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Hydrograph River at a Glance Download
Connecticut River at Holyoke Stage (ft)Flow (kcfs)Observed: 7.59 ft at 5:45AM Nov 16, 2017Observed: 7.63 ft at 6:00AM Nov 16, 2017Observed: 7.67 ft at 6:15AM Nov 16, 2017Observed: 7.7 ft at 6:30AM Nov 16, 2017Observed: 7.67 ft at 6:45AM Nov 16, 2017Observed: 7.58 ft at 7:00AM Nov 16, 2017Observed: 7.53 ft at 7:15AM Nov 16, 2017Observed: 7.45 ft at 7:30AM Nov 16, 2017Observed: 7.38 ft at 7:45AM Nov 16, 2017Observed: 7.33 ft at 8:00AM Nov 16, 2017Observed: 7.34 ft at 8:15AM Nov 16, 2017Observed: 7.31 ft at 8:30AM Nov 16, 2017Observed: 7.3 ft at 8:45AM Nov 16, 2017Observed: 7.3 ft at 8:46AM Nov 16, 2017Observed: 7.3 ft at 9:00AM Nov 16, 2017Observed: 7.28 ft at 9:15AM Nov 16, 2017Observed: 7.26 ft at 9:30AM Nov 16, 2017Observed: 7.27 ft at 9:45AM Nov 16, 2017Observed: 7.25 ft at 10:00AM Nov 16, 2017Observed: 7.24 ft at 10:15AM Nov 16, 2017Observed: 7.27 ft at 10:30AM Nov 16, 2017Observed: 7.26 ft at 10:45AM Nov 16, 2017Observed: 7.25 ft at 11:00AM Nov 16, 2017Observed: 7.26 ft at 11:15AM Nov 16, 2017Observed: 7.26 ft at 11:30AM Nov 16, 2017Observed: 7.25 ft at 11:45AM Nov 16, 2017Observed: 7.26 ft at 12:00PM Nov 16, 2017Observed: 7.21 ft at 12:15PM Nov 16, 2017Observed: 7.17 ft at 12:30PM Nov 16, 2017Observed: 7.16 ft at 12:45PM Nov 16, 2017Observed: 7.14 ft at 1:00PM Nov 16, 2017Observed: 7.13 ft at 1:15PM Nov 16, 2017Observed: 7.1 ft at 1:30PM Nov 16, 2017Observed: 7.09 ft at 1:45PM Nov 16, 2017Observed: 7.09 ft at 2:00PM Nov 16, 2017Observed: 7.07 ft at 2:15PM Nov 16, 2017Observed: 7.08 ft at 2:30PM Nov 16, 2017Observed: 7.05 ft at 2:45PM Nov 16, 2017Observed: 7.05 ft at 2:46PM Nov 16, 2017Observed: 7.1 ft at 3:00PM Nov 16, 2017Observed: 7.13 ft at 3:15PM Nov 16, 2017Observed: 7.13 ft at 3:30PM Nov 16, 2017Observed: 7.13 ft at 3:45PM Nov 16, 2017Observed: 7.12 ft at 4:00PM Nov 16, 2017Observed: 7.11 ft at 4:15PM Nov 16, 2017Observed: 7.13 ft at 4:30PM Nov 16, 2017Observed: 7.12 ft at 4:45PM Nov 16, 2017Observed: 7.09 ft at 5:00PM Nov 16, 2017Observed: 7.1 ft at 5:15PM Nov 16, 2017Observed: 7.09 ft at 5:30PM Nov 16, 2017Observed: 7.18 ft at 5:45PM Nov 16, 2017Observed: 7.29 ft at 6:00PM Nov 16, 2017Observed: 7.35 ft at 6:15PM Nov 16, 2017Observed: 7.38 ft at 6:30PM Nov 16, 2017Observed: 7.41 ft at 6:45PM Nov 16, 2017Observed: 7.41 ft at 7:00PM Nov 16, 2017Observed: 7.41 ft at 7:15PM Nov 16, 2017Observed: 7.41 ft at 7:30PM Nov 16, 2017Observed: 7.4 ft at 7:45PM Nov 16, 2017Observed: 7.41 ft at 8:00PM Nov 16, 2017Observed: 7.41 ft at 8:15PM Nov 16, 2017Observed: 7.42 ft at 8:30PM Nov 16, 2017Observed: 7.43 ft at 8:45PM Nov 16, 2017Observed: 7.43 ft at 8:46PM Nov 16, 2017Observed: 7.42 ft at 9:00PM Nov 16, 2017Observed: 7.42 ft at 9:15PM Nov 16, 2017Observed: 7.42 ft at 9:30PM Nov 16, 2017Observed: 7.42 ft at 9:45PM Nov 16, 2017Observed: 7.43 ft at 10:00PM Nov 16, 2017Observed: 7.42 ft at 10:15PM Nov 16, 2017Observed: 7.43 ft at 10:30PM Nov 16, 2017Observed: 7.43 ft at 10:45PM Nov 16, 2017Observed: 7.44 ft at 11:00PM Nov 16, 2017Observed: 7.41 ft at 11:15PM Nov 16, 2017Observed: 7.41 ft at 11:30PM Nov 16, 2017Observed: 7.43 ft at 11:45PM Nov 16, 2017Observed: 7.46 ft at 12:00AM Nov 17, 2017Observed: 7.43 ft at 12:15AM Nov 17, 2017Observed: 7.41 ft at 12:30AM Nov 17, 2017Observed: 7.41 ft at 12:45AM Nov 17, 2017Observed: 7.4 ft at 1:00AM Nov 17, 2017Observed: 7.4 ft at 1:15AM Nov 17, 2017Observed: 7.39 ft at 1:30AM Nov 17, 2017Observed: 7.37 ft at 1:45AM Nov 17, 2017Observed: 7.37 ft at 2:00AM Nov 17, 2017Observed: 7.37 ft at 2:15AM Nov 17, 2017Observed: 7.39 ft at 2:30AM Nov 17, 2017Observed: 7.35 ft at 2:45AM Nov 17, 2017Observed: 7.35 ft at 2:46AM Nov 17, 2017Observed: 7.34 ft at 3:00AM Nov 17, 2017Observed: 7.33 ft at 3:15AM Nov 17, 2017Observed: 7.36 ft at 3:30AM Nov 17, 2017Observed: 7.36 ft at 3:45AM Nov 17, 2017Observed: 7.35 ft at 4:00AM Nov 17, 2017Observed: 7.36 ft at 4:15AM Nov 17, 2017Observed: 7.34 ft at 4:30AM Nov 17, 2017Observed: 7.34 ft at 4:45AM Nov 17, 2017Observed: 7.35 ft at 5:00AM Nov 17, 2017Observed: 7.34 ft at 5:15AM Nov 17, 2017Observed: 7.33 ft at 5:30AM Nov 17, 2017Observed: 7.31 ft at 5:45AM Nov 17, 2017Observed: 7.3 ft at 6:00AM Nov 17, 2017Observed: 7.33 ft at 6:15AM Nov 17, 2017Observed: 7.29 ft at 6:30AM Nov 17, 2017Observed: 7.26 ft at 6:45AM Nov 17, 2017Observed: 7.23 ft at 7:00AM Nov 17, 2017Observed: 7.23 ft at 7:15AM Nov 17, 2017Observed: 7.2 ft at 7:30AM Nov 17, 2017Observed: 7.19 ft at 7:45AM Nov 17, 2017Observed: 7.18 ft at 8:00AM Nov 17, 2017Observed: 7.15 ft at 8:15AM Nov 17, 2017Observed: 7.13 ft at 8:30AM Nov 17, 2017Observed: 7.12 ft at 8:45AM Nov 17, 2017Observed: 7.12 ft at 8:46AM Nov 17, 2017Observed: 7.09 ft at 9:00AM Nov 17, 2017Observed: 7.06 ft at 9:15AM Nov 17, 2017Observed: 7.09 ft at 9:30AM Nov 17, 2017Observed: 7.08 ft at 9:45AM Nov 17, 2017Observed: 7.06 ft at 10:00AM Nov 17, 2017Observed: 7.07 ft at 10:15AM Nov 17, 2017Observed: 7.08 ft at 10:30AM Nov 17, 2017Observed: 7.08 ft at 10:45AM Nov 17, 2017Observed: 7.07 ft at 11:00AM Nov 17, 2017Observed: 7.05 ft at 11:15AM Nov 17, 2017Observed: 7.07 ft at 11:30AM Nov 17, 2017Observed: 7.07 ft at 11:45AM Nov 17, 2017Observed: 7.08 ft at 12:00PM Nov 17, 2017Observed: 7.07 ft at 12:15PM Nov 17, 2017Observed: 7.09 ft at 12:30PM Nov 17, 2017Observed: 7.1 ft at 12:45PM Nov 17, 2017Observed: 7.08 ft at 1:00PM Nov 17, 2017Observed: 7.1 ft at 1:15PM Nov 17, 2017Observed: 7.1 ft at 1:30PM Nov 17, 2017Observed: 7.09 ft at 1:45PM Nov 17, 2017Observed: 7.1 ft at 2:00PM Nov 17, 2017Observed: 7.09 ft at 2:15PM Nov 17, 2017Observed: 7.08 ft at 2:30PM Nov 17, 2017Observed: 7.07 ft at 2:45PM Nov 17, 2017Observed: 7.07 ft at 2:46PM Nov 17, 2017Observed: 7.05 ft at 3:00PM Nov 17, 2017Observed: 7.06 ft at 3:15PM Nov 17, 2017Observed: 7.07 ft at 3:30PM Nov 17, 2017Observed: 7.06 ft at 3:45PM Nov 17, 2017Observed: 7.05 ft at 4:00PM Nov 17, 2017Observed: 7.07 ft at 4:15PM Nov 17, 2017Observed: 7.07 ft at 4:30PM Nov 17, 2017Observed: 7.07 ft at 4:45PM Nov 17, 2017Observed: 7.09 ft at 5:00PM Nov 17, 2017Observed: 7.07 ft at 5:15PM Nov 17, 2017Observed: 7.09 ft at 5:30PM Nov 17, 2017Observed: 7.08 ft at 5:45PM Nov 17, 2017Observed: 7.09 ft at 6:00PM Nov 17, 2017Observed: 7.08 ft at 6:15PM Nov 17, 2017Observed: 7.08 ft at 6:30PM Nov 17, 2017Observed: 7.07 ft at 6:45PM Nov 17, 2017Observed: 7.08 ft at 7:00PM Nov 17, 2017Observed: 7.1 ft at 7:15PM Nov 17, 2017Observed: 7.21 ft at 7:30PM Nov 17, 2017Observed: 7.25 ft at 7:45PM Nov 17, 2017Observed: 7.27 ft at 8:00PM Nov 17, 2017Observed: 7.27 ft at 8:15PM Nov 17, 2017Observed: 7.26 ft at 8:30PM Nov 17, 2017Observed: 7.25 ft at 8:45PM Nov 17, 2017Observed: 7.25 ft at 8:46PM Nov 17, 2017Observed: 7.25 ft at 9:00PM Nov 17, 2017Observed: 7.26 ft at 9:15PM Nov 17, 2017Observed: 7.29 ft at 9:30PM Nov 17, 2017Observed: 7.3 ft at 9:45PM Nov 17, 2017Observed: 7.29 ft at 10:00PM Nov 17, 2017Observed: 7.31 ft at 10:15PM Nov 17, 2017Observed: 7.33 ft at 10:30PM Nov 17, 2017Observed: 7.35 ft at 10:45PM Nov 17, 2017Observed: 7.35 ft at 11:00PM Nov 17, 2017Observed: 7.37 ft at 11:15PM Nov 17, 2017Observed: 7.38 ft at 11:30PM Nov 17, 2017Observed: 7.38 ft at 11:45PM Nov 17, 2017Observed: 7.39 ft at 12:00AM Nov 18, 2017Observed: 7.41 ft at 12:15AM Nov 18, 2017Observed: 7.43 ft at 12:30AM Nov 18, 2017Observed: 7.42 ft at 12:45AM Nov 18, 2017Observed: 7.43 ft at 1:00AM Nov 18, 2017Observed: 7.45 ft at 1:15AM Nov 18, 2017Observed: 7.44 ft at 1:30AM Nov 18, 2017Observed: 7.47 ft at 1:45AM Nov 18, 2017Observed: 7.46 ft at 2:00AM Nov 18, 2017Observed: 7.45 ft at 2:15AM Nov 18, 2017Observed: 7.47 ft at 2:30AM Nov 18, 2017Observed: 7.49 ft at 2:45AM Nov 18, 2017Observed: 7.49 ft at 2:46AM Nov 18, 2017Observed: 7.51 ft at 3:00AM Nov 18, 2017Observed: 7.5 ft at 3:15AM Nov 18, 2017Observed: 7.52 ft at 3:30AM Nov 18, 2017Observed: 7.51 ft at 3:45AM Nov 18, 2017Observed: 7.51 ft at 4:00AM Nov 18, 2017Observed: 7.54 ft at 4:15AM Nov 18, 2017Observed: 7.55 ft at 4:30AM Nov 18, 2017Observed: 7.57 ft at 4:45AM Nov 18, 2017Observed: 7.59 ft at 5:00AM Nov 18, 2017Observed: 7.6 ft at 5:15AM Nov 18, 2017Observed: 7.59 ft at 5:30AM Nov 18, 2017Observed: 7.59 ft at 5:45AM Nov 18, 2017Observed: 7.61 ft at 6:00AM Nov 18, 2017Observed: 7.62 ft at 6:15AM Nov 18, 2017Observed: 7.62 ft at 6:30AM Nov 18, 2017Observed: 7.63 ft at 6:45AM Nov 18, 2017Observed: 7.63 ft at 7:00AM Nov 18, 2017Observed: 7.65 ft at 7:15AM Nov 18, 2017Observed: 7.65 ft at 7:30AM Nov 18, 2017Observed: 7.67 ft at 7:45AM Nov 18, 2017Observed: 7.66 ft at 8:00AM Nov 18, 2017Observed: 7.67 ft at 8:15AM Nov 18, 2017Observed: 7.67 ft at 8:30AM Nov 18, 2017Observed: 7.67 ft at 8:45AM Nov 18, 2017Observed: 7.67 ft at 8:46AM Nov 18, 2017Observed: 7.69 ft at 9:00AM Nov 18, 2017Observed: 7.7 ft at 9:15AM Nov 18, 2017Observed: 7.7 ft at 9:30AM Nov 18, 2017Observed: 7.76 ft at 9:45AM Nov 18, 2017Observed: 7.78 ft at 10:00AM Nov 18, 2017Observed: 7.81 ft at 10:15AM Nov 18, 2017Observed: 7.81 ft at 10:30AM Nov 18, 2017Observed: 7.82 ft at 10:45AM Nov 18, 2017Observed: 7.83 ft at 11:00AM Nov 18, 2017Observed: 7.81 ft at 11:15AM Nov 18, 2017Observed: 7.8 ft at 11:30AM Nov 18, 2017Observed: 7.78 ft at 11:45AM Nov 18, 2017Observed: 7.78 ft at 12:00PM Nov 18, 2017Observed: 7.78 ft at 12:15PM Nov 18, 2017Observed: 7.8 ft at 12:30PM Nov 18, 2017Observed: 7.82 ft at 12:45PM Nov 18, 2017Observed: 7.82 ft at 1:00PM Nov 18, 2017Observed: 7.83 ft at 1:15PM Nov 18, 2017Observed: 7.86 ft at 1:30PM Nov 18, 2017Observed: 7.91 ft at 1:45PM Nov 18, 2017Observed: 7.95 ft at 2:00PM Nov 18, 2017Observed: 7.97 ft at 2:15PM Nov 18, 2017Observed: 7.99 ft at 2:30PM Nov 18, 2017Observed: 8.01 ft at 2:45PM Nov 18, 2017Observed: 8.02 ft at 3:00PM Nov 18, 2017Observed: 8.04 ft at 3:15PM Nov 18, 2017Observed: 8.03 ft at 3:30PM Nov 18, 2017Observed: 8.05 ft at 3:45PM Nov 18, 2017Observed: 8.06 ft at 4:00PM Nov 18, 2017Observed: 8.08 ft at 4:15PM Nov 18, 2017Observed: 8.11 ft at 4:30PM Nov 18, 2017Observed: 8.14 ft at 4:45PM Nov 18, 2017Observed: 8.17 ft at 5:00PM Nov 18, 2017Observed: 8.17 ft at 5:15PM Nov 18, 2017Observed: 8.19 ft at 5:30PM Nov 18, 2017Observed: 8.18 ft at 5:45PM Nov 18, 2017Observed: 8.2 ft at 6:00PM Nov 18, 2017Observed: 8.21 ft at 6:15PM Nov 18, 2017Observed: 8.21 ft at 6:30PM Nov 18, 2017Observed: 8.25 ft at 6:45PM Nov 18, 2017Observed: 8.26 ft at 7:00PM Nov 18, 2017Observed: 8.27 ft at 7:15PM Nov 18, 2017Observed: 8.29 ft at 7:30PM Nov 18, 2017Observed: 8.29 ft at 7:45PM Nov 18, 2017Observed: 8.32 ft at 8:00PM Nov 18, 2017Observed: 8.31 ft at 8:15PM Nov 18, 2017Observed: 8.33 ft at 8:30PM Nov 18, 2017Observed: 8.32 ft at 8:45PM Nov 18, 2017Observed: 8.35 ft at 9:00PM Nov 18, 2017Observed: 8.35 ft at 9:01PM Nov 18, 2017Observed: 8.35 ft at 9:15PM Nov 18, 2017Observed: 8.35 ft at 9:30PM Nov 18, 2017Observed: 8.37 ft at 9:45PM Nov 18, 2017Observed: 8.38 ft at 10:00PM Nov 18, 2017Observed: 8.38 ft at 10:15PM Nov 18, 2017Observed: 8.39 ft at 10:30PM Nov 18, 2017Observed: 8.38 ft at 10:45PM Nov 18, 2017Observed: 8.4 ft at 11:00PM Nov 18, 2017Observed: 8.4 ft at 11:15PM Nov 18, 2017Observed: 8.41 ft at 11:30PM Nov 18, 2017Observed: 8.4 ft at 11:45PM Nov 18, 2017Observed: 8.41 ft at 12:00AM Nov 19, 2017Observed: 8.42 ft at 12:15AM Nov 19, 2017Observed: 8.41 ft at 12:30AM Nov 19, 2017Observed: 8.43 ft at 12:45AM Nov 19, 2017Observed: 8.44 ft at 1:00AM Nov 19, 2017Observed: 8.46 ft at 1:15AM Nov 19, 2017Observed: 8.43 ft at 1:30AM Nov 19, 2017Observed: 8.45 ft at 1:45AM Nov 19, 2017Observed: 8.46 ft at 2:00AM Nov 19, 2017Observed: 8.46 ft at 2:15AM Nov 19, 2017Observed: 8.45 ft at 2:30AM Nov 19, 2017Observed: 8.47 ft at 2:45AM Nov 19, 2017Observed: 8.45 ft at 3:00AM Nov 19, 2017Observed: 8.45 ft at 3:01AM Nov 19, 2017Observed: 8.46 ft at 3:15AM Nov 19, 2017Highest Observation: 8.48 ft at 3:30AM Nov 19, 2017Observed: 8.47 ft at 3:45AM Nov 19, 2017Highest Observation: 8.48 ft at 4:00AM Nov 19, 2017Highest Observation: 8.48 ft at 4:15AM Nov 19, 2017Observed: 8.46 ft at 4:30AM Nov 19, 2017USGS--Water Resources of the United StatesHLYM3(plotting HGIRG) Graph Created (5:30AM Nov 19, 2017)ObservedLatest observed value: 8.46 ft at 4:30 AM EST 19-Nov-2017. Flood Stage is 26.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Connecticut River at Holyoke are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Holyoke - Upper Upstream Gauge Downstream Gauge Downstream Gauge - at Springfield
Flood Categories (in feet)
Major Flood Stage: 32.5
Moderate Flood Stage: 29.5
Flood Stage: 26.5
Action Stage: 25.5
Low Stage (in feet): -9999

Historic Crests
(1) 27.73 ft on 08/30/2011
(2) 26.39 ft on 10/10/2005
(3) 25.27 ft on 04/17/2007
(4) 25.20 ft on 04/02/2004
(5) 25.04 ft on 04/04/2005
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 27.73 ft on 08/30/2011
(2) 22.06 ft on 12/13/2008
(3) 25.27 ft on 04/17/2007
(4) 26.39 ft on 10/10/2005
(5) 25.04 ft on 04/04/2005
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
32.5 This is a serious flood episode. Follow the direction of your local emergency management officals. If asked to evacuate, do so immediately. All flood protection measures must be rushed to completion in flood prone areas. Flooding is likely from below the Holyoke Dam through Chicopee and West Springfield.
29 Flooding will continue to spead across low lying areas from Holyoke south through Agawam. Inundation of areas which are outside of local levee protection is likely.
28 Flooding will affect low lying areas along the river which fall outside of levees and flood protection walls.
26.5 Lowland flooding is expected along the Connecticut River below the Holyoke Dam south to Agawam and Longmeadow.
About This Location Collapse

Latitude: 42.191469° N, Longitude: 72.609311° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 26.5 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 32.42 58.92 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 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: 21-Dec-2016 10:38 PM
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