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USGS Surface-Water 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).


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 -> 2019-09-30)

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
1 164 292 290 807 1,470 1,940 654 190 123 118 149 199
2 156 263 279 838 1,500 1,960 618 190 125 114 153 199
3 154 258 274 852 1,580 1,930 592 184 121 116 160 209
4 153 260 272 863 1,650 1,880 566 179 121 121 167 214
5 158 275 278 877 1,780 1,810 539 174 121 115 164 215
6 169 270 299 933 1,840 1,760 513 171 121 113 167 200
7 178 268 310 1,020 1,900 1,700 491 170 118 114 217 191
8 189 283 308 1,040 1,900 1,640 465 165 116 117 211 186
9 198 288 319 1,070 1,960 1,620 441 160 115 124 195 192
10 179 315 351 1,110 1,980 1,530 420 157 113 120 209 185
11 172 313 353 1,110 1,970 1,390 408 153 113 125 212 195
12 170 297 381 1,110 1,970 1,360 397 151 112 140 229 196
13 172 288 421 1,150 1,970 1,340 384 151 112 137 217 193
14 201 283 434 1,190 1,970 1,330 370 149 113 134 191 197
15 263 278 494 1,240 2,020 1,330 352 146 115 132 182 195
16 456 290 584 1,200 2,120 1,340 336 145 115 133 189 191
17 460 296 581 1,170 2,230 1,320 321 142 111 129 189 189
18 365 286 582 1,160 2,250 1,250 310 139 115 125 193 187
19 325 281 618 1,170 2,190 1,180 295 138 116 125 202 187
20 300 284 579 1,250 2,180 1,120 286 138 116 128 210 184
21 277 288 547 1,330 2,140 1,050 272 138 117 130 228 192
22 263 328 537 1,360 2,130 1,000 261 135 120 137 238 203
23 248 320 569 1,410 2,090 956 250 135 118 141 249 252
24 244 306 555 1,500 2,080 916 240 134 117 139 268 244
25 245 291 559 1,550 2,050 875 233 130 117 137 274 211
26 235 281 571 1,550 2,070 831 225 134 118 136 254 201
27 236 279 572 1,540 2,120 787 219 133 115 140 240 190
28 234 300 603 1,480 2,130 762 212 132 114 146 228 183
29 235 421 626 1,450 2,090 742 205 126 116 144 232 182
30 242   673 1,460 2,050 694 199 123 117 139 212 171
31 278   746   1,970   193 122   140   167