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Hydrograph River at a Glance Download
Connecticut River at Holyoke Stage (ft)Flow (kcfs)Observed: 10.55 ft at 7:15AM Jan 25, 2015Observed: 10.56 ft at 7:30AM Jan 25, 2015Observed: 10.54 ft at 7:45AM Jan 25, 2015Observed: 10.53 ft at 8:00AM Jan 25, 2015Observed: 10.52 ft at 8:15AM Jan 25, 2015Observed: 10.52 ft at 8:16AM Jan 25, 2015Observed: 10.53 ft at 8:30AM Jan 25, 2015Observed: 10.53 ft at 8:45AM Jan 25, 2015Observed: 10.52 ft at 9:00AM Jan 25, 2015Observed: 10.54 ft at 9:15AM Jan 25, 2015Observed: 10.54 ft at 9:30AM Jan 25, 2015Observed: 10.55 ft at 9:45AM Jan 25, 2015Observed: 10.54 ft at 10:00AM Jan 25, 2015Observed: 10.55 ft at 10:15AM Jan 25, 2015Observed: 10.53 ft at 10:30AM Jan 25, 2015Observed: 10.55 ft at 10:45AM Jan 25, 2015Observed: 10.57 ft at 11:00AM Jan 25, 2015Observed: 10.58 ft at 11:15AM Jan 25, 2015Observed: 10.57 ft at 11:30AM Jan 25, 2015Observed: 10.58 ft at 11:45AM Jan 25, 2015Observed: 10.57 ft at 12:00PM Jan 25, 2015Observed: 10.56 ft at 12:15PM Jan 25, 2015Observed: 10.56 ft at 12:30PM Jan 25, 2015Observed: 10.57 ft at 12:45PM Jan 25, 2015Observed: 10.56 ft at 1:00PM Jan 25, 2015Observed: 10.54 ft at 1:15PM Jan 25, 2015Observed: 10.53 ft at 1:30PM Jan 25, 2015Observed: 10.5 ft at 1:45PM Jan 25, 2015Observed: 10.51 ft at 2:00PM Jan 25, 2015Observed: 10.51 ft at 2:15PM Jan 25, 2015Observed: 10.5 ft at 2:30PM Jan 25, 2015Observed: 10.49 ft at 2:45PM Jan 25, 2015Observed: 10.48 ft at 3:00PM Jan 25, 2015Observed: 10.47 ft at 3:15PM Jan 25, 2015Observed: 10.45 ft at 3:30PM Jan 25, 2015Observed: 10.44 ft at 3:45PM Jan 25, 2015Observed: 10.42 ft at 4:00PM Jan 25, 2015Observed: 10.41 ft at 4:15PM Jan 25, 2015Observed: 10.4 ft at 4:30PM Jan 25, 2015Observed: 10.39 ft at 4:45PM Jan 25, 2015Observed: 10.38 ft at 5:00PM Jan 25, 2015Observed: 10.38 ft at 5:15PM Jan 25, 2015Observed: 10.37 ft at 5:30PM Jan 25, 2015Observed: 10.38 ft at 5:45PM Jan 25, 2015Observed: 10.37 ft at 6:00PM Jan 25, 2015Observed: 10.34 ft at 6:15PM Jan 25, 2015Observed: 10.24 ft at 6:30PM Jan 25, 2015Observed: 10.16 ft at 6:45PM Jan 25, 2015Observed: 10.1 ft at 7:00PM Jan 25, 2015Observed: 10.04 ft at 7:15PM Jan 25, 2015Observed: 10 ft at 7:30PM Jan 25, 2015Observed: 9.97 ft at 7:45PM Jan 25, 2015Observed: 9.95 ft at 8:00PM Jan 25, 2015Observed: 9.89 ft at 8:15PM Jan 25, 2015Observed: 9.82 ft at 8:30PM Jan 25, 2015Observed: 9.76 ft at 8:45PM Jan 25, 2015Observed: 9.7 ft at 9:00PM Jan 25, 2015Observed: 9.64 ft at 9:15PM Jan 25, 2015Observed: 9.63 ft at 9:30PM Jan 25, 2015Observed: 9.61 ft at 9:45PM Jan 25, 2015Observed: 9.6 ft at 10:00PM Jan 25, 2015Observed: 9.58 ft at 10:15PM Jan 25, 2015Observed: 9.57 ft at 10:30PM Jan 25, 2015Observed: 9.56 ft at 10:45PM Jan 25, 2015Observed: 9.55 ft at 11:00PM Jan 25, 2015Observed: 9.55 ft at 11:15PM Jan 25, 2015Observed: 9.54 ft at 11:30PM Jan 25, 2015Observed: 9.52 ft at 11:45PM Jan 25, 2015Observed: 9.5 ft at 12:00AM Jan 26, 2015Observed: 9.48 ft at 12:15AM Jan 26, 2015Observed: 9.41 ft at 12:30AM Jan 26, 2015Observed: 9.35 ft at 12:45AM Jan 26, 2015Observed: 9.3 ft at 1:00AM Jan 26, 2015Observed: 9.26 ft at 1:15AM Jan 26, 2015Observed: 9.24 ft at 1:30AM Jan 26, 2015Observed: 9.22 ft at 1:45AM Jan 26, 2015Observed: 9.21 ft at 2:00AM Jan 26, 2015Observed: 9.19 ft at 2:15AM Jan 26, 2015Observed: 9.19 ft at 2:30AM Jan 26, 2015Observed: 9.21 ft at 2:45AM Jan 26, 2015Observed: 9.22 ft at 3:00AM Jan 26, 2015Observed: 9.23 ft at 3:15AM Jan 26, 2015Observed: 9.23 ft at 3:30AM Jan 26, 2015Observed: 9.23 ft at 3:45AM Jan 26, 2015Observed: 9.22 ft at 4:00AM Jan 26, 2015Observed: 9.21 ft at 4:15AM Jan 26, 2015Observed: 9.2 ft at 4:30AM Jan 26, 2015Observed: 9.2 ft at 4:45AM Jan 26, 2015Observed: 9.19 ft at 5:00AM Jan 26, 2015Observed: 9.21 ft at 5:15AM Jan 26, 2015Observed: 9.23 ft at 5:30AM Jan 26, 2015Observed: 9.25 ft at 5:45AM Jan 26, 2015Observed: 9.28 ft at 6:00AM Jan 26, 2015Observed: 9.34 ft at 6:15AM Jan 26, 2015Observed: 9.45 ft at 6:30AM Jan 26, 2015Observed: 9.54 ft at 6:45AM Jan 26, 2015Observed: 9.59 ft at 7:00AM Jan 26, 2015Observed: 9.64 ft at 7:15AM Jan 26, 2015Observed: 9.67 ft at 7:30AM Jan 26, 2015Observed: 9.7 ft at 7:45AM Jan 26, 2015Observed: 9.71 ft at 8:00AM Jan 26, 2015Observed: 9.74 ft at 8:15AM Jan 26, 2015Observed: 9.77 ft at 8:30AM Jan 26, 2015Observed: 9.77 ft at 8:31AM Jan 26, 2015Observed: 9.78 ft at 8:45AM Jan 26, 2015Observed: 9.8 ft at 9:00AM Jan 26, 2015Observed: 9.81 ft at 9:15AM Jan 26, 2015Observed: 9.81 ft at 9:30AM Jan 26, 2015Observed: 9.82 ft at 9:45AM Jan 26, 2015Observed: 9.83 ft at 10:00AM Jan 26, 2015Observed: 9.84 ft at 10:15AM Jan 26, 2015Observed: 9.85 ft at 10:30AM Jan 26, 2015Observed: 9.87 ft at 10:45AM Jan 26, 2015Observed: 9.9 ft at 11:00AM Jan 26, 2015Observed: 9.92 ft at 11:15AM Jan 26, 2015Observed: 9.94 ft at 11:30AM Jan 26, 2015Observed: 9.95 ft at 11:45AM Jan 26, 2015Observed: 9.97 ft at 12:00PM Jan 26, 2015Observed: 9.96 ft at 12:15PM Jan 26, 2015Observed: 9.93 ft at 12:30PM Jan 26, 2015Observed: 9.9 ft at 12:45PM Jan 26, 2015Observed: 9.88 ft at 1:00PM Jan 26, 2015Observed: 9.87 ft at 1:15PM Jan 26, 2015Observed: 9.85 ft at 1:30PM Jan 26, 2015Observed: 9.84 ft at 1:45PM Jan 26, 2015Observed: 9.81 ft at 2:00PM Jan 26, 2015Observed: 9.79 ft at 2:15PM Jan 26, 2015Observed: 9.75 ft at 2:30PM Jan 26, 2015Observed: 9.75 ft at 2:45PM Jan 26, 2015Observed: 9.74 ft at 3:00PM Jan 26, 2015Observed: 9.72 ft at 3:15PM Jan 26, 2015Observed: 9.71 ft at 3:30PM Jan 26, 2015Observed: 9.71 ft at 3:45PM Jan 26, 2015Observed: 9.7 ft at 4:00PM Jan 26, 2015Observed: 9.68 ft at 4:15PM Jan 26, 2015Observed: 9.68 ft at 4:30PM Jan 26, 2015Observed: 9.67 ft at 4:45PM Jan 26, 2015Observed: 9.66 ft at 5:00PM Jan 26, 2015Observed: 9.65 ft at 5:15PM Jan 26, 2015Observed: 9.65 ft at 5:30PM Jan 26, 2015Observed: 9.66 ft at 5:45PM Jan 26, 2015Observed: 9.67 ft at 6:00PM Jan 26, 2015Observed: 9.67 ft at 6:15PM Jan 26, 2015Observed: 9.67 ft at 6:30PM Jan 26, 2015Observed: 9.67 ft at 6:45PM Jan 26, 2015Observed: 9.68 ft at 7:00PM Jan 26, 2015Observed: 9.67 ft at 7:15PM Jan 26, 2015Observed: 9.67 ft at 7:30PM Jan 26, 2015Observed: 9.68 ft at 7:45PM Jan 26, 2015Observed: 9.67 ft at 8:00PM Jan 26, 2015Observed: 9.69 ft at 8:15PM Jan 26, 2015Observed: 9.69 ft at 8:30PM Jan 26, 2015Observed: 9.69 ft at 8:31PM Jan 26, 2015Observed: 9.71 ft at 8:45PM Jan 26, 2015Observed: 9.72 ft at 9:00PM Jan 26, 2015Observed: 9.73 ft at 9:15PM Jan 26, 2015Observed: 9.74 ft at 9:30PM Jan 26, 2015Observed: 9.74 ft at 9:45PM Jan 26, 2015Observed: 9.73 ft at 10:00PM Jan 26, 2015Observed: 9.73 ft at 10:15PM Jan 26, 2015Observed: 9.72 ft at 10:30PM Jan 26, 2015Observed: 9.72 ft at 10:45PM Jan 26, 2015Observed: 9.73 ft at 11:00PM Jan 26, 2015Observed: 9.73 ft at 11:15PM Jan 26, 2015Observed: 9.76 ft at 11:30PM Jan 26, 2015Observed: 9.77 ft at 11:45PM Jan 26, 2015Observed: 9.8 ft at 12:00AM Jan 27, 2015Observed: 9.81 ft at 12:15AM Jan 27, 2015Observed: 9.81 ft at 12:30AM Jan 27, 2015Observed: 9.82 ft at 12:45AM Jan 27, 2015Observed: 9.83 ft at 1:00AM Jan 27, 2015Observed: 9.84 ft at 1:15AM Jan 27, 2015Observed: 9.84 ft at 1:30AM Jan 27, 2015Observed: 9.88 ft at 1:45AM Jan 27, 2015Observed: 9.89 ft at 2:00AM Jan 27, 2015Observed: 9.9 ft at 2:15AM Jan 27, 2015Observed: 9.92 ft at 2:30AM Jan 27, 2015Observed: 9.92 ft at 2:31AM Jan 27, 2015Observed: 9.94 ft at 2:45AM Jan 27, 2015Observed: 9.96 ft at 3:00AM Jan 27, 2015Observed: 9.98 ft at 3:15AM Jan 27, 2015Observed: 9.99 ft at 3:30AM Jan 27, 2015Observed: 10.03 ft at 3:45AM Jan 27, 2015Observed: 10.04 ft at 4:00AM Jan 27, 2015Observed: 10.08 ft at 4:15AM Jan 27, 2015Observed: 10.1 ft at 4:30AM Jan 27, 2015Observed: 10.2 ft at 4:45AM Jan 27, 2015Observed: 10.32 ft at 5:00AM Jan 27, 2015Observed: 10.47 ft at 5:15AM Jan 27, 2015Observed: 10.56 ft at 5:30AM Jan 27, 2015Observed: 10.63 ft at 5:45AM Jan 27, 2015Observed: 10.69 ft at 6:00AM Jan 27, 2015Observed: 10.76 ft at 6:15AM Jan 27, 2015Observed: 10.85 ft at 6:30AM Jan 27, 2015Observed: 10.86 ft at 6:45AM Jan 27, 2015Observed: 10.89 ft at 7:00AM Jan 27, 2015Observed: 10.94 ft at 7:15AM Jan 27, 2015Observed: 11.01 ft at 7:30AM Jan 27, 2015Observed: 11.05 ft at 7:45AM Jan 27, 2015Observed: 11.07 ft at 8:00AM Jan 27, 2015Observed: 11.11 ft at 8:15AM Jan 27, 2015Observed: 11.13 ft at 8:30AM Jan 27, 2015Observed: 11.14 ft at 8:45AM Jan 27, 2015Observed: 11.17 ft at 9:00AM Jan 27, 2015Observed: 11.21 ft at 9:15AM Jan 27, 2015Observed: 11.25 ft at 9:30AM Jan 27, 2015Observed: 11.25 ft at 9:45AM Jan 27, 2015Observed: 11.28 ft at 10:00AM Jan 27, 2015Observed: 11.29 ft at 10:15AM Jan 27, 2015Observed: 11.34 ft at 10:30AM Jan 27, 2015Observed: 11.33 ft at 10:45AM Jan 27, 2015Observed: 11.34 ft at 11:00AM Jan 27, 2015Observed: 11.33 ft at 11:15AM Jan 27, 2015Observed: 11.33 ft at 11:30AM Jan 27, 2015Observed: 11.34 ft at 11:45AM Jan 27, 2015Highest Observation: 11.35 ft at 12:00PM Jan 27, 2015Observed: 11.34 ft at 12:15PM Jan 27, 2015Observed: 11.33 ft at 12:30PM Jan 27, 2015Observed: 11.34 ft at 12:45PM Jan 27, 2015Observed: 11.32 ft at 1:00PM Jan 27, 2015Observed: 11.32 ft at 1:15PM Jan 27, 2015Observed: 11.31 ft at 1:30PM Jan 27, 2015Observed: 11.3 ft at 1:45PM Jan 27, 2015Observed: 11.27 ft at 2:00PM Jan 27, 2015Observed: 11.23 ft at 2:15PM Jan 27, 2015Observed: 11.22 ft at 2:30PM Jan 27, 2015Observed: 11.22 ft at 2:31PM Jan 27, 2015Observed: 11.2 ft at 2:45PM Jan 27, 2015Observed: 11.17 ft at 3:00PM Jan 27, 2015Observed: 11.15 ft at 3:15PM Jan 27, 2015Observed: 11.15 ft at 3:30PM Jan 27, 2015Observed: 11.13 ft at 3:45PM Jan 27, 2015Observed: 11.12 ft at 4:00PM Jan 27, 2015Observed: 11.08 ft at 4:15PM Jan 27, 2015Observed: 11 ft at 4:30PM Jan 27, 2015Observed: 10.94 ft at 4:45PM Jan 27, 2015Observed: 10.89 ft at 5:00PM Jan 27, 2015Observed: 10.86 ft at 5:15PM Jan 27, 2015Observed: 10.83 ft at 5:30PM Jan 27, 2015Observed: 10.8 ft at 5:45PM Jan 27, 2015Observed: 10.79 ft at 6:00PM Jan 27, 2015Observed: 10.77 ft at 6:15PM Jan 27, 2015Observed: 10.75 ft at 6:30PM Jan 27, 2015Observed: 10.73 ft at 6:45PM Jan 27, 2015Observed: 10.71 ft at 7:00PM Jan 27, 2015Observed: 10.69 ft at 7:15PM Jan 27, 2015Observed: 10.68 ft at 7:30PM Jan 27, 2015Observed: 10.67 ft at 7:45PM Jan 27, 2015Observed: 10.66 ft at 8:00PM Jan 27, 2015Observed: 10.65 ft at 8:15PM Jan 27, 2015Observed: 10.65 ft at 8:30PM Jan 27, 2015Observed: 10.65 ft at 8:31PM Jan 27, 2015Observed: 10.64 ft at 8:45PM Jan 27, 2015Observed: 10.64 ft at 9:00PM Jan 27, 2015Observed: 10.63 ft at 9:15PM Jan 27, 2015Observed: 10.63 ft at 9:30PM Jan 27, 2015Observed: 10.63 ft at 9:45PM Jan 27, 2015Observed: 10.63 ft at 10:00PM Jan 27, 2015Observed: 10.65 ft at 10:15PM Jan 27, 2015Observed: 10.65 ft at 10:30PM Jan 27, 2015Observed: 10.59 ft at 10:45PM Jan 27, 2015Observed: 10.5 ft at 11:00PM Jan 27, 2015Observed: 10.45 ft at 11:15PM Jan 27, 2015Observed: 10.42 ft at 11:30PM Jan 27, 2015Observed: 10.39 ft at 11:45PM Jan 27, 2015Observed: 10.36 ft at 12:00AM Jan 28, 2015Observed: 10.34 ft at 12:15AM Jan 28, 2015Observed: 10.31 ft at 12:30AM Jan 28, 2015Observed: 10.29 ft at 12:45AM Jan 28, 2015Observed: 10.27 ft at 1:00AM Jan 28, 2015Observed: 10.26 ft at 1:15AM Jan 28, 2015Observed: 10.24 ft at 1:30AM Jan 28, 2015Observed: 10.24 ft at 1:45AM Jan 28, 2015Observed: 10.22 ft at 2:00AM Jan 28, 2015Observed: 10.21 ft at 2:15AM Jan 28, 2015Observed: 10.2 ft at 2:30AM Jan 28, 2015Observed: 10.2 ft at 2:31AM Jan 28, 2015Observed: 10.21 ft at 2:45AM Jan 28, 2015Observed: 10.2 ft at 3:00AM Jan 28, 2015Observed: 10.19 ft at 3:15AM Jan 28, 2015Observed: 10.2 ft at 3:30AM Jan 28, 2015Observed: 10.19 ft at 3:45AM Jan 28, 2015Observed: 10.18 ft at 4:00AM Jan 28, 2015Observed: 10.16 ft at 4:15AM Jan 28, 2015Observed: 10.18 ft at 4:30AM Jan 28, 2015Observed: 10.15 ft at 4:45AM Jan 28, 2015Observed: 10.16 ft at 5:00AM Jan 28, 2015Observed: 10.15 ft at 5:15AM Jan 28, 2015Observed: 10.14 ft at 5:30AM Jan 28, 2015Observed: 10.11 ft at 5:45AM Jan 28, 2015Observed: 10.11 ft at 6:00AM Jan 28, 2015Observed: 9.98 ft at 6:15AM Jan 28, 2015Observed: 9.95 ft at 6:30AM Jan 28, 2015USGS--Water Resources of the United StatesHLYM3(plotting HGIRG) Graph Created (7:00AM Jan 28, 2015)ObservedLatest observed value: 9.95 ft at 6:30 AM EST 28-Jan-2015. 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. Forecast flows are unadjusted for 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): 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: 20-Nov-2014 2:55 AM
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