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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 18, 2020 - USGS water-resources monitoring activities were restored effective August 17, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)

Updated June 11, 2020 - USGS water-resources monitoring activities will be restored at the following sites:
  • 12323600 Silver Bow Creek at Opportunity, Montana (POR: 31 years)
  • 12323750 Silver Bow Creek at Warm Springs, Montana (POR: 35 years)


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 06076690 Smith River near Ft Logan MT


Meagher County, Montana
Hydrologic Unit Code 10030103
Latitude  46°47'44.88", Longitude 111°10'42.80" NAD83
Drainage area 845  square miles
Gage datum 4,400 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 1977-10-01 -> 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 81 78 107 164 205 376 255 96 88 112 111 95
2 82 80 107 172 206 369 248 94 88 112 113 96
3 81 82 109 166 206 357 252 90 86 110 114 98
4 83 84 111 163 202 354 252 88 84 111 113 100
5 87 88 110 163 199 362 254 85 87 112 113 98
6 86 93 118 169 199 385 247 84 89 111 113 96
7 85 108 141 170 207 407 236 82 91 113 111 92
8 83 130 147 178 213 419 224 80 94 114 110 93
9 84 187 147 175 216 418 215 79 97 114 112 99
10 86 145 186 177 233 403 215 77 97 112 106 103
11 86 116 196 177 245 396 211 76 98 113 102 102
12 85 104 205 186 251 393 203 76 103 113 100 102
13 84 100 168 176 250 372 198 77 105 112 101 101
14 83 103 150 173 250 354 190 77 105 114 104 99
15 82 111 151 172 250 351 179 76 105 116 104 94
16 80 118 161 172 260 357 170 76 105 116 105 91
17 81 123 146 173 277 371 167 75 105 116 105 89
18 82 121 137 175 288 365 165 76 105 114 103 88
19 84 123 141 178 292 376 156 76 107 114 104 88
20 84 122 158 185 294 394 146 76 108 115 102 90
21 83 122 188 191 305 385 140 76 109 114 101 89
22 83 123 210 196 389 369 132 80 110 113 99 88
23 83 113 182 200 378 354 125 84 109 111 96 85
24 84 105 180 207 364 347 118 88 108 112 97 84
25 84 115 176 211 366 328 113 87 105 113 97 85
26 84 123 181 206 377 317 113 84 104 114 96 86
27 86 119 205 202 377 302 117 82 107 113 98 88
28 86 114 200 200 374 287 114 82 111 111 98 86
29 85 105 184 198 367 277 110 84 111 110 98 82
30 80   167 201 366 267 105 87 110 110 95 81
31 79   166   371   100 87   110   81