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Hydrograph River at a Glance Download
Sandy River (ME) at Mercer Stage (ft)Flow (kcfs)Highest Observation: 7.59 ft at 3:15AM Apr 18, 2018Highest Observation: 7.59 ft at 3:30AM Apr 18, 2018Observed: 7.58 ft at 3:45AM Apr 18, 2018Observed: 7.58 ft at 4:00AM Apr 18, 2018Observed: 7.57 ft at 4:15AM Apr 18, 2018Observed: 7.56 ft at 4:30AM Apr 18, 2018Observed: 7.56 ft at 4:45AM Apr 18, 2018Observed: 7.55 ft at 5:00AM Apr 18, 2018Observed: 7.54 ft at 5:15AM Apr 18, 2018Observed: 7.52 ft at 5:30AM Apr 18, 2018Observed: 7.51 ft at 5:45AM Apr 18, 2018Observed: 7.5 ft at 6:00AM Apr 18, 2018Observed: 7.49 ft at 6:15AM Apr 18, 2018Observed: 7.48 ft at 6:30AM Apr 18, 2018Observed: 7.46 ft at 6:45AM Apr 18, 2018Observed: 7.45 ft at 7:00AM Apr 18, 2018Observed: 7.43 ft at 7:15AM Apr 18, 2018Observed: 7.41 ft at 7:30AM Apr 18, 2018Observed: 7.39 ft at 7:45AM Apr 18, 2018Observed: 7.37 ft at 8:00AM Apr 18, 2018Observed: 7.35 ft at 8:15AM Apr 18, 2018Observed: 7.33 ft at 8:30AM Apr 18, 2018Observed: 7.31 ft at 8:45AM Apr 18, 2018Observed: 7.29 ft at 9:00AM Apr 18, 2018Observed: 7.27 ft at 9:15AM Apr 18, 2018Observed: 7.25 ft at 9:30AM Apr 18, 2018Observed: 7.23 ft at 9:45AM Apr 18, 2018Observed: 7.21 ft at 10:00AM Apr 18, 2018Observed: 7.19 ft at 10:15AM Apr 18, 2018Observed: 7.17 ft at 10:30AM Apr 18, 2018Observed: 7.15 ft at 10:45AM Apr 18, 2018Observed: 7.13 ft at 11:00AM Apr 18, 2018Observed: 7.11 ft at 11:15AM Apr 18, 2018Observed: 7.09 ft at 11:30AM Apr 18, 2018Observed: 7.06 ft at 11:45AM Apr 18, 2018Observed: 7.05 ft at 12:00PM Apr 18, 2018Observed: 7.02 ft at 12:15PM Apr 18, 2018Observed: 7 ft at 12:30PM Apr 18, 2018Observed: 6.99 ft at 12:45PM Apr 18, 2018Observed: 6.96 ft at 1:00PM Apr 18, 2018Observed: 6.94 ft at 1:15PM Apr 18, 2018Observed: 6.93 ft at 1:30PM Apr 18, 2018Observed: 6.91 ft at 1:45PM Apr 18, 2018Observed: 6.88 ft at 2:00PM Apr 18, 2018Observed: 6.87 ft at 2:15PM Apr 18, 2018Observed: 6.85 ft at 2:30PM Apr 18, 2018Observed: 6.83 ft at 2:45PM Apr 18, 2018Observed: 6.82 ft at 3:00PM Apr 18, 2018Observed: 6.8 ft at 3:15PM Apr 18, 2018Observed: 6.78 ft at 3:30PM Apr 18, 2018Observed: 6.76 ft at 3:45PM Apr 18, 2018Observed: 6.75 ft at 4:00PM Apr 18, 2018Observed: 6.73 ft at 4:15PM Apr 18, 2018Observed: 6.72 ft at 4:30PM Apr 18, 2018Observed: 6.7 ft at 4:45PM Apr 18, 2018Observed: 6.69 ft at 5:00PM Apr 18, 2018Observed: 6.67 ft at 5:15PM Apr 18, 2018Observed: 6.66 ft at 5:30PM Apr 18, 2018Observed: 6.65 ft at 5:45PM Apr 18, 2018Observed: 6.63 ft at 6:00PM Apr 18, 2018Observed: 6.62 ft at 6:15PM Apr 18, 2018Observed: 6.61 ft at 6:30PM Apr 18, 2018Observed: 6.59 ft at 6:45PM Apr 18, 2018Observed: 6.57 ft at 7:00PM Apr 18, 2018Observed: 6.57 ft at 7:15PM Apr 18, 2018Observed: 6.56 ft at 7:30PM Apr 18, 2018Observed: 6.54 ft at 7:45PM Apr 18, 2018Observed: 6.53 ft at 8:00PM Apr 18, 2018Observed: 6.52 ft at 8:15PM Apr 18, 2018Observed: 6.51 ft at 8:30PM Apr 18, 2018Observed: 6.5 ft at 8:45PM Apr 18, 2018Observed: 6.49 ft at 9:00PM Apr 18, 2018Observed: 6.48 ft at 9:15PM Apr 18, 2018Observed: 6.47 ft at 9:30PM Apr 18, 2018Observed: 6.46 ft at 9:45PM Apr 18, 2018Observed: 6.45 ft at 10:00PM Apr 18, 2018Observed: 6.44 ft at 10:15PM Apr 18, 2018Observed: 6.43 ft at 10:30PM Apr 18, 2018Observed: 6.42 ft at 10:45PM Apr 18, 2018Observed: 6.41 ft at 11:00PM Apr 18, 2018Observed: 6.41 ft at 11:15PM Apr 18, 2018Observed: 6.4 ft at 11:30PM Apr 18, 2018Observed: 6.39 ft at 11:45PM Apr 18, 2018Observed: 6.38 ft at 12:00AM Apr 19, 2018Observed: 6.37 ft at 12:15AM Apr 19, 2018Observed: 6.37 ft at 12:30AM Apr 19, 2018Observed: 6.36 ft at 12:45AM Apr 19, 2018Observed: 6.35 ft at 1:00AM Apr 19, 2018Observed: 6.34 ft at 1:15AM Apr 19, 2018Observed: 6.34 ft at 1:30AM Apr 19, 2018Observed: 6.33 ft at 1:45AM Apr 19, 2018Observed: 6.33 ft at 2:00AM Apr 19, 2018Observed: 6.32 ft at 2:15AM Apr 19, 2018Observed: 6.31 ft at 2:30AM Apr 19, 2018Observed: 6.31 ft at 2:45AM Apr 19, 2018Observed: 6.3 ft at 3:00AM Apr 19, 2018Observed: 6.3 ft at 3:15AM Apr 19, 2018Observed: 6.29 ft at 3:30AM Apr 19, 2018Observed: 6.29 ft at 3:45AM Apr 19, 2018Observed: 6.28 ft at 4:00AM Apr 19, 2018Observed: 6.28 ft at 4:15AM Apr 19, 2018Observed: 6.27 ft at 4:30AM Apr 19, 2018Observed: 6.27 ft at 4:45AM Apr 19, 2018Observed: 6.26 ft at 5:00AM Apr 19, 2018Observed: 6.26 ft at 5:15AM Apr 19, 2018Observed: 6.25 ft at 5:30AM Apr 19, 2018Observed: 6.25 ft at 5:45AM Apr 19, 2018Observed: 6.24 ft at 6:00AM Apr 19, 2018Observed: 6.24 ft at 6:15AM Apr 19, 2018Observed: 6.23 ft at 6:30AM Apr 19, 2018Observed: 6.23 ft at 6:45AM Apr 19, 2018Observed: 6.23 ft at 7:00AM Apr 19, 2018Observed: 6.22 ft at 7:15AM Apr 19, 2018Observed: 6.22 ft at 7:30AM Apr 19, 2018Observed: 6.21 ft at 7:45AM Apr 19, 2018Observed: 6.21 ft at 8:00AM Apr 19, 2018Observed: 6.2 ft at 8:15AM Apr 19, 2018Observed: 6.2 ft at 8:30AM Apr 19, 2018Observed: 6.19 ft at 8:45AM Apr 19, 2018Observed: 6.18 ft at 9:00AM Apr 19, 2018Observed: 6.18 ft at 9:15AM Apr 19, 2018Observed: 6.17 ft at 9:30AM Apr 19, 2018Observed: 6.17 ft at 9:45AM Apr 19, 2018Observed: 6.17 ft at 10:00AM Apr 19, 2018Observed: 6.16 ft at 10:15AM Apr 19, 2018Observed: 6.15 ft at 10:30AM Apr 19, 2018Observed: 6.15 ft at 10:45AM Apr 19, 2018Observed: 6.15 ft at 11:00AM Apr 19, 2018Observed: 6.14 ft at 11:15AM Apr 19, 2018Observed: 6.14 ft at 11:30AM Apr 19, 2018Observed: 6.13 ft at 11:45AM Apr 19, 2018Observed: 6.12 ft at 12:00PM Apr 19, 2018Observed: 6.12 ft at 12:15PM Apr 19, 2018Observed: 6.11 ft at 12:30PM Apr 19, 2018Observed: 6.11 ft at 12:45PM Apr 19, 2018Observed: 6.1 ft at 1:00PM Apr 19, 2018Observed: 6.1 ft at 1:15PM Apr 19, 2018Observed: 6.09 ft at 1:30PM Apr 19, 2018Observed: 6.09 ft at 1:45PM Apr 19, 2018Observed: 6.08 ft at 2:00PM Apr 19, 2018Observed: 6.08 ft at 2:15PM Apr 19, 2018Observed: 6.07 ft at 2:30PM Apr 19, 2018Observed: 6.06 ft at 2:45PM Apr 19, 2018Observed: 6.06 ft at 3:00PM Apr 19, 2018Observed: 6.05 ft at 3:15PM Apr 19, 2018Observed: 6.05 ft at 3:30PM Apr 19, 2018Observed: 6.04 ft at 3:45PM Apr 19, 2018Observed: 6.04 ft at 4:00PM Apr 19, 2018Observed: 6.03 ft at 4:15PM Apr 19, 2018Observed: 6.03 ft at 4:30PM Apr 19, 2018Observed: 6.02 ft at 4:45PM Apr 19, 2018Observed: 6.02 ft at 5:00PM Apr 19, 2018Observed: 6.01 ft at 5:15PM Apr 19, 2018Observed: 6.01 ft at 5:30PM Apr 19, 2018Observed: 6.01 ft at 5:45PM Apr 19, 2018Observed: 6 ft at 6:00PM Apr 19, 2018Observed: 6 ft at 6:15PM Apr 19, 2018Observed: 5.99 ft at 6:30PM Apr 19, 2018Observed: 5.99 ft at 6:45PM Apr 19, 2018Observed: 5.98 ft at 7:00PM Apr 19, 2018Observed: 5.98 ft at 7:15PM Apr 19, 2018Observed: 5.97 ft at 7:30PM Apr 19, 2018Observed: 5.97 ft at 7:45PM Apr 19, 2018Observed: 5.96 ft at 8:00PM Apr 19, 2018Observed: 5.96 ft at 8:15PM Apr 19, 2018Observed: 5.95 ft at 8:30PM Apr 19, 2018Observed: 5.95 ft at 8:45PM Apr 19, 2018Observed: 5.95 ft at 9:00PM Apr 19, 2018Observed: 5.94 ft at 9:15PM Apr 19, 2018Observed: 5.94 ft at 9:30PM Apr 19, 2018Observed: 5.94 ft at 9:45PM Apr 19, 2018Observed: 5.94 ft at 10:00PM Apr 19, 2018Observed: 5.93 ft at 10:15PM Apr 19, 2018Observed: 5.93 ft at 10:30PM Apr 19, 2018Observed: 5.93 ft at 10:45PM Apr 19, 2018Observed: 5.93 ft at 11:00PM Apr 19, 2018Observed: 5.92 ft at 11:15PM Apr 19, 2018Observed: 5.92 ft at 11:30PM Apr 19, 2018Observed: 5.92 ft at 11:45PM Apr 19, 2018Observed: 5.92 ft at 12:00AM Apr 20, 2018Observed: 5.91 ft at 12:15AM Apr 20, 2018Observed: 5.91 ft at 12:30AM Apr 20, 2018Observed: 5.91 ft at 12:45AM Apr 20, 2018Observed: 5.91 ft at 1:00AM Apr 20, 2018Observed: 5.91 ft at 1:15AM Apr 20, 2018Observed: 5.91 ft at 1:30AM Apr 20, 2018Observed: 5.91 ft at 1:45AM Apr 20, 2018Observed: 5.91 ft at 2:00AM Apr 20, 2018Observed: 5.9 ft at 2:15AM Apr 20, 2018Observed: 5.9 ft at 2:30AM Apr 20, 2018Observed: 5.9 ft at 2:45AM Apr 20, 2018Observed: 5.9 ft at 3:00AM Apr 20, 2018Observed: 5.9 ft at 3:15AM Apr 20, 2018Observed: 5.9 ft at 3:30AM Apr 20, 2018Observed: 5.9 ft at 3:45AM Apr 20, 2018Observed: 5.9 ft at 4:00AM Apr 20, 2018Observed: 5.9 ft at 4:15AM Apr 20, 2018Observed: 5.9 ft at 4:30AM Apr 20, 2018Observed: 5.89 ft at 4:45AM Apr 20, 2018Observed: 5.9 ft at 5:00AM Apr 20, 2018Observed: 5.89 ft at 5:15AM Apr 20, 2018Observed: 5.89 ft at 5:30AM Apr 20, 2018Observed: 5.89 ft at 5:45AM Apr 20, 2018Observed: 5.89 ft at 6:00AM Apr 20, 2018Observed: 5.89 ft at 6:15AM Apr 20, 2018Observed: 5.89 ft at 6:30AM Apr 20, 2018Observed: 5.89 ft at 6:45AM Apr 20, 2018Observed: 5.88 ft at 7:00AM Apr 20, 2018Observed: 5.88 ft at 7:15AM Apr 20, 2018Observed: 5.88 ft at 7:30AM Apr 20, 2018Observed: 5.88 ft at 7:45AM Apr 20, 2018Observed: 5.88 ft at 8:00AM Apr 20, 2018Observed: 5.88 ft at 8:15AM Apr 20, 2018Observed: 5.87 ft at 8:30AM Apr 20, 2018Observed: 5.87 ft at 8:45AM Apr 20, 2018Observed: 5.87 ft at 9:00AM Apr 20, 2018Observed: 5.87 ft at 9:15AM Apr 20, 2018Observed: 5.86 ft at 9:30AM Apr 20, 2018Observed: 5.86 ft at 9:45AM Apr 20, 2018Observed: 5.86 ft at 10:00AM Apr 20, 2018Observed: 5.85 ft at 10:15AM Apr 20, 2018Observed: 5.85 ft at 10:30AM Apr 20, 2018Observed: 5.85 ft at 10:45AM Apr 20, 2018Observed: 5.84 ft at 11:00AM Apr 20, 2018Observed: 5.85 ft at 11:15AM Apr 20, 2018Observed: 5.84 ft at 11:30AM Apr 20, 2018Observed: 5.84 ft at 11:45AM Apr 20, 2018Observed: 5.84 ft at 12:00PM Apr 20, 2018Observed: 5.83 ft at 12:15PM Apr 20, 2018Observed: 5.83 ft at 12:30PM Apr 20, 2018Observed: 5.83 ft at 12:45PM Apr 20, 2018Observed: 5.83 ft at 1:00PM Apr 20, 2018Observed: 5.82 ft at 1:15PM Apr 20, 2018Observed: 5.82 ft at 1:30PM Apr 20, 2018Observed: 5.82 ft at 1:45PM Apr 20, 2018Observed: 5.81 ft at 2:00PM Apr 20, 2018Observed: 5.81 ft at 2:15PM Apr 20, 2018Observed: 5.81 ft at 2:30PM Apr 20, 2018Observed: 5.8 ft at 2:45PM Apr 20, 2018Observed: 5.8 ft at 3:00PM Apr 20, 2018Observed: 5.8 ft at 3:15PM Apr 20, 2018Observed: 5.8 ft at 3:30PM Apr 20, 2018Observed: 5.79 ft at 3:45PM Apr 20, 2018Observed: 5.79 ft at 4:00PM Apr 20, 2018Observed: 5.79 ft at 4:15PM Apr 20, 2018Observed: 5.79 ft at 4:30PM Apr 20, 2018Observed: 5.79 ft at 4:45PM Apr 20, 2018Observed: 5.78 ft at 5:00PM Apr 20, 2018Observed: 5.78 ft at 5:15PM Apr 20, 2018Observed: 5.78 ft at 5:30PM Apr 20, 2018Observed: 5.77 ft at 5:45PM Apr 20, 2018Observed: 5.77 ft at 6:00PM Apr 20, 2018Observed: 5.77 ft at 6:15PM Apr 20, 2018Observed: 5.76 ft at 6:30PM Apr 20, 2018Observed: 5.76 ft at 6:45PM Apr 20, 2018Observed: 5.75 ft at 7:00PM Apr 20, 2018Observed: 5.76 ft at 7:15PM Apr 20, 2018Observed: 5.76 ft at 7:30PM Apr 20, 2018Observed: 5.75 ft at 7:45PM Apr 20, 2018Observed: 5.75 ft at 8:00PM Apr 20, 2018Observed: 5.75 ft at 8:15PM Apr 20, 2018Observed: 5.75 ft at 8:30PM Apr 20, 2018Observed: 5.75 ft at 8:45PM Apr 20, 2018Observed: 5.74 ft at 9:00PM Apr 20, 2018Observed: 5.74 ft at 9:15PM Apr 20, 2018Observed: 5.74 ft at 9:30PM Apr 20, 2018Observed: 5.74 ft at 9:45PM Apr 20, 2018Observed: 5.74 ft at 10:00PM Apr 20, 2018Observed: 5.73 ft at 10:15PM Apr 20, 2018Observed: 5.74 ft at 10:30PM Apr 20, 2018Observed: 5.73 ft at 10:45PM Apr 20, 2018Observed: 5.73 ft at 11:00PM Apr 20, 2018Observed: 5.73 ft at 11:15PM Apr 20, 2018Observed: 5.74 ft at 11:30PM Apr 20, 2018Observed: 5.74 ft at 11:45PM Apr 20, 2018Observed: 5.74 ft at 12:00AM Apr 21, 2018Observed: 5.74 ft at 12:15AM Apr 21, 2018Observed: 5.74 ft at 12:30AM Apr 21, 2018Observed: 5.74 ft at 12:45AM Apr 21, 2018Observed: 5.75 ft at 1:00AM Apr 21, 2018Observed: 5.75 ft at 1:15AM Apr 21, 2018Observed: 5.75 ft at 1:30AM Apr 21, 2018Observed: 5.76 ft at 1:45AM Apr 21, 2018Observed: 5.76 ft at 2:00AM Apr 21, 2018Highest Forecast: 5.8 ft 8:00AM Apr 21, 2018Forecast: 5.7 ft 2:00PM Apr 21, 2018Forecast: 5.6 ft 8:00PM Apr 21, 2018Forecast: 5.6 ft 2:00AM Apr 22, 2018Forecast: 5.6 ft 8:00AM Apr 22, 2018Forecast: 5.5 ft 2:00PM Apr 22, 2018Forecast: 5.4 ft 8:00PM Apr 22, 2018Forecast: 5.5 ft 2:00AM Apr 23, 2018Forecast: 5.4 ft 8:00AM Apr 23, 2018USGS--Water Resources of the United StatesMERM1(plotting HGIRG) Graph Created (3:05AM Apr 21, 2018)ObservedForecast (issued 10:55AM Apr 20)Latest observed value: 5.76 ft at 2:00 AM EDT 21-Apr-2018. Flood Stage is 12 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

NOTE: Forecasts for the Sandy River (ME) at Mercer are issued routinely year-round.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 15
Flood Stage: 12
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 19.25 ft on 04/01/1987
(2) 18.89 ft on 02/12/1970
(3) 17.27 ft on 03/15/1977
(4) 16.75 ft on 03/19/1936
(5) 16.34 ft on 03/28/1953
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.30 ft on 12/02/1996
(2) 12.98 ft on 01/28/1996
(3) 12.64 ft on 04/18/1993
(4) 13.33 ft on 05/13/1989
(5) 19.25 ft on 04/01/1987
Show More Recent Crests

(P): Preliminary values subject to further review.

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

Latitude: 44.708056° N, Longitude: 69.937500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 197.1 ft 209.1 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
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
Gray Weather Forecast Office
P.O. Box 1208, 1 Weather Lane, Route 231
Gray, ME 04039
(207) 688-3216
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