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Hydrograph River at a Glance Download
Pemigewasset River at Plymouth Stage (ft)Flow (kcfs)Observed: 3.08 ft at 4:15PM Apr 20, 2014Observed: 3.08 ft at 4:30PM Apr 20, 2014Observed: 3.06 ft at 4:45PM Apr 20, 2014Observed: 3.06 ft at 4:46PM Apr 20, 2014Observed: 3.05 ft at 5:00PM Apr 20, 2014Observed: 3.05 ft at 5:15PM Apr 20, 2014Observed: 3.05 ft at 5:30PM Apr 20, 2014Observed: 3.05 ft at 5:45PM Apr 20, 2014Observed: 3.04 ft at 6:00PM Apr 20, 2014Observed: 3.03 ft at 6:15PM Apr 20, 2014Observed: 3.03 ft at 6:30PM Apr 20, 2014Observed: 3.03 ft at 6:45PM Apr 20, 2014Observed: 3.02 ft at 7:00PM Apr 20, 2014Observed: 3.02 ft at 7:15PM Apr 20, 2014Observed: 3.01 ft at 7:30PM Apr 20, 2014Observed: 3 ft at 7:45PM Apr 20, 2014Observed: 3 ft at 8:00PM Apr 20, 2014Observed: 2.99 ft at 8:15PM Apr 20, 2014Observed: 2.99 ft at 8:30PM Apr 20, 2014Observed: 2.99 ft at 8:45PM Apr 20, 2014Observed: 2.99 ft at 9:00PM Apr 20, 2014Observed: 2.97 ft at 9:15PM Apr 20, 2014Observed: 2.98 ft at 9:30PM Apr 20, 2014Observed: 2.98 ft at 9:45PM Apr 20, 2014Observed: 2.97 ft at 10:00PM Apr 20, 2014Observed: 2.97 ft at 10:15PM Apr 20, 2014Observed: 2.97 ft at 10:30PM Apr 20, 2014Observed: 2.97 ft at 10:45PM Apr 20, 2014Observed: 2.97 ft at 11:00PM Apr 20, 2014Observed: 2.98 ft at 11:15PM Apr 20, 2014Observed: 2.97 ft at 11:30PM Apr 20, 2014Observed: 2.97 ft at 11:45PM Apr 20, 2014Observed: 2.97 ft at 12:00AM Apr 21, 2014Observed: 2.98 ft at 12:15AM Apr 21, 2014Observed: 2.98 ft at 12:30AM Apr 21, 2014Observed: 2.98 ft at 12:45AM Apr 21, 2014Observed: 2.99 ft at 1:00AM Apr 21, 2014Observed: 2.99 ft at 1:15AM Apr 21, 2014Observed: 2.99 ft at 1:30AM Apr 21, 2014Observed: 2.99 ft at 1:45AM Apr 21, 2014Observed: 3 ft at 2:00AM Apr 21, 2014Observed: 3.01 ft at 2:15AM Apr 21, 2014Observed: 3.01 ft at 2:30AM Apr 21, 2014Observed: 3.02 ft at 2:45AM Apr 21, 2014Observed: 3.01 ft at 3:00AM Apr 21, 2014Observed: 3.01 ft at 3:15AM Apr 21, 2014Observed: 3.02 ft at 3:30AM Apr 21, 2014Observed: 3.03 ft at 3:45AM Apr 21, 2014Observed: 3.04 ft at 4:00AM Apr 21, 2014Observed: 3.03 ft at 4:15AM Apr 21, 2014Observed: 3.04 ft at 4:30AM Apr 21, 2014Observed: 3.04 ft at 4:45AM Apr 21, 2014Observed: 3.04 ft at 4:46AM Apr 21, 2014Observed: 3.05 ft at 5:00AM Apr 21, 2014Observed: 3.05 ft at 5:15AM Apr 21, 2014Observed: 3.05 ft at 5:30AM Apr 21, 2014Observed: 3.05 ft at 5:45AM Apr 21, 2014Observed: 3.06 ft at 6:00AM Apr 21, 2014Observed: 3.06 ft at 6:15AM Apr 21, 2014Observed: 3.05 ft at 6:30AM Apr 21, 2014Observed: 3.06 ft at 6:45AM Apr 21, 2014Observed: 3.05 ft at 7:00AM Apr 21, 2014Observed: 3.06 ft at 7:15AM Apr 21, 2014Observed: 3.06 ft at 7:30AM Apr 21, 2014Observed: 3.05 ft at 7:45AM Apr 21, 2014Observed: 3.06 ft at 8:00AM Apr 21, 2014Observed: 3.06 ft at 8:15AM Apr 21, 2014Observed: 3.05 ft at 8:30AM Apr 21, 2014Observed: 3.05 ft at 8:45AM Apr 21, 2014Observed: 3.05 ft at 9:00AM Apr 21, 2014Observed: 3.05 ft at 9:15AM Apr 21, 2014Observed: 3.04 ft at 9:30AM Apr 21, 2014Observed: 3.04 ft at 9:45AM Apr 21, 2014Observed: 3.04 ft at 10:00AM Apr 21, 2014Observed: 3.04 ft at 10:15AM Apr 21, 2014Observed: 3.03 ft at 10:30AM Apr 21, 2014Observed: 3.02 ft at 10:45AM Apr 21, 2014Observed: 3.03 ft at 11:00AM Apr 21, 2014Observed: 3.02 ft at 11:15AM Apr 21, 2014Observed: 3.01 ft at 11:30AM Apr 21, 2014Observed: 3.01 ft at 11:45AM Apr 21, 2014Observed: 3.01 ft at 12:00PM Apr 21, 2014Observed: 3 ft at 12:15PM Apr 21, 2014Observed: 3 ft at 12:30PM Apr 21, 2014Observed: 3 ft at 12:45PM Apr 21, 2014Observed: 2.99 ft at 1:00PM Apr 21, 2014Observed: 2.99 ft at 1:15PM Apr 21, 2014Observed: 2.99 ft at 1:30PM Apr 21, 2014Observed: 2.98 ft at 1:45PM Apr 21, 2014Observed: 2.97 ft at 2:00PM Apr 21, 2014Observed: 2.97 ft at 2:15PM Apr 21, 2014Observed: 2.97 ft at 2:30PM Apr 21, 2014Observed: 2.95 ft at 2:45PM Apr 21, 2014Observed: 2.95 ft at 3:00PM Apr 21, 2014Observed: 2.95 ft at 3:15PM Apr 21, 2014Observed: 2.94 ft at 3:30PM Apr 21, 2014Observed: 2.93 ft at 3:45PM Apr 21, 2014Observed: 2.93 ft at 4:00PM Apr 21, 2014Observed: 2.93 ft at 4:15PM Apr 21, 2014Observed: 2.92 ft at 4:30PM Apr 21, 2014Observed: 2.91 ft at 4:45PM Apr 21, 2014Observed: 2.91 ft at 4:46PM Apr 21, 2014Observed: 2.91 ft at 5:00PM Apr 21, 2014Observed: 2.9 ft at 5:15PM Apr 21, 2014Observed: 2.9 ft at 5:30PM Apr 21, 2014Observed: 2.9 ft at 5:45PM Apr 21, 2014Observed: 2.9 ft at 6:00PM Apr 21, 2014Observed: 2.89 ft at 6:15PM Apr 21, 2014Observed: 2.88 ft at 6:30PM Apr 21, 2014Observed: 2.88 ft at 6:45PM Apr 21, 2014Observed: 2.88 ft at 7:00PM Apr 21, 2014Observed: 2.87 ft at 7:15PM Apr 21, 2014Observed: 2.87 ft at 7:30PM Apr 21, 2014Observed: 2.87 ft at 7:45PM Apr 21, 2014Observed: 2.87 ft at 8:00PM Apr 21, 2014Observed: 2.87 ft at 8:15PM Apr 21, 2014Observed: 2.86 ft at 8:30PM Apr 21, 2014Observed: 2.86 ft at 8:45PM Apr 21, 2014Observed: 2.85 ft at 9:00PM Apr 21, 2014Observed: 2.86 ft at 9:15PM Apr 21, 2014Observed: 2.85 ft at 9:30PM Apr 21, 2014Observed: 2.86 ft at 9:45PM Apr 21, 2014Observed: 2.86 ft at 10:00PM Apr 21, 2014Observed: 2.86 ft at 10:15PM Apr 21, 2014Observed: 2.86 ft at 10:30PM Apr 21, 2014Observed: 2.88 ft at 10:45PM Apr 21, 2014Observed: 2.87 ft at 11:00PM Apr 21, 2014Observed: 2.88 ft at 11:15PM Apr 21, 2014Observed: 2.88 ft at 11:30PM Apr 21, 2014Observed: 2.9 ft at 11:45PM Apr 21, 2014Observed: 2.91 ft at 12:00AM Apr 22, 2014Observed: 2.92 ft at 12:15AM Apr 22, 2014Observed: 2.93 ft at 12:30AM Apr 22, 2014Observed: 2.96 ft at 12:45AM Apr 22, 2014Observed: 2.97 ft at 1:00AM Apr 22, 2014Observed: 2.99 ft at 1:15AM Apr 22, 2014Observed: 3 ft at 1:30AM Apr 22, 2014Observed: 3.01 ft at 1:45AM Apr 22, 2014Observed: 3.04 ft at 2:00AM Apr 22, 2014Observed: 3.06 ft at 2:15AM Apr 22, 2014Observed: 3.09 ft at 2:30AM Apr 22, 2014Observed: 3.11 ft at 2:45AM Apr 22, 2014Observed: 3.12 ft at 3:00AM Apr 22, 2014Observed: 3.14 ft at 3:15AM Apr 22, 2014Observed: 3.17 ft at 3:30AM Apr 22, 2014Observed: 3.2 ft at 3:45AM Apr 22, 2014Observed: 3.22 ft at 4:00AM Apr 22, 2014Observed: 3.24 ft at 4:15AM Apr 22, 2014Observed: 3.27 ft at 4:30AM Apr 22, 2014Observed: 3.28 ft at 4:45AM Apr 22, 2014Observed: 3.28 ft at 4:46AM Apr 22, 2014Observed: 3.31 ft at 5:00AM Apr 22, 2014Observed: 3.33 ft at 5:15AM Apr 22, 2014Observed: 3.35 ft at 5:30AM Apr 22, 2014Observed: 3.36 ft at 5:45AM Apr 22, 2014Observed: 3.39 ft at 6:00AM Apr 22, 2014Observed: 3.4 ft at 6:15AM Apr 22, 2014Observed: 3.42 ft at 6:30AM Apr 22, 2014Observed: 3.43 ft at 6:45AM Apr 22, 2014Observed: 3.45 ft at 7:00AM Apr 22, 2014Observed: 3.45 ft at 7:15AM Apr 22, 2014Observed: 3.47 ft at 7:30AM Apr 22, 2014Observed: 3.48 ft at 7:45AM Apr 22, 2014Observed: 3.49 ft at 8:00AM Apr 22, 2014Observed: 3.5 ft at 8:15AM Apr 22, 2014Observed: 3.5 ft at 8:30AM Apr 22, 2014Observed: 3.49 ft at 8:45AM Apr 22, 2014Observed: 3.51 ft at 9:00AM Apr 22, 2014Observed: 3.51 ft at 9:15AM Apr 22, 2014Observed: 3.51 ft at 9:30AM Apr 22, 2014Observed: 3.51 ft at 9:45AM Apr 22, 2014Observed: 3.51 ft at 10:00AM Apr 22, 2014Observed: 3.52 ft at 10:15AM Apr 22, 2014Observed: 3.52 ft at 10:30AM Apr 22, 2014Observed: 3.51 ft at 10:45AM Apr 22, 2014Observed: 3.51 ft at 10:46AM Apr 22, 2014Observed: 3.52 ft at 11:00AM Apr 22, 2014Observed: 3.51 ft at 11:15AM Apr 22, 2014Observed: 3.5 ft at 11:30AM Apr 22, 2014Observed: 3.5 ft at 11:45AM Apr 22, 2014Observed: 3.5 ft at 12:00PM Apr 22, 2014Observed: 3.49 ft at 12:15PM Apr 22, 2014Observed: 3.49 ft at 12:30PM Apr 22, 2014Observed: 3.49 ft at 12:45PM Apr 22, 2014Observed: 3.48 ft at 1:00PM Apr 22, 2014Observed: 3.48 ft at 1:15PM Apr 22, 2014Observed: 3.47 ft at 1:30PM Apr 22, 2014Observed: 3.47 ft at 1:45PM Apr 22, 2014Observed: 3.46 ft at 2:00PM Apr 22, 2014Observed: 3.46 ft at 2:15PM Apr 22, 2014Observed: 3.45 ft at 2:30PM Apr 22, 2014Observed: 3.45 ft at 2:45PM Apr 22, 2014Observed: 3.45 ft at 3:00PM Apr 22, 2014Observed: 3.44 ft at 3:15PM Apr 22, 2014Observed: 3.43 ft at 3:30PM Apr 22, 2014Observed: 3.43 ft at 3:45PM Apr 22, 2014Observed: 3.43 ft at 4:00PM Apr 22, 2014Observed: 3.43 ft at 4:15PM Apr 22, 2014Observed: 3.43 ft at 4:30PM Apr 22, 2014Observed: 3.42 ft at 4:45PM Apr 22, 2014Observed: 3.42 ft at 4:46PM Apr 22, 2014Observed: 3.42 ft at 5:00PM Apr 22, 2014Observed: 3.41 ft at 5:15PM Apr 22, 2014Observed: 3.4 ft at 5:30PM Apr 22, 2014Observed: 3.41 ft at 5:45PM Apr 22, 2014Observed: 3.41 ft at 6:00PM Apr 22, 2014Observed: 3.41 ft at 6:15PM Apr 22, 2014Observed: 3.4 ft at 6:30PM Apr 22, 2014Observed: 3.41 ft at 6:45PM Apr 22, 2014Observed: 3.41 ft at 7:00PM Apr 22, 2014Observed: 3.4 ft at 7:15PM Apr 22, 2014Observed: 3.41 ft at 7:30PM Apr 22, 2014Observed: 3.42 ft at 7:45PM Apr 22, 2014Observed: 3.43 ft at 8:00PM Apr 22, 2014Observed: 3.43 ft at 8:15PM Apr 22, 2014Observed: 3.43 ft at 8:30PM Apr 22, 2014Observed: 3.45 ft at 8:45PM Apr 22, 2014Observed: 3.46 ft at 9:00PM Apr 22, 2014Observed: 3.48 ft at 9:15PM Apr 22, 2014Observed: 3.49 ft at 9:30PM Apr 22, 2014Observed: 3.5 ft at 9:45PM Apr 22, 2014Observed: 3.52 ft at 10:00PM Apr 22, 2014Observed: 3.55 ft at 10:15PM Apr 22, 2014Observed: 3.58 ft at 10:30PM Apr 22, 2014Observed: 3.59 ft at 10:45PM Apr 22, 2014Observed: 3.62 ft at 11:00PM Apr 22, 2014Observed: 3.64 ft at 11:15PM Apr 22, 2014Observed: 3.67 ft at 11:30PM Apr 22, 2014Observed: 3.69 ft at 11:45PM Apr 22, 2014Observed: 3.73 ft at 12:00AM Apr 23, 2014Observed: 3.74 ft at 12:15AM Apr 23, 2014Observed: 3.77 ft at 12:30AM Apr 23, 2014Observed: 3.81 ft at 12:45AM Apr 23, 2014Observed: 3.83 ft at 1:00AM Apr 23, 2014Observed: 3.86 ft at 1:15AM Apr 23, 2014Observed: 3.89 ft at 1:30AM Apr 23, 2014Observed: 3.91 ft at 1:45AM Apr 23, 2014Observed: 3.94 ft at 2:00AM Apr 23, 2014Observed: 3.97 ft at 2:15AM Apr 23, 2014Observed: 3.99 ft at 2:30AM Apr 23, 2014Observed: 4.02 ft at 2:45AM Apr 23, 2014Observed: 4.04 ft at 3:00AM Apr 23, 2014Observed: 4.07 ft at 3:15AM Apr 23, 2014Observed: 4.09 ft at 3:30AM Apr 23, 2014Observed: 4.11 ft at 3:45AM Apr 23, 2014Observed: 4.13 ft at 4:00AM Apr 23, 2014Observed: 4.15 ft at 4:15AM Apr 23, 2014Observed: 4.18 ft at 4:30AM Apr 23, 2014Observed: 4.19 ft at 4:45AM Apr 23, 2014Observed: 4.19 ft at 4:46AM Apr 23, 2014Observed: 4.21 ft at 5:00AM Apr 23, 2014Observed: 4.23 ft at 5:15AM Apr 23, 2014Observed: 4.25 ft at 5:30AM Apr 23, 2014Observed: 4.26 ft at 5:45AM Apr 23, 2014Observed: 4.28 ft at 6:00AM Apr 23, 2014Observed: 4.32 ft at 6:15AM Apr 23, 2014Observed: 4.33 ft at 6:30AM Apr 23, 2014Observed: 4.33 ft at 6:45AM Apr 23, 2014Observed: 4.37 ft at 7:00AM Apr 23, 2014Observed: 4.38 ft at 7:15AM Apr 23, 2014Observed: 4.4 ft at 7:30AM Apr 23, 2014Observed: 4.4 ft at 7:45AM Apr 23, 2014Observed: 4.41 ft at 8:00AM Apr 23, 2014Observed: 4.43 ft at 8:15AM Apr 23, 2014Observed: 4.43 ft at 8:30AM Apr 23, 2014Observed: 4.44 ft at 8:45AM Apr 23, 2014Observed: 4.45 ft at 9:00AM Apr 23, 2014Observed: 4.45 ft at 9:15AM Apr 23, 2014Observed: 4.47 ft at 9:30AM Apr 23, 2014Observed: 4.47 ft at 9:45AM Apr 23, 2014Observed: 4.48 ft at 10:00AM Apr 23, 2014Observed: 4.48 ft at 10:15AM Apr 23, 2014Observed: 4.49 ft at 10:30AM Apr 23, 2014Highest Observation: 4.5 ft at 10:45AM Apr 23, 2014Highest Observation: 4.5 ft at 10:46AM Apr 23, 2014Observed: 4.48 ft at 11:00AM Apr 23, 2014Observed: 4.47 ft at 11:15AM Apr 23, 2014Observed: 4.48 ft at 11:30AM Apr 23, 2014Observed: 4.48 ft at 11:45AM Apr 23, 2014Observed: 4.48 ft at 12:00PM Apr 23, 2014Observed: 4.47 ft at 12:15PM Apr 23, 2014Observed: 4.47 ft at 12:30PM Apr 23, 2014Observed: 4.46 ft at 12:45PM Apr 23, 2014Observed: 4.45 ft at 1:00PM Apr 23, 2014Observed: 4.45 ft at 1:15PM Apr 23, 2014Observed: 4.43 ft at 1:30PM Apr 23, 2014Observed: 4.43 ft at 1:45PM Apr 23, 2014Observed: 4.41 ft at 2:00PM Apr 23, 2014Observed: 4.4 ft at 2:15PM Apr 23, 2014Observed: 4.39 ft at 2:30PM Apr 23, 2014Observed: 4.37 ft at 2:45PM Apr 23, 2014Observed: 4.35 ft at 3:00PM Apr 23, 2014Observed: 4.35 ft at 3:15PM Apr 23, 2014Observed: 4.33 ft at 3:30PM Apr 23, 2014Highest Forecast: 3.9 ft 8:00PM Apr 23, 2014Forecast: 3.6 ft 2:00AM Apr 24, 2014Forecast: 3.5 ft 8:00AM Apr 24, 2014Forecast: 3.4 ft 2:00PM Apr 24, 2014Forecast: 3.2 ft 8:00PM Apr 24, 2014Forecast: 3.1 ft 2:00AM Apr 25, 2014Forecast: 3 ft 8:00AM Apr 25, 2014Forecast: 2.9 ft 2:00PM Apr 25, 2014Forecast: 2.8 ft 8:00PM Apr 25, 2014Forecast: 2.7 ft 2:00AM Apr 26, 2014Forecast: 2.6 ft 8:00AM Apr 26, 2014USGS--Water Resources of the United StatesPLMN3(plotting HGIRG) Graph Created (4:03PM Apr 23, 2014)ObservedForecast (issued 11:04AM Apr 23)Latest observed value: 4.33 ft at 3:30 PM EDT 23-Apr-2014. Flood Stage is 13 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Pemigewasset River at Plymouth are issued routinely year-round.
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Upstream Gauge - at Woodstock Upstream Gauge
Flood Categories (in feet)
Major Flood Stage:21
Moderate Flood Stage:18
Flood Stage:13
Action Stage:10

Historical Crests
(1) 29.00 ft on 03/19/1936
(2) 27.40 ft on 11/04/1927
(3) 23.62 ft on 09/21/1938
(4) 23.43 ft on 04/01/1987
(5) 22.68 ft on 10/25/1959
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Low Water Records
Zoom Level: 16
Gauge Location
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
22 5 TO 6 FEET OF WATER ON ROUTE 175A IN HOLDERNESS.
20.1 WATER AT THE DOORS OF THE PSU PHYSICAL EDUCATION CENTER. WATER AT THE DOORS OF THE PSU ICE ARENA. BOE STREET FLOODED. PSU FACILITY SERVICE BUILDING FLOODED.
18 SOUTH RIVER ROAD AND AVERY STREET FLOODED IN HOLDERNESS.
15.5 WATER OVER THE ROAD AT IRVING STATION ON ROUTE 175A IN HOLDERNESS.
15 WATER UP TO ROAD AT IRVING STATION ON ROUTE 175A IN HOLDERNESS.
14 WATER ENTERING PARKING LOT BEHIND PSU ICE ARENA.
13 MINOR LOWLAND FLOODING.
About This Location Collapse

Latitude: 43.759167° N, Longitude: 71.686111° 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 29 457.07 ft 470.07 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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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
Gray Weather Forecast Office
P.O. Box 1208, 1 Weather Lane, Route 231
Gray, ME 04039
(207) 688-3216
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Page last modified: 8-Apr-2014 8:38 AM
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