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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 06326500 Powder River near Locate MT


Custer County, Montana
Hydrologic Unit Code 10090209
Latitude  46°25'45.97", Longitude 105°18'37.19" NAD83
Drainage area 13,060  square miles
Gage datum 2,384.7 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 1938-10-01 -> 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
1 145 167 624 1,070 779 1,570 972 278 167 175 249 181
2 145 174 652 946 765 1,590 917 262 168 213 257 174
3 149 189 697 1,020 767 1,560 942 266 165 285 263 178
4 155 190 782 1,030 784 1,590 982 250 171 269 261 171
5 157 193 954 797 789 1,610 845 253 153 261 256 170
6 152 196 956 687 874 1,660 794 219 169 258 260 168
7 151 203 901 667 992 1,800 755 225 174 224 264 163
8 149 223 890 639 982 1,790 744 236 169 224 258 160
9 148 221 860 621 1,010 1,780 672 201 144 226 266 159
10 145 221 897 606 1,160 1,700 636 188 136 259 251 158
11 143 224 937 625 1,150 1,670 591 175 142 240 238 154
12 143 233 997 623 1,070 1,660 562 176 136 233 242 154
13 144 257 1,040 638 1,100 1,720 539 193 141 228 237 174
14 145 308 1,050 656 1,070 1,650 537 208 130 226 237 154
15 142 473 1,070 624 1,030 1,640 600 191 147 223 237 160
16 140 553 1,170 645 1,010 1,580 525 172 157 224 236 155
17 143 596 1,130 651 1,010 1,710 460 196 143 237 232 151
18 149 639 1,320 624 1,030 1,900 448 197 148 247 231 150
19 154 736 1,540 652 1,090 2,050 446 170 151 256 226 148
20 154 560 1,830 659 1,230 2,000 418 151 152 274 219 151
21 157 526 1,970 640 1,500 1,670 395 147 142 307 212 152
22 162 528 2,060 639 1,580 1,600 356 133 148 295 207 153
23 162 494 1,940 632 1,470 1,560 309 170 145 272 199 153
24 164 489 1,710 656 1,410 1,530 291 216 139 253 200 152
25 167 509 1,460 668 1,530 1,460 279 192 161 245 198 153
26 168 525 1,250 666 1,530 1,380 289 166 172 260 198 152
27 164 550 1,110 670 1,490 1,300 360 166 173 261 189 152
28 164 565 1,050 701 1,530 1,220 356 160 177 259 191 152
29 162 994 1,060 737 1,590 1,150 341 160 171 258 189 150
30 166   1,090 761 1,660 1,040 330 161 167 254 184 149
31 165   957   1,640   298 156   248   148