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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
1 126 141 245 260 396 947 514 132 111 135 165 144
2 123 144 240 307 377 920 488 130 110 136 166 145
3 122 147 235 298 378 889 464 125 112 138 163 143
4 125 151 239 275 383 879 447 125 111 142 161 139
5 124 154 248 257 377 884 428 125 110 145 160 137
6 125 157 263 262 384 900 405 122 110 146 159 138
7 127 163 268 276 410 931 375 118 112 147 158 136
8 128 159 276 288 459 958 350 115 112 149 158 133
9 126 157 295 290 526 978 327 115 114 151 157 134
10 125 155 283 292 540 1,000 308 111 115 151 157 135
11 125 153 303 308 556 988 285 109 116 150 156 134
12 126 161 308 329 567 960 266 111 120 150 154 135
13 128 171 310 327 534 909 254 110 126 151 153 135
14 131 184 297 314 519 881 241 109 128 156 157 133
15 134 184 303 292 521 882 228 109 130 155 155 132
16 148 185 303 290 535 896 213 110 129 157 154 128
17 147 194 296 284 546 905 204 111 128 158 153 128
18 148 197 325 291 592 899 196 111 129 158 153 129
19 148 200 337 285 728 872 188 108 132 163 153 131
20 149 202 357 291 827 820 182 110 133 162 150 132
21 146 198 363 288 767 784 177 112 135 161 145 133
22 144 199 343 273 797 759 170 113 137 163 143 133
23 142 205 327 274 918 743 163 112 139 164 141 130
24 142 217 357 301 845 732 155 112 137 163 143 127
25 143 231 368 324 811 695 150 111 136 161 145 124
26 140 246 352 343 807 687 150 110 137 160 143 127
27 139 254 331 367 808 679 150 109 135 161 140 128
28 136 248 316 372 809 625 146 107 132 160 140 127
29 136 342 289 428 828 580 144 107 133 161 140 125
30 136   265 445 855 540 141 111 133 160 141 126
31 140   257   913   137 111   162   127