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ALERT: December 13th update on the status of the nationwide data transmission error preventing stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. As of 11/08/2018, The USGS has restored all impacted operational stream gauges to transmitting status. The status map of gauge outages from other agencies is here. This will be the last outage map posted as over 95% of the gauge outages have been restored. Local NWS offices will continue to monitor the remaining gauge outages.



Hydrograph River at a Glance Download
Connecticut River at Holyoke Stage (ft)Flow (kcfs)Observed: 9.84 ft at 7:15AM Dec 12, 2018Observed: 9.84 ft at 7:30AM Dec 12, 2018Observed: 9.82 ft at 7:45AM Dec 12, 2018Highest Observation: 9.86 ft at 8:00AM Dec 12, 2018Observed: 9.82 ft at 8:15AM Dec 12, 2018Observed: 9.83 ft at 8:30AM Dec 12, 2018Observed: 9.81 ft at 8:45AM Dec 12, 2018Observed: 9.85 ft at 9:00AM Dec 12, 2018Observed: 9.79 ft at 9:15AM Dec 12, 2018Highest Observation: 9.86 ft at 9:30AM Dec 12, 2018Observed: 9.8 ft at 9:45AM Dec 12, 2018Observed: 9.82 ft at 10:00AM Dec 12, 2018Observed: 9.79 ft at 10:15AM Dec 12, 2018Observed: 9.8 ft at 10:30AM Dec 12, 2018Observed: 9.82 ft at 10:45AM Dec 12, 2018Observed: 9.72 ft at 11:00AM Dec 12, 2018Observed: 9.71 ft at 11:15AM Dec 12, 2018Observed: 9.71 ft at 11:30AM Dec 12, 2018Observed: 9.67 ft at 11:45AM Dec 12, 2018Observed: 9.63 ft at 12:00PM Dec 12, 2018Observed: 9.64 ft at 12:15PM Dec 12, 2018Observed: 9.63 ft at 12:30PM Dec 12, 2018Observed: 9.57 ft at 12:45PM Dec 12, 2018Observed: 9.62 ft at 1:00PM Dec 12, 2018Observed: 9.57 ft at 1:15PM Dec 12, 2018Observed: 9.6 ft at 1:30PM Dec 12, 2018Observed: 9.6 ft at 1:31PM Dec 12, 2018Observed: 9.6 ft at 1:45PM Dec 12, 2018Observed: 9.59 ft at 2:00PM Dec 12, 2018Observed: 9.6 ft at 2:15PM Dec 12, 2018Observed: 9.59 ft at 2:30PM Dec 12, 2018Observed: 9.52 ft at 2:45PM Dec 12, 2018Observed: 9.59 ft at 3:00PM Dec 12, 2018Observed: 9.57 ft at 3:15PM Dec 12, 2018Observed: 9.51 ft at 3:30PM Dec 12, 2018Observed: 9.51 ft at 3:45PM Dec 12, 2018Observed: 9.53 ft at 4:00PM Dec 12, 2018Observed: 9.58 ft at 4:15PM Dec 12, 2018Observed: 9.54 ft at 4:30PM Dec 12, 2018Observed: 9.52 ft at 4:45PM Dec 12, 2018Observed: 9.5 ft at 5:00PM Dec 12, 2018Observed: 9.5 ft at 5:15PM Dec 12, 2018Observed: 9.48 ft at 5:30PM Dec 12, 2018Observed: 9.57 ft at 5:45PM Dec 12, 2018Observed: 9.54 ft at 6:00PM Dec 12, 2018Observed: 9.55 ft at 6:15PM Dec 12, 2018Observed: 9.5 ft at 6:30PM Dec 12, 2018Observed: 9.48 ft at 6:45PM Dec 12, 2018Observed: 9.51 ft at 7:00PM Dec 12, 2018Observed: 9.53 ft at 7:15PM Dec 12, 2018Observed: 9.49 ft at 7:30PM Dec 12, 2018Observed: 9.49 ft at 7:31PM Dec 12, 2018Observed: 9.54 ft at 7:45PM Dec 12, 2018Observed: 9.51 ft at 8:00PM Dec 12, 2018Observed: 9.5 ft at 8:15PM Dec 12, 2018Observed: 9.5 ft at 8:30PM Dec 12, 2018Observed: 9.5 ft at 8:45PM Dec 12, 2018Observed: 9.49 ft at 9:00PM Dec 12, 2018Observed: 9.48 ft at 9:15PM Dec 12, 2018Observed: 9.52 ft at 9:30PM Dec 12, 2018Observed: 9.55 ft at 9:45PM Dec 12, 2018Observed: 9.48 ft at 10:00PM Dec 12, 2018Observed: 9.49 ft at 10:15PM Dec 12, 2018Observed: 9.47 ft at 10:30PM Dec 12, 2018Observed: 9.5 ft at 10:45PM Dec 12, 2018Observed: 9.44 ft at 11:00PM Dec 12, 2018Observed: 9.48 ft at 11:15PM Dec 12, 2018Observed: 9.49 ft at 11:30PM Dec 12, 2018Observed: 9.46 ft at 11:45PM Dec 12, 2018Observed: 9.44 ft at 12:00AM Dec 13, 2018Observed: 9.48 ft at 12:15AM Dec 13, 2018Observed: 9.48 ft at 12:30AM Dec 13, 2018Observed: 9.46 ft at 12:45AM Dec 13, 2018Observed: 9.49 ft at 1:00AM Dec 13, 2018Observed: 9.45 ft at 1:15AM Dec 13, 2018Observed: 9.48 ft at 1:30AM Dec 13, 2018Observed: 9.43 ft at 1:45AM Dec 13, 2018Observed: 9.47 ft at 2:00AM Dec 13, 2018Observed: 9.46 ft at 2:15AM Dec 13, 2018Observed: 9.44 ft at 2:30AM Dec 13, 2018Observed: 9.45 ft at 2:45AM Dec 13, 2018Observed: 9.47 ft at 3:00AM Dec 13, 2018Observed: 9.45 ft at 3:15AM Dec 13, 2018Observed: 9.49 ft at 3:30AM Dec 13, 2018Observed: 9.51 ft at 3:45AM Dec 13, 2018Observed: 9.51 ft at 4:00AM Dec 13, 2018Observed: 9.46 ft at 4:15AM Dec 13, 2018Observed: 9.52 ft at 4:30AM Dec 13, 2018Observed: 9.53 ft at 4:45AM Dec 13, 2018Observed: 9.53 ft at 5:00AM Dec 13, 2018Observed: 9.52 ft at 5:15AM Dec 13, 2018Observed: 9.49 ft at 5:30AM Dec 13, 2018Observed: 9.55 ft at 5:45AM Dec 13, 2018Observed: 9.55 ft at 6:00AM Dec 13, 2018Observed: 9.58 ft at 6:15AM Dec 13, 2018Observed: 9.6 ft at 6:30AM Dec 13, 2018Observed: 9.6 ft at 6:45AM Dec 13, 2018Observed: 9.62 ft at 7:00AM Dec 13, 2018Observed: 9.58 ft at 7:15AM Dec 13, 2018Observed: 9.58 ft at 7:30AM Dec 13, 2018Observed: 9.58 ft at 7:31AM Dec 13, 2018Observed: 9.57 ft at 7:45AM Dec 13, 2018Observed: 9.55 ft at 8:00AM Dec 13, 2018Observed: 9.59 ft at 8:15AM Dec 13, 2018Observed: 9.59 ft at 8:30AM Dec 13, 2018Observed: 9.61 ft at 8:45AM Dec 13, 2018Observed: 9.6 ft at 9:00AM Dec 13, 2018Observed: 9.57 ft at 9:15AM Dec 13, 2018Observed: 9.54 ft at 9:30AM Dec 13, 2018Observed: 9.57 ft at 9:45AM Dec 13, 2018Observed: 9.56 ft at 10:00AM Dec 13, 2018Observed: 9.52 ft at 10:15AM Dec 13, 2018Observed: 9.5 ft at 10:30AM Dec 13, 2018Observed: 9.48 ft at 10:45AM Dec 13, 2018Observed: 9.44 ft at 11:00AM Dec 13, 2018Observed: 9.42 ft at 11:15AM Dec 13, 2018Observed: 9.41 ft at 11:30AM Dec 13, 2018Observed: 9.39 ft at 11:45AM Dec 13, 2018Observed: 9.46 ft at 12:00PM Dec 13, 2018Observed: 9.47 ft at 12:15PM Dec 13, 2018Observed: 9.38 ft at 12:30PM Dec 13, 2018Observed: 9.43 ft at 12:45PM Dec 13, 2018Observed: 9.38 ft at 1:00PM Dec 13, 2018Observed: 9.39 ft at 1:15PM Dec 13, 2018Observed: 9.38 ft at 1:30PM Dec 13, 2018Observed: 9.39 ft at 1:45PM Dec 13, 2018Observed: 9.35 ft at 2:00PM Dec 13, 2018Observed: 9.35 ft at 2:15PM Dec 13, 2018Observed: 9.39 ft at 2:30PM Dec 13, 2018Observed: 9.39 ft at 2:45PM Dec 13, 2018Observed: 9.33 ft at 3:00PM Dec 13, 2018Observed: 9.35 ft at 3:15PM Dec 13, 2018Observed: 9.34 ft at 3:30PM Dec 13, 2018Observed: 9.33 ft at 3:45PM Dec 13, 2018Observed: 9.37 ft at 4:00PM Dec 13, 2018Observed: 9.38 ft at 4:15PM Dec 13, 2018Observed: 9.38 ft at 4:30PM Dec 13, 2018Observed: 9.37 ft at 4:45PM Dec 13, 2018Observed: 9.32 ft at 5:00PM Dec 13, 2018Observed: 9.31 ft at 5:15PM Dec 13, 2018Observed: 9.35 ft at 5:30PM Dec 13, 2018Observed: 9.34 ft at 5:45PM Dec 13, 2018Observed: 9.36 ft at 6:00PM Dec 13, 2018Observed: 9.33 ft at 6:15PM Dec 13, 2018Observed: 9.35 ft at 6:30PM Dec 13, 2018Observed: 9.37 ft at 6:45PM Dec 13, 2018Observed: 9.36 ft at 7:00PM Dec 13, 2018Observed: 9.33 ft at 7:15PM Dec 13, 2018Observed: 9.31 ft at 7:30PM Dec 13, 2018Observed: 9.31 ft at 7:31PM Dec 13, 2018Observed: 9.35 ft at 7:45PM Dec 13, 2018Observed: 9.36 ft at 8:00PM Dec 13, 2018Observed: 9.37 ft at 8:15PM Dec 13, 2018Observed: 9.28 ft at 8:30PM Dec 13, 2018Observed: 9.29 ft at 8:45PM Dec 13, 2018Observed: 9.3 ft at 9:00PM Dec 13, 2018Observed: 9.32 ft at 9:15PM Dec 13, 2018Observed: 9.36 ft at 9:30PM Dec 13, 2018Observed: 9.29 ft at 9:45PM Dec 13, 2018Observed: 9.3 ft at 10:00PM Dec 13, 2018Observed: 9.36 ft at 10:15PM Dec 13, 2018Observed: 9.35 ft at 10:30PM Dec 13, 2018Observed: 9.34 ft at 10:45PM Dec 13, 2018Observed: 9.29 ft at 11:00PM Dec 13, 2018Observed: 9.28 ft at 11:15PM Dec 13, 2018Observed: 9.31 ft at 11:30PM Dec 13, 2018Observed: 9.25 ft at 11:45PM Dec 13, 2018Observed: 9.26 ft at 12:00AM Dec 14, 2018Observed: 9.33 ft at 12:15AM Dec 14, 2018Observed: 9.28 ft at 12:30AM Dec 14, 2018Observed: 9.28 ft at 12:45AM Dec 14, 2018Observed: 9.32 ft at 1:00AM Dec 14, 2018Observed: 9.34 ft at 1:15AM Dec 14, 2018Observed: 9.33 ft at 1:30AM Dec 14, 2018Observed: 9.33 ft at 1:31AM Dec 14, 2018Observed: 9.28 ft at 1:45AM Dec 14, 2018Observed: 9.34 ft at 2:00AM Dec 14, 2018Observed: 9.29 ft at 2:15AM Dec 14, 2018Observed: 9.35 ft at 2:30AM Dec 14, 2018Observed: 9.32 ft at 2:45AM Dec 14, 2018Observed: 9.31 ft at 3:00AM Dec 14, 2018Observed: 9.29 ft at 3:15AM Dec 14, 2018Observed: 9.28 ft at 3:30AM Dec 14, 2018Observed: 9.35 ft at 3:45AM Dec 14, 2018Observed: 9.33 ft at 4:00AM Dec 14, 2018Observed: 9.32 ft at 4:15AM Dec 14, 2018Observed: 9.28 ft at 4:30AM Dec 14, 2018Observed: 9.28 ft at 4:45AM Dec 14, 2018Observed: 9.3 ft at 5:00AM Dec 14, 2018Observed: 9.26 ft at 5:15AM Dec 14, 2018Observed: 9.28 ft at 5:30AM Dec 14, 2018Observed: 9.31 ft at 5:45AM Dec 14, 2018Observed: 9.32 ft at 6:00AM Dec 14, 2018Observed: 9.39 ft at 6:15AM Dec 14, 2018Observed: 9.4 ft at 6:30AM Dec 14, 2018Observed: 9.39 ft at 6:45AM Dec 14, 2018Observed: 9.4 ft at 7:00AM Dec 14, 2018Observed: 9.46 ft at 7:15AM Dec 14, 2018Observed: 9.44 ft at 7:30AM Dec 14, 2018Observed: 9.44 ft at 7:31AM Dec 14, 2018Observed: 9.41 ft at 7:45AM Dec 14, 2018Observed: 9.46 ft at 8:00AM Dec 14, 2018Observed: 9.44 ft at 8:15AM Dec 14, 2018Observed: 9.45 ft at 8:30AM Dec 14, 2018Observed: 9.45 ft at 8:45AM Dec 14, 2018Observed: 9.47 ft at 9:00AM Dec 14, 2018Observed: 9.46 ft at 9:15AM Dec 14, 2018Observed: 9.45 ft at 9:30AM Dec 14, 2018Observed: 9.47 ft at 9:45AM Dec 14, 2018Observed: 9.42 ft at 10:00AM Dec 14, 2018Observed: 9.41 ft at 10:15AM Dec 14, 2018Observed: 9.45 ft at 10:30AM Dec 14, 2018Observed: 9.46 ft at 10:45AM Dec 14, 2018Observed: 9.44 ft at 11:00AM Dec 14, 2018Observed: 9.41 ft at 11:15AM Dec 14, 2018Observed: 9.37 ft at 11:30AM Dec 14, 2018Observed: 9.31 ft at 11:45AM Dec 14, 2018Observed: 9.28 ft at 12:00PM Dec 14, 2018Observed: 9.28 ft at 12:15PM Dec 14, 2018Observed: 9.25 ft at 12:30PM Dec 14, 2018Observed: 9.17 ft at 12:45PM Dec 14, 2018Observed: 9.13 ft at 1:00PM Dec 14, 2018Observed: 9.17 ft at 1:15PM Dec 14, 2018Observed: 9.12 ft at 1:30PM Dec 14, 2018Observed: 9.11 ft at 1:45PM Dec 14, 2018Observed: 9.11 ft at 2:00PM Dec 14, 2018Observed: 9.13 ft at 2:15PM Dec 14, 2018Observed: 9.08 ft at 2:30PM Dec 14, 2018Observed: 9.08 ft at 2:45PM Dec 14, 2018Observed: 9.13 ft at 3:00PM Dec 14, 2018Observed: 9.07 ft at 3:15PM Dec 14, 2018Observed: 9.05 ft at 3:30PM Dec 14, 2018Observed: 9.07 ft at 3:45PM Dec 14, 2018Observed: 9.09 ft at 4:00PM Dec 14, 2018Observed: 9.05 ft at 4:15PM Dec 14, 2018Observed: 9.05 ft at 4:30PM Dec 14, 2018Observed: 9.13 ft at 4:45PM Dec 14, 2018Observed: 9.16 ft at 5:00PM Dec 14, 2018Observed: 9.12 ft at 5:15PM Dec 14, 2018Observed: 9.18 ft at 5:30PM Dec 14, 2018Observed: 9.15 ft at 5:45PM Dec 14, 2018Observed: 9.16 ft at 6:00PM Dec 14, 2018Observed: 9.11 ft at 6:15PM Dec 14, 2018Observed: 9.11 ft at 6:30PM Dec 14, 2018Observed: 9.13 ft at 6:45PM Dec 14, 2018Observed: 9.15 ft at 7:00PM Dec 14, 2018Observed: 9.14 ft at 7:15PM Dec 14, 2018Observed: 9.18 ft at 7:30PM Dec 14, 2018Observed: 9.18 ft at 7:45PM Dec 14, 2018Observed: 9.18 ft at 7:46PM Dec 14, 2018Observed: 9.15 ft at 8:00PM Dec 14, 2018Observed: 9.17 ft at 8:15PM Dec 14, 2018Observed: 9.18 ft at 8:30PM Dec 14, 2018Observed: 9.22 ft at 8:45PM Dec 14, 2018Observed: 9.18 ft at 9:00PM Dec 14, 2018Observed: 9.15 ft at 9:15PM Dec 14, 2018Observed: 9.2 ft at 9:30PM Dec 14, 2018Observed: 9.24 ft at 9:45PM Dec 14, 2018Observed: 9.2 ft at 10:00PM Dec 14, 2018Observed: 9.17 ft at 10:15PM Dec 14, 2018Observed: 9.17 ft at 10:30PM Dec 14, 2018Observed: 9.18 ft at 10:45PM Dec 14, 2018Observed: 9.21 ft at 11:00PM Dec 14, 2018Observed: 9.21 ft at 11:15PM Dec 14, 2018Observed: 9.18 ft at 11:30PM Dec 14, 2018Observed: 9.18 ft at 11:45PM Dec 14, 2018Observed: 9.24 ft at 12:00AM Dec 15, 2018Observed: 9.25 ft at 12:15AM Dec 15, 2018Observed: 9.19 ft at 12:30AM Dec 15, 2018Observed: 9.24 ft at 12:45AM Dec 15, 2018Observed: 9.21 ft at 1:00AM Dec 15, 2018Observed: 9.25 ft at 1:15AM Dec 15, 2018Observed: 9.2 ft at 1:30AM Dec 15, 2018Observed: 9.23 ft at 1:45AM Dec 15, 2018Observed: 9.23 ft at 1:46AM Dec 15, 2018Observed: 9.22 ft at 2:00AM Dec 15, 2018Observed: 9.27 ft at 2:15AM Dec 15, 2018Observed: 9.23 ft at 2:30AM Dec 15, 2018Observed: 9.28 ft at 2:45AM Dec 15, 2018Observed: 9.23 ft at 3:00AM Dec 15, 2018Observed: 9.24 ft at 3:15AM Dec 15, 2018Observed: 9.23 ft at 3:30AM Dec 15, 2018Observed: 9.26 ft at 3:45AM Dec 15, 2018Observed: 9.2 ft at 4:00AM Dec 15, 2018Observed: 9.23 ft at 4:15AM Dec 15, 2018Observed: 9.26 ft at 4:30AM Dec 15, 2018Observed: 9.27 ft at 4:45AM Dec 15, 2018Observed: 9.27 ft at 5:00AM Dec 15, 2018Observed: 9.23 ft at 5:15AM Dec 15, 2018Observed: 9.25 ft at 5:30AM Dec 15, 2018Observed: 9.27 ft at 5:45AM Dec 15, 2018Observed: 9.26 ft at 6:00AM Dec 15, 2018Observed: 9.27 ft at 6:15AM Dec 15, 2018Observed: 9.29 ft at 6:30AM Dec 15, 2018USGS--Water Resources of the United StatesHLYM3(plotting HGIRG) Graph Created (7:00AM Dec 15, 2018)ObservedLatest observed value: 9.29 ft at 6:30 AM EST 15-Dec-2018. 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: Gauge reading may be affected by ice.

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 / Norton Weather Forecast Office
46 Commerce Way
Norton, MA 02766
(508) 622-3250
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Page last modified: 21-Dec-2016 5:21 PM
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