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Hydrograph River at a Glance Download
Connecticut River at Thompsonville Stage (ft)Observed: 8.83 ft at 9:45AM Dec 08, 2016Observed: 8.82 ft at 10:00AM Dec 08, 2016Observed: 8.85 ft at 10:15AM Dec 08, 2016Observed: 8.83 ft at 10:30AM Dec 08, 2016Observed: 8.82 ft at 10:45AM Dec 08, 2016Observed: 8.83 ft at 11:00AM Dec 08, 2016Observed: 8.81 ft at 11:15AM Dec 08, 2016Observed: 8.81 ft at 11:30AM Dec 08, 2016Observed: 8.81 ft at 11:31AM Dec 08, 2016Observed: 8.81 ft at 11:45AM Dec 08, 2016Observed: 8.8 ft at 12:00PM Dec 08, 2016Observed: 8.81 ft at 12:15PM Dec 08, 2016Observed: 8.81 ft at 12:30PM Dec 08, 2016Observed: 8.81 ft at 12:45PM Dec 08, 2016Observed: 8.8 ft at 1:00PM Dec 08, 2016Observed: 8.8 ft at 1:15PM Dec 08, 2016Observed: 8.78 ft at 1:30PM Dec 08, 2016Observed: 8.79 ft at 1:45PM Dec 08, 2016Observed: 8.8 ft at 2:00PM Dec 08, 2016Observed: 8.77 ft at 2:15PM Dec 08, 2016Observed: 8.79 ft at 2:30PM Dec 08, 2016Observed: 8.76 ft at 2:45PM Dec 08, 2016Observed: 8.78 ft at 3:00PM Dec 08, 2016Observed: 8.78 ft at 3:15PM Dec 08, 2016Observed: 8.79 ft at 3:30PM Dec 08, 2016Observed: 8.79 ft at 3:45PM Dec 08, 2016Observed: 8.78 ft at 4:00PM Dec 08, 2016Observed: 8.78 ft at 4:15PM Dec 08, 2016Observed: 8.77 ft at 4:30PM Dec 08, 2016Observed: 8.77 ft at 4:45PM Dec 08, 2016Observed: 8.78 ft at 5:00PM Dec 08, 2016Observed: 8.78 ft at 5:15PM Dec 08, 2016Observed: 8.82 ft at 5:30PM Dec 08, 2016Observed: 8.82 ft at 5:31PM Dec 08, 2016Observed: 8.8 ft at 5:45PM Dec 08, 2016Observed: 8.82 ft at 6:00PM Dec 08, 2016Observed: 8.82 ft at 6:15PM Dec 08, 2016Observed: 8.81 ft at 6:30PM Dec 08, 2016Observed: 8.83 ft at 6:45PM Dec 08, 2016Observed: 8.82 ft at 7:00PM Dec 08, 2016Observed: 8.84 ft at 7:15PM Dec 08, 2016Observed: 8.85 ft at 7:30PM Dec 08, 2016Observed: 8.84 ft at 7:45PM Dec 08, 2016Observed: 8.84 ft at 8:00PM Dec 08, 2016Observed: 8.86 ft at 8:15PM Dec 08, 2016Observed: 8.87 ft at 8:30PM Dec 08, 2016Observed: 8.86 ft at 8:45PM Dec 08, 2016Observed: 8.86 ft at 9:00PM Dec 08, 2016Observed: 8.86 ft at 9:15PM Dec 08, 2016Observed: 8.88 ft at 9:30PM Dec 08, 2016Observed: 8.88 ft at 9:45PM Dec 08, 2016Observed: 8.88 ft at 10:00PM Dec 08, 2016Observed: 8.9 ft at 10:15PM Dec 08, 2016Observed: 8.91 ft at 10:30PM Dec 08, 2016Observed: 8.9 ft at 10:45PM Dec 08, 2016Observed: 8.9 ft at 11:00PM Dec 08, 2016Observed: 8.92 ft at 11:15PM Dec 08, 2016Observed: 8.91 ft at 11:30PM Dec 08, 2016Observed: 8.9 ft at 11:45PM Dec 08, 2016Observed: 8.92 ft at 12:00AM Dec 09, 2016Observed: 8.93 ft at 12:15AM Dec 09, 2016Observed: 8.94 ft at 12:30AM Dec 09, 2016Observed: 8.95 ft at 12:45AM Dec 09, 2016Observed: 8.96 ft at 1:00AM Dec 09, 2016Observed: 8.95 ft at 1:15AM Dec 09, 2016Observed: 8.96 ft at 1:30AM Dec 09, 2016Observed: 8.98 ft at 1:45AM Dec 09, 2016Observed: 8.97 ft at 2:00AM Dec 09, 2016Observed: 8.98 ft at 2:15AM Dec 09, 2016Observed: 8.99 ft at 2:30AM Dec 09, 2016Observed: 9 ft at 2:45AM Dec 09, 2016Observed: 9 ft at 3:00AM Dec 09, 2016Observed: 9 ft at 3:15AM Dec 09, 2016Observed: 9 ft at 3:30AM Dec 09, 2016Observed: 9 ft at 3:45AM Dec 09, 2016Observed: 9.01 ft at 4:00AM Dec 09, 2016Observed: 9.01 ft at 4:15AM Dec 09, 2016Observed: 9.03 ft at 4:30AM Dec 09, 2016Observed: 9.01 ft at 4:45AM Dec 09, 2016Observed: 9.02 ft at 5:00AM Dec 09, 2016Observed: 9.02 ft at 5:15AM Dec 09, 2016Observed: 9.03 ft at 5:30AM Dec 09, 2016Observed: 9.03 ft at 5:31AM Dec 09, 2016Observed: 9 ft at 5:45AM Dec 09, 2016Observed: 9.04 ft at 6:00AM Dec 09, 2016Observed: 9.04 ft at 6:15AM Dec 09, 2016Observed: 9.03 ft at 6:30AM Dec 09, 2016Observed: 9.06 ft at 6:45AM Dec 09, 2016Observed: 9.05 ft at 7:00AM Dec 09, 2016Highest Observation: 9.07 ft at 7:15AM Dec 09, 2016Observed: 9.05 ft at 7:30AM Dec 09, 2016Observed: 9.06 ft at 7:45AM Dec 09, 2016Observed: 9.05 ft at 8:00AM Dec 09, 2016Observed: 9.05 ft at 8:15AM Dec 09, 2016Highest Observation: 9.07 ft at 8:30AM Dec 09, 2016Observed: 9.06 ft at 8:45AM Dec 09, 2016Observed: 9.06 ft at 9:00AM Dec 09, 2016Observed: 9.04 ft at 9:15AM Dec 09, 2016Observed: 9.06 ft at 9:30AM Dec 09, 2016Observed: 9.06 ft at 9:45AM Dec 09, 2016Observed: 9.03 ft at 10:00AM Dec 09, 2016Observed: 9.02 ft at 10:15AM Dec 09, 2016Observed: 9.01 ft at 10:30AM Dec 09, 2016Observed: 8.99 ft at 10:45AM Dec 09, 2016Observed: 8.98 ft at 11:00AM Dec 09, 2016Observed: 8.96 ft at 11:15AM Dec 09, 2016Observed: 8.95 ft at 11:30AM Dec 09, 2016Observed: 8.95 ft at 11:31AM Dec 09, 2016Observed: 8.94 ft at 11:45AM Dec 09, 2016Observed: 8.94 ft at 12:00PM Dec 09, 2016Observed: 8.91 ft at 12:15PM Dec 09, 2016Observed: 8.91 ft at 12:30PM Dec 09, 2016Observed: 8.91 ft at 12:45PM Dec 09, 2016Observed: 8.88 ft at 1:00PM Dec 09, 2016Observed: 8.87 ft at 1:15PM Dec 09, 2016Observed: 8.84 ft at 1:30PM Dec 09, 2016Observed: 8.82 ft at 1:45PM Dec 09, 2016Observed: 8.8 ft at 2:00PM Dec 09, 2016Observed: 8.77 ft at 2:15PM Dec 09, 2016Observed: 8.76 ft at 2:30PM Dec 09, 2016Observed: 8.73 ft at 2:45PM Dec 09, 2016Observed: 8.71 ft at 3:00PM Dec 09, 2016Observed: 8.7 ft at 3:15PM Dec 09, 2016Observed: 8.68 ft at 3:30PM Dec 09, 2016Observed: 8.67 ft at 3:45PM Dec 09, 2016Observed: 8.65 ft at 4:00PM Dec 09, 2016Observed: 8.63 ft at 4:15PM Dec 09, 2016Observed: 8.64 ft at 4:30PM Dec 09, 2016Observed: 8.6 ft at 4:45PM Dec 09, 2016Observed: 8.6 ft at 5:00PM Dec 09, 2016Observed: 8.57 ft at 5:15PM Dec 09, 2016Observed: 8.57 ft at 5:30PM Dec 09, 2016Observed: 8.57 ft at 5:31PM Dec 09, 2016Observed: 8.56 ft at 5:45PM Dec 09, 2016Observed: 8.55 ft at 6:00PM Dec 09, 2016Observed: 8.54 ft at 6:15PM Dec 09, 2016Observed: 8.54 ft at 6:30PM Dec 09, 2016Observed: 8.53 ft at 6:45PM Dec 09, 2016Observed: 8.52 ft at 7:00PM Dec 09, 2016Observed: 8.49 ft at 7:15PM Dec 09, 2016Observed: 8.5 ft at 7:30PM Dec 09, 2016Observed: 8.48 ft at 7:45PM Dec 09, 2016Observed: 8.5 ft at 8:00PM Dec 09, 2016Observed: 8.5 ft at 8:15PM Dec 09, 2016Observed: 8.5 ft at 8:30PM Dec 09, 2016Observed: 8.5 ft at 8:45PM Dec 09, 2016Observed: 8.49 ft at 9:00PM Dec 09, 2016Observed: 8.5 ft at 9:15PM Dec 09, 2016Observed: 8.52 ft at 9:30PM Dec 09, 2016Observed: 8.52 ft at 9:45PM Dec 09, 2016Observed: 8.51 ft at 10:00PM Dec 09, 2016Observed: 8.52 ft at 10:15PM Dec 09, 2016Observed: 8.51 ft at 10:30PM Dec 09, 2016Observed: 8.51 ft at 10:45PM Dec 09, 2016Observed: 8.51 ft at 11:00PM Dec 09, 2016Observed: 8.51 ft at 11:15PM Dec 09, 2016Observed: 8.51 ft at 11:30PM Dec 09, 2016Observed: 8.51 ft at 11:31PM Dec 09, 2016Observed: 8.52 ft at 11:45PM Dec 09, 2016Observed: 8.52 ft at 12:00AM Dec 10, 2016Observed: 8.53 ft at 12:15AM Dec 10, 2016Observed: 8.54 ft at 12:30AM Dec 10, 2016Observed: 8.55 ft at 12:45AM Dec 10, 2016Observed: 8.57 ft at 1:00AM Dec 10, 2016Observed: 8.58 ft at 1:15AM Dec 10, 2016Observed: 8.58 ft at 1:30AM Dec 10, 2016Observed: 8.58 ft at 1:45AM Dec 10, 2016Observed: 8.6 ft at 2:00AM Dec 10, 2016Observed: 8.6 ft at 2:15AM Dec 10, 2016Observed: 8.6 ft at 2:30AM Dec 10, 2016Observed: 8.64 ft at 2:45AM Dec 10, 2016Observed: 8.63 ft at 3:00AM Dec 10, 2016Observed: 8.63 ft at 3:15AM Dec 10, 2016Observed: 8.64 ft at 3:30AM Dec 10, 2016Observed: 8.64 ft at 3:45AM Dec 10, 2016Observed: 8.65 ft at 4:00AM Dec 10, 2016Observed: 8.64 ft at 4:15AM Dec 10, 2016Observed: 8.67 ft at 4:30AM Dec 10, 2016Observed: 8.67 ft at 4:45AM Dec 10, 2016Observed: 8.67 ft at 5:00AM Dec 10, 2016Observed: 8.68 ft at 5:15AM Dec 10, 2016Observed: 8.68 ft at 5:30AM Dec 10, 2016Observed: 8.68 ft at 5:31AM Dec 10, 2016Observed: 8.68 ft at 5:45AM Dec 10, 2016Observed: 8.69 ft at 6:00AM Dec 10, 2016Observed: 8.69 ft at 6:15AM Dec 10, 2016Observed: 8.68 ft at 6:30AM Dec 10, 2016Observed: 8.68 ft at 6:45AM Dec 10, 2016Observed: 8.69 ft at 7:00AM Dec 10, 2016Observed: 8.71 ft at 7:15AM Dec 10, 2016Observed: 8.7 ft at 7:30AM Dec 10, 2016Observed: 8.7 ft at 7:45AM Dec 10, 2016Observed: 8.7 ft at 8:00AM Dec 10, 2016Observed: 8.7 ft at 8:15AM Dec 10, 2016Observed: 8.71 ft at 8:30AM Dec 10, 2016Observed: 8.72 ft at 8:45AM Dec 10, 2016Observed: 8.71 ft at 9:00AM Dec 10, 2016Observed: 8.73 ft at 9:15AM Dec 10, 2016Observed: 8.73 ft at 9:30AM Dec 10, 2016Observed: 8.72 ft at 9:45AM Dec 10, 2016Observed: 8.72 ft at 10:00AM Dec 10, 2016Observed: 8.71 ft at 10:15AM Dec 10, 2016Observed: 8.71 ft at 10:30AM Dec 10, 2016Observed: 8.72 ft at 10:45AM Dec 10, 2016Observed: 8.7 ft at 11:00AM Dec 10, 2016Observed: 8.7 ft at 11:15AM Dec 10, 2016Observed: 8.69 ft at 11:30AM Dec 10, 2016Observed: 8.69 ft at 11:31AM Dec 10, 2016Observed: 8.68 ft at 11:45AM Dec 10, 2016Observed: 8.69 ft at 12:00PM Dec 10, 2016Observed: 8.67 ft at 12:15PM Dec 10, 2016Observed: 8.65 ft at 12:30PM Dec 10, 2016Observed: 8.66 ft at 12:45PM Dec 10, 2016Observed: 8.66 ft at 1:00PM Dec 10, 2016Observed: 8.65 ft at 1:15PM Dec 10, 2016Observed: 8.66 ft at 1:30PM Dec 10, 2016Observed: 8.64 ft at 1:45PM Dec 10, 2016Observed: 8.65 ft at 2:00PM Dec 10, 2016Observed: 8.63 ft at 2:15PM Dec 10, 2016Observed: 8.63 ft at 2:30PM Dec 10, 2016Observed: 8.63 ft at 2:45PM Dec 10, 2016Observed: 8.62 ft at 3:00PM Dec 10, 2016Observed: 8.62 ft at 3:15PM Dec 10, 2016Observed: 8.62 ft at 3:30PM Dec 10, 2016Observed: 8.62 ft at 3:45PM Dec 10, 2016Observed: 8.61 ft at 4:00PM Dec 10, 2016Observed: 8.6 ft at 4:15PM Dec 10, 2016Observed: 8.62 ft at 4:30PM Dec 10, 2016Observed: 8.6 ft at 4:45PM Dec 10, 2016Observed: 8.59 ft at 5:00PM Dec 10, 2016Observed: 8.6 ft at 5:15PM Dec 10, 2016Observed: 8.6 ft at 5:30PM Dec 10, 2016Observed: 8.58 ft at 5:45PM Dec 10, 2016Observed: 8.58 ft at 5:46PM Dec 10, 2016Observed: 8.58 ft at 6:00PM Dec 10, 2016Observed: 8.57 ft at 6:15PM Dec 10, 2016Observed: 8.58 ft at 6:30PM Dec 10, 2016Observed: 8.58 ft at 6:45PM Dec 10, 2016Observed: 8.57 ft at 7:00PM Dec 10, 2016Observed: 8.58 ft at 7:15PM Dec 10, 2016Observed: 8.58 ft at 7:30PM Dec 10, 2016Observed: 8.56 ft at 7:45PM Dec 10, 2016Observed: 8.56 ft at 8:00PM Dec 10, 2016Observed: 8.56 ft at 8:15PM Dec 10, 2016Observed: 8.56 ft at 8:30PM Dec 10, 2016Observed: 8.56 ft at 8:45PM Dec 10, 2016Observed: 8.56 ft at 9:00PM Dec 10, 2016Observed: 8.56 ft at 9:15PM Dec 10, 2016Observed: 8.55 ft at 9:30PM Dec 10, 2016Observed: 8.56 ft at 9:45PM Dec 10, 2016Observed: 8.54 ft at 10:00PM Dec 10, 2016Observed: 8.53 ft at 10:15PM Dec 10, 2016Observed: 8.53 ft at 10:30PM Dec 10, 2016Observed: 8.51 ft at 10:45PM Dec 10, 2016Observed: 8.51 ft at 11:00PM Dec 10, 2016Observed: 8.5 ft at 11:15PM Dec 10, 2016Observed: 8.5 ft at 11:30PM Dec 10, 2016Observed: 8.47 ft at 11:45PM Dec 10, 2016Observed: 8.47 ft at 11:46PM Dec 10, 2016Observed: 8.48 ft at 12:00AM Dec 11, 2016Observed: 8.46 ft at 12:15AM Dec 11, 2016Observed: 8.47 ft at 12:30AM Dec 11, 2016Observed: 8.47 ft at 12:45AM Dec 11, 2016Observed: 8.45 ft at 1:00AM Dec 11, 2016Observed: 8.44 ft at 1:15AM Dec 11, 2016Observed: 8.46 ft at 1:30AM Dec 11, 2016Observed: 8.43 ft at 1:45AM Dec 11, 2016Observed: 8.42 ft at 2:00AM Dec 11, 2016Observed: 8.43 ft at 2:15AM Dec 11, 2016Observed: 8.42 ft at 2:30AM Dec 11, 2016Observed: 8.42 ft at 2:45AM Dec 11, 2016Observed: 8.42 ft at 3:00AM Dec 11, 2016Observed: 8.42 ft at 3:15AM Dec 11, 2016Observed: 8.41 ft at 3:30AM Dec 11, 2016Observed: 8.4 ft at 3:45AM Dec 11, 2016Observed: 8.41 ft at 4:00AM Dec 11, 2016Observed: 8.4 ft at 4:15AM Dec 11, 2016Observed: 8.39 ft at 4:30AM Dec 11, 2016Observed: 8.38 ft at 4:45AM Dec 11, 2016Observed: 8.38 ft at 5:00AM Dec 11, 2016Observed: 8.39 ft at 5:15AM Dec 11, 2016Observed: 8.37 ft at 5:30AM Dec 11, 2016Observed: 8.38 ft at 5:45AM Dec 11, 2016Observed: 8.38 ft at 5:46AM Dec 11, 2016Observed: 8.38 ft at 6:00AM Dec 11, 2016Observed: 8.39 ft at 6:15AM Dec 11, 2016Observed: 8.38 ft at 6:30AM Dec 11, 2016Observed: 8.37 ft at 6:45AM Dec 11, 2016Observed: 8.38 ft at 7:00AM Dec 11, 2016Observed: 8.36 ft at 7:15AM Dec 11, 2016Observed: 8.36 ft at 7:30AM Dec 11, 2016Highest Forecast: 8.6 ft 1:00PM Dec 11, 2016Forecast: 8.5 ft 7:00PM Dec 11, 2016Forecast: 8.3 ft 1:00AM Dec 12, 2016Forecast: 8.3 ft 7:00AM Dec 12, 2016Forecast: 8.3 ft 1:00PM Dec 12, 2016Forecast: 8.3 ft 7:00PM Dec 12, 2016Forecast: 8.3 ft 1:00AM Dec 13, 2016Forecast: 8.4 ft 7:00AM Dec 13, 2016USGS--Water Resources of the United StatesTMVC3(plotting HGIR2) Graph Created (8:45AM Dec 11, 2016)ObservedForecast (issued 11:07AM Dec 10)Latest observed value: 8.36 ft at 7:30 AM EST 11-Dec-2016. Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Connecticut River at Thompsonville are issued routinely year-round.
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Upstream Gauge - at Springfield Upstream Gauge Downstream Gauge Downstream Gauge - at Hartford
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 26.60 ft on 03/20/1936
(2) 24.40 ft on 07/23/1938
(3) 20.93 ft on 08/19/1955
(4) 20.80 ft on 05/31/1984
(5) 20.47 ft on 04/20/1933
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.66 ft on 04/17/2014
(2) 16.05 ft on 09/08/2011
(3) 17.82 ft on 08/30/2011
(4) 15.35 ft on 04/18/2011
(5) 15.46 ft on 04/14/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

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
18 Significant and widespread flooding along the river can be expected from the Massachusetts towns of Agawam and Longmeadow, through the northern Connecticut towns of Suffield and Enfield.
17 Flooding will become more widespread along the Connecticut River from the Massachusetts towns of Agawam and Longmeadow, through the northern Connecticut towns of Suffield and Enfield.
16 Flooding impacts low lying areas along the Connecticut River from the Massachusetts towns of Agawam and Longmeadow, through the northern Connecticut towns of Suffield and Enfield.
15 Lowland flooding will begin along the Connecticut River near Thompsonville.
About This Location Collapse

Latitude: 41.987319° N, Longitude: 72.605367° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 38.48 43.48 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF 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
Boston Weather Forecast Office
445 Myles Standish Blvd
Taunton, MA 02780
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Page last modified: 13-Aug-2015 1:57 AM
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