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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 79 77 103 156 205 374 252 90 85 109 107 89
2 79 79 103 162 208 368 243 87 84 111 110 91
3 79 80 105 159 211 364 243 84 82 109 113 93
4 81 82 106 156 211 365 243 82 82 109 112 95
5 84 86 105 156 214 368 244 81 86 110 111 94
6 83 90 112 161 217 386 238 81 87 109 109 92
7 83 103 131 163 221 404 228 80 89 111 108 89
8 82 121 139 175 226 410 217 77 93 112 106 88
9 82 166 139 183 230 408 207 77 95 112 107 92
10 83 132 171 195 242 393 207 74 95 110 102 96
11 83 108 179 213 252 391 202 72 96 111 97 97
12 82 98 186 218 259 382 195 72 100 111 96 98
13 80 95 157 198 260 359 190 72 102 111 98 97
14 80 98 143 180 262 341 182 73 101 112 101 95
15 78 104 143 173 264 338 172 72 101 113 102 91
16 78 109 151 171 273 341 164 71 101 114 103 87
17 79 113 140 173 291 351 160 70 100 114 102 84
18 79 112 135 174 304 351 157 70 102 113 101 85
19 81 113 138 178 307 359 148 71 105 112 100 84
20 81 113 153 182 308 372 139 71 104 113 97 85
21 80 113 176 185 317 364 135 72 106 113 96 84
22 81 113 194 188 387 349 128 77 107 113 95 82
23 80 106 169 191 379 333 118 80 109 112 92 80
24 81 101 167 197 366 331 112 83 107 112 91 79
25 82 109 164 202 367 312 107 83 104 112 89 79
26 82 115 168 201 376 298 106 81 103 112 89 80
27 85 113 187 201 379 285 109 80 104 111 91 82
28 84 108 184 198 376 274 107 80 108 108 91 81
29 82 102 172 195 367 272 102 82 107 106 91 80
30 78   159 200 366 266 99 84 106 105 89 80
31 77   158   368   94 85   107   79