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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 06630000 N PLATTE RIV AB SEMINOE RESERVOIR, NR SINCLAIR, WY


Carbon County, Wyoming
Hydrologic Unit Code 10180002
Latitude  41°52'20", Longitude 107°03'25" NAD27
Drainage area 4,184  square miles
Contributing drainage area 4,061  square miles
Gage datum 6,404.44 feet above NAVD88
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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 1938-10-01 -> 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
1 330 330 407 872 1,970 4,600 2,540 735 308 354 447 387
2 331 332 410 919 2,010 4,670 2,410 716 304 366 455 385
3 330 333 413 948 2,040 4,740 2,280 688 295 366 453 384
4 329 333 416 963 2,120 4,770 2,160 660 288 377 450 379
5 329 333 421 987 2,220 4,930 2,050 640 283 382 447 377
6 330 336 430 1,030 2,330 5,040 1,940 625 278 383 442 368
7 330 339 440 1,110 2,440 5,130 1,800 595 271 388 441 364
8 330 339 448 1,160 2,540 5,180 1,690 571 269 393 440 361
9 329 339 460 1,170 2,620 5,250 1,640 545 269 399 446 350
10 329 341 474 1,210 2,690 5,230 1,600 524 274 401 443 352
11 331 352 487 1,220 2,780 5,160 1,530 509 280 401 441 349
12 330 368 493 1,220 2,850 5,020 1,460 497 281 403 433 353
13 328 381 505 1,240 2,890 4,920 1,390 478 287 409 431 354
14 329 370 510 1,280 2,960 4,840 1,320 467 294 420 437 351
15 329 367 523 1,340 3,010 4,760 1,250 456 293 426 433 349
16 329 365 536 1,400 3,070 4,620 1,190 444 290 429 426 348
17 329 368 551 1,460 3,180 4,540 1,130 432 294 429 427 349
18 330 371 571 1,510 3,340 4,450 1,080 421 292 430 432 348
19 332 373 586 1,590 3,470 4,290 1,070 403 299 429 433 348
20 331 375 621 1,640 3,600 4,140 1,070 399 312 430 426 349
21 329 375 650 1,680 3,730 3,980 1,060 403 324 435 423 348
22 326 376 676 1,710 3,840 3,910 1,020 395 345 434 421 348
23 326 376 693 1,760 3,970 3,790 988 385 354 434 417 343
24 329 381 723 1,810 4,050 3,660 956 375 357 439 413 341
25 331 387 739 1,870 4,090 3,480 930 360 350 439 411 340
26 333 394 745 1,900 4,140 3,310 900 348 347 440 405 340
27 333 400 773 1,920 4,180 3,140 869 347 343 442 396 338
28 332 403 824 1,910 4,290 2,970 837 339 337 442 387 337
29 330 431 834 1,910 4,390 2,840 798 333 341 442 379 336
30 329   835 1,940 4,480 2,700 776 326 349 442 381 334
31 329   837   4,560   755 317   444   332