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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 146  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 92 729 541 192 122 77 49 31
2 27 26 27 33 103 736 530 189 120 74 51 31
3 27 26 27 34 120 744 524 181 120 71 50 31
4 27 26 27 34 137 755 512 175 118 69 50 31
5 27 26 27 34 150 776 493 168 117 66 48 31
6 27 26 27 35 164 802 473 161 115 63 46 30
7 27 26 27 36 176 822 456 157 115 59 46 30
8 27 26 27 37 195 814 444 154 112 59 45 29
9 27 26 27 38 216 800 432 148 112 61 45 29
10 27 26 27 40 236 798 425 146 111 61 44 29
11 27 26 27 40 250 786 412 143 111 60 42 29
12 26 26 27 40 257 785 398 141 111 60 41 29
13 26 26 27 40 270 768 385 139 108 60 40 29
14 26 26 27 41 280 750 372 135 105 60 42 29
15 26 25 27 41 299 723 362 134 102 61 39 29
16 26 25 27 42 347 716 346 131 101 61 36 29
17 26 25 27 43 412 701 332 129 100 60 36 29
18 26 25 27 45 462 702 323 128 100 61 35 29
19 26 25 27 51 499 702 312 128 99 60 35 28
20 26 25 27 64 522 710 301 127 99 58 34 28
21 26 25 28 65 542 699 284 129 100 57 34 28
22 26 25 29 62 580 679 274 129 99 55 33 28
23 26 25 30 62 601 655 267 128 99 54 33 29
24 26 25 31 66 621 642 252 128 99 52 33 29
25 27 25 31 71 652 624 244 129 99 52 34 29
26 27 25 30 76 669 608 234 127 102 54 33 29
27 26 25 29 80 681 586 229 125 97 55 33 29
28 26 25 29 82 707 573 222 124 95 53 32 28
29 26 26 29 81 714 566 215 126 96 52 32 28
30 26   29 83 714 551 208 127 93 50 32 28
31 26   29   715   201 122   49   28