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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 09219200 Blacks Fork above Smiths Fork, near Lyman, WY


Uinta County, Wyoming
Hydrologic Unit Code 14040107
Latitude  41°23'38.94", Longitude 110°12'21.45" NAD83
Drainage area 324.4  square miles
Gage datum 6,433 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 2017-10-01 -> 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 14 13 22 77 48 134 90 30 6.4 24 23 18
2 15 13 24 76 42 173 101 30 8.6 25 24 19
3 15 12 24 82 43 188 81 27 9.4 24 23 18
4 15 12 24 122 46 172 76 25 25 20 22 19
5 15 13 24 131 49 209 91 24 24 15 21 19
6 15 13 24 109 47 223 79 26 20 14 19 19
7 15 13 25 95 47 335 64 24 16 16 20 19
8 15 13 26 83 54 414 56 21 13 17 24 19
9 14 13 26 82 51 421 44 23 14 17 22 18
10 13 12 26 70 54 363 40 18 11 17 20 17
11 13 12 27 54 56 302 35 20 21 17 18 17
12 14 13 26 56 58 273 35 17 23 16 18 17
13 13 13 26 61 60 253 31 19 16 17 18 17
14 13 13 27 60 90 264 31 32 14 16 18 17
15 13 14 32 75 108 256 26 25 15 15 17 16
16 12 13 36 73 112 246 31 15 12 16 18 16
17 12 13 41 57 112 227 33 11 10 17 20 15
18 12 13 45 50 119 192 29 11 11 16 19 15
19 11 13 54 45 130 148 25 9 11 16 20 15
20 12 14 47 43 129 122 41 9.1 10 17 20 15
21 12 15 47 45 128 126 42 8.9 12 17 18 16
22 12 17 44 64 136 149 36 8.2 13 18 17 16
23 12 18 41 46 137 157 38 9.1 12 18 17 16
24 12 18 41 45 147 121 38 8.2 13 18 17 16
25 12 18 42 45 138 93 37 7.4 13 17 17 15
26 12 18 43 42 146 91 32 6.8 12 16 16 15
27 11 20 39 54 181 79 27 6.2 13 15 16 15
28 11 21 36 52 195 56 27 9.4 18 16 17 14
29 12 40 50 46 192 58 25 9.7 22 14 17 14
30 12   59 50 173 66 26 7.9 24 16 17 14
31 12   60   145   23 7   20   14