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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana 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 06307500 Tongue River at Tongue R Dam nr Decker MT


Big Horn County, Montana
Hydrologic Unit Code 10090101
Latitude  45°08'28.59", Longitude 106°46'16.88" NAD83
Drainage area 1,783  square miles
Gage datum 3,344.4 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 1938-10-01 -> 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
1 168 162 174 318 433 1,460 999 395 335 273 251 215
2 168 161 176 323 452 1,490 949 393 334 271 255 206
3 167 162 179 325 460 1,500 865 392 328 270 255 196
4 167 162 180 326 475 1,530 831 386 319 270 253 193
5 166 163 181 330 495 1,540 796 379 316 275 254 191
6 166 163 180 338 523 1,590 759 376 313 268 255 189
7 167 163 180 339 539 1,610 738 374 311 268 257 189
8 167 164 183 350 569 1,640 714 373 313 269 256 186
9 167 164 185 355 609 1,640 673 374 313 264 251 184
10 167 164 185 353 658 1,640 632 372 308 264 261 182
11 168 164 185 344 684 1,650 598 370 304 261 266 183
12 168 164 185 359 706 1,650 583 366 304 265 261 182
13 168 165 187 360 748 1,610 572 366 305 263 248 181
14 169 168 192 362 777 1,540 561 366 300 266 248 180
15 170 170 195 353 808 1,520 550 368 295 265 255 180
16 168 174 195 353 829 1,530 537 365 288 259 258 180
17 166 176 197 353 833 1,520 522 362 286 248 253 181
18 165 176 207 357 866 1,560 513 365 290 256 240 180
19 166 176 213 340 956 1,560 494 367 294 254 235 180
20 165 177 222 334 1,030 1,510 475 366 291 251 233 178
21 164 177 230 337 1,050 1,470 468 366 295 251 230 178
22 163 177 235 341 1,070 1,450 463 360 293 250 226 177
23 163 177 243 327 1,110 1,440 450 353 296 248 225 176
24 163 177 251 329 1,160 1,390 438 354 292 243 224 175
25 163 178 253 328 1,200 1,400 426 354 297 247 224 174
26 164 178 257 352 1,240 1,360 420 353 295 251 225 173
27 163 176 269 365 1,270 1,280 409 348 285 251 222 171
28 163 173 277 379 1,320 1,200 403 345 282 252 221 170
29 163 172 285 395 1,420 1,120 400 340 291 250 222 169
30 162   293 415 1,490 1,050 402 337 286 251 218 168
31 162   303   1,500   398 335   248   168