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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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 6,400.75 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 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
1 331 329 406 870 1,970 4,600 2,540 735 308 354 448 389
2 331 330 411 920 2,010 4,670 2,410 716 304 366 456 387
3 330 332 414 950 2,040 4,740 2,280 688 295 366 455 385
4 328 332 417 963 2,120 4,770 2,160 660 288 377 451 380
5 329 332 422 987 2,220 4,930 2,050 640 283 382 448 378
6 329 336 430 1,030 2,330 5,040 1,940 625 278 383 443 369
7 330 338 440 1,110 2,440 5,130 1,800 595 271 388 442 366
8 330 338 448 1,160 2,540 5,180 1,690 571 269 395 442 362
9 330 338 461 1,170 2,620 5,250 1,640 545 269 401 448 352
10 329 340 475 1,210 2,690 5,230 1,600 524 274 404 445 353
11 330 352 488 1,220 2,780 5,160 1,530 509 280 404 442 351
12 330 368 494 1,220 2,850 5,020 1,460 497 281 405 435 355
13 328 381 505 1,240 2,890 4,920 1,390 478 287 412 433 354
14 329 370 511 1,280 2,960 4,840 1,320 467 294 423 439 351
15 329 367 523 1,340 3,010 4,760 1,250 456 293 429 434 349
16 329 365 538 1,400 3,070 4,620 1,190 444 290 431 428 348
17 329 367 553 1,460 3,180 4,540 1,130 432 294 432 429 349
18 330 371 572 1,510 3,340 4,450 1,080 421 292 432 434 348
19 331 373 588 1,590 3,470 4,290 1,070 403 299 431 435 348
20 330 375 624 1,640 3,600 4,140 1,070 399 312 432 430 349
21 328 375 654 1,680 3,730 3,980 1,060 403 324 437 426 348
22 325 375 678 1,710 3,840 3,910 1,020 395 345 436 424 348
23 325 376 695 1,760 3,970 3,790 988 385 354 436 419 344
24 328 380 725 1,810 4,050 3,660 956 375 357 441 416 341
25 330 387 741 1,870 4,090 3,480 930 360 350 440 414 341
26 332 393 747 1,900 4,140 3,310 900 348 347 441 407 341
27 332 399 774 1,920 4,180 3,140 869 347 343 444 398 339
28 331 403 825 1,910 4,290 2,970 837 339 337 444 389 338
29 329 431 833 1,910 4,390 2,840 798 333 341 443 381 336
30 328   832 1,940 4,480 2,700 776 326 349 444 384 334
31 328   834   4,560   755 317   445   333