Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

This probabilistic forecast is issued by the Northeast River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Contoocook River at Peterborough are issued routinely year-round.
Return to Area Map

Downstream Gauge Downstream Gauge - at Henniker
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 9
Moderate Flood Stage: 7
Flood Stage: 5.5
Action Stage: 4
Low Stage (in feet): -9999

Historic Crests
(1) 15.00 ft on 09/21/1938
(2) 7.21 ft on 04/16/2007
(3) 6.92 ft on 03/07/2011
(4) 6.82 ft on 01/29/1976
(5) 6.62 ft on 04/06/1987
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.54 ft on 03/31/2012
(2) 4.68 ft on 12/08/2011
(3) 6.92 ft on 03/07/2011
(4) 5.76 ft on 03/31/2010
(5) 6.03 ft on 03/15/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
17.5 This is the maximum reportable stage of the river gage.
9.5 This is a major...life threatening flood in the Peterborough area. floodwaters affect low lying businesses off of grove street and wilton road including peterborough plaza...and parking lots and low lying residences off of pheasant road including the riverview apartments. significant flooding occurs along roads and low lying properties adjacent to the river including the following...route 136...concord street...jaffrey road...summer street...sharon road...bogle road...and hunt road.
7.5 Major flooding occurs in the Peterborough area. Route 136 floods near Bogle Road. Floodwaters affect low lying businesses off of Grove Street and Wilton Road including Peterborough Plaza...and parking lots and low lying residences off of Pheasant Road including the Riverview Apartments. Significant flooding occurs along roads and low lying properties adjacent to the river including the following...Concord Street...Jaffrey Road...Summer Street...Sharon Road...Bogle Road...and Hunt Road.
6.5 Significant flooding occurs in Peterborough. Floodwaters inundate portions of the Peterborough Plaza parking area. Floodwaters affect low lying businesses off of Grove street and Wilton road. Flooding occurs at low lying properties along and/or stretches of the following roads...Concord Street...Summer Street...Sharon Road...Bogle Road...and Hunt Road. Inundation may occur along the parking lots off of Pheasant Road including the Riverview Apartments.
5.5 Floodwaters approach low lying roads and properties in the Peterborough area...especially along Concord Street.
Photos
(1) Looking downstream of the gage
(2) Gage House
(3) Looking upstream from the gage

Other Real-time and/or Archive Data Sources:
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
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.
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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities