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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 12354000 St. Regis River near St. Regis, MT


Mineral County, Montana
Hydrologic Unit Code 17010204
Latitude  47°17'48.16", Longitude 115°07'21.45" NAD83
Drainage area 304  square miles
Gage datum 2,645 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 1909-10-01 -> 2021-09-30)

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
1 164 290 287 796 1,490 1,940 653 189 122 116 148 196
2 157 265 276 826 1,500 1,950 615 190 124 113 152 196
3 154 258 271 839 1,580 1,920 590 183 120 114 159 206
4 152 260 270 850 1,650 1,860 563 178 120 119 166 211
5 158 274 275 864 1,770 1,800 536 173 121 114 162 212
6 168 269 296 919 1,830 1,750 510 171 120 112 166 198
7 177 267 306 1,000 1,890 1,690 488 170 117 112 213 189
8 189 281 305 1,020 1,880 1,620 463 164 116 117 208 184
9 197 286 315 1,060 1,940 1,600 438 159 114 125 193 190
10 177 312 346 1,090 1,960 1,510 419 156 112 120 206 183
11 171 309 349 1,100 1,960 1,380 406 153 113 124 209 193
12 169 294 376 1,100 1,960 1,350 395 151 112 139 226 194
13 171 285 415 1,140 1,960 1,330 382 150 111 136 214 192
14 198 280 427 1,180 1,960 1,320 368 149 112 133 188 195
15 258 275 486 1,220 2,010 1,310 350 146 114 131 180 193
16 446 287 574 1,180 2,110 1,330 334 145 114 132 187 189
17 451 293 571 1,150 2,220 1,310 320 141 111 128 187 186
18 358 283 572 1,140 2,240 1,240 308 139 114 125 192 185
19 319 277 607 1,160 2,180 1,170 294 138 116 125 201 184
20 295 280 570 1,240 2,170 1,110 284 137 115 128 209 182
21 273 284 538 1,320 2,140 1,050 271 137 116 130 227 191
22 259 323 529 1,350 2,130 995 260 134 119 137 236 202
23 245 316 561 1,410 2,080 949 249 134 117 142 246 249
24 240 302 547 1,490 2,060 909 239 133 117 139 265 241
25 243 288 551 1,540 2,040 869 232 129 117 137 271 209
26 233 277 563 1,550 2,060 825 224 133 118 136 250 198
27 234 275 564 1,540 2,100 781 218 132 115 140 237 188
28 232 296 593 1,480 2,120 756 211 131 114 145 224 181
29 232 395 617 1,460 2,080 738 204 125 115 143 228 180
30 240   663 1,470 2,040 693 198 122 116 138 209 170
31 275   736   1,970   192 121   139   165