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Hydrograph River at a Glance Download
Williams River near Rockingham Stage (ft)Flow (cfs)Observed: 3.03 ft at 12:45AM Jan 24, 2021Observed: 3.04 ft at 1:00AM Jan 24, 2021Observed: 3.04 ft at 1:15AM Jan 24, 2021Observed: 3.04 ft at 1:16AM Jan 24, 2021Observed: 3.04 ft at 1:30AM Jan 24, 2021Observed: 3.04 ft at 1:45AM Jan 24, 2021Observed: 3.05 ft at 2:00AM Jan 24, 2021Observed: 3.05 ft at 2:15AM Jan 24, 2021Observed: 3.05 ft at 2:30AM Jan 24, 2021Observed: 3.05 ft at 2:45AM Jan 24, 2021Observed: 3.05 ft at 3:00AM Jan 24, 2021Observed: 3.05 ft at 3:15AM Jan 24, 2021Observed: 3.05 ft at 3:30AM Jan 24, 2021Observed: 3.06 ft at 3:45AM Jan 24, 2021Observed: 3.06 ft at 4:00AM Jan 24, 2021Observed: 3.06 ft at 4:15AM Jan 24, 2021Observed: 3.06 ft at 4:30AM Jan 24, 2021Observed: 3.06 ft at 4:45AM Jan 24, 2021Observed: 3.07 ft at 5:00AM Jan 24, 2021Observed: 3.07 ft at 5:15AM Jan 24, 2021Observed: 3.07 ft at 5:30AM Jan 24, 2021Observed: 3.07 ft at 5:45AM Jan 24, 2021Observed: 3.07 ft at 6:00AM Jan 24, 2021Observed: 3.08 ft at 6:15AM Jan 24, 2021Observed: 3.08 ft at 6:30AM Jan 24, 2021Observed: 3.07 ft at 6:45AM Jan 24, 2021Observed: 3.05 ft at 7:00AM Jan 24, 2021Observed: 3.02 ft at 7:15AM Jan 24, 2021Observed: 2.99 ft at 7:30AM Jan 24, 2021Observed: 2.98 ft at 7:45AM Jan 24, 2021Observed: 2.96 ft at 8:00AM Jan 24, 2021Observed: 2.96 ft at 8:15AM Jan 24, 2021Observed: 2.96 ft at 8:30AM Jan 24, 2021Observed: 2.97 ft at 8:45AM Jan 24, 2021Observed: 2.98 ft at 9:00AM Jan 24, 2021Observed: 3 ft at 9:15AM Jan 24, 2021Observed: 3.02 ft at 9:30AM Jan 24, 2021Observed: 3.04 ft at 9:45AM Jan 24, 2021Observed: 3.07 ft at 10:00AM Jan 24, 2021Observed: 3.09 ft at 10:15AM Jan 24, 2021Observed: 3.12 ft at 10:30AM Jan 24, 2021Observed: 3.14 ft at 10:45AM Jan 24, 2021Observed: 3.16 ft at 11:00AM Jan 24, 2021Observed: 3.18 ft at 11:15AM Jan 24, 2021Observed: 3.19 ft at 11:30AM Jan 24, 2021Observed: 3.19 ft at 11:45AM Jan 24, 2021Observed: 3.22 ft at 12:00PM Jan 24, 2021Observed: 3.26 ft at 12:15PM Jan 24, 2021Observed: 3.29 ft at 12:30PM Jan 24, 2021Observed: 3.3 ft at 12:45PM Jan 24, 2021Observed: 3.3 ft at 1:00PM Jan 24, 2021Observed: 3.29 ft at 1:15PM Jan 24, 2021Observed: 3.28 ft at 1:30PM Jan 24, 2021Observed: 3.28 ft at 1:45PM Jan 24, 2021Observed: 3.27 ft at 2:00PM Jan 24, 2021Observed: 3.28 ft at 2:15PM Jan 24, 2021Observed: 3.28 ft at 2:30PM Jan 24, 2021Observed: 3.3 ft at 2:45PM Jan 24, 2021Observed: 3.37 ft at 3:00PM Jan 24, 2021Observed: 3.54 ft at 3:15PM Jan 24, 2021Observed: 3.59 ft at 3:30PM Jan 24, 2021Observed: 3.58 ft at 3:45PM Jan 24, 2021Observed: 3.57 ft at 4:00PM Jan 24, 2021Observed: 3.56 ft at 4:15PM Jan 24, 2021Observed: 3.55 ft at 4:30PM Jan 24, 2021Observed: 3.55 ft at 4:45PM Jan 24, 2021Observed: 3.54 ft at 5:00PM Jan 24, 2021Observed: 3.54 ft at 5:15PM Jan 24, 2021Observed: 3.54 ft at 5:16PM Jan 24, 2021Observed: 3.53 ft at 5:30PM Jan 24, 2021Observed: 3.52 ft at 5:45PM Jan 24, 2021Observed: 3.51 ft at 6:00PM Jan 24, 2021Observed: 3.5 ft at 6:15PM Jan 24, 2021Observed: 3.49 ft at 6:30PM Jan 24, 2021Observed: 3.48 ft at 6:45PM Jan 24, 2021Observed: 3.47 ft at 7:00PM Jan 24, 2021Observed: 3.46 ft at 7:15PM Jan 24, 2021Observed: 3.46 ft at 7:30PM Jan 24, 2021Observed: 3.46 ft at 7:45PM Jan 24, 2021Observed: 3.46 ft at 8:00PM Jan 24, 2021Observed: 3.46 ft at 8:15PM Jan 24, 2021Observed: 3.46 ft at 8:30PM Jan 24, 2021Observed: 3.46 ft at 8:45PM Jan 24, 2021Observed: 3.46 ft at 9:00PM Jan 24, 2021Observed: 3.46 ft at 9:15PM Jan 24, 2021Observed: 3.45 ft at 9:30PM Jan 24, 2021Observed: 3.45 ft at 9:45PM Jan 24, 2021Observed: 3.44 ft at 10:00PM Jan 24, 2021Observed: 3.43 ft at 10:15PM Jan 24, 2021Observed: 3.42 ft at 10:30PM Jan 24, 2021Observed: 3.42 ft at 10:45PM Jan 24, 2021Observed: 3.41 ft at 11:00PM Jan 24, 2021Observed: 3.4 ft at 11:15PM Jan 24, 2021Observed: 3.39 ft at 11:30PM Jan 24, 2021Observed: 3.39 ft at 11:45PM Jan 24, 2021Observed: 3.4 ft at 12:00AM Jan 25, 2021Observed: 3.4 ft at 12:15AM Jan 25, 2021Observed: 3.41 ft at 12:30AM Jan 25, 2021Observed: 3.41 ft at 12:45AM Jan 25, 2021Observed: 3.41 ft at 1:00AM Jan 25, 2021Observed: 3.42 ft at 1:15AM Jan 25, 2021Observed: 3.42 ft at 1:16AM Jan 25, 2021Observed: 3.42 ft at 1:30AM Jan 25, 2021Observed: 3.42 ft at 1:45AM Jan 25, 2021Observed: 3.41 ft at 2:00AM Jan 25, 2021Observed: 3.41 ft at 2:15AM Jan 25, 2021Observed: 3.41 ft at 2:30AM Jan 25, 2021Observed: 3.41 ft at 2:45AM Jan 25, 2021Observed: 3.4 ft at 3:00AM Jan 25, 2021Observed: 3.41 ft at 3:15AM Jan 25, 2021Observed: 3.4 ft at 3:30AM Jan 25, 2021Observed: 3.41 ft at 3:45AM Jan 25, 2021Observed: 3.41 ft at 4:00AM Jan 25, 2021Observed: 3.4 ft at 4:15AM Jan 25, 2021Observed: 3.4 ft at 4:30AM Jan 25, 2021Observed: 3.39 ft at 4:45AM Jan 25, 2021Observed: 3.39 ft at 5:00AM Jan 25, 2021Observed: 3.39 ft at 5:15AM Jan 25, 2021Observed: 3.38 ft at 5:30AM Jan 25, 2021Observed: 3.38 ft at 5:45AM Jan 25, 2021Observed: 3.38 ft at 6:00AM Jan 25, 2021Observed: 3.38 ft at 6:15AM Jan 25, 2021Observed: 3.38 ft at 6:30AM Jan 25, 2021Observed: 3.38 ft at 6:45AM Jan 25, 2021Observed: 3.38 ft at 7:00AM Jan 25, 2021Observed: 3.38 ft at 7:15AM Jan 25, 2021Observed: 3.38 ft at 7:30AM Jan 25, 2021Observed: 3.38 ft at 7:45AM Jan 25, 2021Observed: 3.38 ft at 8:00AM Jan 25, 2021Observed: 3.38 ft at 8:15AM Jan 25, 2021Observed: 3.38 ft at 8:30AM Jan 25, 2021Observed: 3.38 ft at 8:45AM Jan 25, 2021Observed: 3.38 ft at 9:00AM Jan 25, 2021Observed: 3.38 ft at 9:15AM Jan 25, 2021Observed: 3.38 ft at 9:16AM Jan 25, 2021Observed: 3.38 ft at 9:30AM Jan 25, 2021Observed: 3.38 ft at 9:45AM Jan 25, 2021Observed: 3.39 ft at 10:00AM Jan 25, 2021Observed: 3.4 ft at 10:15AM Jan 25, 2021Observed: 3.41 ft at 10:30AM Jan 25, 2021Observed: 3.42 ft at 10:45AM Jan 25, 2021Observed: 3.43 ft at 11:00AM Jan 25, 2021Observed: 3.44 ft at 11:15AM Jan 25, 2021Observed: 3.45 ft at 11:30AM Jan 25, 2021Observed: 3.45 ft at 11:45AM Jan 25, 2021Observed: 3.45 ft at 12:00PM Jan 25, 2021Observed: 3.45 ft at 12:15PM Jan 25, 2021Observed: 3.46 ft at 12:30PM Jan 25, 2021Observed: 3.46 ft at 12:45PM Jan 25, 2021Observed: 3.49 ft at 1:00PM Jan 25, 2021Observed: 3.5 ft at 1:15PM Jan 25, 2021Observed: 3.52 ft at 1:30PM Jan 25, 2021Observed: 3.55 ft at 1:45PM Jan 25, 2021Observed: 3.6 ft at 2:00PM Jan 25, 2021Observed: 3.65 ft at 2:15PM Jan 25, 2021Observed: 3.69 ft at 2:30PM Jan 25, 2021Highest Observation: 3.71 ft at 2:45PM Jan 25, 2021Highest Observation: 3.71 ft at 3:00PM Jan 25, 2021Observed: 3.7 ft at 3:15PM Jan 25, 2021Observed: 3.69 ft at 3:30PM Jan 25, 2021Observed: 3.68 ft at 3:45PM Jan 25, 2021Observed: 3.68 ft at 4:00PM Jan 25, 2021Observed: 3.67 ft at 4:15PM Jan 25, 2021Observed: 3.66 ft at 4:30PM Jan 25, 2021Observed: 3.65 ft at 4:45PM Jan 25, 2021Observed: 3.64 ft at 5:00PM Jan 25, 2021Observed: 3.63 ft at 5:15PM Jan 25, 2021Observed: 3.63 ft at 5:16PM Jan 25, 2021Observed: 3.62 ft at 5:30PM Jan 25, 2021Observed: 3.61 ft at 5:45PM Jan 25, 2021Observed: 3.61 ft at 6:00PM Jan 25, 2021Observed: 3.6 ft at 6:15PM Jan 25, 2021Observed: 3.6 ft at 6:30PM Jan 25, 2021Observed: 3.6 ft at 6:45PM Jan 25, 2021Observed: 3.59 ft at 7:00PM Jan 25, 2021Observed: 3.58 ft at 7:15PM Jan 25, 2021Observed: 3.58 ft at 7:30PM Jan 25, 2021Observed: 3.57 ft at 7:45PM Jan 25, 2021Observed: 3.56 ft at 8:00PM Jan 25, 2021Observed: 3.56 ft at 8:15PM Jan 25, 2021Observed: 3.56 ft at 8:30PM Jan 25, 2021Observed: 3.56 ft at 8:45PM Jan 25, 2021Observed: 3.55 ft at 9:00PM Jan 25, 2021Observed: 3.55 ft at 9:15PM Jan 25, 2021Observed: 3.55 ft at 9:30PM Jan 25, 2021Observed: 3.55 ft at 9:45PM Jan 25, 2021Observed: 3.55 ft at 10:00PM Jan 25, 2021Observed: 3.54 ft at 10:15PM Jan 25, 2021Observed: 3.54 ft at 10:30PM Jan 25, 2021Observed: 3.54 ft at 10:45PM Jan 25, 2021Observed: 3.52 ft at 11:00PM Jan 25, 2021Observed: 3.51 ft at 11:15PM Jan 25, 2021Observed: 3.51 ft at 11:30PM Jan 25, 2021Observed: 3.51 ft at 11:45PM Jan 25, 2021Observed: 3.51 ft at 12:00AM Jan 26, 2021Observed: 3.51 ft at 12:15AM Jan 26, 2021Observed: 3.51 ft at 12:30AM Jan 26, 2021Observed: 3.51 ft at 12:45AM Jan 26, 2021Observed: 3.51 ft at 1:00AM Jan 26, 2021Observed: 3.51 ft at 1:15AM Jan 26, 2021Observed: 3.51 ft at 1:16AM Jan 26, 2021Observed: 3.51 ft at 1:30AM Jan 26, 2021Observed: 3.51 ft at 1:45AM Jan 26, 2021Observed: 3.51 ft at 2:00AM Jan 26, 2021Observed: 3.51 ft at 2:15AM Jan 26, 2021Observed: 3.51 ft at 2:30AM Jan 26, 2021Observed: 3.5 ft at 2:45AM Jan 26, 2021Observed: 3.5 ft at 3:00AM Jan 26, 2021Observed: 3.5 ft at 3:15AM Jan 26, 2021Observed: 3.49 ft at 3:30AM Jan 26, 2021Observed: 3.49 ft at 3:45AM Jan 26, 2021Observed: 3.49 ft at 4:00AM Jan 26, 2021Observed: 3.49 ft at 4:15AM Jan 26, 2021Observed: 3.49 ft at 4:30AM Jan 26, 2021Observed: 3.48 ft at 4:45AM Jan 26, 2021Observed: 3.47 ft at 5:00AM Jan 26, 2021Observed: 3.46 ft at 5:15AM Jan 26, 2021Observed: 3.45 ft at 5:30AM Jan 26, 2021Observed: 3.44 ft at 5:45AM Jan 26, 2021Observed: 3.44 ft at 6:00AM Jan 26, 2021Observed: 3.44 ft at 6:15AM Jan 26, 2021Observed: 3.44 ft at 6:30AM Jan 26, 2021Observed: 3.44 ft at 6:45AM Jan 26, 2021Observed: 3.44 ft at 7:00AM Jan 26, 2021Observed: 3.44 ft at 7:15AM Jan 26, 2021Observed: 3.44 ft at 7:30AM Jan 26, 2021Observed: 3.44 ft at 7:45AM Jan 26, 2021Observed: 3.44 ft at 8:00AM Jan 26, 2021Observed: 3.44 ft at 8:15AM Jan 26, 2021Observed: 3.44 ft at 8:30AM Jan 26, 2021Observed: 3.44 ft at 8:45AM Jan 26, 2021Observed: 3.43 ft at 9:00AM Jan 26, 2021Observed: 3.42 ft at 9:15AM Jan 26, 2021Observed: 3.42 ft at 9:30AM Jan 26, 2021Observed: 3.42 ft at 9:45AM Jan 26, 2021Observed: 3.43 ft at 10:00AM Jan 26, 2021Observed: 3.44 ft at 10:15AM Jan 26, 2021Observed: 3.45 ft at 10:30AM Jan 26, 2021Observed: 3.46 ft at 10:45AM Jan 26, 2021Observed: 3.46 ft at 11:00AM Jan 26, 2021Observed: 3.45 ft at 11:15AM Jan 26, 2021Observed: 3.46 ft at 11:30AM Jan 26, 2021Observed: 3.45 ft at 11:45AM Jan 26, 2021Observed: 3.47 ft at 12:00PM Jan 26, 2021Observed: 3.53 ft at 12:15PM Jan 26, 2021Observed: 3.51 ft at 12:30PM Jan 26, 2021Observed: 3.5 ft at 12:45PM Jan 26, 2021Observed: 3.51 ft at 1:00PM Jan 26, 2021Observed: 3.51 ft at 1:15PM Jan 26, 2021Observed: 3.52 ft at 1:30PM Jan 26, 2021Observed: 3.52 ft at 1:45PM Jan 26, 2021Observed: 3.54 ft at 2:00PM Jan 26, 2021Observed: 3.53 ft at 2:15PM Jan 26, 2021Observed: 3.52 ft at 2:30PM Jan 26, 2021Observed: 3.51 ft at 2:45PM Jan 26, 2021Observed: 3.51 ft at 3:00PM Jan 26, 2021Observed: 3.51 ft at 3:15PM Jan 26, 2021Observed: 3.5 ft at 3:30PM Jan 26, 2021Observed: 3.49 ft at 3:45PM Jan 26, 2021Observed: 3.49 ft at 4:00PM Jan 26, 2021Observed: 3.48 ft at 4:15PM Jan 26, 2021Observed: 3.48 ft at 4:30PM Jan 26, 2021Observed: 3.48 ft at 4:45PM Jan 26, 2021Observed: 3.48 ft at 5:00PM Jan 26, 2021Observed: 3.47 ft at 5:15PM Jan 26, 2021Observed: 3.46 ft at 5:30PM Jan 26, 2021Observed: 3.46 ft at 5:31PM Jan 26, 2021Observed: 3.46 ft at 5:45PM Jan 26, 2021Observed: 3.46 ft at 6:00PM Jan 26, 2021Observed: 3.46 ft at 6:15PM Jan 26, 2021Observed: 3.46 ft at 6:30PM Jan 26, 2021Observed: 3.46 ft at 6:45PM Jan 26, 2021Observed: 3.46 ft at 7:00PM Jan 26, 2021Observed: 3.46 ft at 7:15PM Jan 26, 2021Observed: 3.46 ft at 7:30PM Jan 26, 2021Observed: 3.46 ft at 7:45PM Jan 26, 2021Observed: 3.46 ft at 8:00PM Jan 26, 2021Observed: 3.46 ft at 8:15PM Jan 26, 2021Observed: 3.47 ft at 8:30PM Jan 26, 2021Observed: 3.46 ft at 8:45PM Jan 26, 2021Observed: 3.45 ft at 9:00PM Jan 26, 2021Observed: 3.45 ft at 9:15PM Jan 26, 2021Observed: 3.45 ft at 9:30PM Jan 26, 2021Observed: 3.45 ft at 9:45PM Jan 26, 2021Observed: 3.44 ft at 10:00PM Jan 26, 2021Observed: 3.45 ft at 10:15PM Jan 26, 2021Observed: 3.45 ft at 10:30PM Jan 26, 2021Observed: 3.44 ft at 10:45PM Jan 26, 2021Observed: 3.45 ft at 11:00PM Jan 26, 2021Observed: 3.45 ft at 11:15PM Jan 26, 2021Observed: 3.45 ft at 11:30PM Jan 26, 2021Observed: 3.45 ft at 11:45PM Jan 26, 2021USGS--Water Resources of the United StatesRKGV1(plotting HGIRG) Graph Created (12:30AM Jan 27, 2021)ObservedLatest observed value: 3.45 ft at 11:45 PM EST 26-Jan-2021. Flood Stage is 8 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
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 Williams River near Rockingham are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 12
Flood Stage: 8
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 17.94 ft on 08/28/2011
(2) 9.98 ft on 03/29/1993
(3) 9.87 ft on 07/28/2014
(4) 9.69 ft on 04/03/2005
(5) 9.54 ft on 05/14/2006
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.18 ft on 04/15/2019 (P)
(2) 8.50 ft on 10/30/2017
(3) 8.13 ft on 06/07/2017
(4) 8.18 ft on 02/25/2016
(5) 9.87 ft on 07/28/2014
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.
About This Location Collapse

Latitude: 43.191667° N, Longitude: 72.485556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 433.54 ft 441.54 ft  

Current/Historical Observations:
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.
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
Albany Weather Forecast Office
251 Fuller Road Suite B300
Albany, NY 12203-3650
(518) 435-9580
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Page last modified: 30-Oct-2020 4:10 PM 		Disclaimer
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