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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 06018500 Beaverhead River near Twin Bridges MT


Madison County, Montana
Hydrologic Unit Code 10020002
Latitude  45°23'00.20", Longitude 112°27'10.19" NAD83
Drainage area 3,618  square miles
Gage datum 4,809.15 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 1934-10-01 -> 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
1 387 370 396 466 332 270 321 172 297 376 469 480
2 382 375 395 464 330 268 304 171 301 373 474 484
3 380 378 396 459 323 276 297 177 302 371 481 484
4 379 375 397 454 314 291 298 179 299 374 488 480
5 377 380 399 457 309 299 299 181 307 376 489 472
6 379 383 402 464 300 306 287 185 312 375 492 462
7 379 386 408 461 291 314 273 185 317 373 494 461
8 381 387 408 457 288 322 260 186 320 376 498 453
9 380 380 408 452 284 340 253 191 320 376 499 447
10 376 378 408 445 280 359 253 195 322 376 500 449
11 369 381 406 439 273 360 249 195 330 376 500 444
12 368 388 409 435 274 368 254 204 333 380 499 443
13 369 386 411 431 269 353 249 202 336 380 496 437
14 373 383 411 425 264 353 245 202 340 377 498 430
15 374 380 412 427 254 351 240 203 343 386 497 430
16 373 381 419 425 249 356 235 205 342 397 496 426
17 376 383 427 420 252 367 228 203 341 401 498 424
18 374 386 431 415 245 361 226 203 345 401 501 423
19 371 389 441 408 232 354 220 205 355 405 502 422
20 369 389 447 404 233 335 214 211 364 413 504 423
21 371 394 446 398 238 330 207 216 366 418 506 426
22 367 396 446 390 249 331 204 221 362 420 501 425
23 372 396 452 387 251 325 202 232 365 426 495 423
24 373 395 463 377 257 321 193 243 367 437 495 413
25 370 393 469 368 258 321 188 251 365 443 500 409
26 368 393 471 362 255 321 182 258 367 447 494 404
27 368 391 476 352 254 326 177 262 366 447 490 401
28 367 396 471 342 250 328 171 265 371 451 486 401
29 365 429 468 336 258 326 170 266 374 453 481 397
30 367   462 334 269 326 170 276 376 456 477 393
31 368   462   272   170 289   462   391