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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 06289000 Little Bighorn River at State Line nr Wyola MT


Big Horn County, Montana
Hydrologic Unit Code 10080016
Latitude  45°00'25.60", Longitude 107°36'55.47" NAD83
Drainage area 182  square miles
Gage datum 4,350 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 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 64 61 61 65 134 550 338 146 104 92 80 73
2 64 61 60 65 140 563 327 144 104 91 79 73
3 64 62 61 65 147 587 317 143 103 91 80 72
4 63 62 61 65 157 614 306 140 102 90 81 72
5 63 62 61 66 165 617 292 137 102 90 80 70
6 64 62 62 67 175 618 280 136 101 90 79 69
7 65 62 61 67 186 621 269 134 101 90 79 69
8 65 62 62 68 196 606 260 132 100 89 79 67
9 65 61 62 69 209 594 250 130 100 89 77 68
10 65 62 61 70 221 588 242 129 99 88 76 71
11 64 62 61 72 226 572 235 127 99 88 75 70
12 63 62 61 72 240 557 229 126 99 89 74 70
13 65 63 61 74 257 556 223 124 98 88 75 70
14 64 62 61 76 273 562 215 123 97 88 75 69
15 64 61 61 78 286 561 208 122 98 87 76 68
16 64 62 62 79 309 559 202 121 97 87 76 67
17 64 62 62 81 338 542 197 119 97 87 76 67
18 63 62 62 84 359 522 192 118 96 87 76 67
19 63 61 62 86 372 506 187 117 97 86 75 67
20 62 61 62 88 402 487 184 116 96 86 74 67
21 63 61 62 91 427 479 181 114 96 85 73 68
22 63 61 63 95 440 467 176 114 95 85 73 68
23 64 60 63 100 455 452 172 113 94 84 73 66
24 63 60 63 105 467 442 169 111 94 84 74 66
25 62 61 63 110 477 429 165 110 93 84 74 66
26 62 61 64 112 488 409 162 109 93 83 73 66
27 61 61 64 114 511 397 160 108 92 83 73 66
28 62 62 64 118 543 379 156 107 92 83 73 65
29 62 63 64 124 562 365 153 106 92 82 72 65
30 61   64 128 549 354 150 105 92 80 72 64
31 61   65   550   148 105   81   64