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USGS Surface-Water Daily Statistics for Nebraska

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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 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
1 506 789 633 446 842 1,740 1,310 274 257 476 311 335
2 514 761 624 456 863 1,710 1,230 388 236 457 315 336
3 528 731 616 477 906 1,680 1,170 289 220 447 319 342
4 538 716 598 489 988 1,760 1,120 295 214 431 317 342
5 575 705 575 505 1,010 1,920 1,020 299 209 420 314 339
6 596 694 560 513 1,050 1,970 1,020 296 210 409 312 343
7 619 689 562 514 1,140 1,910 862 274 220 403 315 348
8 627 687 556 514 1,130 1,940 771 258 218 408 321 359
9 634 688 550 528 1,110 2,060 707 286 219 443 323 369
10 641 693 545 535 1,120 2,200 640 344 222 443 315 375
11 652 681 545 530 1,070 2,440 575 340 227 428 314 388
12 671 681 545 525 1,030 2,550 535 316 240 413 313 409
13 690 692 557 525 1,050 2,590 536 289 251 399 310 429
14 700 694 552 520 1,050 2,620 538 271 257 384 310 444
15 691 703 540 509 1,050 2,670 573 270 269 372 318 453
16 672 720 523 508 1,110 2,630 546 240 287 365 325 452
17 657 731 503 505 1,130 2,540 491 203 306 350 330 444
18 653 748 489 505 1,110 2,570 490 189 333 338 331 438
19 649 755 483 496 1,090 2,560 492 159 594 334 323 444
20 644 756 480 499 1,080 2,500 481 147 835 325 314 454
21 652 751 475 507 1,100 2,420 469 135 851 322 317 463
22 669 739 471 512 1,140 2,380 453 126 791 324 321 462
23 673 727 459 533 1,250 2,340 403 118 740 320 322 466
24 685 732 451 549 1,390 2,280 386 111 699 311 322 470
25 691 729 446 556 1,460 2,110 391 114 674 304 327 471
26 711 705 441 572 1,530 2,000 354 147 661 295 327 471
27 733 671 435 602 1,530 1,950 339 168 600 290 330 470
28 752 650 430 656 1,540 1,850 332 182 564 289 333 471
29 765 776 433 722 1,600 1,640 290 197 538 297 335 471
30 783   444 789 1,690 1,450 252 205 512 299 331 483
31 798   446   1,730   246 229   307   492