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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...


NOTE: Gauge readings may be delayed or temporarily unavailable due to satellite communication issues.
Weather Forecast Office Gray, ME Northeast River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Pemigewasset River at Plymouth Stage (ft)Flow (kcfs)Observed: 1.46 ft at 12:15PM May 19, 2013Observed: 1.46 ft at 12:30PM May 19, 2013Observed: 1.46 ft at 12:45PM May 19, 2013Observed: 1.46 ft at 1:00PM May 19, 2013Observed: 1.46 ft at 1:15PM May 19, 2013Observed: 1.46 ft at 1:30PM May 19, 2013Observed: 1.46 ft at 1:45PM May 19, 2013Observed: 1.46 ft at 2:00PM May 19, 2013Observed: 1.46 ft at 2:15PM May 19, 2013Observed: 1.46 ft at 2:30PM May 19, 2013Observed: 1.46 ft at 2:45PM May 19, 2013Observed: 1.46 ft at 3:00PM May 19, 2013Observed: 1.46 ft at 3:15PM May 19, 2013Observed: 1.46 ft at 3:30PM May 19, 2013Observed: 1.46 ft at 3:45PM May 19, 2013Observed: 1.46 ft at 4:00PM May 19, 2013Observed: 1.45 ft at 4:15PM May 19, 2013Observed: 1.45 ft at 4:16PM May 19, 2013Observed: 1.46 ft at 4:30PM May 19, 2013Observed: 1.46 ft at 4:45PM May 19, 2013Observed: 1.46 ft at 5:00PM May 19, 2013Observed: 1.46 ft at 5:15PM May 19, 2013Observed: 1.45 ft at 5:30PM May 19, 2013Observed: 1.45 ft at 5:45PM May 19, 2013Observed: 1.45 ft at 6:00PM May 19, 2013Observed: 1.45 ft at 6:15PM May 19, 2013Observed: 1.46 ft at 6:30PM May 19, 2013Observed: 1.46 ft at 6:45PM May 19, 2013Observed: 1.46 ft at 7:00PM May 19, 2013Observed: 1.46 ft at 7:15PM May 19, 2013Observed: 1.46 ft at 7:30PM May 19, 2013Observed: 1.46 ft at 7:45PM May 19, 2013Observed: 1.46 ft at 8:00PM May 19, 2013Observed: 1.46 ft at 8:15PM May 19, 2013Observed: 1.46 ft at 8:30PM May 19, 2013Observed: 1.46 ft at 8:45PM May 19, 2013Observed: 1.47 ft at 9:00PM May 19, 2013Observed: 1.46 ft at 9:15PM May 19, 2013Observed: 1.47 ft at 9:30PM May 19, 2013Observed: 1.47 ft at 9:45PM May 19, 2013Observed: 1.47 ft at 10:00PM May 19, 2013Observed: 1.47 ft at 10:15PM May 19, 2013Observed: 1.47 ft at 10:30PM May 19, 2013Observed: 1.47 ft at 10:45PM May 19, 2013Observed: 1.48 ft at 11:00PM May 19, 2013Observed: 1.48 ft at 11:15PM May 19, 2013Observed: 1.48 ft at 11:30PM May 19, 2013Observed: 1.49 ft at 11:45PM May 19, 2013Observed: 1.49 ft at 12:00AM May 20, 2013Observed: 1.49 ft at 12:15AM May 20, 2013Observed: 1.49 ft at 12:30AM May 20, 2013Observed: 1.5 ft at 12:45AM May 20, 2013Observed: 1.5 ft at 1:00AM May 20, 2013Observed: 1.51 ft at 1:15AM May 20, 2013Observed: 1.52 ft at 1:30AM May 20, 2013Observed: 1.52 ft at 1:45AM May 20, 2013Observed: 1.52 ft at 2:00AM May 20, 2013Observed: 1.53 ft at 2:15AM May 20, 2013Observed: 1.53 ft at 2:30AM May 20, 2013Observed: 1.53 ft at 2:45AM May 20, 2013Observed: 1.54 ft at 3:00AM May 20, 2013Observed: 1.54 ft at 3:15AM May 20, 2013Observed: 1.54 ft at 3:30AM May 20, 2013Observed: 1.56 ft at 3:45AM May 20, 2013Observed: 1.56 ft at 4:00AM May 20, 2013Observed: 1.56 ft at 4:15AM May 20, 2013Observed: 1.56 ft at 4:16AM May 20, 2013Observed: 1.57 ft at 4:30AM May 20, 2013Observed: 1.57 ft at 4:45AM May 20, 2013Observed: 1.58 ft at 5:00AM May 20, 2013Observed: 1.58 ft at 5:15AM May 20, 2013Observed: 1.59 ft at 5:30AM May 20, 2013Observed: 1.6 ft at 5:45AM May 20, 2013Observed: 1.61 ft at 6:00AM May 20, 2013Observed: 1.62 ft at 6:15AM May 20, 2013Observed: 1.63 ft at 6:30AM May 20, 2013Observed: 1.64 ft at 6:45AM May 20, 2013Observed: 1.65 ft at 7:00AM May 20, 2013Observed: 1.66 ft at 7:15AM May 20, 2013Observed: 1.68 ft at 7:30AM May 20, 2013Observed: 1.69 ft at 7:45AM May 20, 2013Observed: 1.7 ft at 8:00AM May 20, 2013Observed: 1.72 ft at 8:15AM May 20, 2013Observed: 1.73 ft at 8:30AM May 20, 2013Observed: 1.75 ft at 8:45AM May 20, 2013Observed: 1.76 ft at 9:00AM May 20, 2013Observed: 1.78 ft at 9:15AM May 20, 2013Observed: 1.79 ft at 9:30AM May 20, 2013Observed: 1.8 ft at 9:45AM May 20, 2013Observed: 1.82 ft at 10:00AM May 20, 2013Observed: 1.83 ft at 10:15AM May 20, 2013Observed: 1.86 ft at 10:30AM May 20, 2013Observed: 1.87 ft at 10:45AM May 20, 2013Observed: 1.88 ft at 11:00AM May 20, 2013Observed: 1.9 ft at 11:15AM May 20, 2013Observed: 1.91 ft at 11:30AM May 20, 2013Observed: 1.93 ft at 11:45AM May 20, 2013Observed: 1.95 ft at 12:00PM May 20, 2013Observed: 1.96 ft at 12:15PM May 20, 2013Observed: 1.98 ft at 12:30PM May 20, 2013Observed: 1.99 ft at 12:45PM May 20, 2013Observed: 2 ft at 1:00PM May 20, 2013Observed: 2.01 ft at 1:15PM May 20, 2013Observed: 2.03 ft at 1:30PM May 20, 2013Observed: 2.04 ft at 1:45PM May 20, 2013Observed: 2.05 ft at 2:00PM May 20, 2013Observed: 2.05 ft at 2:15PM May 20, 2013Observed: 2.06 ft at 2:30PM May 20, 2013Observed: 2.07 ft at 2:45PM May 20, 2013Observed: 2.08 ft at 3:00PM May 20, 2013Observed: 2.08 ft at 3:15PM May 20, 2013Observed: 2.09 ft at 3:30PM May 20, 2013Observed: 2.1 ft at 3:45PM May 20, 2013Observed: 2.1 ft at 4:00PM May 20, 2013Observed: 2.1 ft at 4:15PM May 20, 2013Observed: 2.1 ft at 4:16PM May 20, 2013Observed: 2.11 ft at 4:30PM May 20, 2013Observed: 2.11 ft at 4:45PM May 20, 2013Observed: 2.12 ft at 5:00PM May 20, 2013Observed: 2.12 ft at 5:15PM May 20, 2013Observed: 2.12 ft at 5:30PM May 20, 2013Observed: 2.12 ft at 5:45PM May 20, 2013Observed: 2.12 ft at 6:00PM May 20, 2013Observed: 2.12 ft at 6:15PM May 20, 2013Observed: 2.12 ft at 6:30PM May 20, 2013Observed: 2.12 ft at 6:45PM May 20, 2013Observed: 2.13 ft at 7:00PM May 20, 2013Observed: 2.12 ft at 7:15PM May 20, 2013Observed: 2.12 ft at 7:30PM May 20, 2013Observed: 2.12 ft at 7:45PM May 20, 2013Observed: 2.12 ft at 8:00PM May 20, 2013Observed: 2.12 ft at 8:15PM May 20, 2013Observed: 2.11 ft at 8:30PM May 20, 2013Observed: 2.11 ft at 8:45PM May 20, 2013Observed: 2.1 ft at 9:00PM May 20, 2013Observed: 2.1 ft at 9:15PM May 20, 2013Observed: 2.1 ft at 9:30PM May 20, 2013Observed: 2.1 ft at 9:45PM May 20, 2013Observed: 2.1 ft at 10:00PM May 20, 2013Observed: 2.09 ft at 10:15PM May 20, 2013Observed: 2.09 ft at 10:16PM May 20, 2013Observed: 2.08 ft at 10:30PM May 20, 2013Observed: 2.08 ft at 10:45PM May 20, 2013Observed: 2.08 ft at 11:00PM May 20, 2013Observed: 2.07 ft at 11:15PM May 20, 2013Observed: 2.07 ft at 11:30PM May 20, 2013Observed: 2.07 ft at 11:45PM May 20, 2013Observed: 2.06 ft at 12:00AM May 21, 2013Observed: 2.06 ft at 12:15AM May 21, 2013Observed: 2.06 ft at 12:30AM May 21, 2013Observed: 2.05 ft at 12:45AM May 21, 2013Observed: 2.05 ft at 1:00AM May 21, 2013Observed: 2.05 ft at 1:15AM May 21, 2013Observed: 2.04 ft at 1:30AM May 21, 2013Observed: 2.04 ft at 1:45AM May 21, 2013Observed: 2.03 ft at 2:00AM May 21, 2013Observed: 2.03 ft at 2:15AM May 21, 2013Observed: 2.03 ft at 2:30AM May 21, 2013Observed: 2.03 ft at 2:45AM May 21, 2013Observed: 2.02 ft at 3:00AM May 21, 2013Observed: 2.01 ft at 3:15AM May 21, 2013Observed: 2.01 ft at 3:30AM May 21, 2013Observed: 2.01 ft at 3:45AM May 21, 2013Observed: 2 ft at 4:00AM May 21, 2013Observed: 2 ft at 4:15AM May 21, 2013Observed: 2 ft at 4:16AM May 21, 2013Observed: 2 ft at 4:30AM May 21, 2013Observed: 1.99 ft at 4:45AM May 21, 2013Observed: 1.99 ft at 5:00AM May 21, 2013Observed: 1.99 ft at 5:15AM May 21, 2013Observed: 1.98 ft at 5:30AM May 21, 2013Observed: 1.98 ft at 5:45AM May 21, 2013Observed: 1.98 ft at 6:00AM May 21, 2013Observed: 1.98 ft at 6:15AM May 21, 2013Observed: 1.99 ft at 6:30AM May 21, 2013Observed: 1.99 ft at 6:45AM May 21, 2013Observed: 1.99 ft at 7:00AM May 21, 2013Observed: 1.98 ft at 7:15AM May 21, 2013Observed: 1.98 ft at 7:30AM May 21, 2013Observed: 1.97 ft at 7:45AM May 21, 2013Observed: 1.97 ft at 8:00AM May 21, 2013Observed: 1.97 ft at 8:15AM May 21, 2013Observed: 1.96 ft at 8:30AM May 21, 2013Observed: 1.96 ft at 8:45AM May 21, 2013Observed: 1.96 ft at 9:00AM May 21, 2013Observed: 1.95 ft at 9:15AM May 21, 2013Observed: 1.95 ft at 9:30AM May 21, 2013Observed: 1.95 ft at 9:45AM May 21, 2013Observed: 1.95 ft at 10:00AM May 21, 2013Observed: 1.94 ft at 10:15AM May 21, 2013Observed: 1.94 ft at 10:16AM May 21, 2013Observed: 1.94 ft at 10:30AM May 21, 2013Observed: 1.94 ft at 10:45AM May 21, 2013Observed: 1.93 ft at 11:00AM May 21, 2013Observed: 1.93 ft at 11:15AM May 21, 2013Observed: 1.92 ft at 11:30AM May 21, 2013Observed: 1.93 ft at 11:45AM May 21, 2013Observed: 1.92 ft at 12:00PM May 21, 2013Observed: 1.92 ft at 12:15PM May 21, 2013Observed: 1.91 ft at 12:30PM May 21, 2013Observed: 1.91 ft at 12:45PM May 21, 2013Observed: 1.9 ft at 1:00PM May 21, 2013Observed: 1.9 ft at 1:15PM May 21, 2013Observed: 1.89 ft at 1:30PM May 21, 2013Observed: 1.89 ft at 1:45PM May 21, 2013Observed: 1.89 ft at 2:00PM May 21, 2013Observed: 1.89 ft at 2:15PM May 21, 2013Observed: 1.89 ft at 2:30PM May 21, 2013Observed: 1.89 ft at 2:45PM May 21, 2013Observed: 1.9 ft at 3:00PM May 21, 2013Observed: 1.9 ft at 3:15PM May 21, 2013Observed: 1.9 ft at 3:30PM May 21, 2013Observed: 1.9 ft at 3:45PM May 21, 2013Observed: 1.9 ft at 4:00PM May 21, 2013Observed: 1.9 ft at 4:15PM May 21, 2013Observed: 1.9 ft at 4:16PM May 21, 2013Observed: 1.9 ft at 4:30PM May 21, 2013Observed: 1.91 ft at 4:45PM May 21, 2013Observed: 1.9 ft at 5:00PM May 21, 2013Observed: 1.91 ft at 5:15PM May 21, 2013Observed: 1.91 ft at 5:30PM May 21, 2013Observed: 1.91 ft at 5:45PM May 21, 2013Observed: 1.91 ft at 6:00PM May 21, 2013Observed: 1.91 ft at 6:15PM May 21, 2013Observed: 1.91 ft at 6:30PM May 21, 2013Observed: 1.92 ft at 6:45PM May 21, 2013Observed: 1.92 ft at 7:00PM May 21, 2013Observed: 1.92 ft at 7:15PM May 21, 2013Observed: 1.92 ft at 7:30PM May 21, 2013Observed: 1.92 ft at 7:45PM May 21, 2013Observed: 1.92 ft at 8:00PM May 21, 2013Observed: 1.92 ft at 8:15PM May 21, 2013Observed: 1.92 ft at 8:30PM May 21, 2013Observed: 1.92 ft at 8:45PM May 21, 2013Observed: 1.92 ft at 9:00PM May 21, 2013Observed: 1.92 ft at 9:15PM May 21, 2013Observed: 1.92 ft at 9:30PM May 21, 2013Observed: 1.92 ft at 9:45PM May 21, 2013Observed: 1.92 ft at 10:00PM May 21, 2013Observed: 1.92 ft at 10:15PM May 21, 2013Observed: 1.92 ft at 10:16PM May 21, 2013Observed: 1.96 ft at 10:30PM May 21, 2013Observed: 1.96 ft at 10:45PM May 21, 2013Observed: 1.96 ft at 11:00PM May 21, 2013Observed: 1.96 ft at 11:15PM May 21, 2013Observed: 1.97 ft at 11:30PM May 21, 2013Observed: 1.97 ft at 11:45PM May 21, 2013Observed: 1.97 ft at 12:00AM May 22, 2013Observed: 1.98 ft at 12:15AM May 22, 2013Observed: 1.98 ft at 12:30AM May 22, 2013Observed: 1.98 ft at 12:45AM May 22, 2013Observed: 1.99 ft at 1:00AM May 22, 2013Observed: 2 ft at 1:15AM May 22, 2013Observed: 2 ft at 1:30AM May 22, 2013Observed: 2.01 ft at 1:45AM May 22, 2013Observed: 2.02 ft at 2:00AM May 22, 2013Observed: 2.02 ft at 2:15AM May 22, 2013Observed: 2.03 ft at 2:30AM May 22, 2013Observed: 2.04 ft at 2:45AM May 22, 2013Observed: 2.06 ft at 3:00AM May 22, 2013Observed: 2.08 ft at 3:15AM May 22, 2013Observed: 2.1 ft at 3:30AM May 22, 2013Observed: 2.13 ft at 3:45AM May 22, 2013Observed: 2.16 ft at 4:00AM May 22, 2013Observed: 2.2 ft at 4:15AM May 22, 2013Observed: 2.2 ft at 4:16AM May 22, 2013Observed: 2.24 ft at 4:30AM May 22, 2013Observed: 2.29 ft at 4:45AM May 22, 2013Observed: 2.32 ft at 5:00AM May 22, 2013Observed: 2.36 ft at 5:15AM May 22, 2013Observed: 2.41 ft at 5:30AM May 22, 2013Observed: 2.6 ft at 6:45AM May 22, 2013Observed: 2.64 ft at 7:00AM May 22, 2013Observed: 2.69 ft at 7:15AM May 22, 2013Observed: 2.74 ft at 7:30AM May 22, 2013Observed: 2.78 ft at 7:45AM May 22, 2013Observed: 2.82 ft at 8:00AM May 22, 2013Observed: 2.86 ft at 8:15AM May 22, 2013Observed: 2.9 ft at 8:30AM May 22, 2013Observed: 2.94 ft at 8:45AM May 22, 2013Observed: 2.99 ft at 9:00AM May 22, 2013Observed: 3.03 ft at 9:15AM May 22, 2013Observed: 3.06 ft at 9:30AM May 22, 2013Observed: 3.1 ft at 9:45AM May 22, 2013Observed: 3.14 ft at 10:00AM May 22, 2013Observed: 3.17 ft at 10:15AM May 22, 2013Observed: 3.17 ft at 10:16AM May 22, 2013Observed: 3.2 ft at 10:30AM May 22, 2013Observed: 3.23 ft at 10:45AM May 22, 2013Observed: 3.26 ft at 11:00AM May 22, 2013Observed: 3.29 ft at 11:15AM May 22, 2013Highest Observation: 3.32 ft at 11:30AM May 22, 2013Forecast: 3.7 ft 2:00PM May 22, 2013Forecast: 4.2 ft 8:00PM May 22, 2013Forecast: 4.4 ft 2:00AM May 23, 2013Forecast: 4.4 ft 8:00AM May 23, 2013Forecast: 4.5 ft 2:00PM May 23, 2013Forecast: 4.7 ft 8:00PM May 23, 2013Forecast: 5.9 ft 2:00AM May 24, 2013Highest Forecast: 8.8 ft 8:00AM May 24, 2013Forecast: 8.7 ft 2:00PM May 24, 2013Forecast: 7.8 ft 8:00PM May 24, 2013Forecast: 6.6 ft 2:00AM May 25, 2013Forecast: 5.9 ft 8:00AM May 25, 2013USGS--Water Resources of the United StatesPLMN3(plotting HGIRG) Graph Created (12:03PM May 22, 2013)ObservedForecast (issued 11:20AM May 22)Latest observed value: 3.32 ft at 11:30 AM EDT 22-May-2013. Flood Stage is 13 ft
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About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Pemigewasset River at Plymouth are issued routinely year-round.
Return to Area Map
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
Show More Historical Crests

Low Water Records
Legend
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
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  

Other Data Sources:
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
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: 13-Mar-2013 6:28 PM 		Disclaimer
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