Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
NOAA National Weather Service's GIS Data and Product Survey... Click here to take the survey.


Hydrograph River at a Glance Download
Penobscot River above Grindstone Stage (ft)Flow (kcfs)Highest Observation: 5.84 ft at 9:15AM Mar 29, 2015Highest Observation: 5.84 ft at 9:30AM Mar 29, 2015Highest Observation: 5.84 ft at 9:45AM Mar 29, 2015Highest Observation: 5.84 ft at 10:00AM Mar 29, 2015Highest Observation: 5.84 ft at 10:15AM Mar 29, 2015Highest Observation: 5.84 ft at 10:30AM Mar 29, 2015Highest Observation: 5.84 ft at 10:45AM Mar 29, 2015Observed: 5.83 ft at 11:00AM Mar 29, 2015Highest Observation: 5.84 ft at 11:15AM Mar 29, 2015Observed: 5.83 ft at 11:30AM Mar 29, 2015Observed: 5.83 ft at 11:45AM Mar 29, 2015Observed: 5.83 ft at 12:00PM Mar 29, 2015Observed: 5.83 ft at 12:15PM Mar 29, 2015Observed: 5.83 ft at 12:30PM Mar 29, 2015Observed: 5.83 ft at 12:45PM Mar 29, 2015Observed: 5.83 ft at 1:00PM Mar 29, 2015Observed: 5.83 ft at 1:15PM Mar 29, 2015Observed: 5.83 ft at 1:30PM Mar 29, 2015Observed: 5.83 ft at 1:45PM Mar 29, 2015Observed: 5.83 ft at 2:00PM Mar 29, 2015Observed: 5.83 ft at 2:15PM Mar 29, 2015Observed: 5.82 ft at 2:30PM Mar 29, 2015Observed: 5.82 ft at 2:45PM Mar 29, 2015Observed: 5.82 ft at 3:00PM Mar 29, 2015Observed: 5.82 ft at 3:15PM Mar 29, 2015Observed: 5.82 ft at 3:30PM Mar 29, 2015Observed: 5.82 ft at 3:45PM Mar 29, 2015Observed: 5.82 ft at 4:00PM Mar 29, 2015Observed: 5.81 ft at 4:15PM Mar 29, 2015Observed: 5.81 ft at 4:30PM Mar 29, 2015Observed: 5.81 ft at 4:45PM Mar 29, 2015Observed: 5.81 ft at 5:00PM Mar 29, 2015Observed: 5.81 ft at 5:15PM Mar 29, 2015Observed: 5.81 ft at 5:30PM Mar 29, 2015Observed: 5.81 ft at 5:45PM Mar 29, 2015Observed: 5.81 ft at 6:00PM Mar 29, 2015Observed: 5.8 ft at 6:15PM Mar 29, 2015Observed: 5.8 ft at 6:30PM Mar 29, 2015Observed: 5.8 ft at 6:45PM Mar 29, 2015Observed: 5.8 ft at 7:00PM Mar 29, 2015Observed: 5.8 ft at 7:15PM Mar 29, 2015Observed: 5.8 ft at 7:30PM Mar 29, 2015Observed: 5.8 ft at 7:45PM Mar 29, 2015Observed: 5.79 ft at 8:00PM Mar 29, 2015Observed: 5.79 ft at 8:15PM Mar 29, 2015Observed: 5.79 ft at 8:30PM Mar 29, 2015Observed: 5.79 ft at 8:45PM Mar 29, 2015Observed: 5.79 ft at 9:00PM Mar 29, 2015Observed: 5.78 ft at 9:15PM Mar 29, 2015Observed: 5.78 ft at 9:30PM Mar 29, 2015Observed: 5.78 ft at 9:45PM Mar 29, 2015Observed: 5.78 ft at 10:00PM Mar 29, 2015Observed: 5.78 ft at 10:15PM Mar 29, 2015Observed: 5.78 ft at 10:30PM Mar 29, 2015Observed: 5.77 ft at 10:45PM Mar 29, 2015Observed: 5.77 ft at 11:00PM Mar 29, 2015Observed: 5.77 ft at 11:15PM Mar 29, 2015Observed: 5.77 ft at 11:30PM Mar 29, 2015Observed: 5.76 ft at 11:45PM Mar 29, 2015Observed: 5.76 ft at 12:00AM Mar 30, 2015Observed: 5.76 ft at 12:15AM Mar 30, 2015Observed: 5.76 ft at 12:30AM Mar 30, 2015Observed: 5.75 ft at 12:45AM Mar 30, 2015Observed: 5.75 ft at 1:00AM Mar 30, 2015Observed: 5.75 ft at 1:15AM Mar 30, 2015Observed: 5.75 ft at 1:30AM Mar 30, 2015Observed: 5.75 ft at 1:45AM Mar 30, 2015Observed: 5.75 ft at 2:00AM Mar 30, 2015Observed: 5.75 ft at 2:15AM Mar 30, 2015Observed: 5.75 ft at 2:30AM Mar 30, 2015Observed: 5.75 ft at 2:45AM Mar 30, 2015Observed: 5.75 ft at 3:00AM Mar 30, 2015Observed: 5.75 ft at 3:15AM Mar 30, 2015Observed: 5.75 ft at 3:30AM Mar 30, 2015Observed: 5.75 ft at 3:45AM Mar 30, 2015Observed: 5.75 ft at 4:00AM Mar 30, 2015Observed: 5.76 ft at 4:15AM Mar 30, 2015Observed: 5.76 ft at 4:30AM Mar 30, 2015Observed: 5.76 ft at 4:45AM Mar 30, 2015Observed: 5.76 ft at 5:00AM Mar 30, 2015Observed: 5.77 ft at 5:15AM Mar 30, 2015Observed: 5.77 ft at 5:30AM Mar 30, 2015Observed: 5.77 ft at 5:45AM Mar 30, 2015Observed: 5.78 ft at 6:00AM Mar 30, 2015Observed: 5.78 ft at 6:15AM Mar 30, 2015Observed: 5.78 ft at 6:30AM Mar 30, 2015Observed: 5.79 ft at 6:45AM Mar 30, 2015Observed: 5.79 ft at 7:00AM Mar 30, 2015Observed: 5.79 ft at 7:15AM Mar 30, 2015Observed: 5.79 ft at 7:30AM Mar 30, 2015Observed: 5.8 ft at 7:45AM Mar 30, 2015Observed: 5.8 ft at 8:00AM Mar 30, 2015Observed: 5.8 ft at 8:15AM Mar 30, 2015Observed: 5.8 ft at 8:30AM Mar 30, 2015Observed: 5.8 ft at 8:45AM Mar 30, 2015Observed: 5.81 ft at 9:00AM Mar 30, 2015Observed: 5.81 ft at 9:15AM Mar 30, 2015Observed: 5.81 ft at 9:30AM Mar 30, 2015Observed: 5.81 ft at 9:45AM Mar 30, 2015Observed: 5.81 ft at 10:00AM Mar 30, 2015Observed: 5.81 ft at 10:15AM Mar 30, 2015Observed: 5.81 ft at 10:30AM Mar 30, 2015Observed: 5.81 ft at 10:45AM Mar 30, 2015Observed: 5.81 ft at 11:00AM Mar 30, 2015Observed: 5.82 ft at 11:15AM Mar 30, 2015Observed: 5.81 ft at 11:30AM Mar 30, 2015Observed: 5.81 ft at 11:45AM Mar 30, 2015Observed: 5.81 ft at 12:00PM Mar 30, 2015Observed: 5.81 ft at 12:15PM Mar 30, 2015Observed: 5.81 ft at 12:30PM Mar 30, 2015Observed: 5.81 ft at 12:45PM Mar 30, 2015Observed: 5.81 ft at 1:00PM Mar 30, 2015Observed: 5.81 ft at 1:15PM Mar 30, 2015Observed: 5.81 ft at 1:30PM Mar 30, 2015Observed: 5.8 ft at 1:45PM Mar 30, 2015Observed: 5.8 ft at 2:00PM Mar 30, 2015Observed: 5.8 ft at 2:15PM Mar 30, 2015Observed: 5.8 ft at 2:30PM Mar 30, 2015Observed: 5.8 ft at 2:45PM Mar 30, 2015Observed: 5.8 ft at 3:00PM Mar 30, 2015Observed: 5.8 ft at 3:15PM Mar 30, 2015Observed: 5.8 ft at 3:30PM Mar 30, 2015Observed: 5.8 ft at 3:45PM Mar 30, 2015Observed: 5.8 ft at 4:00PM Mar 30, 2015Observed: 5.79 ft at 4:15PM Mar 30, 2015Observed: 5.79 ft at 4:30PM Mar 30, 2015Observed: 5.79 ft at 4:45PM Mar 30, 2015Observed: 5.79 ft at 5:00PM Mar 30, 2015Observed: 5.79 ft at 5:15PM Mar 30, 2015Observed: 5.79 ft at 5:30PM Mar 30, 2015Observed: 5.79 ft at 5:45PM Mar 30, 2015Observed: 5.79 ft at 6:00PM Mar 30, 2015Observed: 5.79 ft at 6:15PM Mar 30, 2015Observed: 5.79 ft at 6:30PM Mar 30, 2015Observed: 5.78 ft at 6:45PM Mar 30, 2015Observed: 5.78 ft at 7:00PM Mar 30, 2015Observed: 5.78 ft at 7:15PM Mar 30, 2015Observed: 5.78 ft at 7:30PM Mar 30, 2015Observed: 5.78 ft at 7:45PM Mar 30, 2015Observed: 5.78 ft at 8:00PM Mar 30, 2015Observed: 5.78 ft at 8:15PM Mar 30, 2015Observed: 5.78 ft at 8:30PM Mar 30, 2015Observed: 5.78 ft at 8:45PM Mar 30, 2015Observed: 5.78 ft at 9:00PM Mar 30, 2015Observed: 5.77 ft at 9:15PM Mar 30, 2015Observed: 5.77 ft at 9:30PM Mar 30, 2015Observed: 5.78 ft at 9:45PM Mar 30, 2015Observed: 5.77 ft at 10:00PM Mar 30, 2015Observed: 5.77 ft at 10:15PM Mar 30, 2015Observed: 5.77 ft at 10:30PM Mar 30, 2015Observed: 5.77 ft at 10:45PM Mar 30, 2015Observed: 5.77 ft at 11:00PM Mar 30, 2015Observed: 5.77 ft at 11:15PM Mar 30, 2015Observed: 5.77 ft at 11:30PM Mar 30, 2015Observed: 5.77 ft at 11:45PM Mar 30, 2015Observed: 5.77 ft at 12:00AM Mar 31, 2015Observed: 5.76 ft at 12:15AM Mar 31, 2015Observed: 5.76 ft at 12:30AM Mar 31, 2015Observed: 5.76 ft at 12:45AM Mar 31, 2015Observed: 5.76 ft at 1:00AM Mar 31, 2015Observed: 5.76 ft at 1:15AM Mar 31, 2015Observed: 5.76 ft at 1:30AM Mar 31, 2015Observed: 5.76 ft at 1:45AM Mar 31, 2015Observed: 5.76 ft at 2:00AM Mar 31, 2015Observed: 5.76 ft at 2:15AM Mar 31, 2015Observed: 5.76 ft at 2:30AM Mar 31, 2015Observed: 5.76 ft at 2:45AM Mar 31, 2015Observed: 5.76 ft at 3:00AM Mar 31, 2015Observed: 5.75 ft at 3:15AM Mar 31, 2015Observed: 5.75 ft at 3:30AM Mar 31, 2015Observed: 5.75 ft at 3:45AM Mar 31, 2015Observed: 5.75 ft at 4:00AM Mar 31, 2015Observed: 5.75 ft at 4:15AM Mar 31, 2015Observed: 5.75 ft at 4:30AM Mar 31, 2015Observed: 5.75 ft at 4:45AM Mar 31, 2015Observed: 5.75 ft at 5:00AM Mar 31, 2015Observed: 5.75 ft at 5:15AM Mar 31, 2015Observed: 5.75 ft at 5:30AM Mar 31, 2015Observed: 5.75 ft at 5:45AM Mar 31, 2015Observed: 5.75 ft at 6:00AM Mar 31, 2015Observed: 5.75 ft at 6:15AM Mar 31, 2015Observed: 5.75 ft at 6:30AM Mar 31, 2015Observed: 5.75 ft at 6:45AM Mar 31, 2015Observed: 5.75 ft at 7:00AM Mar 31, 2015Observed: 5.75 ft at 7:15AM Mar 31, 2015Observed: 5.75 ft at 7:30AM Mar 31, 2015Observed: 5.74 ft at 7:45AM Mar 31, 2015Observed: 5.74 ft at 8:00AM Mar 31, 2015Observed: 5.74 ft at 8:15AM Mar 31, 2015Observed: 5.74 ft at 8:30AM Mar 31, 2015Observed: 5.74 ft at 8:45AM Mar 31, 2015Observed: 5.74 ft at 9:00AM Mar 31, 2015Observed: 5.74 ft at 9:15AM Mar 31, 2015Observed: 5.74 ft at 9:30AM Mar 31, 2015Observed: 5.73 ft at 9:45AM Mar 31, 2015Observed: 5.74 ft at 10:00AM Mar 31, 2015Observed: 5.74 ft at 10:15AM Mar 31, 2015Observed: 5.74 ft at 10:30AM Mar 31, 2015Observed: 5.73 ft at 10:45AM Mar 31, 2015Observed: 5.74 ft at 11:00AM Mar 31, 2015Observed: 5.74 ft at 11:15AM Mar 31, 2015Observed: 5.74 ft at 11:30AM Mar 31, 2015Observed: 5.74 ft at 11:45AM Mar 31, 2015Observed: 5.73 ft at 12:00PM Mar 31, 2015Observed: 5.74 ft at 12:15PM Mar 31, 2015Observed: 5.73 ft at 12:30PM Mar 31, 2015Observed: 5.74 ft at 12:45PM Mar 31, 2015Observed: 5.73 ft at 1:00PM Mar 31, 2015Observed: 5.73 ft at 1:15PM Mar 31, 2015Observed: 5.73 ft at 1:30PM Mar 31, 2015Observed: 5.73 ft at 1:45PM Mar 31, 2015Observed: 5.73 ft at 2:00PM Mar 31, 2015Observed: 5.73 ft at 2:15PM Mar 31, 2015Observed: 5.73 ft at 2:30PM Mar 31, 2015Observed: 5.73 ft at 2:45PM Mar 31, 2015Observed: 5.73 ft at 3:00PM Mar 31, 2015Observed: 5.73 ft at 3:15PM Mar 31, 2015Observed: 5.73 ft at 3:30PM Mar 31, 2015Observed: 5.73 ft at 3:45PM Mar 31, 2015Observed: 5.73 ft at 4:00PM Mar 31, 2015Observed: 5.73 ft at 4:15PM Mar 31, 2015Observed: 5.73 ft at 4:30PM Mar 31, 2015Observed: 5.73 ft at 4:45PM Mar 31, 2015Observed: 5.72 ft at 5:00PM Mar 31, 2015Observed: 5.72 ft at 5:15PM Mar 31, 2015Observed: 5.72 ft at 5:30PM Mar 31, 2015Observed: 5.72 ft at 5:45PM Mar 31, 2015Observed: 5.72 ft at 6:00PM Mar 31, 2015Observed: 5.72 ft at 6:15PM Mar 31, 2015Observed: 5.72 ft at 6:30PM Mar 31, 2015Observed: 5.72 ft at 6:45PM Mar 31, 2015Observed: 5.72 ft at 7:00PM Mar 31, 2015Observed: 5.72 ft at 7:15PM Mar 31, 2015Observed: 5.72 ft at 7:30PM Mar 31, 2015Observed: 5.72 ft at 7:45PM Mar 31, 2015Observed: 5.72 ft at 8:00PM Mar 31, 2015Observed: 5.72 ft at 8:15PM Mar 31, 2015Observed: 5.72 ft at 8:30PM Mar 31, 2015Observed: 5.72 ft at 8:45PM Mar 31, 2015Observed: 5.72 ft at 9:00PM Mar 31, 2015Observed: 5.71 ft at 9:15PM Mar 31, 2015Observed: 5.71 ft at 9:30PM Mar 31, 2015Observed: 5.71 ft at 9:45PM Mar 31, 2015Observed: 5.71 ft at 10:00PM Mar 31, 2015Observed: 5.71 ft at 10:15PM Mar 31, 2015Observed: 5.71 ft at 10:30PM Mar 31, 2015Observed: 5.71 ft at 10:45PM Mar 31, 2015Observed: 5.71 ft at 11:00PM Mar 31, 2015Observed: 5.71 ft at 11:15PM Mar 31, 2015Observed: 5.71 ft at 11:30PM Mar 31, 2015Observed: 5.71 ft at 11:45PM Mar 31, 2015Observed: 5.71 ft at 12:00AM Apr 01, 2015Observed: 5.71 ft at 12:15AM Apr 01, 2015Observed: 5.71 ft at 12:30AM Apr 01, 2015Observed: 5.71 ft at 12:45AM Apr 01, 2015Observed: 5.71 ft at 1:00AM Apr 01, 2015Observed: 5.71 ft at 1:15AM Apr 01, 2015Observed: 5.71 ft at 1:30AM Apr 01, 2015Observed: 5.71 ft at 1:45AM Apr 01, 2015Observed: 5.71 ft at 2:00AM Apr 01, 2015Observed: 5.71 ft at 2:15AM Apr 01, 2015Observed: 5.71 ft at 2:30AM Apr 01, 2015Observed: 5.71 ft at 2:45AM Apr 01, 2015Observed: 5.71 ft at 3:00AM Apr 01, 2015Observed: 5.71 ft at 3:15AM Apr 01, 2015Observed: 5.71 ft at 3:30AM Apr 01, 2015Observed: 5.71 ft at 3:45AM Apr 01, 2015Observed: 5.71 ft at 4:00AM Apr 01, 2015Observed: 5.71 ft at 4:15AM Apr 01, 2015Observed: 5.7 ft at 4:30AM Apr 01, 2015Observed: 5.71 ft at 4:45AM Apr 01, 2015Observed: 5.7 ft at 5:00AM Apr 01, 2015Observed: 5.7 ft at 5:15AM Apr 01, 2015Observed: 5.7 ft at 5:30AM Apr 01, 2015Observed: 5.7 ft at 5:45AM Apr 01, 2015Observed: 5.7 ft at 6:00AM Apr 01, 2015Observed: 5.7 ft at 6:15AM Apr 01, 2015Observed: 5.7 ft at 6:30AM Apr 01, 2015Observed: 5.7 ft at 6:45AM Apr 01, 2015Observed: 5.7 ft at 7:00AM Apr 01, 2015Observed: 5.7 ft at 7:15AM Apr 01, 2015Observed: 5.7 ft at 7:30AM Apr 01, 2015Observed: 5.7 ft at 7:45AM Apr 01, 2015Observed: 5.7 ft at 8:00AM Apr 01, 2015Observed: 5.7 ft at 8:15AM Apr 01, 2015Observed: 5.7 ft at 8:30AM Apr 01, 2015Highest Forecast: 5.6 ft 2:00PM Apr 01, 2015Highest Forecast: 5.6 ft 8:00PM Apr 01, 2015Highest Forecast: 5.6 ft 2:00AM Apr 02, 2015Highest Forecast: 5.6 ft 8:00AM Apr 02, 2015Highest Forecast: 5.6 ft 2:00PM Apr 02, 2015Highest Forecast: 5.6 ft 8:00PM Apr 02, 2015Highest Forecast: 5.6 ft 2:00AM Apr 03, 2015Highest Forecast: 5.6 ft 8:00AM Apr 03, 2015USGS--Water Resources of the United StatesGRNM1(plotting HGIRG) Graph Created (9:01AM Apr 1, 2015)ObservedForecast (issued 10:53AM Mar 31)Latest observed value: 5.7 ft at 8:30 AM EDT 1-Apr-2015. Flood Stage is 13 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

NOTE: Forecasts for the Penobscot River above Grindstone are issued routinely year-round.

Return to Area Map
Downstream Gauge Downstream Gauge - at West Enfield
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 15
Flood Stage: 13
Action Stage: 10
Low Stage (in feet): 0

Historic Crests
(1) 16.90 ft on 04/30/1923
(2) 15.02 ft on 04/30/2008
(3) 14.71 ft on 04/29/1973
(4) 14.30 ft on 09/29/1909
(5) 14.00 ft on 03/20/1936

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.02 ft on 04/30/2008
(2) 14.71 ft on 04/29/1973
(3) 14.00 ft on 03/20/1936
(4) 16.90 ft on 04/30/1923
(5) 14.30 ft on 09/29/1909

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
16 Widespread flooding of state route 11 from grindstone to medway. Numerous homes, camps and campgrounds inundated. Flooding akin to april 1923.
15 State route 11 flooded and impassable. Homes/camps inundated.
13 State route 11 flooded in places. Homes/camps threatened.
12 Route 11 impacted, but passable.
10 Minor lowland flooding occurs.
About This Location Collapse

Latitude: 45.730278° N, Longitude: 68.589444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13 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 29 294.74 ft 307.74 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:

Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Caribou Weather Forecast Office
810 Main St.
Caribou, ME 04736
(207) 492-0170
Ask Questions/Webmaster
Page last modified: 12-Feb-2015 9:36 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities