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This probabilistic forecast is issued by the Northeast River Forecast Center.
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Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey
About this graph
Forecasts for the Connecticut River at Dalton are issued routinely year-round.
Return to Area Map

Upstream Gauge - at North Stratford Upstream Gauge Downstream Gauge Downstream Gauge - at Wells River
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 22
Flood Stage: 17
Action Stage: 15
Low Stage (in feet): 0

Historic Crests
(1) 25.60 ft on 03/20/1936
(2) 23.70 ft on 04/01/1998
(3) 23.22 ft on 03/19/1990
(4) 22.38 ft on 03/28/1953
(5) 22.25 ft on 04/24/1954
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.15 ft on 04/17/2014
(2) 18.18 ft on 05/26/2013
(3) 22.07 ft on 04/29/2011
(4) 17.65 ft on 04/21/2008
(5) 18.35 ft on 04/25/2007
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
21 Route 102 in Guildhall, Vermont and Route 135 in South Lancaster, New Hampshire are flooded. Perras Road and Old Village Road in North Umblerland, New Hampshire are flooded. Munces Campground in Lancaster, New Hampshire is flooded.
20 In Lunenburg, Vermont, River Road is flooded between Mt. Orne Bridge and South Lunenburg Village.
17 Minor lowland flooding begins.

Other Real-time and/or Archive Data Sources:
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.
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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