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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 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 -> 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 80 76 102 155 207 370 252 90 85 109 108 90
2 80 78 102 162 209 364 243 87 84 111 111 91
3 80 79 104 158 212 362 243 84 82 109 113 93
4 82 81 105 156 212 365 243 82 82 109 113 96
5 85 86 104 156 213 368 244 81 86 110 112 95
6 84 90 112 161 214 386 238 81 87 109 110 92
7 83 103 131 164 220 404 228 80 89 111 109 89
8 82 122 139 176 225 410 217 77 93 112 107 89
9 83 169 139 184 228 408 207 77 95 112 108 93
10 84 134 171 197 240 393 207 74 95 110 102 97
11 84 109 180 216 249 391 202 72 96 111 97 98
12 82 98 187 220 253 382 195 72 100 111 96 98
13 81 95 158 199 253 359 190 72 102 111 98 97
14 80 98 143 181 253 341 182 73 101 112 101 96
15 79 104 143 174 253 338 172 72 101 113 102 91
16 78 109 152 172 265 341 164 71 101 114 103 88
17 79 113 141 174 286 351 160 70 100 115 102 85
18 80 112 135 175 298 351 157 70 102 114 101 86
19 81 114 139 179 302 359 148 71 105 113 102 85
20 82 113 154 183 304 372 139 71 104 114 99 85
21 81 113 179 186 314 364 135 72 106 114 97 84
22 81 113 196 190 387 349 128 77 107 113 96 82
23 81 105 171 193 377 333 118 80 109 113 93 80
24 81 101 169 200 364 331 112 83 107 112 92 79
25 82 108 165 205 365 312 107 83 104 113 90 79
26 82 115 169 204 375 298 106 81 103 112 90 80
27 85 112 189 203 378 285 109 80 104 111 92 82
28 85 107 185 199 374 274 107 80 108 109 92 82
29 82 102 171 196 364 272 102 82 107 107 91 80
30 78   157 201 363 266 99 84 106 106 89 80
31 77   156   364   94 85   108   80