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Peak Streamflow for the Nation

USGS 01077400 COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

Grafton County, New Hampshire
Hydrologic Unit Code 01070001
Latitude  43°42'14", Longitude  71°50'00" NAD83
Drainage area 21.4  square miles
Gage datum 608.42 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
2009 2008-12-12 7.57 1,500
2010 2010-01-25 6.99 1,270
2011 2011-08-28 11.17 5,260
2012 2011-10-14 7.13 1,350
2013 2012-12-21 6.88 1,230
2014 2014-05-17 7.30 1,430
2015 2014-10-16 9.37 3,150
2016 2016-01-10 7.05 1,450
2017 2017-02-26 6.53 1,170
2018 2017-10-30 11.82 7,900
2019 2019-07-11 11.99 8,920
2020 2019-12-14 7.43 1,650
2021 2020-11-30 9.22 3,000
2022 2021-10-31 7.10 1,460
2023 2022-12-23 9.75 3,500