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Hydrograph River at a Glance Download
Lamprey River near Newmarket Stage (ft)Flow (kcfs)Highest Observation: 3.96 ft at 12:45AM Jul 23, 2021Highest Observation: 3.96 ft at 1:00AM Jul 23, 2021Observed: 3.95 ft at 1:15AM Jul 23, 2021Observed: 3.95 ft at 1:30AM Jul 23, 2021Observed: 3.95 ft at 1:45AM Jul 23, 2021Observed: 3.95 ft at 2:00AM Jul 23, 2021Observed: 3.94 ft at 2:15AM Jul 23, 2021Observed: 3.93 ft at 2:30AM Jul 23, 2021Observed: 3.93 ft at 2:45AM Jul 23, 2021Observed: 3.93 ft at 3:00AM Jul 23, 2021Observed: 3.92 ft at 3:15AM Jul 23, 2021Observed: 3.91 ft at 3:30AM Jul 23, 2021Observed: 3.91 ft at 3:45AM Jul 23, 2021Observed: 3.91 ft at 4:00AM Jul 23, 2021Observed: 3.91 ft at 4:15AM Jul 23, 2021Observed: 3.9 ft at 4:30AM Jul 23, 2021Observed: 3.89 ft at 4:45AM Jul 23, 2021Observed: 3.89 ft at 5:00AM Jul 23, 2021Observed: 3.88 ft at 5:15AM Jul 23, 2021Observed: 3.88 ft at 5:30AM Jul 23, 2021Observed: 3.87 ft at 5:45AM Jul 23, 2021Observed: 3.87 ft at 6:00AM Jul 23, 2021Observed: 3.87 ft at 6:15AM Jul 23, 2021Observed: 3.87 ft at 6:30AM Jul 23, 2021Observed: 3.86 ft at 6:45AM Jul 23, 2021Observed: 3.85 ft at 7:00AM Jul 23, 2021Observed: 3.85 ft at 7:15AM Jul 23, 2021Observed: 3.85 ft at 7:30AM Jul 23, 2021Observed: 3.84 ft at 7:45AM Jul 23, 2021Observed: 3.83 ft at 8:00AM Jul 23, 2021Observed: 3.83 ft at 8:15AM Jul 23, 2021Observed: 3.83 ft at 8:30AM Jul 23, 2021Observed: 3.83 ft at 8:45AM Jul 23, 2021Observed: 3.82 ft at 9:00AM Jul 23, 2021Observed: 3.81 ft at 9:15AM Jul 23, 2021Observed: 3.81 ft at 9:30AM Jul 23, 2021Observed: 3.8 ft at 9:45AM Jul 23, 2021Observed: 3.8 ft at 10:00AM Jul 23, 2021Observed: 3.79 ft at 10:15AM Jul 23, 2021Observed: 3.79 ft at 10:30AM Jul 23, 2021Observed: 3.79 ft at 10:45AM Jul 23, 2021Observed: 3.79 ft at 11:00AM Jul 23, 2021Observed: 3.77 ft at 11:15AM Jul 23, 2021Observed: 3.77 ft at 11:30AM Jul 23, 2021Observed: 3.77 ft at 11:45AM Jul 23, 2021Observed: 3.77 ft at 12:00PM Jul 23, 2021Observed: 3.76 ft at 12:15PM Jul 23, 2021Observed: 3.76 ft at 12:30PM Jul 23, 2021Observed: 3.75 ft at 12:45PM Jul 23, 2021Observed: 3.75 ft at 1:00PM Jul 23, 2021Observed: 3.75 ft at 1:15PM Jul 23, 2021Observed: 3.75 ft at 1:30PM Jul 23, 2021Observed: 3.75 ft at 1:45PM Jul 23, 2021Observed: 3.73 ft at 2:00PM Jul 23, 2021Observed: 3.73 ft at 2:15PM Jul 23, 2021Observed: 3.73 ft at 2:30PM Jul 23, 2021Observed: 3.72 ft at 2:45PM Jul 23, 2021Observed: 3.71 ft at 3:00PM Jul 23, 2021Observed: 3.71 ft at 3:15PM Jul 23, 2021Observed: 3.69 ft at 3:30PM Jul 23, 2021Observed: 3.69 ft at 3:45PM Jul 23, 2021Observed: 3.69 ft at 4:00PM Jul 23, 2021Observed: 3.69 ft at 4:15PM Jul 23, 2021Observed: 3.68 ft at 4:30PM Jul 23, 2021Observed: 3.68 ft at 4:45PM Jul 23, 2021Observed: 3.67 ft at 5:00PM Jul 23, 2021Observed: 3.67 ft at 5:15PM Jul 23, 2021Observed: 3.67 ft at 5:30PM Jul 23, 2021Observed: 3.66 ft at 5:45PM Jul 23, 2021Observed: 3.65 ft at 6:00PM Jul 23, 2021Observed: 3.65 ft at 6:15PM Jul 23, 2021Observed: 3.65 ft at 6:30PM Jul 23, 2021Observed: 3.64 ft at 6:45PM Jul 23, 2021Observed: 3.63 ft at 7:00PM Jul 23, 2021Observed: 3.63 ft at 7:15PM Jul 23, 2021Observed: 3.63 ft at 7:30PM Jul 23, 2021Observed: 3.61 ft at 7:45PM Jul 23, 2021Observed: 3.61 ft at 8:00PM Jul 23, 2021Observed: 3.61 ft at 8:15PM Jul 23, 2021Observed: 3.61 ft at 8:30PM Jul 23, 2021Observed: 3.61 ft at 8:45PM Jul 23, 2021Observed: 3.6 ft at 9:00PM Jul 23, 2021Observed: 3.6 ft at 9:15PM Jul 23, 2021Observed: 3.6 ft at 9:30PM Jul 23, 2021Observed: 3.59 ft at 9:45PM Jul 23, 2021Observed: 3.59 ft at 10:00PM Jul 23, 2021Observed: 3.58 ft at 10:15PM Jul 23, 2021Observed: 3.57 ft at 10:30PM Jul 23, 2021Observed: 3.58 ft at 10:45PM Jul 23, 2021Observed: 3.57 ft at 11:00PM Jul 23, 2021Observed: 3.57 ft at 11:15PM Jul 23, 2021Observed: 3.57 ft at 11:30PM Jul 23, 2021Observed: 3.56 ft at 11:45PM Jul 23, 2021Observed: 3.56 ft at 12:00AM Jul 24, 2021Observed: 3.56 ft at 12:15AM Jul 24, 2021Observed: 3.55 ft at 12:30AM Jul 24, 2021Observed: 3.55 ft at 12:45AM Jul 24, 2021Observed: 3.55 ft at 1:00AM Jul 24, 2021Observed: 3.53 ft at 1:15AM Jul 24, 2021Observed: 3.53 ft at 1:30AM Jul 24, 2021Observed: 3.53 ft at 1:45AM Jul 24, 2021Observed: 3.53 ft at 2:00AM Jul 24, 2021Observed: 3.52 ft at 2:15AM Jul 24, 2021Observed: 3.52 ft at 2:30AM Jul 24, 2021Observed: 3.51 ft at 2:45AM Jul 24, 2021Observed: 3.51 ft at 3:00AM Jul 24, 2021Observed: 3.51 ft at 3:15AM Jul 24, 2021Observed: 3.49 ft at 3:30AM Jul 24, 2021Observed: 3.49 ft at 3:45AM Jul 24, 2021Observed: 3.49 ft at 4:00AM Jul 24, 2021Observed: 3.48 ft at 4:15AM Jul 24, 2021Observed: 3.48 ft at 4:30AM Jul 24, 2021Observed: 3.47 ft at 4:45AM Jul 24, 2021Observed: 3.47 ft at 5:00AM Jul 24, 2021Observed: 3.47 ft at 5:15AM Jul 24, 2021Observed: 3.45 ft at 5:30AM Jul 24, 2021Observed: 3.45 ft at 5:45AM Jul 24, 2021Observed: 3.45 ft at 6:00AM Jul 24, 2021Observed: 3.45 ft at 6:15AM Jul 24, 2021Observed: 3.44 ft at 6:30AM Jul 24, 2021Observed: 3.44 ft at 6:45AM Jul 24, 2021Observed: 3.43 ft at 7:00AM Jul 24, 2021Observed: 3.43 ft at 7:15AM Jul 24, 2021Observed: 3.42 ft at 7:30AM Jul 24, 2021Observed: 3.41 ft at 7:45AM Jul 24, 2021Observed: 3.41 ft at 8:00AM Jul 24, 2021Observed: 3.4 ft at 8:15AM Jul 24, 2021Observed: 3.41 ft at 8:30AM Jul 24, 2021Observed: 3.4 ft at 8:45AM Jul 24, 2021Observed: 3.39 ft at 9:00AM Jul 24, 2021Observed: 3.39 ft at 9:15AM Jul 24, 2021Observed: 3.37 ft at 9:30AM Jul 24, 2021Observed: 3.37 ft at 9:45AM Jul 24, 2021Observed: 3.37 ft at 10:00AM Jul 24, 2021Observed: 3.36 ft at 10:15AM Jul 24, 2021Observed: 3.35 ft at 10:30AM Jul 24, 2021Observed: 3.35 ft at 10:45AM Jul 24, 2021Observed: 3.34 ft at 11:00AM Jul 24, 2021Observed: 3.33 ft at 11:15AM Jul 24, 2021Observed: 3.33 ft at 11:30AM Jul 24, 2021Observed: 3.32 ft at 11:45AM Jul 24, 2021Observed: 3.31 ft at 12:00PM Jul 24, 2021Observed: 3.31 ft at 12:15PM Jul 24, 2021Observed: 3.31 ft at 12:30PM Jul 24, 2021Observed: 3.29 ft at 12:45PM Jul 24, 2021Observed: 3.28 ft at 1:00PM Jul 24, 2021Observed: 3.28 ft at 1:15PM Jul 24, 2021Observed: 3.27 ft at 1:30PM Jul 24, 2021Observed: 3.27 ft at 1:45PM Jul 24, 2021Observed: 3.25 ft at 2:00PM Jul 24, 2021Observed: 3.25 ft at 2:15PM Jul 24, 2021Observed: 3.25 ft at 2:30PM Jul 24, 2021Observed: 3.24 ft at 2:45PM Jul 24, 2021Observed: 3.23 ft at 3:00PM Jul 24, 2021Observed: 3.22 ft at 3:15PM Jul 24, 2021Observed: 3.21 ft at 3:30PM Jul 24, 2021Observed: 3.21 ft at 3:45PM Jul 24, 2021Observed: 3.2 ft at 4:00PM Jul 24, 2021Observed: 3.19 ft at 4:15PM Jul 24, 2021Observed: 3.19 ft at 4:30PM Jul 24, 2021Observed: 3.19 ft at 4:45PM Jul 24, 2021Observed: 3.18 ft at 5:00PM Jul 24, 2021Observed: 3.17 ft at 5:15PM Jul 24, 2021Observed: 3.17 ft at 5:30PM Jul 24, 2021Observed: 3.16 ft at 5:45PM Jul 24, 2021Observed: 3.15 ft at 6:00PM Jul 24, 2021Observed: 3.15 ft at 6:15PM Jul 24, 2021Observed: 3.13 ft at 6:30PM Jul 24, 2021Observed: 3.13 ft at 6:45PM Jul 24, 2021Observed: 3.12 ft at 7:00PM Jul 24, 2021Observed: 3.12 ft at 7:15PM Jul 24, 2021Observed: 3.11 ft at 7:30PM Jul 24, 2021Observed: 3.11 ft at 7:45PM Jul 24, 2021Observed: 3.11 ft at 8:00PM Jul 24, 2021Observed: 3.09 ft at 8:15PM Jul 24, 2021Observed: 3.09 ft at 8:30PM Jul 24, 2021Observed: 3.09 ft at 8:45PM Jul 24, 2021Observed: 3.08 ft at 9:00PM Jul 24, 2021Observed: 3.07 ft at 9:15PM Jul 24, 2021Observed: 3.07 ft at 9:30PM Jul 24, 2021Observed: 3.07 ft at 9:45PM Jul 24, 2021Observed: 3.05 ft at 10:00PM Jul 24, 2021Observed: 3.05 ft at 10:15PM Jul 24, 2021Observed: 3.05 ft at 10:30PM Jul 24, 2021Observed: 3.04 ft at 10:45PM Jul 24, 2021Observed: 3.03 ft at 11:00PM Jul 24, 2021Observed: 3.03 ft at 11:15PM Jul 24, 2021Observed: 3.03 ft at 11:30PM Jul 24, 2021Observed: 3.03 ft at 11:45PM Jul 24, 2021Observed: 3.01 ft at 12:00AM Jul 25, 2021Observed: 3.01 ft at 12:15AM Jul 25, 2021Observed: 3.01 ft at 12:30AM Jul 25, 2021Observed: 3 ft at 12:45AM Jul 25, 2021Observed: 2.99 ft at 1:00AM Jul 25, 2021Observed: 2.99 ft at 1:15AM Jul 25, 2021Observed: 2.99 ft at 1:30AM Jul 25, 2021Observed: 2.99 ft at 1:45AM Jul 25, 2021Observed: 2.98 ft at 2:00AM Jul 25, 2021Observed: 2.97 ft at 2:15AM Jul 25, 2021Observed: 2.97 ft at 2:30AM Jul 25, 2021Observed: 2.97 ft at 2:45AM Jul 25, 2021Observed: 2.96 ft at 3:00AM Jul 25, 2021Observed: 2.96 ft at 3:15AM Jul 25, 2021Observed: 2.95 ft at 3:30AM Jul 25, 2021Observed: 2.95 ft at 3:45AM Jul 25, 2021Observed: 2.95 ft at 4:00AM Jul 25, 2021Observed: 2.95 ft at 4:15AM Jul 25, 2021Observed: 2.95 ft at 4:30AM Jul 25, 2021Observed: 2.94 ft at 4:45AM Jul 25, 2021Observed: 2.93 ft at 5:00AM Jul 25, 2021Observed: 2.93 ft at 5:15AM Jul 25, 2021Observed: 2.93 ft at 5:30AM Jul 25, 2021Observed: 2.93 ft at 5:45AM Jul 25, 2021Observed: 2.92 ft at 6:00AM Jul 25, 2021Observed: 2.92 ft at 6:15AM Jul 25, 2021Observed: 2.91 ft at 6:30AM Jul 25, 2021Observed: 2.91 ft at 6:45AM Jul 25, 2021Observed: 2.91 ft at 7:00AM Jul 25, 2021Observed: 2.91 ft at 7:15AM Jul 25, 2021Observed: 2.91 ft at 7:30AM Jul 25, 2021Observed: 2.9 ft at 7:45AM Jul 25, 2021Observed: 2.89 ft at 8:00AM Jul 25, 2021Observed: 2.89 ft at 8:15AM Jul 25, 2021Observed: 2.89 ft at 8:30AM Jul 25, 2021Observed: 2.89 ft at 8:45AM Jul 25, 2021Observed: 2.88 ft at 9:00AM Jul 25, 2021Observed: 2.88 ft at 9:15AM Jul 25, 2021Observed: 2.88 ft at 9:30AM Jul 25, 2021Observed: 2.87 ft at 9:45AM Jul 25, 2021Observed: 2.87 ft at 10:00AM Jul 25, 2021Observed: 2.87 ft at 10:15AM Jul 25, 2021Observed: 2.88 ft at 10:30AM Jul 25, 2021Observed: 2.88 ft at 10:45AM Jul 25, 2021Observed: 2.89 ft at 11:00AM Jul 25, 2021Observed: 2.89 ft at 11:15AM Jul 25, 2021Observed: 2.89 ft at 11:30AM Jul 25, 2021Observed: 2.91 ft at 11:45AM Jul 25, 2021Observed: 2.91 ft at 12:00PM Jul 25, 2021Observed: 2.91 ft at 12:15PM Jul 25, 2021Observed: 2.91 ft at 12:30PM Jul 25, 2021Observed: 2.91 ft at 12:45PM Jul 25, 2021Observed: 2.91 ft at 1:00PM Jul 25, 2021Observed: 2.91 ft at 1:15PM Jul 25, 2021Observed: 2.91 ft at 1:30PM Jul 25, 2021Observed: 2.91 ft at 1:45PM Jul 25, 2021Observed: 2.9 ft at 2:00PM Jul 25, 2021Observed: 2.9 ft at 2:15PM Jul 25, 2021Observed: 2.91 ft at 2:30PM Jul 25, 2021Observed: 2.91 ft at 2:45PM Jul 25, 2021Observed: 2.91 ft at 3:00PM Jul 25, 2021Observed: 2.91 ft at 3:15PM Jul 25, 2021Observed: 2.91 ft at 3:30PM Jul 25, 2021Observed: 2.91 ft at 3:45PM Jul 25, 2021Observed: 2.91 ft at 4:00PM Jul 25, 2021Observed: 2.91 ft at 4:15PM Jul 25, 2021Observed: 2.91 ft at 4:30PM Jul 25, 2021Observed: 2.91 ft at 4:45PM Jul 25, 2021Observed: 2.91 ft at 5:00PM Jul 25, 2021Observed: 2.91 ft at 5:15PM Jul 25, 2021Observed: 2.91 ft at 5:30PM Jul 25, 2021Observed: 2.92 ft at 5:45PM Jul 25, 2021Observed: 2.92 ft at 6:00PM Jul 25, 2021Observed: 2.92 ft at 6:15PM Jul 25, 2021Observed: 2.92 ft at 6:30PM Jul 25, 2021Observed: 2.92 ft at 6:45PM Jul 25, 2021Observed: 2.92 ft at 7:00PM Jul 25, 2021Observed: 2.92 ft at 7:15PM Jul 25, 2021Observed: 2.92 ft at 7:30PM Jul 25, 2021Observed: 2.92 ft at 7:45PM Jul 25, 2021Observed: 2.92 ft at 8:00PM Jul 25, 2021Observed: 2.93 ft at 8:15PM Jul 25, 2021Observed: 2.92 ft at 8:30PM Jul 25, 2021Observed: 2.92 ft at 8:45PM Jul 25, 2021Observed: 2.93 ft at 9:00PM Jul 25, 2021Observed: 2.92 ft at 9:15PM Jul 25, 2021Observed: 2.93 ft at 9:30PM Jul 25, 2021Observed: 2.93 ft at 9:45PM Jul 25, 2021Observed: 2.92 ft at 10:00PM Jul 25, 2021Observed: 2.93 ft at 10:15PM Jul 25, 2021Observed: 2.92 ft at 10:30PM Jul 25, 2021Observed: 2.92 ft at 10:45PM Jul 25, 2021Observed: 2.92 ft at 11:00PM Jul 25, 2021Observed: 2.92 ft at 11:15PM Jul 25, 2021USGS--Water Resources of the United StatesLAMN3(plotting HGIRG) Graph Created (12:36AM Jul 26, 2021)ObservedLatest observed value: 2.92 ft at 11:15 PM EDT 25-Jul-2021. 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 occurs in Durham, Newmarket, Lee and Epping.
15 Route 152 in Lee floods. In Newmarket, Ashswamp Road and the Twin Rivers Condos flood. Flood waters up to 5 feet deep on Bennett Road.
13 Up to 1 foot of water on Route 108 between Durham and Newmarket.
12 Homes on Route 108 become isolated. Bennet Road has up to 1 foot of water on it.
11.5 Route 108 starts to flood.
10 Bennett Road in Durham starts to flood.
8 Minor lowland flooding begins.
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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