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USGS Surface-Water Daily Statistics for the Nation

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 -> 2024-09-30)

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
1 162 276 290 783 1,490 1,890 636 186 121 115 148 196
2 156 255 291 809 1,520 1,900 600 187 122 111 149 196
3 153 249 289 822 1,600 1,880 575 181 119 112 155 204
4 152 250 287 833 1,670 1,830 550 175 118 117 161 208
5 156 263 287 849 1,790 1,760 523 171 119 112 164 210
6 166 258 302 899 1,860 1,710 498 168 118 110 171 197
7 173 256 309 979 1,920 1,650 476 167 115 110 212 189
8 184 269 306 996 1,890 1,580 452 162 114 114 205 185
9 192 273 314 1,030 1,930 1,560 428 157 112 121 188 191
10 173 295 342 1,070 1,930 1,480 409 154 111 117 199 184
11 168 294 344 1,070 1,920 1,370 397 151 111 121 202 192
12 165 279 368 1,080 1,920 1,330 386 148 110 136 217 192
13 172 271 405 1,100 1,920 1,310 373 148 110 133 211 189
14 199 267 417 1,140 1,920 1,300 359 146 111 132 190 192
15 252 262 473 1,180 1,970 1,290 342 143 112 128 183 189
16 420 273 558 1,140 2,080 1,300 327 142 112 128 190 185
17 423 277 555 1,120 2,180 1,280 313 139 109 125 188 182
18 339 269 558 1,110 2,200 1,210 301 137 112 123 192 179
19 303 264 592 1,130 2,140 1,140 288 136 113 123 202 180
20 282 267 559 1,200 2,120 1,080 278 135 114 125 209 179
21 263 272 530 1,280 2,090 1,020 266 136 114 127 223 187
22 249 310 521 1,310 2,070 971 255 134 118 133 230 197
23 236 303 550 1,360 2,010 926 244 133 117 138 240 240
24 231 290 540 1,440 2,000 887 235 132 115 135 256 232
25 233 276 546 1,490 1,980 847 228 128 115 133 260 202
26 223 268 557 1,500 2,000 804 220 132 116 132 241 194
27 224 266 559 1,500 2,050 762 214 130 113 136 229 187
28 222 285 590 1,450 2,080 738 208 129 112 141 219 184
29 223 395 616 1,430 2,030 720 201 124 113 143 223 179
30 230   661 1,460 1,990 675 195 122 115 139 206 169
31 262   728   1,920   189 120   138   164