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Hydrograph River at a Glance Download
Connecticut River at Holyoke Stage (ft)Flow (kcfs)Observed: 10 ft at 10:30AM Mar 29, 2015Observed: 9.99 ft at 10:45AM Mar 29, 2015Highest Observation: 10.01 ft at 11:00AM Mar 29, 2015Observed: 9.98 ft at 11:15AM Mar 29, 2015Observed: 9.99 ft at 11:30AM Mar 29, 2015Observed: 9.99 ft at 11:45AM Mar 29, 2015Observed: 9.97 ft at 12:00PM Mar 29, 2015Observed: 9.94 ft at 12:15PM Mar 29, 2015Observed: 9.94 ft at 12:30PM Mar 29, 2015Observed: 9.91 ft at 12:45PM Mar 29, 2015Observed: 9.88 ft at 1:00PM Mar 29, 2015Observed: 9.83 ft at 1:15PM Mar 29, 2015Observed: 9.79 ft at 1:30PM Mar 29, 2015Observed: 9.75 ft at 1:45PM Mar 29, 2015Observed: 9.73 ft at 2:00PM Mar 29, 2015Observed: 9.72 ft at 2:15PM Mar 29, 2015Observed: 9.69 ft at 2:30PM Mar 29, 2015Observed: 9.67 ft at 2:45PM Mar 29, 2015Observed: 9.67 ft at 3:00PM Mar 29, 2015Observed: 9.66 ft at 3:15PM Mar 29, 2015Observed: 9.63 ft at 3:30PM Mar 29, 2015Observed: 9.62 ft at 3:45PM Mar 29, 2015Observed: 9.62 ft at 3:46PM Mar 29, 2015Observed: 9.62 ft at 4:00PM Mar 29, 2015Observed: 9.61 ft at 4:15PM Mar 29, 2015Observed: 9.59 ft at 4:30PM Mar 29, 2015Observed: 9.56 ft at 4:45PM Mar 29, 2015Observed: 9.59 ft at 5:00PM Mar 29, 2015Observed: 9.57 ft at 5:15PM Mar 29, 2015Observed: 9.55 ft at 5:30PM Mar 29, 2015Observed: 9.57 ft at 5:45PM Mar 29, 2015Observed: 9.55 ft at 6:00PM Mar 29, 2015Observed: 9.54 ft at 6:15PM Mar 29, 2015Observed: 9.53 ft at 6:30PM Mar 29, 2015Observed: 9.54 ft at 6:45PM Mar 29, 2015Observed: 9.52 ft at 7:00PM Mar 29, 2015Observed: 9.51 ft at 7:15PM Mar 29, 2015Observed: 9.53 ft at 7:30PM Mar 29, 2015Observed: 9.49 ft at 7:45PM Mar 29, 2015Observed: 9.5 ft at 8:00PM Mar 29, 2015Observed: 9.48 ft at 8:15PM Mar 29, 2015Observed: 9.48 ft at 8:30PM Mar 29, 2015Observed: 9.48 ft at 8:45PM Mar 29, 2015Observed: 9.47 ft at 9:00PM Mar 29, 2015Observed: 9.45 ft at 9:15PM Mar 29, 2015Observed: 9.32 ft at 9:30PM Mar 29, 2015Observed: 9.22 ft at 9:45PM Mar 29, 2015Observed: 9.22 ft at 9:46PM Mar 29, 2015Observed: 9.15 ft at 10:00PM Mar 29, 2015Observed: 9.12 ft at 10:15PM Mar 29, 2015Observed: 9.13 ft at 10:30PM Mar 29, 2015Observed: 9.12 ft at 10:45PM Mar 29, 2015Observed: 9.12 ft at 11:00PM Mar 29, 2015Observed: 9.12 ft at 11:15PM Mar 29, 2015Observed: 9.11 ft at 11:30PM Mar 29, 2015Observed: 9.09 ft at 11:45PM Mar 29, 2015Observed: 9.07 ft at 12:00AM Mar 30, 2015Observed: 9.06 ft at 12:15AM Mar 30, 2015Observed: 9.05 ft at 12:30AM Mar 30, 2015Observed: 9.02 ft at 12:45AM Mar 30, 2015Observed: 9 ft at 1:00AM Mar 30, 2015Observed: 9 ft at 1:15AM Mar 30, 2015Observed: 9 ft at 1:30AM Mar 30, 2015Observed: 8.98 ft at 1:45AM Mar 30, 2015Observed: 8.97 ft at 2:00AM Mar 30, 2015Observed: 8.98 ft at 2:15AM Mar 30, 2015Observed: 8.98 ft at 2:30AM Mar 30, 2015Observed: 8.96 ft at 2:45AM Mar 30, 2015Observed: 8.94 ft at 3:00AM Mar 30, 2015Observed: 8.92 ft at 3:15AM Mar 30, 2015Observed: 8.91 ft at 3:30AM Mar 30, 2015Observed: 8.88 ft at 3:45AM Mar 30, 2015Observed: 8.87 ft at 4:00AM Mar 30, 2015Observed: 8.86 ft at 4:15AM Mar 30, 2015Observed: 8.85 ft at 4:30AM Mar 30, 2015Observed: 8.83 ft at 4:45AM Mar 30, 2015Observed: 8.81 ft at 5:00AM Mar 30, 2015Observed: 8.82 ft at 5:15AM Mar 30, 2015Observed: 8.78 ft at 5:30AM Mar 30, 2015Observed: 8.77 ft at 5:45AM Mar 30, 2015Observed: 8.73 ft at 6:00AM Mar 30, 2015Observed: 8.72 ft at 6:15AM Mar 30, 2015Observed: 8.71 ft at 6:30AM Mar 30, 2015Observed: 8.69 ft at 6:45AM Mar 30, 2015Observed: 8.66 ft at 7:00AM Mar 30, 2015Observed: 8.67 ft at 7:15AM Mar 30, 2015Observed: 8.64 ft at 7:30AM Mar 30, 2015Observed: 8.63 ft at 7:45AM Mar 30, 2015Observed: 8.59 ft at 8:00AM Mar 30, 2015Observed: 8.6 ft at 8:15AM Mar 30, 2015Observed: 8.58 ft at 8:30AM Mar 30, 2015Observed: 8.56 ft at 8:45AM Mar 30, 2015Observed: 8.57 ft at 9:00AM Mar 30, 2015Observed: 8.54 ft at 9:15AM Mar 30, 2015Observed: 8.55 ft at 9:30AM Mar 30, 2015Observed: 8.52 ft at 9:45AM Mar 30, 2015Observed: 8.52 ft at 9:46AM Mar 30, 2015Observed: 8.5 ft at 10:00AM Mar 30, 2015Observed: 8.5 ft at 10:15AM Mar 30, 2015Observed: 8.5 ft at 10:30AM Mar 30, 2015Observed: 8.43 ft at 10:45AM Mar 30, 2015Observed: 8.32 ft at 11:00AM Mar 30, 2015Observed: 8.25 ft at 11:15AM Mar 30, 2015Observed: 8.17 ft at 11:30AM Mar 30, 2015Observed: 8.13 ft at 11:45AM Mar 30, 2015Observed: 8.08 ft at 12:00PM Mar 30, 2015Observed: 8.09 ft at 12:15PM Mar 30, 2015Observed: 8.11 ft at 12:30PM Mar 30, 2015Observed: 8.1 ft at 12:45PM Mar 30, 2015Observed: 8.1 ft at 1:00PM Mar 30, 2015Observed: 8.09 ft at 1:15PM Mar 30, 2015Observed: 8.11 ft at 1:30PM Mar 30, 2015Observed: 8.1 ft at 1:45PM Mar 30, 2015Observed: 8.1 ft at 2:00PM Mar 30, 2015Observed: 8.08 ft at 2:15PM Mar 30, 2015Observed: 8.05 ft at 2:30PM Mar 30, 2015Observed: 8.06 ft at 2:45PM Mar 30, 2015Observed: 8.04 ft at 3:00PM Mar 30, 2015Observed: 8.05 ft at 3:15PM Mar 30, 2015Observed: 8.05 ft at 3:30PM Mar 30, 2015Observed: 8.02 ft at 3:45PM Mar 30, 2015Observed: 8.01 ft at 4:00PM Mar 30, 2015Observed: 8.16 ft at 4:15PM Mar 30, 2015Observed: 8.25 ft at 4:30PM Mar 30, 2015Observed: 8.3 ft at 4:45PM Mar 30, 2015Observed: 8.31 ft at 5:00PM Mar 30, 2015Observed: 8.34 ft at 5:15PM Mar 30, 2015Observed: 8.37 ft at 5:30PM Mar 30, 2015Observed: 8.36 ft at 5:45PM Mar 30, 2015Observed: 8.38 ft at 6:00PM Mar 30, 2015Observed: 8.43 ft at 6:15PM Mar 30, 2015Observed: 8.53 ft at 6:30PM Mar 30, 2015Observed: 8.6 ft at 6:45PM Mar 30, 2015Observed: 8.64 ft at 7:00PM Mar 30, 2015Observed: 8.68 ft at 7:15PM Mar 30, 2015Observed: 8.68 ft at 7:30PM Mar 30, 2015Observed: 8.72 ft at 7:45PM Mar 30, 2015Observed: 8.76 ft at 8:00PM Mar 30, 2015Observed: 8.78 ft at 8:15PM Mar 30, 2015Observed: 8.8 ft at 8:30PM Mar 30, 2015Observed: 8.82 ft at 8:45PM Mar 30, 2015Observed: 8.83 ft at 9:00PM Mar 30, 2015Observed: 8.84 ft at 9:15PM Mar 30, 2015Observed: 8.85 ft at 9:30PM Mar 30, 2015Observed: 8.86 ft at 9:45PM Mar 30, 2015Observed: 8.86 ft at 9:46PM Mar 30, 2015Observed: 8.89 ft at 10:00PM Mar 30, 2015Observed: 8.89 ft at 10:15PM Mar 30, 2015Observed: 8.92 ft at 10:30PM Mar 30, 2015Observed: 8.93 ft at 10:45PM Mar 30, 2015Observed: 8.95 ft at 11:00PM Mar 30, 2015Observed: 8.95 ft at 11:15PM Mar 30, 2015Observed: 8.96 ft at 11:30PM Mar 30, 2015Observed: 8.96 ft at 11:45PM Mar 30, 2015Observed: 8.97 ft at 12:00AM Mar 31, 2015Observed: 8.94 ft at 12:15AM Mar 31, 2015Observed: 8.87 ft at 12:30AM Mar 31, 2015Observed: 8.83 ft at 12:45AM Mar 31, 2015Observed: 8.81 ft at 1:00AM Mar 31, 2015Observed: 8.78 ft at 1:15AM Mar 31, 2015Observed: 8.75 ft at 1:30AM Mar 31, 2015Observed: 8.76 ft at 1:45AM Mar 31, 2015Observed: 8.74 ft at 2:00AM Mar 31, 2015Observed: 8.75 ft at 2:15AM Mar 31, 2015Observed: 8.76 ft at 2:30AM Mar 31, 2015Observed: 8.77 ft at 2:45AM Mar 31, 2015Observed: 8.79 ft at 3:00AM Mar 31, 2015Observed: 8.8 ft at 3:15AM Mar 31, 2015Observed: 8.85 ft at 3:30AM Mar 31, 2015Observed: 8.86 ft at 3:45AM Mar 31, 2015Observed: 8.86 ft at 3:46AM Mar 31, 2015Observed: 8.83 ft at 4:00AM Mar 31, 2015Observed: 8.83 ft at 4:15AM Mar 31, 2015Observed: 8.85 ft at 4:30AM Mar 31, 2015Observed: 8.83 ft at 4:45AM Mar 31, 2015Observed: 8.82 ft at 5:00AM Mar 31, 2015Observed: 8.82 ft at 5:15AM Mar 31, 2015Observed: 8.83 ft at 5:30AM Mar 31, 2015Observed: 8.83 ft at 5:45AM Mar 31, 2015Observed: 8.84 ft at 6:00AM Mar 31, 2015Observed: 8.82 ft at 6:15AM Mar 31, 2015Observed: 8.83 ft at 6:30AM Mar 31, 2015Observed: 8.81 ft at 6:45AM Mar 31, 2015Observed: 8.82 ft at 7:00AM Mar 31, 2015Observed: 8.8 ft at 7:15AM Mar 31, 2015Observed: 8.85 ft at 7:30AM Mar 31, 2015Observed: 8.81 ft at 7:45AM Mar 31, 2015Observed: 8.82 ft at 8:00AM Mar 31, 2015Observed: 8.8 ft at 8:15AM Mar 31, 2015Observed: 8.81 ft at 8:30AM Mar 31, 2015Observed: 8.8 ft at 8:45AM Mar 31, 2015Observed: 8.84 ft at 9:00AM Mar 31, 2015Observed: 8.8 ft at 9:15AM Mar 31, 2015Observed: 8.83 ft at 9:30AM Mar 31, 2015Observed: 8.73 ft at 9:45AM Mar 31, 2015Observed: 8.61 ft at 10:00AM Mar 31, 2015Observed: 8.61 ft at 10:01AM Mar 31, 2015Observed: 8.52 ft at 10:15AM Mar 31, 2015Observed: 8.47 ft at 10:30AM Mar 31, 2015Observed: 8.44 ft at 10:45AM Mar 31, 2015Observed: 8.42 ft at 11:00AM Mar 31, 2015Observed: 8.4 ft at 11:15AM Mar 31, 2015Observed: 8.38 ft at 11:30AM Mar 31, 2015Observed: 8.35 ft at 11:45AM Mar 31, 2015Observed: 8.34 ft at 12:00PM Mar 31, 2015Observed: 8.32 ft at 12:15PM Mar 31, 2015Observed: 8.31 ft at 12:30PM Mar 31, 2015Observed: 8.24 ft at 12:45PM Mar 31, 2015Observed: 8.2 ft at 1:00PM Mar 31, 2015Observed: 8.17 ft at 1:15PM Mar 31, 2015Observed: 8.17 ft at 1:30PM Mar 31, 2015Observed: 8.14 ft at 1:45PM Mar 31, 2015Observed: 8.14 ft at 2:00PM Mar 31, 2015Observed: 8.09 ft at 2:15PM Mar 31, 2015Observed: 8.06 ft at 2:30PM Mar 31, 2015Observed: 8.02 ft at 2:45PM Mar 31, 2015Observed: 7.98 ft at 3:00PM Mar 31, 2015Observed: 7.94 ft at 3:15PM Mar 31, 2015Observed: 7.93 ft at 3:30PM Mar 31, 2015Observed: 7.91 ft at 3:45PM Mar 31, 2015Observed: 7.89 ft at 4:00PM Mar 31, 2015Observed: 7.89 ft at 4:01PM Mar 31, 2015Observed: 7.87 ft at 4:15PM Mar 31, 2015Observed: 7.84 ft at 4:30PM Mar 31, 2015Observed: 7.83 ft at 4:45PM Mar 31, 2015Observed: 7.81 ft at 5:00PM Mar 31, 2015Observed: 7.8 ft at 5:15PM Mar 31, 2015Observed: 7.88 ft at 5:30PM Mar 31, 2015Observed: 7.92 ft at 5:45PM Mar 31, 2015Observed: 7.95 ft at 6:00PM Mar 31, 2015Observed: 7.95 ft at 6:15PM Mar 31, 2015Observed: 7.92 ft at 6:30PM Mar 31, 2015Observed: 7.91 ft at 6:45PM Mar 31, 2015Observed: 7.89 ft at 7:00PM Mar 31, 2015Observed: 7.88 ft at 7:15PM Mar 31, 2015Observed: 7.89 ft at 7:30PM Mar 31, 2015Observed: 7.9 ft at 7:45PM Mar 31, 2015Observed: 7.91 ft at 8:00PM Mar 31, 2015Observed: 7.91 ft at 8:15PM Mar 31, 2015Observed: 7.91 ft at 8:30PM Mar 31, 2015Observed: 7.91 ft at 8:45PM Mar 31, 2015Observed: 7.91 ft at 9:00PM Mar 31, 2015Observed: 7.92 ft at 9:15PM Mar 31, 2015Observed: 7.93 ft at 9:30PM Mar 31, 2015Observed: 7.9 ft at 9:45PM Mar 31, 2015Observed: 7.9 ft at 10:00PM Mar 31, 2015Observed: 7.9 ft at 10:15PM Mar 31, 2015Observed: 7.94 ft at 10:30PM Mar 31, 2015Observed: 7.91 ft at 10:45PM Mar 31, 2015Observed: 7.9 ft at 11:00PM Mar 31, 2015Observed: 7.89 ft at 11:15PM Mar 31, 2015Observed: 7.92 ft at 11:30PM Mar 31, 2015Observed: 7.92 ft at 11:45PM Mar 31, 2015Observed: 7.91 ft at 12:00AM Apr 01, 2015Observed: 7.91 ft at 12:15AM Apr 01, 2015Observed: 7.92 ft at 12:30AM Apr 01, 2015Observed: 7.93 ft at 12:45AM Apr 01, 2015Observed: 7.91 ft at 1:00AM Apr 01, 2015Observed: 7.94 ft at 1:15AM Apr 01, 2015Observed: 7.95 ft at 1:30AM Apr 01, 2015Observed: 7.94 ft at 1:45AM Apr 01, 2015Observed: 7.91 ft at 2:00AM Apr 01, 2015Observed: 7.92 ft at 2:15AM Apr 01, 2015Observed: 7.93 ft at 2:30AM Apr 01, 2015Observed: 7.93 ft at 2:45AM Apr 01, 2015Observed: 7.93 ft at 3:00AM Apr 01, 2015Observed: 7.92 ft at 3:15AM Apr 01, 2015Observed: 7.92 ft at 3:30AM Apr 01, 2015Observed: 7.9 ft at 3:45AM Apr 01, 2015Observed: 7.94 ft at 4:00AM Apr 01, 2015Observed: 7.97 ft at 4:15AM Apr 01, 2015Observed: 8 ft at 4:30AM Apr 01, 2015Observed: 8.01 ft at 4:45AM Apr 01, 2015Observed: 8.04 ft at 5:00AM Apr 01, 2015Observed: 8.05 ft at 5:15AM Apr 01, 2015Observed: 8.03 ft at 5:30AM Apr 01, 2015Observed: 8.05 ft at 5:45AM Apr 01, 2015Observed: 8.05 ft at 6:00AM Apr 01, 2015Observed: 8.06 ft at 6:15AM Apr 01, 2015Observed: 8.06 ft at 6:30AM Apr 01, 2015Observed: 8.07 ft at 6:45AM Apr 01, 2015Observed: 8.08 ft at 7:00AM Apr 01, 2015Observed: 8.07 ft at 7:15AM Apr 01, 2015Observed: 8.09 ft at 7:30AM Apr 01, 2015Observed: 8.08 ft at 7:45AM Apr 01, 2015Observed: 8.09 ft at 8:00AM Apr 01, 2015Observed: 8.08 ft at 8:15AM Apr 01, 2015Observed: 8.03 ft at 8:30AM Apr 01, 2015Observed: 7.99 ft at 8:45AM Apr 01, 2015Observed: 7.99 ft at 9:00AM Apr 01, 2015Observed: 7.99 ft at 9:15AM Apr 01, 2015Observed: 7.96 ft at 9:30AM Apr 01, 2015USGS--Water Resources of the United StatesHLYM3(plotting HGIRG) Graph Created (10:15AM Apr 1, 2015)ObservedLatest observed value: 7.96 ft at 9:30 AM EDT 1-Apr-2015. Flood Stage is 26.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
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): 0

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: 42.190556° N, Longitude: 72.608889° 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:

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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.
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Page last modified: 12-Feb-2015 9:34 PM
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