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Hydrograph River at a Glance Download
Lamprey River near Newmarket Stage (ft)Flow (kcfs)Observed: 0.55 ft at 1:30AM Aug 12, 2020Observed: 0.55 ft at 1:45AM Aug 12, 2020Observed: 0.55 ft at 2:00AM Aug 12, 2020Observed: 0.55 ft at 2:15AM Aug 12, 2020Observed: 0.55 ft at 2:30AM Aug 12, 2020Observed: 0.55 ft at 2:45AM Aug 12, 2020Observed: 0.55 ft at 3:00AM Aug 12, 2020Observed: 0.55 ft at 3:15AM Aug 12, 2020Observed: 0.55 ft at 3:30AM Aug 12, 2020Observed: 0.55 ft at 3:45AM Aug 12, 2020Observed: 0.55 ft at 4:00AM Aug 12, 2020Observed: 0.55 ft at 4:15AM Aug 12, 2020Observed: 0.55 ft at 4:30AM Aug 12, 2020Observed: 0.55 ft at 4:45AM Aug 12, 2020Observed: 0.55 ft at 5:00AM Aug 12, 2020Observed: 0.55 ft at 5:15AM Aug 12, 2020Observed: 0.55 ft at 5:30AM Aug 12, 2020Observed: 0.55 ft at 5:45AM Aug 12, 2020Observed: 0.55 ft at 6:00AM Aug 12, 2020Observed: 0.55 ft at 6:15AM Aug 12, 2020Observed: 0.55 ft at 6:30AM Aug 12, 2020Observed: 0.55 ft at 6:45AM Aug 12, 2020Observed: 0.55 ft at 7:00AM Aug 12, 2020Observed: 0.55 ft at 7:15AM Aug 12, 2020Observed: 0.55 ft at 7:30AM Aug 12, 2020Observed: 0.55 ft at 7:45AM Aug 12, 2020Observed: 0.55 ft at 8:00AM Aug 12, 2020Observed: 0.55 ft at 8:15AM Aug 12, 2020Observed: 0.55 ft at 8:30AM Aug 12, 2020Highest Observation: 0.56 ft at 8:45AM Aug 12, 2020Observed: 0.55 ft at 9:00AM Aug 12, 2020Observed: 0.55 ft at 9:15AM Aug 12, 2020Observed: 0.55 ft at 9:30AM Aug 12, 2020Observed: 0.55 ft at 9:45AM Aug 12, 2020Observed: 0.55 ft at 10:00AM Aug 12, 2020Observed: 0.55 ft at 10:15AM Aug 12, 2020Observed: 0.55 ft at 10:30AM Aug 12, 2020Observed: 0.55 ft at 10:45AM Aug 12, 2020Observed: 0.55 ft at 11:00AM Aug 12, 2020Observed: 0.55 ft at 11:15AM Aug 12, 2020Observed: 0.55 ft at 11:30AM Aug 12, 2020Observed: 0.55 ft at 11:45AM Aug 12, 2020Observed: 0.55 ft at 12:00PM Aug 12, 2020Observed: 0.55 ft at 12:15PM Aug 12, 2020Observed: 0.55 ft at 12:30PM Aug 12, 2020Observed: 0.55 ft at 12:45PM Aug 12, 2020Observed: 0.55 ft at 1:00PM Aug 12, 2020Observed: 0.55 ft at 1:15PM Aug 12, 2020Observed: 0.55 ft at 1:30PM Aug 12, 2020Observed: 0.55 ft at 1:45PM Aug 12, 2020Observed: 0.55 ft at 2:00PM Aug 12, 2020Observed: 0.55 ft at 2:15PM Aug 12, 2020Observed: 0.55 ft at 2:30PM Aug 12, 2020Observed: 0.55 ft at 2:45PM Aug 12, 2020Observed: 0.55 ft at 3:00PM Aug 12, 2020Observed: 0.54 ft at 3:15PM Aug 12, 2020Observed: 0.54 ft at 3:30PM Aug 12, 2020Observed: 0.54 ft at 3:45PM Aug 12, 2020Observed: 0.53 ft at 4:00PM Aug 12, 2020Observed: 0.53 ft at 4:15PM Aug 12, 2020Observed: 0.53 ft at 4:30PM Aug 12, 2020Observed: 0.53 ft at 4:45PM Aug 12, 2020Observed: 0.53 ft at 5:00PM Aug 12, 2020Observed: 0.53 ft at 5:15PM Aug 12, 2020Observed: 0.53 ft at 5:30PM Aug 12, 2020Observed: 0.53 ft at 5:45PM Aug 12, 2020Observed: 0.53 ft at 6:00PM Aug 12, 2020Observed: 0.53 ft at 6:15PM Aug 12, 2020Observed: 0.53 ft at 6:30PM Aug 12, 2020Observed: 0.53 ft at 6:45PM Aug 12, 2020Observed: 0.53 ft at 7:00PM Aug 12, 2020Observed: 0.53 ft at 7:15PM Aug 12, 2020Observed: 0.53 ft at 7:30PM Aug 12, 2020Observed: 0.53 ft at 7:45PM Aug 12, 2020Observed: 0.53 ft at 8:00PM Aug 12, 2020Observed: 0.53 ft at 8:15PM Aug 12, 2020Observed: 0.53 ft at 8:30PM Aug 12, 2020Observed: 0.53 ft at 8:45PM Aug 12, 2020Observed: 0.53 ft at 9:00PM Aug 12, 2020Observed: 0.53 ft at 9:15PM Aug 12, 2020Observed: 0.53 ft at 9:30PM Aug 12, 2020Observed: 0.53 ft at 9:45PM Aug 12, 2020Observed: 0.53 ft at 10:00PM Aug 12, 2020Observed: 0.53 ft at 10:15PM Aug 12, 2020Observed: 0.53 ft at 10:30PM Aug 12, 2020Observed: 0.53 ft at 10:45PM Aug 12, 2020Observed: 0.53 ft at 11:00PM Aug 12, 2020Observed: 0.53 ft at 11:15PM Aug 12, 2020Observed: 0.53 ft at 11:30PM Aug 12, 2020Observed: 0.53 ft at 11:45PM Aug 12, 2020Observed: 0.53 ft at 12:00AM Aug 13, 2020Observed: 0.53 ft at 12:15AM Aug 13, 2020Observed: 0.53 ft at 12:30AM Aug 13, 2020Observed: 0.53 ft at 12:45AM Aug 13, 2020Observed: 0.53 ft at 1:00AM Aug 13, 2020Observed: 0.53 ft at 1:15AM Aug 13, 2020Observed: 0.53 ft at 1:30AM Aug 13, 2020Observed: 0.53 ft at 1:45AM Aug 13, 2020Observed: 0.53 ft at 2:00AM Aug 13, 2020Observed: 0.53 ft at 2:15AM Aug 13, 2020Observed: 0.53 ft at 2:30AM Aug 13, 2020Observed: 0.53 ft at 2:45AM Aug 13, 2020Observed: 0.53 ft at 3:00AM Aug 13, 2020Observed: 0.53 ft at 3:15AM Aug 13, 2020Observed: 0.53 ft at 3:30AM Aug 13, 2020Observed: 0.53 ft at 3:45AM Aug 13, 2020Observed: 0.53 ft at 4:00AM Aug 13, 2020Observed: 0.53 ft at 4:15AM Aug 13, 2020Observed: 0.53 ft at 4:30AM Aug 13, 2020Observed: 0.53 ft at 4:45AM Aug 13, 2020Observed: 0.53 ft at 5:00AM Aug 13, 2020Observed: 0.53 ft at 5:15AM Aug 13, 2020Observed: 0.53 ft at 5:30AM Aug 13, 2020Observed: 0.53 ft at 5:45AM Aug 13, 2020Observed: 0.53 ft at 6:00AM Aug 13, 2020Observed: 0.53 ft at 6:15AM Aug 13, 2020Observed: 0.53 ft at 6:30AM Aug 13, 2020Observed: 0.53 ft at 6:45AM Aug 13, 2020Observed: 0.53 ft at 7:00AM Aug 13, 2020Observed: 0.53 ft at 7:15AM Aug 13, 2020Observed: 0.53 ft at 7:30AM Aug 13, 2020Observed: 0.53 ft at 7:45AM Aug 13, 2020Observed: 0.53 ft at 8:00AM Aug 13, 2020Observed: 0.53 ft at 8:15AM Aug 13, 2020Observed: 0.53 ft at 8:30AM Aug 13, 2020Observed: 0.53 ft at 8:45AM Aug 13, 2020Observed: 0.53 ft at 9:00AM Aug 13, 2020Observed: 0.53 ft at 9:15AM Aug 13, 2020Observed: 0.53 ft at 9:30AM Aug 13, 2020Observed: 0.53 ft at 9:45AM Aug 13, 2020Observed: 0.53 ft at 10:00AM Aug 13, 2020Observed: 0.53 ft at 10:15AM Aug 13, 2020Observed: 0.53 ft at 10:30AM Aug 13, 2020Observed: 0.52 ft at 10:45AM Aug 13, 2020Observed: 0.52 ft at 11:00AM Aug 13, 2020Observed: 0.52 ft at 11:15AM Aug 13, 2020Observed: 0.52 ft at 11:30AM Aug 13, 2020Observed: 0.52 ft at 11:45AM Aug 13, 2020Observed: 0.52 ft at 12:00PM Aug 13, 2020Observed: 0.52 ft at 12:15PM Aug 13, 2020Observed: 0.52 ft at 12:30PM Aug 13, 2020Observed: 0.52 ft at 12:45PM Aug 13, 2020Observed: 0.52 ft at 1:00PM Aug 13, 2020Observed: 0.51 ft at 1:15PM Aug 13, 2020Observed: 0.51 ft at 1:30PM Aug 13, 2020Observed: 0.51 ft at 1:45PM Aug 13, 2020Observed: 0.51 ft at 2:00PM Aug 13, 2020Observed: 0.51 ft at 2:15PM Aug 13, 2020Observed: 0.51 ft at 2:30PM Aug 13, 2020Observed: 0.51 ft at 2:45PM Aug 13, 2020Observed: 0.51 ft at 3:00PM Aug 13, 2020Observed: 0.51 ft at 3:15PM Aug 13, 2020Observed: 0.51 ft at 3:30PM Aug 13, 2020Observed: 0.51 ft at 3:45PM Aug 13, 2020Observed: 0.51 ft at 4:00PM Aug 13, 2020Observed: 0.51 ft at 4:15PM Aug 13, 2020Observed: 0.51 ft at 4:30PM Aug 13, 2020Observed: 0.51 ft at 4:45PM Aug 13, 2020Observed: 0.51 ft at 5:00PM Aug 13, 2020Observed: 0.51 ft at 5:15PM Aug 13, 2020Observed: 0.51 ft at 5:30PM Aug 13, 2020Observed: 0.51 ft at 5:45PM Aug 13, 2020Observed: 0.51 ft at 6:00PM Aug 13, 2020Observed: 0.51 ft at 6:15PM Aug 13, 2020Observed: 0.51 ft at 6:30PM Aug 13, 2020Observed: 0.51 ft at 6:45PM Aug 13, 2020Observed: 0.51 ft at 7:00PM Aug 13, 2020Observed: 0.51 ft at 7:15PM Aug 13, 2020Observed: 0.51 ft at 7:30PM Aug 13, 2020Observed: 0.51 ft at 7:45PM Aug 13, 2020Observed: 0.51 ft at 8:00PM Aug 13, 2020Observed: 0.51 ft at 8:15PM Aug 13, 2020Observed: 0.51 ft at 8:30PM Aug 13, 2020Observed: 0.51 ft at 8:45PM Aug 13, 2020Observed: 0.51 ft at 9:00PM Aug 13, 2020Observed: 0.51 ft at 9:15PM Aug 13, 2020Observed: 0.51 ft at 9:30PM Aug 13, 2020Observed: 0.51 ft at 9:45PM Aug 13, 2020Observed: 0.51 ft at 10:00PM Aug 13, 2020Observed: 0.51 ft at 10:15PM Aug 13, 2020Observed: 0.51 ft at 10:30PM Aug 13, 2020Observed: 0.51 ft at 10:45PM Aug 13, 2020Observed: 0.51 ft at 11:00PM Aug 13, 2020Observed: 0.51 ft at 11:15PM Aug 13, 2020Observed: 0.51 ft at 11:30PM Aug 13, 2020Observed: 0.51 ft at 11:45PM Aug 13, 2020Observed: 0.51 ft at 12:00AM Aug 14, 2020Observed: 0.51 ft at 12:15AM Aug 14, 2020Observed: 0.51 ft at 12:30AM Aug 14, 2020Observed: 0.51 ft at 12:45AM Aug 14, 2020Observed: 0.51 ft at 1:00AM Aug 14, 2020Observed: 0.51 ft at 1:15AM Aug 14, 2020Observed: 0.51 ft at 1:30AM Aug 14, 2020Observed: 0.51 ft at 1:45AM Aug 14, 2020Observed: 0.51 ft at 2:00AM Aug 14, 2020Observed: 0.51 ft at 2:15AM Aug 14, 2020Observed: 0.51 ft at 2:30AM Aug 14, 2020Observed: 0.51 ft at 2:45AM Aug 14, 2020Observed: 0.51 ft at 3:00AM Aug 14, 2020Observed: 0.51 ft at 3:15AM Aug 14, 2020Observed: 0.51 ft at 3:30AM Aug 14, 2020Observed: 0.51 ft at 3:45AM Aug 14, 2020Observed: 0.51 ft at 4:00AM Aug 14, 2020Observed: 0.51 ft at 4:15AM Aug 14, 2020Observed: 0.51 ft at 4:30AM Aug 14, 2020Observed: 0.51 ft at 4:45AM Aug 14, 2020Observed: 0.51 ft at 5:00AM Aug 14, 2020Observed: 0.51 ft at 5:15AM Aug 14, 2020Observed: 0.51 ft at 5:30AM Aug 14, 2020Observed: 0.51 ft at 5:45AM Aug 14, 2020Observed: 0.51 ft at 6:00AM Aug 14, 2020Observed: 0.51 ft at 6:15AM Aug 14, 2020Observed: 0.51 ft at 6:30AM Aug 14, 2020Observed: 0.51 ft at 6:45AM Aug 14, 2020Observed: 0.51 ft at 7:00AM Aug 14, 2020Observed: 0.51 ft at 7:15AM Aug 14, 2020Observed: 0.51 ft at 7:30AM Aug 14, 2020Observed: 0.51 ft at 7:45AM Aug 14, 2020Observed: 0.51 ft at 8:00AM Aug 14, 2020Observed: 0.51 ft at 8:15AM Aug 14, 2020Observed: 0.51 ft at 8:30AM Aug 14, 2020Observed: 0.51 ft at 8:45AM Aug 14, 2020Observed: 0.51 ft at 9:00AM Aug 14, 2020Observed: 0.51 ft at 9:15AM Aug 14, 2020Observed: 0.51 ft at 9:30AM Aug 14, 2020Observed: 0.51 ft at 9:45AM Aug 14, 2020Observed: 0.51 ft at 10:00AM Aug 14, 2020Observed: 0.5 ft at 10:15AM Aug 14, 2020Observed: 0.5 ft at 10:30AM Aug 14, 2020Observed: 0.5 ft at 10:45AM Aug 14, 2020Observed: 0.5 ft at 11:00AM Aug 14, 2020Observed: 0.5 ft at 11:15AM Aug 14, 2020Observed: 0.49 ft at 11:30AM Aug 14, 2020Observed: 0.49 ft at 11:45AM Aug 14, 2020Observed: 0.49 ft at 12:00PM Aug 14, 2020Observed: 0.49 ft at 12:15PM Aug 14, 2020Observed: 0.49 ft at 12:30PM Aug 14, 2020Observed: 0.49 ft at 12:45PM Aug 14, 2020Observed: 0.49 ft at 1:00PM Aug 14, 2020Observed: 0.49 ft at 1:15PM Aug 14, 2020Observed: 0.49 ft at 1:30PM Aug 14, 2020Observed: 0.49 ft at 1:45PM Aug 14, 2020Observed: 0.49 ft at 2:00PM Aug 14, 2020Observed: 0.49 ft at 2:15PM Aug 14, 2020Observed: 0.49 ft at 2:30PM Aug 14, 2020Observed: 0.49 ft at 2:45PM Aug 14, 2020Observed: 0.49 ft at 3:00PM Aug 14, 2020Observed: 0.49 ft at 3:15PM Aug 14, 2020Observed: 0.49 ft at 3:30PM Aug 14, 2020Observed: 0.49 ft at 3:45PM Aug 14, 2020Observed: 0.49 ft at 4:00PM Aug 14, 2020Observed: 0.49 ft at 4:15PM Aug 14, 2020Observed: 0.49 ft at 4:30PM Aug 14, 2020Observed: 0.48 ft at 4:45PM Aug 14, 2020Observed: 0.48 ft at 5:00PM Aug 14, 2020Observed: 0.48 ft at 5:15PM Aug 14, 2020Observed: 0.48 ft at 5:30PM Aug 14, 2020Observed: 0.48 ft at 5:45PM Aug 14, 2020Observed: 0.48 ft at 6:00PM Aug 14, 2020Observed: 0.48 ft at 6:15PM Aug 14, 2020Observed: 0.48 ft at 6:30PM Aug 14, 2020Observed: 0.48 ft at 6:45PM Aug 14, 2020Observed: 0.48 ft at 7:00PM Aug 14, 2020Observed: 0.48 ft at 7:15PM Aug 14, 2020Observed: 0.48 ft at 7:30PM Aug 14, 2020Observed: 0.48 ft at 7:45PM Aug 14, 2020Observed: 0.48 ft at 8:00PM Aug 14, 2020Observed: 0.48 ft at 8:15PM Aug 14, 2020Observed: 0.48 ft at 8:30PM Aug 14, 2020Observed: 0.48 ft at 8:45PM Aug 14, 2020Observed: 0.48 ft at 9:00PM Aug 14, 2020Observed: 0.48 ft at 9:15PM Aug 14, 2020Observed: 0.48 ft at 9:30PM Aug 14, 2020Observed: 0.48 ft at 9:45PM Aug 14, 2020Observed: 0.48 ft at 10:00PM Aug 14, 2020Observed: 0.48 ft at 10:15PM Aug 14, 2020Observed: 0.48 ft at 10:30PM Aug 14, 2020Observed: 0.48 ft at 10:45PM Aug 14, 2020Observed: 0.48 ft at 11:00PM Aug 14, 2020Observed: 0.48 ft at 11:15PM Aug 14, 2020Observed: 0.48 ft at 11:30PM Aug 14, 2020Observed: 0.48 ft at 11:45PM Aug 14, 2020Observed: 0.48 ft at 12:00AM Aug 15, 2020Observed: 0.48 ft at 12:15AM Aug 15, 2020USGS--Water Resources of the United StatesLAMN3(plotting HGIRG) Graph Created (1:21AM Aug 15, 2020)ObservedLatest observed value: 0.48 ft at 12:15 AM EDT 15-Aug-2020. Flood Stage is 8 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Lamprey River near Newmarket are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 12
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): 0

Historic Crests
(1) 18.31 ft on 05/16/2006
(2) 17.49 ft on 04/18/2007
(3) 15.14 ft on 04/07/1987
(4) 14.88 ft on 03/20/1936
(5) 14.81 ft on 03/16/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.81 ft on 03/16/2010
(2) 17.49 ft on 04/18/2007
(3) 18.31 ft on 05/16/2006
(4) 8.24 ft on 04/04/2005
(5) 11.54 ft on 04/03/2004
Show More Recent Crests

(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
17 Severe flooding in durham/newmarket/lee and epping.
15 Route 152 flooded in lee. Ashswamp Rd flooded in newmarket. Twin rivers condos flooded in newmarket. 5 feet of water on Bennett Rd.
13 1 foot of water on route 108 between durham and newmarket.
12 1 foot of water on Bennett Road. Homes on route 108 are isolated.
11.5 Route 108 starts to flood.
10 Bennett Road in durham starts to flood.
8 Minor lowland flooding.
About This Location Collapse

Latitude: 43.102586° N, Longitude: 70.952600° 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 Not Available Not Available 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:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.
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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