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USGS Surface-Water Daily Statistics for Wyoming

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Questions or concerns about USGS streamflow data in Wyoming and Montana can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

UPDATED July 27, 2020: USGS current stream monitoring information will continue at the following sites with funding from partner agencies and USGS Cooperative Matching Funds:
  • 06298000 Tongue River near Dayton, WY - Funded through Sep 30, 2021
  • 06311000 North Fork Powder River near Hazelton, WY - Funded through Sep 30, 2020 only
  • 06324970 Little Powder River above Dry Creek near Weston, WY - Funded through Sep 30, 2021
  • 06429905 Sand Creek near Ranch A near Beulah, WY - Funded through Sep 30, 2020 only
  • 09205000 New Fork River near Big Piney, WY - Funded through Sep 30, 2020 only
  • 13016450 Fish Creek at Wilson, WY - Partner: Teton Conservation District
UPDATED July 12, 2020: USGS current streamflow monitoring information will be discontinued at the following sites effective August 1, 2020:
  • 06289600 West Pass Creek near Parkman, WY (37 yrs)
  • 06289820 East Pass Creek near Dayton, WY (37 yrs)
  • 06297500 Highline Ditch near Dayton, WY
  • 06311400 North Fork Powder River below Pass Creek near Mayoworth, WY (46 yrs)
  • 06392900 Beaver Creek at Mallo Camp near Four Corners, WY (37 yrs)
  • 06392950 Stockade Beaver Creek near Newcastle, WY (37 yrs)
  • 06429500 Cold Springs Creek at Buckhorn, WY (37 yrs)
USGS monitoring activities at these sites had been supported through June 30, 2020 with funding from our partner agency and USGS cooperative matching funds. Without funding from another partner, current water-resources information from these sites will no longer be available from the USGS. Historical data will continue to be available from USGS. Questions or concerns can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

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 13023000 GREYS RIVER ABOVE RESERVOIR, NEAR ALPINE, WY


Lincoln County, Wyoming
Hydrologic Unit Code 17040103
Latitude  43°08'35", Longitude 110°58'37" NAD83
Drainage area 448  square miles
Contributing drainage area 448  square miles
Gage datum 5,729 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 1936-10-01 -> 2020-09-30)

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
1 217 203 202 337 1,120 2,250 1,420 600 403 344 295 247
2 216 208 203 347 1,160 2,260 1,380 589 403 340 291 250
3 217 207 203 351 1,220 2,290 1,350 575 396 341 291 251
4 219 206 202 363 1,300 2,310 1,300 566 392 338 292 246
5 219 204 204 381 1,360 2,360 1,260 555 388 335 290 238
6 216 203 205 405 1,430 2,380 1,220 544 386 332 288 238
7 212 204 206 422 1,510 2,370 1,170 533 382 329 288 235
8 214 202 209 448 1,550 2,310 1,140 525 380 328 286 232
9 214 206 213 472 1,590 2,260 1,100 518 381 325 285 227
10 216 210 215 492 1,600 2,190 1,080 508 376 326 281 228
11 216 210 216 511 1,620 2,110 1,040 500 376 324 280 230
12 214 208 219 532 1,600 2,060 1,010 492 376 322 276 233
13 212 206 221 550 1,640 2,050 972 488 373 320 275 233
14 213 204 223 578 1,690 2,030 937 480 370 320 274 231
15 212 206 224 605 1,750 2,000 910 474 370 322 264 232
16 212 205 227 639 1,840 1,970 882 468 370 322 266 232
17 211 203 235 687 1,900 1,950 851 461 364 321 270 229
18 209 203 240 740 1,940 1,920 823 457 363 316 265 224
19 209 204 249 776 1,970 1,890 802 454 364 313 262 225
20 210 202 253 793 2,020 1,870 782 449 359 313 260 226
21 208 203 260 836 2,050 1,840 759 445 362 311 259 224
22 207 202 271 901 2,080 1,810 738 443 359 308 257 224
23 209 202 282 960 2,070 1,770 721 440 355 309 256 228
24 209 204 284 971 2,100 1,730 704 432 353 309 257 234
25 208 204 287 974 2,110 1,690 692 425 351 307 262 230
26 209 204 289 986 2,140 1,650 677 425 350 303 261 228
27 208 200 291 986 2,170 1,610 661 420 348 301 255 224
28 207 199 293 1,010 2,190 1,570 645 416 348 297 252 226
29 206 203 298 1,030 2,230 1,520 637 411 348 298 250 225
30 205   305 1,070 2,230 1,470 623 406 344 295 246 224
31 204   320   2,230   609 405   297   222