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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 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 2,981  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 -> 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 59 75 185 357 562 1,050 467 148 54 98 97 77
2 59 77 195 365 577 1,050 448 144 57 86 97 77
3 58 78 195 371 587 1,080 446 132 60 83 96 77
4 58 78 196 391 604 1,070 430 139 89 83 100 75
5 59 83 198 396 626 1,040 410 123 87 85 101 73
6 60 83 196 373 651 1,050 391 127 75 84 101 72
7 62 83 203 383 683 1,100 370 120 76 89 101 71
8 62 86 216 394 718 1,140 360 108 69 87 101 71
9 62 85 238 388 738 1,140 351 93 68 83 99 71
10 61 81 272 391 781 1,190 342 86 66 83 100 69
11 61 87 333 418 801 1,200 324 83 64 82 102 68
12 60 102 469 444 807 1,200 317 81 69 85 103 67
13 59 116 494 439 810 1,220 301 79 94 86 107 67
14 60 125 428 440 836 1,160 292 81 80 87 104 66
15 61 126 394 418 865 1,070 283 84 74 86 100 66
16 62 122 397 420 852 980 255 77 72 87 98 66
17 63 132 415 427 849 945 240 77 70 90 96 64
18 64 140 401 427 880 944 229 81 69 92 95 63
19 68 133 385 435 903 964 212 77 71 91 94 62
20 78 126 370 445 937 900 273 80 72 91 91 62
21 77 128 382 457 966 843 241 89 72 91 88 61
22 75 135 386 481 992 803 212 84 73 93 87 60
23 73 136 389 507 1,020 766 202 81 74 93 89 59
24 72 147 399 507 1,020 731 200 81 78 91 86 62
25 72 149 385 519 1,010 707 194 74 80 89 84 65
26 72 144 371 544 1,030 654 198 68 82 88 82 63
27 72 154 364 544 1,020 608 183 65 83 88 81 61
28 72 165 375 542 1,010 571 194 66 121 93 79 59
29 73 232 339 549 1,010 529 170 60 149 93 79 59
30 73   329 550 1,050 490 156 56 123 93 79 59
31 73   330   1,080   153 54   96   60