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USGS Daily Statistics for Montana

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

Updated September 21, 2018 - USGS water-resources monitoring will continue with partner funds and USGS Cooperative Matching Funds at the following site: USGS water-resources monitoring will be discontinued at the following sites effective October 1, 2018:
  • 06024540 Big Hole R bel Mudd Cr nr Wisdom, MT (seasonal water temperature)
  • 06308400 Pumpkin Cr nr Miles City, MT (annual streamflow, water temperature, and sampling)
USGS monitoring activities at these sites were funded by partner agencies. Lack of partner funding for these sites resulted in discontinuation of all streamgaging activities.

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 06126500 Musselshell River near Roundup MT


Musselshell County, Montana
Hydrologic Unit Code 10040202
Latitude  46°25'40.79", Longitude 108°34'21.49" NAD83
Drainage area 3,998  square miles
Gage datum 3,188.15 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 71 - 72 years of record in, ft3/s   (Calculation Period 1946-10-01 -> 2018-09-30)

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 55 65 115 154 187 635 420 198 159 81 75 67
2 53 65 115 155 191 604 396 196 152 80 75 64
3 53 65 135 154 203 577 387 191 146 76 76 65
4 58 66 127 154 209 563 393 188 141 76 77 64
5 61 68 124 159 219 564 392 192 139 76 77 63
6 62 69 121 156 233 579 370 190 136 76 75 62
7 60 71 123 150 257 646 348 189 134 75 76 62
8 59 85 135 153 273 808 329 189 133 75 77 62
9 58 85 183 160 285 766 317 182 132 74 77 62
10 56 81 281 163 295 754 303 183 129 73 75 63
11 55 99 249 160 306 761 292 180 126 73 74 64
12 55 106 212 158 324 718 290 181 128 74 73 63
13 56 116 176 160 337 685 280 178 128 75 74 64
14 55 110 179 166 348 722 275 183 127 74 72 66
15 56 97 174 172 339 742 272 185 123 75 70 63
16 59 97 184 171 348 734 266 187 118 77 69 62
17 67 94 189 165 381 729 259 181 115 78 70 62
18 66 92 182 163 429 771 251 178 112 77 70 62
19 64 93 195 160 444 785 257 176 111 75 69 66
20 63 95 228 159 455 740 246 190 110 75 70 64
21 63 97 224 160 469 704 240 181 110 75 67 64
22 64 94 265 155 502 727 246 179 109 74 67 62
23 64 94 267 153 529 722 245 176 109 75 68 60
24 64 93 219 149 538 651 236 184 106 74 69 61
25 65 96 203 150 586 589 226 184 101 74 70 60
26 64 115 202 152 720 561 223 184 95 75 68 60
27 65 122 204 166 717 551 229 177 92 75 66 59
28 65 116 194 181 718 536 225 165 90 74 66 58
29 66 121 178 181 666 505 216 158 87 75 66 57
30 68   167 179 639 473 215 176 84 74 67 56
31 67   156   623   211 164   75   57