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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 12324680 Clark Fork at Goldcreek MT


Powell County, Montana
Hydrologic Unit Code 17010201
Latitude  46°35'23.96", Longitude 112°55'43.37" NAD83
Drainage area 1,774  square miles
Gage datum 4,172.8 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 1977-10-01 -> 2025-09-30)

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
1 344 369 389 524 781 1,430 802 271 242 334 408 380
2 351 353 393 528 783 1,390 784 264 245 339 408 382
3 340 341 396 523 788 1,390 740 257 242 342 414 387
4 331 337 400 516 806 1,390 747 246 242 350 417 385
5 358 339 409 531 817 1,390 721 244 246 357 420 374
6 370 342 423 569 825 1,430 680 242 246 362 421 367
7 361 365 444 587 856 1,450 640 238 251 362 420 359
8 365 385 465 586 860 1,440 614 236 255 366 423 351
9 363 468 477 590 853 1,410 591 228 263 367 421 353
10 352 382 525 595 881 1,370 596 219 264 370 411 353
11 350 357 520 603 911 1,360 584 217 270 376 405 356
12 339 354 515 607 897 1,320 551 221 283 379 406 360
13 344 368 529 599 890 1,310 536 220 287 383 410 366
14 344 382 514 599 898 1,270 531 221 285 387 411 364
15 342 404 495 600 929 1,210 512 220 284 392 407 360
16 335 423 507 591 989 1,210 486 220 286 397 407 361
17 338 430 501 598 1,050 1,260 468 223 287 403 408 353
18 346 409 499 610 1,100 1,250 452 222 291 404 406 342
19 351 418 509 620 1,130 1,240 428 221 296 406 401 338
20 350 431 507 644 1,140 1,230 419 219 300 409 398 341
21 342 431 500 667 1,190 1,190 397 222 307 408 396 344
22 339 415 510 691 1,310 1,130 377 232 308 409 393 341
23 337 395 524 718 1,360 1,090 360 238 309 409 390 333
24 338 435 514 739 1,360 1,030 347 242 312 408 393 328
25 343 451 499 757 1,420 980 332 240 312 408 391 333
26 342 426 506 754 1,450 937 318 238 315 413 387 346
27 346 384 512 753 1,430 903 316 240 321 413 387 331
28 336 384 505 754 1,410 866 307 237 323 411 387 327
29 333 398 501 756 1,410 837 298 236 324 410 382 331
30 337   494 769 1,410 824 288 236 328 410 379 329
31 347   508   1,430   281 238   409   323