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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 06040800 Madison River ab powerplant nr McAllister MT


Madison County, Montana
Hydrologic Unit Code 10020007
Latitude  45°29'11.74", Longitude 111°38'01.89" NAD83
Drainage area 2,150.2  square miles
Gage datum 4,690 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 2001-10-01 -> 2021-09-30)

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
1 271 293 320 291 616 2,050 1,140 371 394 280 358 313
2 276 301 272 330 670 2,120 1,010 381 410 270 376 308
3 272 296 247 359 626 2,090 934 324 375 271 390 306
4 264 288 262 363 645 2,050 998 317 344 273 417 326
5 276 294 257 356 648 2,150 1,000 302 346 297 454 331
6 296 315 245 353 619 2,180 883 303 338 312 489 320
7 288 319 248 345 695 2,280 809 294 329 291 454 322
8 289 312 245 339 758 2,230 772 270 335 288 427 329
9 287 308 247 369 757 2,070 720 251 348 289 422 338
10 302 303 254 377 733 1,960 714 249 361 277 426 314
11 315 301 257 360 759 1,830 698 251 351 270 473 301
12 297 288 263 356 827 1,670 672 249 343 281 477 309
13 285 284 259 374 880 1,630 652 263 343 295 456 314
14 290 293 265 365 900 1,520 598 268 354 292 443 318
15 284 307 292 385 965 1,430 654 229 377 271 416 331
16 319 326 309 435 1,080 1,450 634 200 364 268 364 339
17 295 331 294 479 1,140 1,500 609 201 380 261 365 333
18 315 313 273 487 1,170 1,460 585 217 379 264 368 329
19 336 283 262 463 1,270 1,490 526 218 374 264 358 344
20 385 265 257 450 1,410 1,420 555 209 385 301 330 364
21 416 267 248 497 1,540 1,350 598 219 401 370 333 354
22 427 284 248 536 1,520 1,380 601 216 402 403 322 330
23 362 316 252 559 1,490 1,370 557 231 329 380 325 317
24 327 324 264 577 1,540 1,400 499 218 327 383 335 296
25 295 324 247 584 1,610 1,350 483 221 310 404 332 276
26 302 289 258 585 1,610 1,280 438 221 301 382 331 276
27 332 287 274 586 1,610 1,270 473 215 306 353 326 286
28 346 307 274 580 1,640 1,170 485 242 319 358 333 280
29 359 408 267 557 1,660 1,200 447 233 317 353 339 292
30 351   256 576 1,780 1,180 419 239 284 343 322 284
31 318   252   1,850   399 317   342   277