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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 May 12, 2020 - USGS water-resources monitoring will be discontinued May 31, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)
USGS monitoring activities at this site were funded by partner entities and USGS Cooperative Matching Funds. Lack of partner funding for this site will result in discontinuation of all USGS monitoring activities. Historical data will continue to be available.

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 06127500 Musselshell River at Musselshell MT


Musselshell County, Montana
Hydrologic Unit Code 10040202
Latitude  46°31'20.73", Longitude 108°06'31.94" NAD83
Drainage area 4,534  square miles
Gage datum 2,984.72 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 1927-10-01 -> 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 64 72 133 191 197 621 418 143 134 92 72 79
2 62 73 156 186 202 619 382 141 129 90 72 77
3 61 76 211 180 211 579 361 139 125 87 76 78
4 60 77 235 178 216 552 364 137 122 83 77 79
5 60 77 230 182 215 535 378 138 119 82 76 79
6 61 78 217 187 222 537 362 140 117 82 76 79
7 62 78 202 183 234 570 337 139 116 82 78 75
8 64 78 187 178 253 649 316 142 114 81 81 76
9 65 78 181 176 269 762 296 140 114 80 82 75
10 65 81 197 184 291 748 280 134 114 79 80 76
11 65 99 239 195 303 725 261 134 113 78 78 79
12 66 124 236 196 325 715 259 134 113 77 77 78
13 66 140 237 190 336 669 253 135 115 78 76 78
14 66 151 247 188 351 649 245 138 114 78 76 78
15 66 122 232 191 353 661 243 141 111 77 76 79
16 68 114 236 191 350 681 235 142 107 78 74 78
17 76 113 296 189 369 673 229 141 103 79 76 77
18 87 112 256 183 386 692 215 136 104 80 77 76
19 88 110 255 183 410 732 204 134 102 79 74 77
20 86 116 318 178 441 743 203 138 100 78 75 85
21 83 121 332 184 481 699 194 146 101 77 72 87
22 80 128 354 190 506 689 192 162 101 77 74 82
23 80 132 411 197 528 716 195 157 102 76 75 80
24 78 127 418 198 536 701 185 150 102 76 77 80
25 78 130 336 195 539 619 174 153 98 75 76 80
26 77 131 339 193 581 564 166 150 94 76 76 79
27 75 132 311 193 724 535 163 146 90 78 75 77
28 74 132 318 197 709 516 163 139 89 79 76 75
29 72 162 287 203 678 490 157 134 88 78 73 72
30 71   265 200 638 458 151 132 88 77 76 68
31 72   266   610   149 146   79   67