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USGS 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 October 1, 2019: USGS streamflow monitoring will continue at the following site effective October 1, 2019:
  • 09219200 Blacks Fork above Smiths Fork, near Lyman, WY (2018 to present)
USGS monitoring activities at this site will be funded by a partner agency. Partner funding for this site will result in continuation of streamflow monitoring activities. 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 06635000 MEDICINE BOW R AB SEMINOE RESERVOIR, NR HANNA, WY


Carbon County, Wyoming
Hydrologic Unit Code 10180004
Latitude  42°00'35", Longitude 106°30'45" NAD27
Drainage area 2,338  square miles
Contributing drainage area 1,942  square miles
Gage datum 6,415.4 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 -> 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 32 35 60 229 413 686 381 97 28 31 50 44
2 32 35 62 226 400 692 353 97 25 32 49 44
3 32 35 63 225 392 693 324 83 23 32 48 43
4 32 36 64 228 382 711 295 76 21 33 49 42
5 32 37 66 238 399 732 273 68 20 38 50 41
6 32 37 69 253 439 748 253 67 20 43 50 40
7 32 38 70 254 447 762 232 59 19 43 51 40
8 32 39 74 262 467 771 220 53 19 38 52 40
9 32 40 79 260 480 771 204 52 20 38 54 40
10 33 44 86 261 497 771 193 49 22 40 53 39
11 33 50 94 262 523 771 183 46 32 38 51 39
12 32 60 98 261 531 788 183 47 36 38 51 39
13 32 80 102 264 521 786 168 44 35 39 53 39
14 33 62 112 292 518 778 162 43 37 40 53 37
15 33 51 115 302 512 754 153 43 30 41 51 37
16 33 49 122 313 527 739 145 41 27 43 49 37
17 32 47 127 325 543 720 134 40 26 43 50 36
18 32 47 132 343 585 705 123 39 26 43 50 37
19 33 47 143 350 578 675 116 44 26 44 49 36
20 33 49 154 360 594 649 114 42 25 44 49 36
21 33 51 167 361 614 639 121 50 26 45 47 36
22 33 49 183 364 619 608 117 40 27 46 47 35
23 32 49 189 388 632 581 118 46 27 47 48 34
24 33 52 189 389 652 565 114 46 28 46 48 33
25 34 54 214 408 655 534 120 37 30 46 48 33
26 34 58 220 421 659 512 115 31 30 46 47 33
27 34 62 236 401 660 478 128 29 28 47 45 33
28 34 60 262 391 659 458 113 30 29 48 44 33
29 34 55 259 395 666 432 108 28 32 47 44 33
30 34   235 406 672 407 106 27 32 47 45 33
31 35   223   687   102 25   49   33