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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 09218500 BLACKS FORK NEAR MILLBURNE, WY


Uinta County, Wyoming
Hydrologic Unit Code 14040107
Latitude  41°01'54", Longitude 110°34'43" NAD27
Drainage area 152  square miles
Gage datum 8,512.27 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 1939-10-01 -> 2024-09-30)

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 27 26 27 33 92 727 541 192 121 77 49 31
2 27 26 27 34 102 735 531 189 120 74 51 31
3 27 26 27 34 119 742 524 181 119 71 50 31
4 27 26 27 35 136 754 512 174 117 69 50 31
5 27 26 27 34 149 773 493 167 116 66 48 31
6 27 26 27 35 163 795 472 161 115 63 46 30
7 27 26 27 36 175 812 455 157 114 59 46 30
8 27 26 27 37 194 801 443 154 111 59 45 29
9 27 26 27 38 215 786 433 147 112 61 45 29
10 27 26 27 40 235 789 426 146 110 61 44 29
11 27 26 27 41 248 778 413 142 110 60 42 29
12 26 26 27 41 256 777 398 141 110 60 41 29
13 26 26 27 41 267 761 385 139 107 60 40 29
14 26 26 27 41 275 745 372 135 104 60 42 29
15 26 25 27 42 294 719 362 134 100 61 39 29
16 26 25 27 43 342 712 347 131 100 61 36 29
17 26 25 27 44 409 701 333 129 98 60 36 29
18 26 25 27 45 461 703 324 127 99 61 35 29
19 26 25 27 52 499 703 313 127 98 60 35 28
20 26 25 27 65 523 712 301 127 98 58 34 28
21 26 25 28 66 543 702 285 129 99 57 34 28
22 26 25 29 63 581 681 275 129 98 55 33 28
23 26 25 30 63 603 658 267 128 98 54 33 29
24 26 25 31 67 623 645 252 128 98 52 33 29
25 27 25 31 72 654 626 244 129 98 52 34 29
26 27 25 30 77 671 609 234 127 101 54 33 29
27 26 25 29 81 684 587 229 125 96 55 33 29
28 26 25 29 83 710 574 222 124 94 53 32 28
29 26 26 29 82 715 567 215 125 94 52 32 28
30 26   29 84 713 551 208 126 92 50 32 28
31 26   29   713   201 122   49   28