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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 12324600 Clark Fork at Garrison MT
Powell County, Montana
Hydrologic Unit Code 17010201
Latitude  46°31'11", Longitude 112°48'27" NAD27
Drainage area 1,550  square miles
Gage datum 4,300 feet above NGVD29
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
421988-08-12 12:45MDTYesasUSGS65.1 Unspecified NONE1Imported Channel 1UNSPother 65.1 UNSPUNSPUNSPunknUNSPUNSPUNSP
411988-08-02 14:15MDTYesasUSGS20.4 Unspecified NONE1Imported Channel 1UNSPother 20.4 UNSPUNSPUNSPunknUNSPUNSPUNSP
401987-08-04 13:35MDTYessqUSGS177 Unspecified NONE1Imported Channel 1UNSPother 177 UNSPUNSPUNSPunknUNSPUNSPUNSP
391986-10-21 10:00MDTYesjamUSGS388 Unspecified NONE1Imported Channel 1UNSPother 388 UNSPUNSPUNSPunknUNSPUNSPUNSP
381986-08-20 -- ----YesrrsUSGS87.1 Unspecified NONE1Imported Channel 1UNSPother 87.1 UNSPUNSPUNSPunknUNSPUNSPUNSP
371985-08-08 17:00MDTYesrrsUSGS77.2 Unspecified NONE1Imported Channel 1UNSPother 77.2 UNSPUNSPUNSPunknUNSPUNSPUNSP
361975-06-12 10:25MDTYesrrsUSGS28604.42 Unspecified NONE1Imported Channel 1UNSPother 2860 UNSPUNSPUNSPunknUNSPUNSPUNSP
351972-09-13 16:15MDTYesjhUSGS2521.44 Unspecified NONE1Imported Channel 1UNSPother 252 UNSPUNSPUNSPunknUNSPUNSPUNSP
341972-08-15 15:55MDTYesjhUSGS2271.38 Unspecified NONE1Imported Channel 1UNSPother 227 UNSPUNSPUNSPunknUNSPUNSPUNSP
331972-07-12 13:25MDTYesjhUSGS3501.54 Unspecified NONE1Imported Channel 1UNSPother 350 UNSPUNSPUNSPunknUNSPUNSPUNSP
321972-06-14 07:10MDTYesjhUSGS13102.78 Unspecified NONE1Imported Channel 1UNSPother 1310 UNSPUNSPUNSPunknUNSPUNSPUNSP
311972-05-16 09:45MDTYesjhUSGS12202.44 Unspecified NONE1Imported Channel 1UNSPother 1220 UNSPUNSPUNSPunknUNSPUNSPUNSP
301972-04-13 15:00MSTYesjhUSGS5932.02 Unspecified NONE1Imported Channel 1UNSPother 593 UNSPUNSPUNSPunknUNSPUNSPUNSP
291972-03-14 10:55MSTYesjhUSGS7152.16 Unspecified NONE1Imported Channel 1UNSPother 715 UNSPUNSPUNSPunknUNSPUNSPUNSP
281972-02-15 13:10MSTYesjhUSGS4732.42 Unspecified NONE1Imported Channel 1UNSPother 473 UNSPUNSPUNSPunknUNSPUNSPUNSP
271972-01-12 17:00MSTYesjhUSGS3171.68 Unspecified NONE1Imported Channel 1UNSPother 317 UNSPUNSPUNSPunknUNSPUNSPUNSP
261971-12-14 13:45MSTYesjhUSGS289 Unspecified NONE1Imported Channel 1UNSPother 289 UNSPUNSPUNSPunknUNSPUNSPUNSP
241971-10-18 15:40MDTYesroUSGS4091.69 Unspecified NONE1Imported Channel 1UNSPother 409 UNSPUNSPUNSPunknUNSPUNSPUNSP
231971-06-08 13:20MDTYesjrkUSGS11902.61 Unspecified NONE1Imported Channel 1UNSPother 1190 UNSPUNSPUNSPunknUNSPUNSPUNSP
221971-06-02 08:00MDTYeslrfUSGS14603.01 Unspecified NONE1Imported Channel 1UNSPother 1460 UNSPUNSPUNSPunknUNSPUNSPUNSP
211971-05-05 10:30MDTYesjrkUSGS11302.56 Unspecified NONE1Imported Channel 1UNSPother 1130 UNSPUNSPUNSPunknUNSPUNSPUNSP
201971-03-04 14:00MSTYesmlkUSGS422 Unspecified NONE1Imported Channel 1UNSPother 422 UNSPUNSPUNSPunknUNSPUNSPUNSP
191970-12-03 09:45MSTYeslrfUSGS3831.81 Unspecified NONE1Imported Channel 1UNSPother 383 UNSPUNSPUNSPunknUNSPUNSPUNSP
181970-11-05 10:50MSTYesjrkUSGS3791.71 Unspecified NONE1Imported Channel 1UNSPother 379 UNSPUNSPUNSPunknUNSPUNSPUNSP
171970-10-19 -- ----YesroUSGS378 Unspecified NONE1Imported Channel 1UNSPother 378 UNSPUNSPUNSPunknUNSPUNSPUNSP
161970-10-08 11:15MDTYesjrkUSGS31811.12 Unspecified NONE1Imported Channel 1UNSPother 318 UNSPUNSPUNSPunknUNSPUNSPUNSP
151970-09-11 11:10MDTYesjrkUSGS22811.30 Unspecified NONE1Imported Channel 1UNSPother 228 UNSPUNSPUNSPunknUNSPUNSPUNSP
141970-08-06 14:30MDTYeslrfUSGS37610.85 Unspecified NONE1Imported Channel 1UNSPother 376 UNSPUNSPUNSPunknUNSPUNSPUNSP
131970-07-13 11:00MDTYesjrkUSGS51010.85 Unspecified NONE1Imported Channel 1UNSPother 510 UNSPUNSPUNSPunknUNSPUNSPUNSP
121970-06-11 12:10MDTYesjrkUSGS16309.20 Unspecified NONE1Imported Channel 1UNSPother 1630 UNSPUNSPUNSPunknUNSPUNSPUNSP
111970-05-14 13:15MDTYeslrfUSGS93510.30 Unspecified NONE1Imported Channel 1UNSPother 935 UNSPUNSPUNSPunknUNSPUNSPUNSP
101970-04-16 15:00MSTYesjrkUSGS49610.90 Unspecified NONE1Imported Channel 1UNSPother 496 UNSPUNSPUNSPunknUNSPUNSPUNSP
91970-03-18 14:50MSTYesjrkUSGS39511.15 Unspecified NONE1Imported Channel 1UNSPother 395 UNSPUNSPUNSPunknUNSPUNSPUNSP
81970-02-12 13:30MSTYeslrfUSGS37711.10 Unspecified NONE1Imported Channel 1UNSPother 377 UNSPUNSPUNSPunknUNSPUNSPUNSP
71970-01-16 10:30MSTYeslrfUSGS36310.60 Unspecified NONE1Imported Channel 1UNSPother 363 UNSPUNSPUNSPunknUNSPUNSPUNSP
61969-12-30 14:00MSTYeslrfUSGS30811.00 Unspecified NONE1Imported Channel 1UNSPother 308 UNSPUNSPUNSPunknUNSPUNSPUNSP
51969-11-13 14:10MSTYesjrkUSGS45610.88 Unspecified NONE1Imported Channel 1UNSPother 456 UNSPUNSPUNSPunknUNSPUNSPUNSP
41969-10-17 11:30MSTYesjrkUSGS38311.14 Unspecified NONE1Imported Channel 1UNSPother 383 UNSPUNSPUNSPunknUNSPUNSPUNSP
31969-09-18 23:00MSTYeslrfUSGS299 Unspecified NONE1Imported Channel 1UNSPother 299 UNSPUNSPUNSPunknUNSPUNSPUNSP
21969-08-15 09:20MSTYesjrkUSGS22911.25 Unspecified NONE1Imported Channel 1UNSPother 229 UNSPUNSPUNSPunknUNSPUNSPUNSP
11969-07-11 11:15MSTYesjrkUSGS1610 Unspecified NONE1Imported Channel 1UNSPother 1610 UNSPUNSPUNSPunknUNSPUNSPUNSP