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Hydrograph River at a Glance Download
Yaak River near Troy Stage (ft)Flow (kcfs)Observed: 5.69 ft at 7:45AM Mar 26, 2015Observed: 5.67 ft at 8:00AM Mar 26, 2015Observed: 5.68 ft at 8:15AM Mar 26, 2015Observed: 5.67 ft at 8:30AM Mar 26, 2015Observed: 5.68 ft at 8:45AM Mar 26, 2015Observed: 5.67 ft at 9:00AM Mar 26, 2015Observed: 5.67 ft at 9:15AM Mar 26, 2015Observed: 5.68 ft at 9:30AM Mar 26, 2015Observed: 5.68 ft at 9:45AM Mar 26, 2015Observed: 5.67 ft at 10:00AM Mar 26, 2015Observed: 5.66 ft at 10:15AM Mar 26, 2015Observed: 5.67 ft at 10:30AM Mar 26, 2015Observed: 5.65 ft at 10:45AM Mar 26, 2015Observed: 5.66 ft at 11:00AM Mar 26, 2015Observed: 5.66 ft at 11:15AM Mar 26, 2015Observed: 5.66 ft at 11:30AM Mar 26, 2015Observed: 5.66 ft at 11:45AM Mar 26, 2015Observed: 5.66 ft at 12:00PM Mar 26, 2015Observed: 5.66 ft at 12:15PM Mar 26, 2015Observed: 5.67 ft at 12:30PM Mar 26, 2015Observed: 5.65 ft at 12:45PM Mar 26, 2015Observed: 5.66 ft at 1:00PM Mar 26, 2015Observed: 5.67 ft at 1:15PM Mar 26, 2015Observed: 5.66 ft at 1:30PM Mar 26, 2015Observed: 5.66 ft at 1:45PM Mar 26, 2015Observed: 5.65 ft at 2:00PM Mar 26, 2015Observed: 5.66 ft at 2:15PM Mar 26, 2015Observed: 5.65 ft at 2:30PM Mar 26, 2015Observed: 5.66 ft at 2:45PM Mar 26, 2015Observed: 5.65 ft at 3:00PM Mar 26, 2015Observed: 5.67 ft at 3:15PM Mar 26, 2015Observed: 5.66 ft at 3:30PM Mar 26, 2015Observed: 5.64 ft at 3:45PM Mar 26, 2015Observed: 5.65 ft at 4:00PM Mar 26, 2015Observed: 5.66 ft at 4:15PM Mar 26, 2015Observed: 5.65 ft at 4:30PM Mar 26, 2015Observed: 5.65 ft at 4:45PM Mar 26, 2015Observed: 5.66 ft at 5:00PM Mar 26, 2015Observed: 5.67 ft at 5:15PM Mar 26, 2015Observed: 5.65 ft at 5:30PM Mar 26, 2015Observed: 5.68 ft at 5:45PM Mar 26, 2015Observed: 5.67 ft at 6:00PM Mar 26, 2015Observed: 5.65 ft at 6:15PM Mar 26, 2015Observed: 5.65 ft at 6:30PM Mar 26, 2015Observed: 5.65 ft at 6:45PM Mar 26, 2015Observed: 5.66 ft at 7:00PM Mar 26, 2015Observed: 5.66 ft at 7:15PM Mar 26, 2015Observed: 5.65 ft at 7:30PM Mar 26, 2015Observed: 5.65 ft at 7:45PM Mar 26, 2015Observed: 5.66 ft at 8:00PM Mar 26, 2015Observed: 5.64 ft at 8:15PM Mar 26, 2015Observed: 5.66 ft at 8:30PM Mar 26, 2015Observed: 5.65 ft at 8:45PM Mar 26, 2015Observed: 5.64 ft at 9:00PM Mar 26, 2015Observed: 5.66 ft at 9:15PM Mar 26, 2015Observed: 5.66 ft at 9:30PM Mar 26, 2015Observed: 5.66 ft at 9:45PM Mar 26, 2015Observed: 5.64 ft at 10:00PM Mar 26, 2015Observed: 5.64 ft at 10:15PM Mar 26, 2015Observed: 5.65 ft at 10:30PM Mar 26, 2015Observed: 5.64 ft at 10:45PM Mar 26, 2015Observed: 5.65 ft at 11:00PM Mar 26, 2015Observed: 5.66 ft at 11:15PM Mar 26, 2015Observed: 5.65 ft at 11:30PM Mar 26, 2015Observed: 5.66 ft at 11:45PM Mar 26, 2015Observed: 5.64 ft at 12:00AM Mar 27, 2015Observed: 5.65 ft at 12:15AM Mar 27, 2015Observed: 5.65 ft at 12:30AM Mar 27, 2015Observed: 5.65 ft at 12:45AM Mar 27, 2015Observed: 5.65 ft at 1:00AM Mar 27, 2015Observed: 5.65 ft at 1:15AM Mar 27, 2015Observed: 5.65 ft at 1:30AM Mar 27, 2015Observed: 5.63 ft at 1:45AM Mar 27, 2015Observed: 5.66 ft at 2:00AM Mar 27, 2015Observed: 5.65 ft at 2:15AM Mar 27, 2015Observed: 5.65 ft at 2:30AM Mar 27, 2015Observed: 5.65 ft at 2:45AM Mar 27, 2015Observed: 5.66 ft at 3:00AM Mar 27, 2015Observed: 5.65 ft at 3:15AM Mar 27, 2015Observed: 5.64 ft at 3:30AM Mar 27, 2015Observed: 5.64 ft at 3:45AM Mar 27, 2015Observed: 5.65 ft at 4:00AM Mar 27, 2015Observed: 5.65 ft at 4:15AM Mar 27, 2015Observed: 5.65 ft at 4:30AM Mar 27, 2015Observed: 5.65 ft at 4:45AM Mar 27, 2015Observed: 5.65 ft at 5:00AM Mar 27, 2015Observed: 5.65 ft at 5:15AM Mar 27, 2015Observed: 5.64 ft at 5:30AM Mar 27, 2015Observed: 5.65 ft at 5:45AM Mar 27, 2015Observed: 5.63 ft at 6:00AM Mar 27, 2015Observed: 5.63 ft at 6:15AM Mar 27, 2015Observed: 5.65 ft at 6:30AM Mar 27, 2015Observed: 5.63 ft at 6:45AM Mar 27, 2015Observed: 5.64 ft at 7:00AM Mar 27, 2015Observed: 5.65 ft at 7:15AM Mar 27, 2015Observed: 5.65 ft at 7:30AM Mar 27, 2015Observed: 5.66 ft at 7:45AM Mar 27, 2015Observed: 5.64 ft at 8:00AM Mar 27, 2015Observed: 5.64 ft at 8:15AM Mar 27, 2015Observed: 5.65 ft at 8:30AM Mar 27, 2015Observed: 5.65 ft at 8:45AM Mar 27, 2015Observed: 5.66 ft at 9:00AM Mar 27, 2015Observed: 5.64 ft at 9:15AM Mar 27, 2015Observed: 5.66 ft at 9:30AM Mar 27, 2015Observed: 5.65 ft at 9:45AM Mar 27, 2015Observed: 5.65 ft at 10:00AM Mar 27, 2015Observed: 5.65 ft at 10:15AM Mar 27, 2015Observed: 5.64 ft at 10:30AM Mar 27, 2015Observed: 5.65 ft at 10:45AM Mar 27, 2015Observed: 5.66 ft at 11:00AM Mar 27, 2015Observed: 5.65 ft at 11:15AM Mar 27, 2015Observed: 5.66 ft at 11:30AM Mar 27, 2015Observed: 5.66 ft at 11:45AM Mar 27, 2015Observed: 5.64 ft at 12:00PM Mar 27, 2015Observed: 5.64 ft at 12:15PM Mar 27, 2015Observed: 5.66 ft at 12:30PM Mar 27, 2015Observed: 5.65 ft at 12:45PM Mar 27, 2015Observed: 5.66 ft at 1:00PM Mar 27, 2015Observed: 5.63 ft at 1:15PM Mar 27, 2015Observed: 5.65 ft at 1:30PM Mar 27, 2015Observed: 5.64 ft at 1:45PM Mar 27, 2015Observed: 5.64 ft at 2:00PM Mar 27, 2015Observed: 5.65 ft at 2:15PM Mar 27, 2015Observed: 5.65 ft at 2:30PM Mar 27, 2015Observed: 5.64 ft at 2:45PM Mar 27, 2015Observed: 5.64 ft at 3:00PM Mar 27, 2015Observed: 5.65 ft at 3:15PM Mar 27, 2015Observed: 5.66 ft at 3:30PM Mar 27, 2015Observed: 5.64 ft at 3:45PM Mar 27, 2015Observed: 5.64 ft at 4:00PM Mar 27, 2015Observed: 5.64 ft at 4:15PM Mar 27, 2015Observed: 5.63 ft at 4:30PM Mar 27, 2015Observed: 5.66 ft at 4:45PM Mar 27, 2015Observed: 5.64 ft at 5:00PM Mar 27, 2015Observed: 5.65 ft at 5:15PM Mar 27, 2015Observed: 5.64 ft at 5:30PM Mar 27, 2015Observed: 5.65 ft at 5:45PM Mar 27, 2015Observed: 5.65 ft at 6:00PM Mar 27, 2015Observed: 5.65 ft at 6:15PM Mar 27, 2015Observed: 5.65 ft at 6:30PM Mar 27, 2015Observed: 5.65 ft at 6:45PM Mar 27, 2015Observed: 5.66 ft at 7:00PM Mar 27, 2015Observed: 5.66 ft at 7:15PM Mar 27, 2015Observed: 5.65 ft at 7:30PM Mar 27, 2015Observed: 5.65 ft at 7:45PM Mar 27, 2015Observed: 5.65 ft at 8:00PM Mar 27, 2015Observed: 5.65 ft at 8:15PM Mar 27, 2015Observed: 5.65 ft at 8:30PM Mar 27, 2015Observed: 5.65 ft at 8:45PM Mar 27, 2015Observed: 5.66 ft at 9:00PM Mar 27, 2015Observed: 5.65 ft at 9:15PM Mar 27, 2015Observed: 5.66 ft at 9:30PM Mar 27, 2015Observed: 5.66 ft at 9:45PM Mar 27, 2015Observed: 5.66 ft at 10:00PM Mar 27, 2015Observed: 5.68 ft at 10:15PM Mar 27, 2015Observed: 5.67 ft at 10:30PM Mar 27, 2015Observed: 5.66 ft at 10:45PM Mar 27, 2015Observed: 5.67 ft at 11:00PM Mar 27, 2015Observed: 5.66 ft at 11:15PM Mar 27, 2015Observed: 5.67 ft at 11:30PM Mar 27, 2015Observed: 5.68 ft at 11:45PM Mar 27, 2015Observed: 5.68 ft at 12:00AM Mar 28, 2015Observed: 5.68 ft at 12:15AM Mar 28, 2015Observed: 5.69 ft at 12:30AM Mar 28, 2015Observed: 5.68 ft at 12:45AM Mar 28, 2015Observed: 5.68 ft at 1:00AM Mar 28, 2015Observed: 5.68 ft at 1:15AM Mar 28, 2015Observed: 5.68 ft at 1:30AM Mar 28, 2015Observed: 5.68 ft at 1:45AM Mar 28, 2015Observed: 5.69 ft at 2:00AM Mar 28, 2015Observed: 5.7 ft at 2:15AM Mar 28, 2015Observed: 5.69 ft at 2:30AM Mar 28, 2015Observed: 5.69 ft at 2:45AM Mar 28, 2015Observed: 5.7 ft at 3:00AM Mar 28, 2015Observed: 5.69 ft at 3:15AM Mar 28, 2015Observed: 5.72 ft at 3:30AM Mar 28, 2015Observed: 5.71 ft at 3:45AM Mar 28, 2015Observed: 5.7 ft at 4:00AM Mar 28, 2015Observed: 5.71 ft at 4:15AM Mar 28, 2015Observed: 5.72 ft at 4:30AM Mar 28, 2015Observed: 5.73 ft at 4:45AM Mar 28, 2015Observed: 5.73 ft at 5:00AM Mar 28, 2015Observed: 5.75 ft at 5:15AM Mar 28, 2015Observed: 5.74 ft at 5:30AM Mar 28, 2015Observed: 5.77 ft at 5:45AM Mar 28, 2015Observed: 5.76 ft at 6:00AM Mar 28, 2015Observed: 5.78 ft at 6:15AM Mar 28, 2015Observed: 5.78 ft at 6:30AM Mar 28, 2015Observed: 5.79 ft at 6:45AM Mar 28, 2015Observed: 5.81 ft at 7:00AM Mar 28, 2015Observed: 5.82 ft at 7:15AM Mar 28, 2015Observed: 5.83 ft at 7:30AM Mar 28, 2015Observed: 5.85 ft at 7:45AM Mar 28, 2015Observed: 5.84 ft at 8:00AM Mar 28, 2015Observed: 5.87 ft at 8:15AM Mar 28, 2015Observed: 5.9 ft at 8:30AM Mar 28, 2015Observed: 5.91 ft at 8:45AM Mar 28, 2015Observed: 5.92 ft at 9:00AM Mar 28, 2015Observed: 5.96 ft at 9:15AM Mar 28, 2015Observed: 5.99 ft at 9:30AM Mar 28, 2015Observed: 5.99 ft at 9:45AM Mar 28, 2015Observed: 6.01 ft at 10:00AM Mar 28, 2015Observed: 6.03 ft at 10:15AM Mar 28, 2015Observed: 6.06 ft at 10:30AM Mar 28, 2015Observed: 6.09 ft at 10:45AM Mar 28, 2015Observed: 6.11 ft at 11:00AM Mar 28, 2015Observed: 6.12 ft at 11:15AM Mar 28, 2015Observed: 6.15 ft at 11:30AM Mar 28, 2015Observed: 6.18 ft at 11:45AM Mar 28, 2015Observed: 6.19 ft at 12:00PM Mar 28, 2015Observed: 6.22 ft at 12:15PM Mar 28, 2015Observed: 6.24 ft at 12:30PM Mar 28, 2015Observed: 6.26 ft at 12:45PM Mar 28, 2015Observed: 6.27 ft at 1:00PM Mar 28, 2015Observed: 6.28 ft at 1:15PM Mar 28, 2015Observed: 6.3 ft at 1:30PM Mar 28, 2015Observed: 6.32 ft at 1:45PM Mar 28, 2015Observed: 6.35 ft at 2:00PM Mar 28, 2015Observed: 6.35 ft at 2:15PM Mar 28, 2015Observed: 6.35 ft at 2:30PM Mar 28, 2015Observed: 6.37 ft at 2:45PM Mar 28, 2015Observed: 6.38 ft at 3:00PM Mar 28, 2015Observed: 6.4 ft at 3:15PM Mar 28, 2015Observed: 6.4 ft at 3:30PM Mar 28, 2015Observed: 6.42 ft at 3:45PM Mar 28, 2015Observed: 6.4 ft at 4:00PM Mar 28, 2015Observed: 6.41 ft at 4:15PM Mar 28, 2015Observed: 6.4 ft at 4:30PM Mar 28, 2015Observed: 6.41 ft at 4:45PM Mar 28, 2015Observed: 6.43 ft at 5:00PM Mar 28, 2015Observed: 6.43 ft at 5:15PM Mar 28, 2015Observed: 6.43 ft at 5:30PM Mar 28, 2015Observed: 6.45 ft at 5:45PM Mar 28, 2015Observed: 6.43 ft at 6:00PM Mar 28, 2015Observed: 6.45 ft at 6:15PM Mar 28, 2015Observed: 6.45 ft at 6:30PM Mar 28, 2015Observed: 6.44 ft at 6:45PM Mar 28, 2015Observed: 6.44 ft at 7:00PM Mar 28, 2015Observed: 6.46 ft at 7:15PM Mar 28, 2015Observed: 6.46 ft at 7:30PM Mar 28, 2015Observed: 6.47 ft at 7:45PM Mar 28, 2015Observed: 6.46 ft at 8:00PM Mar 28, 2015Observed: 6.46 ft at 8:15PM Mar 28, 2015Observed: 6.46 ft at 8:30PM Mar 28, 2015Observed: 6.47 ft at 8:45PM Mar 28, 2015Observed: 6.5 ft at 9:00PM Mar 28, 2015Observed: 6.49 ft at 9:15PM Mar 28, 2015Observed: 6.48 ft at 9:30PM Mar 28, 2015Observed: 6.49 ft at 9:45PM Mar 28, 2015Observed: 6.48 ft at 10:00PM Mar 28, 2015Observed: 6.49 ft at 10:15PM Mar 28, 2015Observed: 6.5 ft at 10:30PM Mar 28, 2015Observed: 6.48 ft at 10:45PM Mar 28, 2015Observed: 6.49 ft at 11:00PM Mar 28, 2015Observed: 6.49 ft at 11:15PM Mar 28, 2015Observed: 6.51 ft at 11:30PM Mar 28, 2015Observed: 6.51 ft at 11:45PM Mar 28, 2015Observed: 6.5 ft at 12:00AM Mar 29, 2015Observed: 6.51 ft at 12:15AM Mar 29, 2015Observed: 6.52 ft at 12:30AM Mar 29, 2015Observed: 6.51 ft at 12:45AM Mar 29, 2015Observed: 6.5 ft at 1:00AM Mar 29, 2015Observed: 6.51 ft at 1:15AM Mar 29, 2015Observed: 6.51 ft at 1:30AM Mar 29, 2015Observed: 6.51 ft at 1:45AM Mar 29, 2015Highest Observation: 6.53 ft at 2:00AM Mar 29, 2015Observed: 6.51 ft at 2:15AM Mar 29, 2015Observed: 6.51 ft at 2:30AM Mar 29, 2015Observed: 6.51 ft at 2:45AM Mar 29, 2015Observed: 6.51 ft at 3:00AM Mar 29, 2015Observed: 6.5 ft at 3:15AM Mar 29, 2015Observed: 6.52 ft at 3:30AM Mar 29, 2015Observed: 6.51 ft at 3:45AM Mar 29, 2015Observed: 6.5 ft at 4:00AM Mar 29, 2015Observed: 6.51 ft at 4:15AM Mar 29, 2015Observed: 6.5 ft at 4:30AM Mar 29, 2015Highest Observation: 6.53 ft at 4:45AM Mar 29, 2015Observed: 6.52 ft at 5:00AM Mar 29, 2015Observed: 6.52 ft at 5:15AM Mar 29, 2015Observed: 6.51 ft at 5:30AM Mar 29, 2015Observed: 6.51 ft at 5:45AM Mar 29, 2015Observed: 6.52 ft at 6:00AM Mar 29, 2015Observed: 6.52 ft at 6:15AM Mar 29, 2015Observed: 6.49 ft at 6:30AM Mar 29, 2015Observed: 6.51 ft at 6:45AM Mar 29, 2015Forecast: 6.78 ft 12:00PM Mar 29, 2015Forecast: 6.83 ft 6:00PM Mar 29, 2015Highest Forecast: 6.85 ft 12:00AM Mar 30, 2015Forecast: 6.83 ft 6:00AM Mar 30, 2015Forecast: 6.8 ft 12:00PM Mar 30, 2015Forecast: 6.77 ft 6:00PM Mar 30, 2015Forecast: 6.74 ft 12:00AM Mar 31, 2015Forecast: 6.71 ft 6:00AM Mar 31, 2015Forecast: 6.69 ft 12:00PM Mar 31, 2015Forecast: 6.68 ft 6:00PM Mar 31, 2015Forecast: 6.68 ft 12:00AM Apr 01, 2015Forecast: 6.68 ft 6:00AM Apr 01, 2015Forecast: 6.69 ft 12:00PM Apr 01, 2015Forecast: 6.7 ft 6:00PM Apr 01, 2015Forecast: 6.68 ft 12:00AM Apr 02, 2015Forecast: 6.65 ft 6:00AM Apr 02, 2015Forecast: 6.59 ft 12:00PM Apr 02, 2015Forecast: 6.53 ft 6:00PM Apr 02, 2015Forecast: 6.46 ft 12:00AM Apr 03, 2015Forecast: 6.39 ft 6:00AM Apr 03, 2015Forecast: 6.31 ft 12:00PM Apr 03, 2015Forecast: 6.24 ft 6:00PM Apr 03, 2015Forecast: 6.17 ft 12:00AM Apr 04, 2015Forecast: 6.11 ft 6:00AM Apr 04, 2015Forecast: 6.05 ft 12:00PM Apr 04, 2015Forecast: 6 ft 6:00PM Apr 04, 2015Forecast: 5.96 ft 12:00AM Apr 05, 2015Forecast: 5.92 ft 6:00AM Apr 05, 2015USGS--Water Resources of the United StatesTRYM8(plotting HGIRG) Graph Created (7:30AM Mar 29, 2015)ObservedForecast (issued 9:29AM Mar 28)Latest observed value: 6.51 ft at 6:45 AM MDT 29-Mar-2015. Flood Stage is 8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Yaak River near Troy are issued routinely year-round.
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Flood Categories (in feet)
Major Flood Stage: 10
Moderate Flood Stage: 9
Flood Stage: 8
Action Stage: 7.5
Low Stage (in feet): 0

Historic Crests
(1) 11.40 ft on 05/20/1954
(2) 11.10 ft on 05/27/1948
(3) 9.70 ft on 05/21/1956
(4) 9.58 ft on 05/17/1997
(5) 9.07 ft on 05/22/1967
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.52 ft on 04/27/2012
(2) 8.23 ft on 05/16/2011
(3) 8.53 ft on 05/21/2008
(4) 7.92 ft on 03/25/2007
(5) 8.59 ft on 04/15/2002
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.70 ft on 12/09/1972
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
8.5 Flooding affects low lying areas adjacent to the river including homes and access roads. Sylvanite ranger station road and upper ford road affected by flooding.
8 Flooding affects low lying areas adjacent to the river.
About This Location Collapse

Latitude: 48.561944° N, Longitude: 115.969167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1839.2 ft 1847.2 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808
(406) 329-4840
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Page last modified: 12-Feb-2015 9:32 PM
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