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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
1 387 370 396 465 331 268 319 171 297 376 469 480
2 382 375 395 463 328 266 302 170 301 373 474 484
3 380 378 396 458 321 273 294 176 302 371 481 484
4 379 376 396 454 312 288 296 177 299 374 488 480
5 377 380 398 457 307 296 297 180 307 376 489 472
6 379 383 402 464 298 303 285 184 312 375 492 462
7 379 386 407 460 289 311 271 185 317 373 494 461
8 381 387 407 457 286 319 259 186 320 376 498 453
9 380 380 408 451 282 337 251 191 320 376 499 447
10 376 378 408 444 278 356 251 195 322 376 500 449
11 369 381 405 439 271 357 247 195 330 376 500 444
12 368 388 409 435 272 365 252 204 333 380 499 443
13 369 385 411 433 267 350 247 202 336 380 496 437
14 373 383 411 428 263 349 243 202 340 377 498 430
15 374 380 412 431 253 348 238 203 343 386 497 430
16 373 380 418 428 247 352 234 205 342 397 496 426
17 376 382 426 422 250 363 226 203 341 401 498 424
18 374 385 431 415 243 358 224 203 345 401 501 423
19 371 389 440 408 230 351 219 205 355 405 502 422
20 369 389 447 404 231 333 212 211 364 413 504 423
21 371 393 446 398 236 328 205 216 366 418 506 426
22 368 396 447 390 247 328 203 221 362 420 501 425
23 372 396 452 385 249 322 200 232 365 426 495 423
24 373 395 463 376 256 318 191 243 367 437 495 413
25 370 393 468 366 257 318 187 251 365 443 500 409
26 369 393 470 360 255 318 181 258 367 447 494 404
27 368 391 475 351 253 323 176 262 366 447 490 401
28 368 395 470 342 249 326 170 265 371 451 486 401
29 366 427 467 335 257 324 169 266 374 453 481 397
30 367   461 333 268 324 169 276 376 456 477 393
31 368   461   270   169 289   462   391