2,200 640 344 222 443 315 375
11 656 678 545 530 1,070 2,440 575 340 227 428 314 388
12 677 678 545 525 1,030 2,550 535 316 240 413 313 409
13 700 690 557 525 1,050 2,590 536 289 251 399 310 429
14 712 693 552 520 1,050 2,620 538 271 257 384 310 444
15 702 703 540 509 1,050 2,670 573 270 269 372 318 453
16 684 721 523 508 1,110 2,630 546 240 287 365 325 452
17 669 733 503 505 1,130 2,540 491 203 306 350 330 444
18 663 752 489 505 1,110 2,570 490 189 333 338 331 438
19 660 759 483 496 1,090 2,560 492 159 594 334 323 451
20 653 761 480 499 1,080 2,500 481 147 835 325 314 461
21 656 757 475 507 1,100 2,420 469 135 851 322 317 470
22 667 744 471 512 1,140 2,380 453 126 791 324 321 469
23 665 733 459 533 1,250 2,340 403 118 740 320 322 472
24 672 738 451 549 1,390 2,280 386 111 699 311 322 476
25 675 735 446 556 1,460 2,110 391 114 674 304 327 478
26 694 711 441 572 1,530 2,000 354 147 661 295 327 477
27 715 677 435 602 1,530 1,950 339 168 600 290 330 476
28 733 655 430 656 1,540 1,850 332 182 564 289 333 477
29 746 814 433 722 1,600 1,640 290 197 538 297 335 477
30 765   444 789 1,690 1,450 252 205 512 299 331 489
31 780   446   1,730   246 229   307   498