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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 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
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 -> 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
1 217 202 201 333 1,120 2,230 1,390 591 399 340 293 247
2 216 206 202 342 1,150 2,240 1,350 580 398 337 290 249
3 217 206 201 347 1,210 2,270 1,320 568 393 338 290 250
4 219 206 200 360 1,290 2,310 1,280 559 389 335 290 244
5 219 204 202 379 1,350 2,360 1,230 548 385 332 289 237
6 216 203 204 401 1,420 2,380 1,190 539 382 329 287 237
7 212 203 204 416 1,500 2,370 1,150 527 379 325 287 234
8 213 201 206 441 1,530 2,310 1,110 520 377 326 285 231
9 214 204 211 465 1,560 2,250 1,080 512 377 323 284 226
10 215 208 212 487 1,580 2,180 1,060 502 372 323 280 227
11 216 208 213 508 1,600 2,110 1,020 494 373 322 278 230
12 214 206 217 532 1,600 2,060 987 486 373 320 275 232
13 212 205 219 552 1,640 2,050 950 482 370 318 274 232
14 212 203 221 578 1,670 2,020 916 475 366 318 273 230
15 212 204 223 605 1,740 1,970 890 469 366 319 263 231
16 211 203 225 637 1,830 1,950 863 462 366 319 265 231
17 211 201 232 683 1,890 1,920 833 456 361 318 268 229
18 210 200 237 729 1,950 1,890 806 452 360 313 264 223
19 209 202 246 761 1,980 1,860 785 450 360 310 261 224
20 210 201 251 775 2,010 1,840 766 444 356 310 259 225
21 208 202 257 817 2,040 1,800 744 441 359 308 257 223
22 207 201 267 881 2,060 1,770 724 440 356 305 255 223
23 209 201 277 939 2,060 1,740 707 435 352 306 254 226
24 208 202 280 951 2,090 1,700 690 428 350 307 256 232
25 207 202 283 957 2,100 1,660 679 421 347 304 259 227
26 208 202 286 973 2,130 1,610 665 421 347 301 259 226
27 208 199 288 978 2,150 1,580 649 416 344 298 253 222
28 207 198 291 1,000 2,180 1,550 634 412 344 295 250 224
29 206 202 296 1,020 2,220 1,490 626 407 344 295 248 224
30 204   303 1,070 2,210 1,440 613 402 340 292 246 223
31 201   317   2,210   599 401   295   222