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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 06307616 Tongue R at Birney Day School Br nr Birney MT


Rosebud County, Montana
Hydrologic Unit Code 10090102
Latitude  45°24'41.78", Longitude 106°27'26.47" NAD83
Drainage area 2,634  square miles
Gage datum 3,060 feet above NAVD88
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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 1979-10-01 -> 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
1 160 161 189 253 335 1,460 888 415 349 254 223 193
2 161 160 186 255 355 1,430 868 408 344 246 223 194
3 160 158 183 250 367 1,450 853 405 343 246 224 196
4 158 159 186 253 386 1,460 825 405 338 244 226 185
5 157 162 203 259 403 1,500 795 401 330 242 225 178
6 156 161 211 261 401 1,550 753 395 323 243 223 173
7 154 164 226 267 410 1,550 723 393 320 237 224 174
8 156 170 215 267 419 1,600 680 393 320 236 223 173
9 157 172 209 268 428 1,630 650 393 316 234 223 170
10 157 175 209 279 454 1,610 631 390 315 232 222 168
11 160 174 211 277 496 1,600 619 389 308 232 230 171
12 164 174 238 273 500 1,600 603 386 304 231 227 172
13 170 175 245 278 528 1,600 594 390 302 233 220 171
14 171 176 244 281 579 1,520 591 385 302 239 214 171
15 168 175 237 285 616 1,430 586 384 299 250 213 169
16 167 173 237 286 638 1,380 570 384 295 234 214 169
17 165 175 234 293 633 1,380 548 379 290 224 211 169
18 165 178 242 299 646 1,390 530 377 292 220 212 168
19 164 178 249 307 703 1,380 501 380 293 228 208 165
20 162 177 247 304 751 1,360 487 378 289 223 204 164
21 163 177 243 308 795 1,350 479 378 286 221 206 167
22 166 183 234 309 836 1,330 480 376 288 221 206 163
23 168 204 233 308 889 1,280 473 370 284 223 206 163
24 169 189 233 309 934 1,250 462 363 286 221 207 165
25 168 186 231 309 976 1,220 474 363 280 223 206 164
26 165 194 230 312 1,030 1,170 442 363 285 225 205 162
27 163 199 231 316 1,080 1,110 432 361 278 226 204 163
28 164 193 237 324 1,140 1,040 422 358 269 224 201 160
29 164 207 246 327 1,260 981 421 358 268 224 198 159
30 164   249 331 1,390 931 418 354 265 222 196 160
31 163   252   1,480   415 350   222   160