USGS 01130000 UPPER AMMONOOSUC RIVER NEAR GROVETON, NH

PROVISIONAL DATA SUBJECT TO REVISION

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This station is part of a 2-year multipurpose streamflow monitoring network expansion project for 15 new streamgages across New Hampshire. The expansion project was requested by the New Hampshire Rivers Management Advisory Committee (RMAC), proposed by the Stream Gage Task Force (SGTF), and funding for installation was provided by the New Hampshire Legislature.
Station operated in cooperation with the New Hampshire Department of Environmental Services.
Boating safety tips
Available Parameters Available Period
  
1991-10-01  2025-07-03
2009-07-07  2025-07-03







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 243 07-03-2025   20:30 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 3 based on 78 water years of record more
Min
(1962)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Jul 3		 75th
percen-
tile		 Mean Max
(2013)
88.0 169 233 243 347 352 2540

Gage height, feet
Most recent instantaneous value: 2.35 07-03-2025   20:30 EDT
Graph of Gage height, feet

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