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USGS Daily Statistics for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming 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 06294000 Little Bighorn River near Hardin MT


Big Horn County, Montana
Hydrologic Unit Code 10080016
Latitude  45°44'08.47", Longitude 107°33'26.89" NAD83
Drainage area 1,294  square miles
Gage datum 2,882.29 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 1953-10-01 -> 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
1 126 142 240 261 390 945 514 132 111 135 165 144
2 123 144 234 307 372 918 488 130 110 136 166 145
3 123 148 230 298 375 886 464 125 112 138 163 143
4 125 152 235 275 382 875 447 125 111 142 161 139
5 125 154 245 257 376 882 428 125 110 145 160 137
6 125 158 260 262 384 899 405 122 110 146 159 138
7 127 163 266 277 408 932 375 118 112 147 158 135
8 128 160 276 289 457 959 350 115 112 149 158 133
9 126 158 295 291 526 980 327 115 114 151 157 134
10 126 156 283 294 541 1,000 308 111 115 151 157 135
11 125 154 304 310 558 988 285 109 116 150 156 134
12 126 162 309 331 567 960 266 111 120 150 154 135
13 129 172 311 329 532 909 254 110 126 151 153 135
14 132 185 298 315 515 881 241 109 128 156 157 133
15 135 185 304 293 514 882 228 109 130 155 155 132
16 149 186 304 291 528 896 213 110 129 157 154 128
17 148 195 297 285 540 905 204 111 128 158 153 128
18 149 198 327 292 590 899 196 111 129 158 153 129
19 150 201 339 286 724 872 188 108 132 163 153 132
20 150 203 358 292 811 820 182 110 133 162 150 132
21 147 199 365 288 743 784 177 112 135 161 145 133
22 145 199 344 273 776 759 170 113 137 163 143 133
23 143 204 328 275 910 743 163 112 139 164 141 130
24 142 216 358 302 840 732 155 112 137 163 143 127
25 144 230 370 325 806 695 150 111 136 161 145 124
26 141 244 353 345 804 687 150 110 137 160 144 127
27 140 250 331 369 806 679 150 109 135 161 140 128
28 136 242 316 373 807 625 146 107 132 160 140 127
29 136 342 289 427 826 580 144 107 133 161 140 125
30 136   265 436 852 540 141 111 133 160 141 126
31 141   257   911   137 111   162   127