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Hydrograph River at a Glance Download
Connecticut River at Thompsonville Stage (ft)Flow (kcfs)Observed: -1.4 ft at 11:30AM Aug 28, 2015Observed: -1.43 ft at 11:45AM Aug 28, 2015Observed: -1.44 ft at 12:00PM Aug 28, 2015Observed: -1.44 ft at 12:15PM Aug 28, 2015Observed: -1.46 ft at 12:30PM Aug 28, 2015Observed: -1.47 ft at 12:45PM Aug 28, 2015Observed: -1.48 ft at 1:00PM Aug 28, 2015Observed: -1.49 ft at 1:15PM Aug 28, 2015Observed: -1.49 ft at 1:30PM Aug 28, 2015Observed: -1.51 ft at 1:45PM Aug 28, 2015Observed: -1.52 ft at 2:00PM Aug 28, 2015Observed: -1.54 ft at 2:15PM Aug 28, 2015Observed: -1.54 ft at 2:30PM Aug 28, 2015Observed: -1.54 ft at 2:45PM Aug 28, 2015Observed: -1.56 ft at 3:00PM Aug 28, 2015Observed: -1.58 ft at 3:15PM Aug 28, 2015Observed: -1.58 ft at 3:16PM Aug 28, 2015Observed: -1.58 ft at 3:30PM Aug 28, 2015Observed: -1.6 ft at 3:45PM Aug 28, 2015Observed: -1.6 ft at 4:00PM Aug 28, 2015Observed: -1.62 ft at 4:15PM Aug 28, 2015Observed: -1.63 ft at 4:30PM Aug 28, 2015Observed: -1.64 ft at 4:45PM Aug 28, 2015Observed: -1.63 ft at 5:00PM Aug 28, 2015Observed: -1.64 ft at 5:15PM Aug 28, 2015Observed: -1.66 ft at 5:30PM Aug 28, 2015Observed: -1.66 ft at 5:45PM Aug 28, 2015Observed: -1.67 ft at 6:00PM Aug 28, 2015Observed: -1.67 ft at 6:15PM Aug 28, 2015Observed: -1.67 ft at 6:30PM Aug 28, 2015Observed: -1.66 ft at 6:45PM Aug 28, 2015Observed: -1.67 ft at 7:00PM Aug 28, 2015Observed: -1.68 ft at 7:15PM Aug 28, 2015Observed: -1.69 ft at 7:30PM Aug 28, 2015Observed: -1.68 ft at 7:45PM Aug 28, 2015Observed: -1.68 ft at 8:00PM Aug 28, 2015Observed: -1.69 ft at 8:15PM Aug 28, 2015Observed: -1.69 ft at 8:30PM Aug 28, 2015Observed: -1.7 ft at 8:45PM Aug 28, 2015Observed: -1.7 ft at 9:00PM Aug 28, 2015Observed: -1.71 ft at 9:15PM Aug 28, 2015Observed: -1.71 ft at 9:16PM Aug 28, 2015Observed: -1.71 ft at 9:30PM Aug 28, 2015Observed: -1.71 ft at 9:45PM Aug 28, 2015Observed: -1.7 ft at 10:00PM Aug 28, 2015Observed: -1.72 ft at 10:15PM Aug 28, 2015Observed: -1.72 ft at 10:30PM Aug 28, 2015Observed: -1.72 ft at 10:45PM Aug 28, 2015Observed: -1.72 ft at 11:00PM Aug 28, 2015Observed: -1.73 ft at 11:15PM Aug 28, 2015Observed: -1.73 ft at 11:30PM Aug 28, 2015Observed: -1.73 ft at 11:45PM Aug 28, 2015Observed: -1.73 ft at 12:00AM Aug 29, 2015Observed: -1.74 ft at 12:15AM Aug 29, 2015Observed: -1.76 ft at 12:30AM Aug 29, 2015Observed: -1.75 ft at 12:45AM Aug 29, 2015Observed: -1.75 ft at 1:00AM Aug 29, 2015Observed: -1.76 ft at 1:15AM Aug 29, 2015Observed: -1.75 ft at 1:30AM Aug 29, 2015Observed: -1.76 ft at 1:45AM Aug 29, 2015Observed: -1.77 ft at 2:00AM Aug 29, 2015Observed: -1.75 ft at 2:15AM Aug 29, 2015Observed: -1.76 ft at 2:30AM Aug 29, 2015Observed: -1.78 ft at 2:45AM Aug 29, 2015Observed: -1.76 ft at 3:00AM Aug 29, 2015Observed: -1.78 ft at 3:15AM Aug 29, 2015Observed: -1.78 ft at 3:16AM Aug 29, 2015Observed: -1.78 ft at 3:30AM Aug 29, 2015Observed: -1.78 ft at 3:45AM Aug 29, 2015Observed: -1.77 ft at 4:00AM Aug 29, 2015Observed: -1.78 ft at 4:15AM Aug 29, 2015Observed: -1.78 ft at 4:30AM Aug 29, 2015Observed: -1.79 ft at 4:45AM Aug 29, 2015Observed: -1.8 ft at 5:00AM Aug 29, 2015Observed: -1.79 ft at 5:15AM Aug 29, 2015Observed: -1.8 ft at 5:30AM Aug 29, 2015Observed: -1.81 ft at 5:45AM Aug 29, 2015Observed: -1.79 ft at 6:00AM Aug 29, 2015Observed: -1.81 ft at 6:15AM Aug 29, 2015Observed: -1.8 ft at 6:30AM Aug 29, 2015Observed: -1.81 ft at 6:45AM Aug 29, 2015Observed: -1.82 ft at 7:00AM Aug 29, 2015Observed: -1.82 ft at 7:15AM Aug 29, 2015Observed: -1.82 ft at 7:30AM Aug 29, 2015Observed: -1.81 ft at 7:45AM Aug 29, 2015Observed: -1.81 ft at 8:00AM Aug 29, 2015Observed: -1.82 ft at 8:15AM Aug 29, 2015Observed: -1.83 ft at 8:30AM Aug 29, 2015Observed: -1.82 ft at 8:45AM Aug 29, 2015Observed: -1.83 ft at 9:00AM Aug 29, 2015Observed: -1.82 ft at 9:15AM Aug 29, 2015Observed: -1.82 ft at 9:16AM Aug 29, 2015Observed: -1.83 ft at 9:30AM Aug 29, 2015Observed: -1.83 ft at 9:45AM Aug 29, 2015Observed: -1.83 ft at 10:00AM Aug 29, 2015Observed: -1.83 ft at 10:15AM Aug 29, 2015Observed: -1.84 ft at 10:30AM Aug 29, 2015Observed: -1.84 ft at 10:45AM Aug 29, 2015Observed: -1.84 ft at 11:00AM Aug 29, 2015Observed: -1.86 ft at 11:15AM Aug 29, 2015Observed: -1.86 ft at 11:30AM Aug 29, 2015Observed: -1.86 ft at 11:45AM Aug 29, 2015Observed: -1.88 ft at 12:00PM Aug 29, 2015Observed: -1.88 ft at 12:15PM Aug 29, 2015Observed: -1.89 ft at 12:30PM Aug 29, 2015Observed: -1.9 ft at 12:45PM Aug 29, 2015Observed: -1.89 ft at 1:00PM Aug 29, 2015Observed: -1.91 ft at 1:15PM Aug 29, 2015Observed: -1.91 ft at 1:30PM Aug 29, 2015Observed: -1.91 ft at 1:45PM Aug 29, 2015Observed: -1.92 ft at 2:00PM Aug 29, 2015Observed: -1.92 ft at 2:15PM Aug 29, 2015Observed: -1.92 ft at 2:30PM Aug 29, 2015Observed: -1.94 ft at 2:45PM Aug 29, 2015Observed: -1.93 ft at 3:00PM Aug 29, 2015Observed: -1.95 ft at 3:15PM Aug 29, 2015Observed: -1.95 ft at 3:16PM Aug 29, 2015Observed: -1.95 ft at 3:30PM Aug 29, 2015Observed: -1.96 ft at 3:45PM Aug 29, 2015Observed: -1.95 ft at 4:00PM Aug 29, 2015Observed: -1.96 ft at 4:15PM Aug 29, 2015Observed: -1.97 ft at 4:30PM Aug 29, 2015Observed: -1.97 ft at 4:45PM Aug 29, 2015Observed: -1.98 ft at 5:00PM Aug 29, 2015Observed: -1.98 ft at 5:15PM Aug 29, 2015Observed: -1.99 ft at 5:30PM Aug 29, 2015Observed: -1.99 ft at 5:45PM Aug 29, 2015Observed: -1.99 ft at 6:00PM Aug 29, 2015Observed: -2 ft at 6:15PM Aug 29, 2015Observed: -2 ft at 6:30PM Aug 29, 2015Observed: -2.01 ft at 6:45PM Aug 29, 2015Observed: -2.01 ft at 7:00PM Aug 29, 2015Observed: -2.02 ft at 7:15PM Aug 29, 2015Observed: -2.02 ft at 7:30PM Aug 29, 2015Observed: -2.01 ft at 7:45PM Aug 29, 2015Observed: -2.03 ft at 8:00PM Aug 29, 2015Observed: -2.02 ft at 8:15PM Aug 29, 2015Observed: -2.02 ft at 8:30PM Aug 29, 2015Observed: -2.03 ft at 8:45PM Aug 29, 2015Observed: -2.03 ft at 9:00PM Aug 29, 2015Observed: -2.04 ft at 9:15PM Aug 29, 2015Observed: -2.04 ft at 9:30PM Aug 29, 2015Observed: -2.05 ft at 9:45PM Aug 29, 2015Observed: -2.04 ft at 10:00PM Aug 29, 2015Observed: -2.04 ft at 10:15PM Aug 29, 2015Observed: -2.05 ft at 10:30PM Aug 29, 2015Observed: -2.05 ft at 10:45PM Aug 29, 2015Observed: -2.06 ft at 11:00PM Aug 29, 2015Observed: -2.06 ft at 11:15PM Aug 29, 2015Observed: -2.07 ft at 11:30PM Aug 29, 2015Observed: -2.06 ft at 11:45PM Aug 29, 2015Observed: -2.07 ft at 12:00AM Aug 30, 2015Observed: -2.06 ft at 12:15AM Aug 30, 2015Observed: -2.07 ft at 12:30AM Aug 30, 2015Observed: -2.06 ft at 12:45AM Aug 30, 2015Observed: -2.06 ft at 1:00AM Aug 30, 2015Observed: -2.08 ft at 1:15AM Aug 30, 2015Observed: -2.08 ft at 1:30AM Aug 30, 2015Observed: -2.07 ft at 1:45AM Aug 30, 2015Observed: -2.08 ft at 2:00AM Aug 30, 2015Observed: -2.08 ft at 2:15AM Aug 30, 2015Observed: -2.08 ft at 2:30AM Aug 30, 2015Observed: -2.09 ft at 2:45AM Aug 30, 2015Observed: -2.08 ft at 3:00AM Aug 30, 2015Observed: -2.07 ft at 3:15AM Aug 30, 2015Observed: -2.07 ft at 3:16AM Aug 30, 2015Observed: -2.09 ft at 3:30AM Aug 30, 2015Observed: -2.09 ft at 3:45AM Aug 30, 2015Observed: -2.09 ft at 4:00AM Aug 30, 2015Observed: -2.09 ft at 4:15AM Aug 30, 2015Observed: -2.09 ft at 4:30AM Aug 30, 2015Observed: -2.08 ft at 4:45AM Aug 30, 2015Observed: -2.09 ft at 5:00AM Aug 30, 2015Observed: -2.08 ft at 5:15AM Aug 30, 2015Observed: -2.08 ft at 5:30AM Aug 30, 2015Observed: -2.1 ft at 5:45AM Aug 30, 2015Observed: -2.1 ft at 6:00AM Aug 30, 2015Observed: -2.09 ft at 6:15AM Aug 30, 2015Observed: -2.08 ft at 6:30AM Aug 30, 2015Observed: -2.1 ft at 6:45AM Aug 30, 2015Observed: -2.1 ft at 7:00AM Aug 30, 2015Observed: -2.09 ft at 7:15AM Aug 30, 2015Observed: -2.1 ft at 7:30AM Aug 30, 2015Observed: -2.09 ft at 7:45AM Aug 30, 2015Observed: -2.09 ft at 8:00AM Aug 30, 2015Observed: -2.09 ft at 8:15AM Aug 30, 2015Observed: -2.1 ft at 8:30AM Aug 30, 2015Observed: -2.09 ft at 8:45AM Aug 30, 2015Observed: -2.1 ft at 9:00AM Aug 30, 2015Observed: -2.1 ft at 9:15AM Aug 30, 2015Observed: -2.1 ft at 9:30AM Aug 30, 2015Observed: -2.1 ft at 9:31AM Aug 30, 2015Observed: -2.1 ft at 9:45AM Aug 30, 2015Observed: -2.09 ft at 10:00AM Aug 30, 2015Observed: -2.11 ft at 10:15AM Aug 30, 2015Observed: -2.11 ft at 10:30AM Aug 30, 2015Observed: -2.1 ft at 10:45AM Aug 30, 2015Observed: -2.11 ft at 11:00AM Aug 30, 2015Observed: -2.12 ft at 11:15AM Aug 30, 2015Observed: -2.11 ft at 11:30AM Aug 30, 2015Observed: -2.11 ft at 11:45AM Aug 30, 2015Observed: -2.12 ft at 12:00PM Aug 30, 2015Observed: -2.12 ft at 12:15PM Aug 30, 2015Observed: -2.12 ft at 12:30PM Aug 30, 2015Observed: -2.11 ft at 12:45PM Aug 30, 2015Observed: -2.11 ft at 1:00PM Aug 30, 2015Observed: -2.12 ft at 1:15PM Aug 30, 2015Observed: -2.13 ft at 1:30PM Aug 30, 2015Observed: -2.12 ft at 1:45PM Aug 30, 2015Observed: -2.13 ft at 2:00PM Aug 30, 2015Observed: -2.14 ft at 2:15PM Aug 30, 2015Observed: -2.13 ft at 2:30PM Aug 30, 2015Observed: -2.14 ft at 2:45PM Aug 30, 2015Observed: -2.13 ft at 3:00PM Aug 30, 2015Observed: -2.14 ft at 3:15PM Aug 30, 2015Observed: -2.13 ft at 3:30PM Aug 30, 2015Observed: -2.13 ft at 3:45PM Aug 30, 2015Observed: -2.14 ft at 4:00PM Aug 30, 2015Observed: -2.13 ft at 4:15PM Aug 30, 2015Observed: -2.12 ft at 4:30PM Aug 30, 2015Observed: -2.14 ft at 4:45PM Aug 30, 2015Observed: -2.13 ft at 5:00PM Aug 30, 2015Observed: -2.14 ft at 5:15PM Aug 30, 2015Observed: -2.13 ft at 5:30PM Aug 30, 2015Observed: -2.12 ft at 5:45PM Aug 30, 2015Observed: -2.14 ft at 6:00PM Aug 30, 2015Observed: -2.13 ft at 6:15PM Aug 30, 2015Observed: -2.13 ft at 6:30PM Aug 30, 2015Observed: -2.13 ft at 6:45PM Aug 30, 2015Observed: -2.13 ft at 7:00PM Aug 30, 2015Observed: -2.14 ft at 7:15PM Aug 30, 2015Observed: -2.14 ft at 7:30PM Aug 30, 2015Observed: -2.13 ft at 7:45PM Aug 30, 2015Observed: -2.15 ft at 8:00PM Aug 30, 2015Observed: -2.14 ft at 8:15PM Aug 30, 2015Observed: -2.14 ft at 8:30PM Aug 30, 2015Observed: -2.13 ft at 8:45PM Aug 30, 2015Observed: -2.13 ft at 9:00PM Aug 30, 2015Observed: -2.12 ft at 9:15PM Aug 30, 2015Observed: -2.12 ft at 9:30PM Aug 30, 2015Observed: -2.12 ft at 9:31PM Aug 30, 2015Observed: -2.12 ft at 9:45PM Aug 30, 2015Observed: -2.11 ft at 10:00PM Aug 30, 2015Observed: -2.09 ft at 10:15PM Aug 30, 2015Observed: -2.09 ft at 10:30PM Aug 30, 2015Observed: -2.08 ft at 10:45PM Aug 30, 2015Observed: -2.06 ft at 11:00PM Aug 30, 2015Observed: -2.06 ft at 11:15PM Aug 30, 2015Observed: -2.03 ft at 11:30PM Aug 30, 2015Observed: -2.03 ft at 11:45PM Aug 30, 2015Observed: -2.03 ft at 12:00AM Aug 31, 2015Observed: -2.01 ft at 12:15AM Aug 31, 2015Observed: -1.99 ft at 12:30AM Aug 31, 2015Observed: -1.99 ft at 12:45AM Aug 31, 2015Observed: -1.97 ft at 1:00AM Aug 31, 2015Observed: -1.95 ft at 1:15AM Aug 31, 2015Observed: -1.96 ft at 1:30AM Aug 31, 2015Observed: -1.95 ft at 1:45AM Aug 31, 2015Observed: -1.93 ft at 2:00AM Aug 31, 2015Observed: -1.92 ft at 2:15AM Aug 31, 2015Observed: -1.9 ft at 2:30AM Aug 31, 2015Observed: -1.89 ft at 2:45AM Aug 31, 2015Observed: -1.87 ft at 3:00AM Aug 31, 2015Observed: -1.86 ft at 3:15AM Aug 31, 2015Observed: -1.85 ft at 3:30AM Aug 31, 2015Observed: -1.85 ft at 3:31AM Aug 31, 2015Observed: -1.82 ft at 3:45AM Aug 31, 2015Observed: -1.8 ft at 4:00AM Aug 31, 2015Observed: -1.79 ft at 4:15AM Aug 31, 2015Observed: -1.72 ft at 4:30AM Aug 31, 2015Observed: -1.63 ft at 4:45AM Aug 31, 2015Observed: -1.61 ft at 5:00AM Aug 31, 2015Observed: -1.59 ft at 5:15AM Aug 31, 2015Observed: -1.57 ft at 5:30AM Aug 31, 2015Observed: -1.56 ft at 5:45AM Aug 31, 2015Observed: -1.52 ft at 6:00AM Aug 31, 2015Observed: -1.51 ft at 6:15AM Aug 31, 2015Observed: -1.48 ft at 6:30AM Aug 31, 2015Observed: -1.46 ft at 6:45AM Aug 31, 2015Observed: -1.45 ft at 7:00AM Aug 31, 2015Observed: -1.43 ft at 7:15AM Aug 31, 2015Observed: -1.41 ft at 7:30AM Aug 31, 2015Observed: -1.39 ft at 7:45AM Aug 31, 2015Observed: -1.39 ft at 8:00AM Aug 31, 2015Observed: -1.38 ft at 8:15AM Aug 31, 2015Observed: -1.39 ft at 8:30AM Aug 31, 2015Observed: -1.39 ft at 8:45AM Aug 31, 2015Observed: -1.39 ft at 9:00AM Aug 31, 2015Observed: -1.42 ft at 9:15AM Aug 31, 2015Observed: -1.4 ft at 9:30AM Aug 31, 2015Observed: -1.41 ft at 9:45AM Aug 31, 2015Observed: -1.42 ft at 10:00AM Aug 31, 2015Observed: -1.43 ft at 10:15AM Aug 31, 2015Observed: -1.44 ft at 10:30AM Aug 31, 2015Forecast: -1.8 ft 2:00PM Aug 31, 2015Forecast: -1.9 ft 8:00PM Aug 31, 2015Forecast: -2.1 ft 2:00AM Sep 01, 2015Forecast: -2.2 ft 8:00AM Sep 01, 2015Forecast: -2.2 ft 2:00PM Sep 01, 2015Forecast: -2.2 ft 8:00PM Sep 01, 2015Forecast: -2.2 ft 2:00AM Sep 02, 2015Forecast: -2.2 ft 8:00AM Sep 02, 2015USGS--Water Resources of the United StatesTMVC3(plotting HGIRG) Graph Created (11:16AM Aug 31, 2015)ObservedForecast (issued 11:07AM Aug 30)Latest observed value: -1.44 ft at 10:30 AM EDT 31-Aug-2015. Flood Stage is 5 ft
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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.
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Upstream Gauge - at Springfield Upstream Gauge Downstream Gauge Downstream Gauge - at Hartford
Flood Categories (in feet)
Major Flood Stage: 9
Moderate Flood Stage: 7
Flood Stage: 5
Action Stage: 4
Low Stage (in feet): 0

Historic Crests
(1) 16.60 ft on 03/20/1936
(2) 14.40 ft on 07/23/1938
(3) 10.93 ft on 08/19/1955
(4) 10.80 ft on 05/31/1984
(5) 10.47 ft on 04/20/1933
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.66 ft on 04/17/2014
(2) 6.05 ft on 09/08/2011
(3) 7.82 ft on 08/30/2011
(4) 5.35 ft on 04/18/2011
(5) 5.46 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
8 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.
7 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.
6 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.
5 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 5 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:

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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
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Boston Weather Forecast Office
445 Myles Standish Blvd
Taunton, MA 02780
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Page last modified: 13-Aug-2015 2:16 AM
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