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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 09224700 BLACKS FORK NEAR LITTLE AMERICA, WY


Sweetwater County, Wyoming
Hydrologic Unit Code 14040107
Latitude  41°32'46", Longitude 109°41'34" NAD27
Drainage area 3,100  square miles
Gage datum 6,127.66 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 1961-10-01 -> 2019-09-30)

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 61 79 195 367 566 1,080 491 155 55 100 101 80
2 61 81 206 375 579 1,090 470 150 58 87 101 80
3 60 81 205 383 587 1,100 466 137 63 84 99 80
4 60 81 205 405 607 1,100 449 144 93 84 104 78
5 61 85 207 410 630 1,060 429 126 87 86 105 75
6 62 86 205 384 654 1,080 408 131 74 85 105 74
7 64 87 212 394 687 1,140 384 124 77 91 105 74
8 65 90 223 406 727 1,160 375 112 70 88 104 73
9 64 88 242 399 752 1,150 367 96 70 83 102 73
10 64 84 280 402 800 1,200 359 88 68 84 104 71
11 63 90 345 431 821 1,220 341 85 65 84 106 70
12 62 106 491 458 827 1,240 335 83 69 87 108 69
13 62 122 518 451 828 1,260 319 81 93 88 112 69
14 62 132 447 451 855 1,200 309 83 80 89 109 69
15 64 132 411 426 883 1,100 299 79 74 89 104 69
16 64 127 415 427 864 1,000 269 73 72 89 102 68
17 65 137 432 433 857 965 252 77 70 93 100 66
18 67 145 417 433 891 972 241 82 70 95 99 65
19 71 138 399 442 912 1,000 222 77 71 94 98 64
20 82 130 380 452 944 938 290 80 72 94 95 64
21 80 132 390 465 973 880 255 91 72 93 91 63
22 78 140 392 492 1,000 839 223 86 74 96 90 62
23 76 142 396 519 1,030 797 211 83 74 96 93 61
24 75 154 410 517 1,050 757 210 83 78 93 89 64
25 75 156 395 528 1,040 737 204 76 81 91 87 68
26 75 151 381 553 1,060 686 208 69 83 90 85 65
27 75 162 375 550 1,050 639 191 66 84 91 84 63
28 76 174 388 543 1,030 600 204 68 126 96 82 61
29 76 249 349 549 1,040 556 178 61 157 97 82 61
30 77   338 552 1,090 516 163 57 129 97 82 61
31 77   338   1,110   161 55   100   62