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  • Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S. states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to protect life and property on a case-by-case basis. The health and safety of the public and our employees are our highest priorities, and we continue to follow guidance fromthe White House, the CDC, and state and local authorities.

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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS streamflow data in Wyoming and Montana can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

UPDATED October 1, 2019: USGS streamflow monitoring will continue at the following site effective October 1, 2019:
  • 09219200 Blacks Fork above Smiths Fork, near Lyman, WY (2018 to present)
USGS monitoring activities at this site will be funded by a partner agency. Partner funding for this site will result in continuation of streamflow monitoring activities. Questions or concerns can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

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 06324500 Powder River at Moorhead MT


Powder River County, Montana
Hydrologic Unit Code 10090207
Latitude  45°03'25.91", Longitude 105°52'42.16" NAD83
Drainage area 8,029  square miles
Gage datum 3,350.60 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 1929-10-01 -> 2020-09-30)

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
1 150 173 480 496 640 1,570 782 224 134 225 251 192
2 154 176 483 602 667 1,490 738 212 114 221 247 188
3 157 181 473 491 682 1,490 699 242 126 200 244 184
4 156 190 453 449 695 1,500 651 191 130 200 246 188
5 155 192 443 423 710 1,540 635 191 123 223 246 185
6 159 198 448 416 826 1,560 611 190 108 229 245 178
7 160 205 479 411 853 1,600 556 143 103 221 244 169
8 160 202 511 402 873 1,600 494 180 129 246 242 163
9 156 200 484 409 855 1,580 512 162 133 233 243 162
10 155 195 519 435 891 1,520 509 132 127 228 237 162
11 153 197 575 457 940 1,550 478 120 126 216 238 160
12 154 210 613 477 931 1,670 551 141 120 208 239 160
13 156 237 665 507 933 1,520 675 233 120 206 235 161
14 157 268 672 487 947 1,480 710 183 119 204 232 159
15 156 305 660 530 954 1,460 564 182 130 203 231 158
16 156 295 717 489 976 1,650 474 171 145 205 231 155
17 155 287 767 473 1,010 1,780 404 152 134 217 227 157
18 156 299 821 468 1,120 1,620 436 135 137 240 222 158
19 156 344 857 471 1,270 1,470 359 134 145 303 223 158
20 156 375 873 493 1,420 1,310 328 142 149 264 214 158
21 156 363 782 483 1,280 1,200 277 200 139 241 206 157
22 156 331 717 485 1,200 1,150 244 158 142 233 201 155
23 156 320 664 501 1,270 1,310 235 140 142 234 201 152
24 155 348 613 529 1,500 1,260 240 135 167 246 219 152
25 155 359 590 543 1,430 1,160 211 126 168 248 225 155
26 155 366 594 562 1,440 1,100 232 138 172 237 212 163
27 157 387 583 600 1,520 1,020 283 119 168 236 213 165
28 159 394 523 606 1,500 955 385 110 166 231 208 152
29 164 817 472 611 1,440 888 309 137 168 231 202 149
30 166   470 630 1,550 816 285 223 174 228 199 149
31 169   462   1,590   245 187   253   150