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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
1 497 778 625 440 809 1,670 1,250 262 252 466 304 330
2 505 750 616 448 835 1,630 1,180 370 232 447 308 331
3 519 721 607 468 893 1,610 1,120 276 215 437 312 336
4 528 705 589 480 973 1,680 1,070 282 210 422 310 336
5 563 695 566 495 991 1,840 978 286 205 411 307 333
6 583 684 551 502 1,030 1,890 970 283 205 400 305 338
7 606 679 547 502 1,110 1,830 824 262 215 395 308 342
8 613 677 540 501 1,090 1,850 737 246 213 400 314 354
9 620 677 533 513 1,070 1,970 676 273 214 434 316 363
10 628 682 528 519 1,080 2,110 612 329 217 435 309 368
11 638 670 527 514 1,030 2,330 549 325 221 420 308 382
12 658 668 526 510 995 2,430 512 301 234 406 307 402
13 677 678 537 509 1,010 2,470 512 276 245 391 304 422
14 686 681 533 504 1,010 2,500 514 258 251 377 304 436
15 677 689 521 493 1,000 2,550 547 257 263 365 311 445
16 659 706 504 492 1,060 2,520 521 230 280 358 318 444
17 645 717 485 487 1,080 2,430 469 195 299 344 323 436
18 640 733 471 487 1,060 2,460 468 183 325 333 324 430
19 635 739 466 478 1,040 2,450 470 154 580 328 316 436
20 630 740 463 480 1,030 2,390 459 142 815 319 307 446
21 637 737 463 488 1,050 2,320 447 130 831 316 310 454
22 654 726 460 493 1,090 2,280 433 124 772 317 314 454
23 658 717 448 514 1,190 2,240 385 117 723 313 315 457
24 670 726 440 528 1,330 2,180 368 110 684 304 315 462
25 679 729 436 535 1,400 2,020 373 113 659 297 320 463
26 698 708 431 551 1,460 1,910 338 145 646 289 320 463
27 720 668 424 580 1,460 1,860 324 165 587 283 323 462
28 740 643 419 632 1,470 1,770 317 180 551 283 327 463
29 754 776 422 695 1,530 1,560 277 194 527 290 329 463
30 771   434 758 1,620 1,390 241 202 501 293 326 475
31 785   439   1,660   235 225   300   483