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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...


Inundation maps are now available for Lodi, NJ. These are provided in cooperation with NJDEP and NJ USGS.
Weather Forecast Office Upton, NY Northeast River Forecast Center
Hydrograph River at a Glance Download
Coginchaug River at Middlefield Stage (ft)Flow (kcfs)Observed: 4.7 ft at 2:45AM May 19, 2013Observed: 4.69 ft at 3:00AM May 19, 2013Observed: 4.7 ft at 3:15AM May 19, 2013Observed: 4.69 ft at 3:30AM May 19, 2013Observed: 4.69 ft at 3:45AM May 19, 2013Observed: 4.68 ft at 4:00AM May 19, 2013Observed: 4.69 ft at 4:15AM May 19, 2013Observed: 4.69 ft at 4:30AM May 19, 2013Observed: 4.69 ft at 4:45AM May 19, 2013Observed: 4.7 ft at 5:00AM May 19, 2013Observed: 4.69 ft at 5:15AM May 19, 2013Observed: 4.69 ft at 5:30AM May 19, 2013Observed: 4.69 ft at 5:45AM May 19, 2013Observed: 4.7 ft at 6:00AM May 19, 2013Observed: 4.69 ft at 6:15AM May 19, 2013Observed: 4.69 ft at 6:30AM May 19, 2013Observed: 4.69 ft at 6:45AM May 19, 2013Observed: 4.69 ft at 7:00AM May 19, 2013Observed: 4.69 ft at 7:15AM May 19, 2013Observed: 4.69 ft at 7:30AM May 19, 2013Observed: 4.68 ft at 7:45AM May 19, 2013Observed: 4.67 ft at 8:00AM May 19, 2013Observed: 4.68 ft at 8:15AM May 19, 2013Observed: 4.69 ft at 8:30AM May 19, 2013Observed: 4.69 ft at 8:45AM May 19, 2013Observed: 4.67 ft at 9:00AM May 19, 2013Observed: 4.69 ft at 9:15AM May 19, 2013Observed: 4.69 ft at 9:30AM May 19, 2013Observed: 4.69 ft at 9:45AM May 19, 2013Observed: 4.67 ft at 10:00AM May 19, 2013Observed: 4.69 ft at 10:15AM May 19, 2013Observed: 4.69 ft at 10:30AM May 19, 2013Observed: 4.67 ft at 10:45AM May 19, 2013Observed: 4.69 ft at 11:00AM May 19, 2013Observed: 4.69 ft at 11:15AM May 19, 2013Observed: 4.67 ft at 11:30AM May 19, 2013Observed: 4.69 ft at 11:45AM May 19, 2013Observed: 4.69 ft at 12:00PM May 19, 2013Observed: 4.69 ft at 12:15PM May 19, 2013Observed: 4.67 ft at 12:30PM May 19, 2013Observed: 4.69 ft at 12:45PM May 19, 2013Observed: 4.69 ft at 1:00PM May 19, 2013Observed: 4.68 ft at 1:15PM May 19, 2013Observed: 4.68 ft at 1:30PM May 19, 2013Observed: 4.68 ft at 1:45PM May 19, 2013Observed: 4.67 ft at 2:00PM May 19, 2013Observed: 4.68 ft at 2:15PM May 19, 2013Observed: 4.69 ft at 2:30PM May 19, 2013Observed: 4.68 ft at 2:45PM May 19, 2013Observed: 4.68 ft at 3:00PM May 19, 2013Observed: 4.69 ft at 3:15PM May 19, 2013Observed: 4.68 ft at 3:30PM May 19, 2013Observed: 4.69 ft at 3:45PM May 19, 2013Observed: 4.69 ft at 4:00PM May 19, 2013Observed: 4.69 ft at 4:15PM May 19, 2013Observed: 4.69 ft at 4:30PM May 19, 2013Observed: 4.68 ft at 4:45PM May 19, 2013Observed: 4.69 ft at 5:00PM May 19, 2013Observed: 4.69 ft at 5:15PM May 19, 2013Observed: 4.69 ft at 5:30PM May 19, 2013Observed: 4.69 ft at 5:45PM May 19, 2013Observed: 4.69 ft at 6:00PM May 19, 2013Observed: 4.69 ft at 6:15PM May 19, 2013Observed: 4.69 ft at 6:30PM May 19, 2013Observed: 4.69 ft at 6:45PM May 19, 2013Observed: 4.69 ft at 7:00PM May 19, 2013Observed: 4.69 ft at 7:15PM May 19, 2013Observed: 4.7 ft at 7:30PM May 19, 2013Observed: 4.69 ft at 7:45PM May 19, 2013Observed: 4.68 ft at 8:00PM May 19, 2013Observed: 4.68 ft at 8:15PM May 19, 2013Observed: 4.7 ft at 8:30PM May 19, 2013Observed: 4.7 ft at 8:45PM May 19, 2013Observed: 4.69 ft at 9:00PM May 19, 2013Observed: 4.7 ft at 9:15PM May 19, 2013Observed: 4.7 ft at 9:30PM May 19, 2013Observed: 4.7 ft at 9:45PM May 19, 2013Observed: 4.71 ft at 10:00PM May 19, 2013Observed: 4.69 ft at 10:15PM May 19, 2013Observed: 4.7 ft at 10:30PM May 19, 2013Observed: 4.69 ft at 10:45PM May 19, 2013Observed: 4.71 ft at 11:00PM May 19, 2013Observed: 4.71 ft at 11:15PM May 19, 2013Observed: 4.71 ft at 11:30PM May 19, 2013Observed: 4.71 ft at 11:45PM May 19, 2013Observed: 4.71 ft at 12:00AM May 20, 2013Observed: 4.71 ft at 12:15AM May 20, 2013Observed: 4.71 ft at 12:30AM May 20, 2013Observed: 4.71 ft at 12:45AM May 20, 2013Observed: 4.71 ft at 1:00AM May 20, 2013Observed: 4.71 ft at 1:15AM May 20, 2013Observed: 4.71 ft at 1:30AM May 20, 2013Observed: 4.72 ft at 1:45AM May 20, 2013Observed: 4.7 ft at 2:00AM May 20, 2013Observed: 4.71 ft at 2:15AM May 20, 2013Observed: 4.71 ft at 2:30AM May 20, 2013Observed: 4.71 ft at 2:45AM May 20, 2013Observed: 4.72 ft at 3:00AM May 20, 2013Observed: 4.72 ft at 3:15AM May 20, 2013Observed: 4.72 ft at 3:30AM May 20, 2013Observed: 4.72 ft at 3:45AM May 20, 2013Observed: 4.72 ft at 4:00AM May 20, 2013Observed: 4.72 ft at 4:15AM May 20, 2013Observed: 4.72 ft at 4:30AM May 20, 2013Observed: 4.72 ft at 4:45AM May 20, 2013Observed: 4.72 ft at 5:00AM May 20, 2013Observed: 4.71 ft at 5:15AM May 20, 2013Observed: 4.72 ft at 5:30AM May 20, 2013Observed: 4.72 ft at 5:45AM May 20, 2013Observed: 4.72 ft at 6:00AM May 20, 2013Observed: 4.73 ft at 6:15AM May 20, 2013Observed: 4.73 ft at 6:30AM May 20, 2013Observed: 4.72 ft at 6:45AM May 20, 2013Observed: 4.73 ft at 7:00AM May 20, 2013Observed: 4.71 ft at 7:15AM May 20, 2013Observed: 4.73 ft at 7:30AM May 20, 2013Observed: 4.73 ft at 7:45AM May 20, 2013Observed: 4.73 ft at 8:00AM May 20, 2013Observed: 4.73 ft at 8:15AM May 20, 2013Observed: 4.73 ft at 8:30AM May 20, 2013Observed: 4.73 ft at 8:45AM May 20, 2013Observed: 4.73 ft at 9:00AM May 20, 2013Observed: 4.73 ft at 9:15AM May 20, 2013Observed: 4.73 ft at 9:30AM May 20, 2013Observed: 4.73 ft at 9:45AM May 20, 2013Highest Observation: 4.74 ft at 10:00AM May 20, 2013Highest Observation: 4.74 ft at 10:15AM May 20, 2013Highest Observation: 4.74 ft at 10:30AM May 20, 2013Observed: 4.73 ft at 10:45AM May 20, 2013Highest Observation: 4.74 ft at 11:00AM May 20, 2013Observed: 4.72 ft at 11:15AM May 20, 2013Observed: 4.72 ft at 11:30AM May 20, 2013Highest Observation: 4.74 ft at 11:45AM May 20, 2013Highest Observation: 4.74 ft at 12:00PM May 20, 2013Highest Observation: 4.74 ft at 12:15PM May 20, 2013Highest Observation: 4.74 ft at 12:30PM May 20, 2013Highest Observation: 4.74 ft at 12:45PM May 20, 2013Observed: 4.73 ft at 1:00PM May 20, 2013Highest Observation: 4.74 ft at 1:15PM May 20, 2013Highest Observation: 4.74 ft at 1:30PM May 20, 2013Highest Observation: 4.74 ft at 1:45PM May 20, 2013Highest Observation: 4.74 ft at 2:00PM May 20, 2013Highest Observation: 4.74 ft at 2:15PM May 20, 2013Observed: 4.72 ft at 2:30PM May 20, 2013Highest Observation: 4.74 ft at 2:45PM May 20, 2013Highest Observation: 4.74 ft at 3:00PM May 20, 2013Highest Observation: 4.74 ft at 3:15PM May 20, 2013Highest Observation: 4.74 ft at 3:30PM May 20, 2013Observed: 4.72 ft at 3:45PM May 20, 2013Highest Observation: 4.74 ft at 4:00PM May 20, 2013Highest Observation: 4.74 ft at 4:15PM May 20, 2013Observed: 4.73 ft at 4:30PM May 20, 2013Observed: 4.73 ft at 4:45PM May 20, 2013Observed: 4.73 ft at 5:00PM May 20, 2013Highest Observation: 4.74 ft at 5:15PM May 20, 2013Observed: 4.73 ft at 5:30PM May 20, 2013Observed: 4.71 ft at 5:45PM May 20, 2013Observed: 4.73 ft at 6:00PM May 20, 2013Observed: 4.73 ft at 6:15PM May 20, 2013Observed: 4.73 ft at 6:30PM May 20, 2013Observed: 4.73 ft at 6:45PM May 20, 2013Observed: 4.73 ft at 7:00PM May 20, 2013Observed: 4.73 ft at 7:15PM May 20, 2013Observed: 4.73 ft at 7:30PM May 20, 2013Observed: 4.73 ft at 7:45PM May 20, 2013Observed: 4.72 ft at 8:00PM May 20, 2013Observed: 4.72 ft at 8:15PM May 20, 2013Observed: 4.71 ft at 8:30PM May 20, 2013Observed: 4.72 ft at 8:45PM May 20, 2013Observed: 4.72 ft at 9:00PM May 20, 2013Observed: 4.72 ft at 9:15PM May 20, 2013Observed: 4.72 ft at 9:30PM May 20, 2013Observed: 4.73 ft at 9:45PM May 20, 2013Observed: 4.7 ft at 10:00PM May 20, 2013Observed: 4.71 ft at 10:15PM May 20, 2013Observed: 4.72 ft at 10:30PM May 20, 2013Observed: 4.71 ft at 10:45PM May 20, 2013Observed: 4.7 ft at 11:00PM May 20, 2013Observed: 4.72 ft at 11:15PM May 20, 2013Observed: 4.71 ft at 11:30PM May 20, 2013Observed: 4.73 ft at 11:45PM May 20, 2013Observed: 4.72 ft at 12:00AM May 21, 2013Observed: 4.73 ft at 12:15AM May 21, 2013Observed: 4.73 ft at 12:30AM May 21, 2013Observed: 4.72 ft at 12:45AM May 21, 2013Observed: 4.72 ft at 1:00AM May 21, 2013Observed: 4.73 ft at 1:15AM May 21, 2013Observed: 4.73 ft at 1:30AM May 21, 2013Observed: 4.73 ft at 1:45AM May 21, 2013Observed: 4.73 ft at 2:00AM May 21, 2013Observed: 4.71 ft at 2:15AM May 21, 2013Observed: 4.73 ft at 2:30AM May 21, 2013Observed: 4.73 ft at 2:45AM May 21, 2013Observed: 4.73 ft at 3:00AM May 21, 2013Observed: 4.73 ft at 3:15AM May 21, 2013Observed: 4.73 ft at 3:30AM May 21, 2013Observed: 4.73 ft at 3:45AM May 21, 2013Observed: 4.73 ft at 4:00AM May 21, 2013Observed: 4.73 ft at 4:15AM May 21, 2013Observed: 4.73 ft at 4:30AM May 21, 2013Observed: 4.73 ft at 4:45AM May 21, 2013Observed: 4.73 ft at 5:00AM May 21, 2013Observed: 4.73 ft at 5:15AM May 21, 2013Observed: 4.71 ft at 5:30AM May 21, 2013Observed: 4.73 ft at 5:45AM May 21, 2013Observed: 4.73 ft at 6:00AM May 21, 2013Observed: 4.73 ft at 6:15AM May 21, 2013Observed: 4.73 ft at 6:30AM May 21, 2013Observed: 4.73 ft at 6:45AM May 21, 2013Observed: 4.73 ft at 7:00AM May 21, 2013Observed: 4.73 ft at 7:15AM May 21, 2013Observed: 4.73 ft at 7:30AM May 21, 2013Observed: 4.73 ft at 7:45AM May 21, 2013Observed: 4.73 ft at 8:00AM May 21, 2013Observed: 4.73 ft at 8:15AM May 21, 2013Highest Observation: 4.74 ft at 8:30AM May 21, 2013Observed: 4.73 ft at 8:45AM May 21, 2013Observed: 4.71 ft at 9:00AM May 21, 2013Observed: 4.73 ft at 9:15AM May 21, 2013Observed: 4.73 ft at 9:30AM May 21, 2013Observed: 4.73 ft at 9:45AM May 21, 2013Observed: 4.73 ft at 10:00AM May 21, 2013Observed: 4.73 ft at 10:15AM May 21, 2013Observed: 4.73 ft at 10:30AM May 21, 2013Observed: 4.71 ft at 10:45AM May 21, 2013Observed: 4.73 ft at 11:00AM May 21, 2013Observed: 4.73 ft at 11:15AM May 21, 2013Observed: 4.73 ft at 11:30AM May 21, 2013Observed: 4.73 ft at 11:45AM May 21, 2013Observed: 4.73 ft at 12:00PM May 21, 2013Observed: 4.73 ft at 12:15PM May 21, 2013Observed: 4.73 ft at 12:30PM May 21, 2013Observed: 4.73 ft at 12:45PM May 21, 2013Observed: 4.73 ft at 1:00PM May 21, 2013Observed: 4.73 ft at 1:15PM May 21, 2013Observed: 4.73 ft at 1:30PM May 21, 2013Observed: 4.73 ft at 1:45PM May 21, 2013Observed: 4.73 ft at 2:00PM May 21, 2013Observed: 4.73 ft at 2:15PM May 21, 2013Observed: 4.72 ft at 2:30PM May 21, 2013Observed: 4.73 ft at 2:45PM May 21, 2013Observed: 4.72 ft at 3:00PM May 21, 2013Observed: 4.72 ft at 3:15PM May 21, 2013Observed: 4.72 ft at 3:30PM May 21, 2013Observed: 4.72 ft at 3:45PM May 21, 2013Observed: 4.72 ft at 4:00PM May 21, 2013Observed: 4.72 ft at 4:15PM May 21, 2013Observed: 4.72 ft at 4:30PM May 21, 2013Observed: 4.72 ft at 4:45PM May 21, 2013Observed: 4.71 ft at 5:00PM May 21, 2013Observed: 4.72 ft at 5:15PM May 21, 2013Observed: 4.71 ft at 5:30PM May 21, 2013Observed: 4.71 ft at 5:45PM May 21, 2013Observed: 4.71 ft at 6:00PM May 21, 2013Observed: 4.71 ft at 6:15PM May 21, 2013Observed: 4.71 ft at 6:30PM May 21, 2013Observed: 4.71 ft at 6:45PM May 21, 2013Observed: 4.7 ft at 7:00PM May 21, 2013Observed: 4.71 ft at 7:15PM May 21, 2013Observed: 4.71 ft at 7:30PM May 21, 2013Observed: 4.71 ft at 7:45PM May 21, 2013Observed: 4.7 ft at 8:00PM May 21, 2013Observed: 4.7 ft at 8:15PM May 21, 2013Observed: 4.7 ft at 8:30PM May 21, 2013Observed: 4.69 ft at 8:45PM May 21, 2013Observed: 4.7 ft at 9:00PM May 21, 2013Observed: 4.7 ft at 9:15PM May 21, 2013Observed: 4.69 ft at 9:30PM May 21, 2013Observed: 4.7 ft at 9:45PM May 21, 2013Observed: 4.7 ft at 10:00PM May 21, 2013Observed: 4.71 ft at 10:15PM May 21, 2013Observed: 4.71 ft at 10:30PM May 21, 2013Observed: 4.7 ft at 10:45PM May 21, 2013Observed: 4.71 ft at 11:00PM May 21, 2013Observed: 4.71 ft at 11:15PM May 21, 2013Observed: 4.71 ft at 11:30PM May 21, 2013Observed: 4.69 ft at 11:45PM May 21, 2013Observed: 4.71 ft at 12:00AM May 22, 2013Observed: 4.71 ft at 12:15AM May 22, 2013Observed: 4.71 ft at 12:30AM May 22, 2013Observed: 4.7 ft at 12:45AM May 22, 2013Observed: 4.71 ft at 1:00AM May 22, 2013Observed: 4.71 ft at 1:15AM May 22, 2013Observed: 4.71 ft at 1:30AM May 22, 2013Observed: 4.72 ft at 1:45AM May 22, 2013Observed: 4.71 ft at 2:00AM May 22, 2013USGS--Water Resources of the United StatesCOGC3(plotting HGIRG) Graph Created (2:30AM May 22, 2013)ObservedLatest observed value: 4.71 ft at 2:00 AM EDT 22-May-2013.
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About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

NOTE: Forecasts are not available for the Coginchaug River at Middlefield. Only observed stages are available for this point.

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Flood Categories (in feet)
Not Available

Historical Crests
Currently none available.

Low Water Records
Currently none available.
Legend
Gauge Location
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.
About This Location Collapse

Latitude: 41.520000° N, Longitude: 72.706389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 29 134.17 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
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Hydrologic Resources Additional Resources
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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.
NWS Information
National Weather Service
Upton Weather Forecast Office
175 Brookhaven Ave. Bldg. NWS-1
Upton, NY 11973
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Page last modified: 13-Mar-2013 6:34 PM 		Disclaimer
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