Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Montana

Click to hide state-specific text

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 12344000 Bitterroot River near Darby MT


Ravalli County, Montana
Hydrologic Unit Code 17010205
Latitude  45°58'19.38", Longitude 114°08'28.44" NAD83
Drainage area 1,050  square miles
Gage datum 3,942.14 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1936-10-01 -> 2023-09-30)

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
1 242 265 285 557 1,650 3,840 1,750 512 388 326 333 297
2 242 264 289 581 1,690 3,800 1,670 501 384 330 334 309
3 244 259 294 589 1,780 3,880 1,620 491 379 330 332 310
4 241 258 295 605 1,880 3,900 1,550 480 372 328 332 298
5 247 257 295 632 1,970 3,890 1,480 471 369 324 331 279
6 252 253 303 664 2,060 3,890 1,400 464 375 323 327 275
7 256 261 302 697 2,180 3,810 1,340 457 377 324 357 272
8 261 272 305 731 2,280 3,690 1,270 446 379 322 363 268
9 256 280 308 755 2,350 3,550 1,210 437 376 326 331 266
10 251 279 323 773 2,440 3,420 1,160 434 367 327 326 274
11 249 275 327 789 2,530 3,310 1,110 432 361 329 319 278
12 247 271 328 813 2,570 3,230 1,050 433 355 340 311 280
13 251 269 338 841 2,650 3,250 1,000 432 358 343 320 286
14 254 267 343 888 2,760 3,160 957 430 353 343 310 286
15 254 265 350 934 2,870 3,100 902 424 359 341 304 285
16 255 268 364 951 3,030 3,040 856 421 357 346 303 280
17 260 269 373 982 3,220 3,000 817 414 356 345 302 272
18 256 267 378 1,040 3,340 2,900 782 411 356 337 304 265
19 253 268 386 1,100 3,470 2,820 746 409 354 336 304 263
20 249 276 390 1,170 3,570 2,750 718 412 352 332 302 263
21 245 278 398 1,220 3,570 2,660 684 409 351 329 297 268
22 247 280 412 1,280 3,530 2,580 657 408 346 338 289 268
23 248 275 433 1,320 3,560 2,470 631 417 342 355 296 272
24 249 276 441 1,380 3,660 2,400 604 417 336 346 317 266
25 245 277 448 1,400 3,700 2,290 588 407 330 346 312 258
26 239 282 464 1,400 3,800 2,190 566 403 327 348 307 259
27 241 283 471 1,420 3,900 2,100 551 397 322 341 299 260
28 239 283 478 1,460 3,960 1,990 545 391 321 341 292 255
29 240 311 492 1,520 4,010 1,920 534 389 319 340 286 253
30 242   508 1,590 4,020 1,850 527 386 320 331 294 254
31 253   531   3,940   525 386   333   250