Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Connecticut River at Thompsonville Stage (ft)Observed: 8.25 ft at 8:00PM Jun 16, 2018Observed: 8.14 ft at 8:15PM Jun 16, 2018Observed: 8.2 ft at 8:30PM Jun 16, 2018Observed: 8.17 ft at 8:45PM Jun 16, 2018Observed: 8.22 ft at 9:00PM Jun 16, 2018Observed: 8.13 ft at 9:15PM Jun 16, 2018Observed: 8.18 ft at 9:30PM Jun 16, 2018Observed: 8.12 ft at 9:45PM Jun 16, 2018Observed: 8.15 ft at 10:00PM Jun 16, 2018Observed: 8.13 ft at 10:15PM Jun 16, 2018Observed: 8.15 ft at 10:30PM Jun 16, 2018Observed: 8.18 ft at 10:45PM Jun 16, 2018Observed: 8.18 ft at 10:46PM Jun 16, 2018Observed: 8.12 ft at 11:00PM Jun 16, 2018Observed: 8.18 ft at 11:15PM Jun 16, 2018Observed: 8.15 ft at 11:30PM Jun 16, 2018Observed: 8.18 ft at 11:45PM Jun 16, 2018Observed: 8.15 ft at 12:00AM Jun 17, 2018Observed: 8.1 ft at 12:15AM Jun 17, 2018Observed: 8.18 ft at 12:30AM Jun 17, 2018Observed: 8.1 ft at 12:45AM Jun 17, 2018Observed: 8.14 ft at 1:00AM Jun 17, 2018Observed: 8.09 ft at 1:15AM Jun 17, 2018Observed: 8.13 ft at 1:30AM Jun 17, 2018Observed: 8.07 ft at 1:45AM Jun 17, 2018Observed: 8.13 ft at 2:00AM Jun 17, 2018Observed: 8.11 ft at 2:15AM Jun 17, 2018Observed: 8.09 ft at 2:30AM Jun 17, 2018Observed: 8.13 ft at 2:45AM Jun 17, 2018Observed: 8.15 ft at 3:00AM Jun 17, 2018Observed: 8.17 ft at 3:15AM Jun 17, 2018Observed: 8.14 ft at 3:30AM Jun 17, 2018Observed: 8.1 ft at 3:45AM Jun 17, 2018Observed: 8.05 ft at 4:00AM Jun 17, 2018Observed: 8.12 ft at 4:15AM Jun 17, 2018Observed: 8.07 ft at 4:30AM Jun 17, 2018Observed: 8.08 ft at 4:45AM Jun 17, 2018Observed: 8.08 ft at 4:47AM Jun 17, 2018Observed: 8.13 ft at 5:00AM Jun 17, 2018Observed: 8.1 ft at 5:15AM Jun 17, 2018Observed: 8.15 ft at 5:30AM Jun 17, 2018Observed: 8.13 ft at 5:45AM Jun 17, 2018Observed: 8.11 ft at 6:00AM Jun 17, 2018Observed: 8.11 ft at 6:15AM Jun 17, 2018Observed: 8.1 ft at 6:30AM Jun 17, 2018Observed: 8.05 ft at 6:45AM Jun 17, 2018Observed: 7.98 ft at 7:00AM Jun 17, 2018Observed: 8.02 ft at 7:15AM Jun 17, 2018Observed: 8.15 ft at 7:30AM Jun 17, 2018Observed: 8.09 ft at 7:45AM Jun 17, 2018Observed: 8.1 ft at 8:00AM Jun 17, 2018Observed: 8.02 ft at 8:15AM Jun 17, 2018Observed: 8.22 ft at 8:30AM Jun 17, 2018Observed: 8.19 ft at 8:45AM Jun 17, 2018Observed: 8.18 ft at 9:00AM Jun 17, 2018Observed: 8.18 ft at 9:15AM Jun 17, 2018Observed: 8.14 ft at 9:30AM Jun 17, 2018Observed: 8.22 ft at 9:45AM Jun 17, 2018Observed: 8.19 ft at 10:00AM Jun 17, 2018Observed: 8.17 ft at 10:15AM Jun 17, 2018Observed: 8.18 ft at 10:30AM Jun 17, 2018Observed: 8.17 ft at 10:45AM Jun 17, 2018Observed: 8.17 ft at 10:46AM Jun 17, 2018Observed: 8.17 ft at 11:00AM Jun 17, 2018Observed: 8.24 ft at 11:15AM Jun 17, 2018Observed: 8.18 ft at 11:30AM Jun 17, 2018Observed: 8.18 ft at 11:45AM Jun 17, 2018Observed: 8.23 ft at 12:00PM Jun 17, 2018Observed: 8.21 ft at 12:15PM Jun 17, 2018Observed: 8.25 ft at 12:30PM Jun 17, 2018Observed: 8.24 ft at 12:45PM Jun 17, 2018Observed: 8.2 ft at 1:00PM Jun 17, 2018Observed: 8.03 ft at 1:15PM Jun 17, 2018Observed: 8.26 ft at 1:30PM Jun 17, 2018Observed: 8.22 ft at 1:45PM Jun 17, 2018Observed: 8.23 ft at 2:00PM Jun 17, 2018Observed: 8.24 ft at 2:15PM Jun 17, 2018Observed: 8.23 ft at 2:30PM Jun 17, 2018Observed: 8.24 ft at 2:45PM Jun 17, 2018Observed: 8.17 ft at 3:00PM Jun 17, 2018Observed: 8.2 ft at 3:15PM Jun 17, 2018Observed: 8.22 ft at 3:30PM Jun 17, 2018Observed: 8.21 ft at 3:45PM Jun 17, 2018Observed: 8.21 ft at 4:00PM Jun 17, 2018Observed: 8.2 ft at 4:15PM Jun 17, 2018Observed: 8.25 ft at 4:30PM Jun 17, 2018Observed: 8.2 ft at 4:45PM Jun 17, 2018Observed: 8.2 ft at 4:47PM Jun 17, 2018Observed: 8.26 ft at 5:00PM Jun 17, 2018Observed: 8.17 ft at 5:15PM Jun 17, 2018Observed: 8.23 ft at 5:30PM Jun 17, 2018Observed: 8.22 ft at 5:45PM Jun 17, 2018Observed: 8.05 ft at 6:00PM Jun 17, 2018Observed: 8.18 ft at 6:15PM Jun 17, 2018Observed: 8.18 ft at 6:30PM Jun 17, 2018Observed: 8.21 ft at 6:45PM Jun 17, 2018Observed: 8.19 ft at 7:00PM Jun 17, 2018Observed: 8.26 ft at 7:15PM Jun 17, 2018Observed: 8.23 ft at 7:30PM Jun 17, 2018Observed: 8.15 ft at 7:45PM Jun 17, 2018Observed: 8.18 ft at 8:00PM Jun 17, 2018Observed: 8.17 ft at 8:15PM Jun 17, 2018Observed: 8.19 ft at 8:30PM Jun 17, 2018Observed: 8.16 ft at 8:45PM Jun 17, 2018Observed: 8.09 ft at 9:00PM Jun 17, 2018Observed: 8 ft at 9:15PM Jun 17, 2018Observed: 8.02 ft at 9:30PM Jun 17, 2018Observed: 8.09 ft at 9:45PM Jun 17, 2018Observed: 8.19 ft at 10:00PM Jun 17, 2018Observed: 8.16 ft at 10:15PM Jun 17, 2018Observed: 8.03 ft at 10:30PM Jun 17, 2018Observed: 8.12 ft at 10:45PM Jun 17, 2018Observed: 8.12 ft at 10:47PM Jun 17, 2018Observed: 8.16 ft at 11:00PM Jun 17, 2018Observed: 8.09 ft at 11:15PM Jun 17, 2018Observed: 8.15 ft at 11:30PM Jun 17, 2018Observed: 8.12 ft at 11:45PM Jun 17, 2018Observed: 8.19 ft at 12:00AM Jun 18, 2018Observed: 8.16 ft at 12:15AM Jun 18, 2018Observed: 8.21 ft at 12:30AM Jun 18, 2018Observed: 8.1 ft at 12:45AM Jun 18, 2018Observed: 8.13 ft at 1:00AM Jun 18, 2018Observed: 8.15 ft at 1:15AM Jun 18, 2018Observed: 8.17 ft at 1:30AM Jun 18, 2018Observed: 8.14 ft at 1:45AM Jun 18, 2018Observed: 8.19 ft at 2:00AM Jun 18, 2018Observed: 8.18 ft at 2:15AM Jun 18, 2018Observed: 8.19 ft at 2:30AM Jun 18, 2018Observed: 8.11 ft at 2:45AM Jun 18, 2018Observed: 8.12 ft at 3:00AM Jun 18, 2018Observed: 8.13 ft at 3:15AM Jun 18, 2018Observed: 8.15 ft at 3:30AM Jun 18, 2018Observed: 8.15 ft at 3:45AM Jun 18, 2018Observed: 8.14 ft at 4:00AM Jun 18, 2018Observed: 8.14 ft at 4:15AM Jun 18, 2018Observed: 8.13 ft at 4:30AM Jun 18, 2018Observed: 8.18 ft at 4:45AM Jun 18, 2018Observed: 8.18 ft at 4:46AM Jun 18, 2018Observed: 8.17 ft at 5:00AM Jun 18, 2018Observed: 8.15 ft at 5:15AM Jun 18, 2018Observed: 8.2 ft at 5:30AM Jun 18, 2018Observed: 8.07 ft at 5:45AM Jun 18, 2018Observed: 8.15 ft at 6:00AM Jun 18, 2018Observed: 8.14 ft at 6:15AM Jun 18, 2018Observed: 8.08 ft at 6:30AM Jun 18, 2018Observed: 8.06 ft at 6:45AM Jun 18, 2018Observed: 8.06 ft at 7:00AM Jun 18, 2018Observed: 8.06 ft at 7:15AM Jun 18, 2018Observed: 8.08 ft at 7:30AM Jun 18, 2018Observed: 8.05 ft at 7:45AM Jun 18, 2018Observed: 8.08 ft at 8:00AM Jun 18, 2018Observed: 8.04 ft at 8:15AM Jun 18, 2018Observed: 8.04 ft at 8:30AM Jun 18, 2018Observed: 8.05 ft at 8:45AM Jun 18, 2018Observed: 8.06 ft at 9:00AM Jun 18, 2018Observed: 8.07 ft at 9:15AM Jun 18, 2018Observed: 8.12 ft at 9:30AM Jun 18, 2018Observed: 8.14 ft at 9:45AM Jun 18, 2018Observed: 8.1 ft at 10:00AM Jun 18, 2018Observed: 8.08 ft at 10:15AM Jun 18, 2018Observed: 8.09 ft at 10:30AM Jun 18, 2018Observed: 8.08 ft at 10:45AM Jun 18, 2018Observed: 8.08 ft at 10:47AM Jun 18, 2018Observed: 8.15 ft at 11:00AM Jun 18, 2018Observed: 8.14 ft at 11:15AM Jun 18, 2018Observed: 8.11 ft at 11:30AM Jun 18, 2018Observed: 8.08 ft at 11:45AM Jun 18, 2018Observed: 8.09 ft at 12:00PM Jun 18, 2018Observed: 8.13 ft at 12:15PM Jun 18, 2018Observed: 8.1 ft at 12:30PM Jun 18, 2018Observed: 8.11 ft at 12:45PM Jun 18, 2018Observed: 8.13 ft at 1:00PM Jun 18, 2018Observed: 8.13 ft at 1:15PM Jun 18, 2018Observed: 8.12 ft at 1:30PM Jun 18, 2018Observed: 8.12 ft at 1:45PM Jun 18, 2018Observed: 8.11 ft at 2:00PM Jun 18, 2018Observed: 8.13 ft at 2:15PM Jun 18, 2018Observed: 8.1 ft at 2:30PM Jun 18, 2018Observed: 8.15 ft at 2:45PM Jun 18, 2018Observed: 8.14 ft at 3:00PM Jun 18, 2018Observed: 8.11 ft at 3:15PM Jun 18, 2018Observed: 8.12 ft at 3:30PM Jun 18, 2018Observed: 8.23 ft at 3:45PM Jun 18, 2018Observed: 8.19 ft at 4:00PM Jun 18, 2018Observed: 8.17 ft at 4:15PM Jun 18, 2018Observed: 8.18 ft at 4:30PM Jun 18, 2018Observed: 8.14 ft at 4:45PM Jun 18, 2018Observed: 8.14 ft at 4:47PM Jun 18, 2018Observed: 8.15 ft at 5:00PM Jun 18, 2018Observed: 8.13 ft at 5:15PM Jun 18, 2018Observed: 8.13 ft at 5:30PM Jun 18, 2018Observed: 8.14 ft at 5:45PM Jun 18, 2018Observed: 8.19 ft at 6:00PM Jun 18, 2018Observed: 8.18 ft at 6:15PM Jun 18, 2018Observed: 8.16 ft at 6:30PM Jun 18, 2018Observed: 8.21 ft at 6:45PM Jun 18, 2018Observed: 8.14 ft at 7:00PM Jun 18, 2018Observed: 8.25 ft at 7:15PM Jun 18, 2018Observed: 8.29 ft at 7:30PM Jun 18, 2018Observed: 8.28 ft at 7:45PM Jun 18, 2018Observed: 8.32 ft at 8:00PM Jun 18, 2018Observed: 8.37 ft at 8:15PM Jun 18, 2018Observed: 8.36 ft at 8:30PM Jun 18, 2018Observed: 8.42 ft at 8:45PM Jun 18, 2018Observed: 8.42 ft at 9:00PM Jun 18, 2018Observed: 8.43 ft at 9:15PM Jun 18, 2018Observed: 8.44 ft at 9:30PM Jun 18, 2018Observed: 8.51 ft at 9:45PM Jun 18, 2018Observed: 8.51 ft at 10:00PM Jun 18, 2018Observed: 8.53 ft at 10:15PM Jun 18, 2018Observed: 8.55 ft at 10:30PM Jun 18, 2018Observed: 8.59 ft at 10:45PM Jun 18, 2018Observed: 8.52 ft at 11:00PM Jun 18, 2018Observed: 8.52 ft at 11:01PM Jun 18, 2018Observed: 8.55 ft at 11:15PM Jun 18, 2018Observed: 8.59 ft at 11:30PM Jun 18, 2018Observed: 8.61 ft at 11:45PM Jun 18, 2018Observed: 8.61 ft at 12:00AM Jun 19, 2018Observed: 8.61 ft at 12:15AM Jun 19, 2018Observed: 8.6 ft at 12:30AM Jun 19, 2018Observed: 8.61 ft at 12:45AM Jun 19, 2018Observed: 8.66 ft at 1:00AM Jun 19, 2018Observed: 8.63 ft at 1:15AM Jun 19, 2018Observed: 8.67 ft at 1:30AM Jun 19, 2018Observed: 8.65 ft at 1:45AM Jun 19, 2018Observed: 8.68 ft at 2:00AM Jun 19, 2018Highest Observation: 8.76 ft at 2:15AM Jun 19, 2018Observed: 8.66 ft at 2:30AM Jun 19, 2018Observed: 8.63 ft at 2:45AM Jun 19, 2018Observed: 8.62 ft at 3:00AM Jun 19, 2018Observed: 8.69 ft at 3:15AM Jun 19, 2018Observed: 8.7 ft at 3:30AM Jun 19, 2018Observed: 8.65 ft at 3:45AM Jun 19, 2018Observed: 8.67 ft at 4:00AM Jun 19, 2018Observed: 8.69 ft at 4:15AM Jun 19, 2018Observed: 8.64 ft at 4:30AM Jun 19, 2018Observed: 8.67 ft at 4:45AM Jun 19, 2018Observed: 8.64 ft at 5:00AM Jun 19, 2018Observed: 8.64 ft at 5:02AM Jun 19, 2018Observed: 8.65 ft at 5:15AM Jun 19, 2018Observed: 8.68 ft at 5:30AM Jun 19, 2018Observed: 8.65 ft at 5:45AM Jun 19, 2018Observed: 8.68 ft at 6:00AM Jun 19, 2018Observed: 8.65 ft at 6:15AM Jun 19, 2018Observed: 8.64 ft at 6:30AM Jun 19, 2018Observed: 8.63 ft at 6:45AM Jun 19, 2018Observed: 8.63 ft at 7:00AM Jun 19, 2018Observed: 8.6 ft at 7:15AM Jun 19, 2018Observed: 8.59 ft at 7:30AM Jun 19, 2018Observed: 8.6 ft at 7:45AM Jun 19, 2018Observed: 8.58 ft at 8:00AM Jun 19, 2018Observed: 8.59 ft at 8:15AM Jun 19, 2018Observed: 8.58 ft at 8:30AM Jun 19, 2018Observed: 8.56 ft at 8:45AM Jun 19, 2018Observed: 8.56 ft at 9:00AM Jun 19, 2018Observed: 8.54 ft at 9:15AM Jun 19, 2018Observed: 8.5 ft at 9:30AM Jun 19, 2018Observed: 8.52 ft at 9:45AM Jun 19, 2018Observed: 8.5 ft at 10:00AM Jun 19, 2018Observed: 8.48 ft at 10:15AM Jun 19, 2018Observed: 8.4 ft at 10:30AM Jun 19, 2018Observed: 8.52 ft at 10:45AM Jun 19, 2018Observed: 8.51 ft at 11:00AM Jun 19, 2018Observed: 8.51 ft at 11:02AM Jun 19, 2018Observed: 8.45 ft at 11:15AM Jun 19, 2018Observed: 8.39 ft at 11:30AM Jun 19, 2018Observed: 8.43 ft at 11:45AM Jun 19, 2018Observed: 8.44 ft at 12:00PM Jun 19, 2018Observed: 8.43 ft at 12:15PM Jun 19, 2018Observed: 8.45 ft at 12:30PM Jun 19, 2018Observed: 8.4 ft at 12:45PM Jun 19, 2018Observed: 8.46 ft at 1:00PM Jun 19, 2018Observed: 8.47 ft at 1:15PM Jun 19, 2018Observed: 8.4 ft at 1:30PM Jun 19, 2018Observed: 8.41 ft at 1:45PM Jun 19, 2018Observed: 8.39 ft at 2:00PM Jun 19, 2018Observed: 8.37 ft at 2:15PM Jun 19, 2018Observed: 8.35 ft at 2:30PM Jun 19, 2018Observed: 8.37 ft at 2:45PM Jun 19, 2018Observed: 8.37 ft at 3:00PM Jun 19, 2018Observed: 8.33 ft at 3:15PM Jun 19, 2018Observed: 8.34 ft at 3:30PM Jun 19, 2018Observed: 8.33 ft at 3:45PM Jun 19, 2018Observed: 8.33 ft at 4:00PM Jun 19, 2018Observed: 8.31 ft at 4:15PM Jun 19, 2018Observed: 8.3 ft at 4:30PM Jun 19, 2018Observed: 8.3 ft at 4:45PM Jun 19, 2018Observed: 8.3 ft at 5:00PM Jun 19, 2018Observed: 8.3 ft at 5:01PM Jun 19, 2018Observed: 8.28 ft at 5:15PM Jun 19, 2018Observed: 8.28 ft at 5:30PM Jun 19, 2018Observed: 8.25 ft at 5:45PM Jun 19, 2018Observed: 8.23 ft at 6:00PM Jun 19, 2018Observed: 8.23 ft at 6:15PM Jun 19, 2018Observed: 8.21 ft at 6:30PM Jun 19, 2018Forecast: 8.2 ft 8:00PM Jun 19, 2018Highest Forecast: 8.3 ft 2:00AM Jun 20, 2018Highest Forecast: 8.3 ft 8:00AM Jun 20, 2018Forecast: 8.2 ft 2:00PM Jun 20, 2018Forecast: 8.1 ft 8:00PM Jun 20, 2018Forecast: 8.2 ft 2:00AM Jun 21, 2018Highest Forecast: 8.3 ft 8:00AM Jun 21, 2018Forecast: 8.2 ft 2:00PM Jun 21, 2018Forecast: 8.2 ft 8:00PM Jun 21, 2018Forecast: 8.1 ft 2:00AM Jun 22, 2018Forecast: 8.1 ft 8:00AM Jun 22, 2018USGS--Water Resources of the United StatesTMVC3(plotting HGIR2) Graph Created (7:45PM Jun 19, 2018)ObservedForecast (issued 10:47AM Jun 19)Latest observed value: 8.21 ft at 6:30 PM EDT 19-Jun-2018. Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Connecticut River at Thompsonville are issued routinely year-round.
Return to Area Map
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 / Norton Weather Forecast Office
46 Commerce Way
Norton, MA 02766
(508) 622-3250
Ask Questions/Webmaster
Page last modified: 21-Dec-2016 10:38 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities