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Streamflow Measurements for the Nation


USGS 01088400 MERRIMACK RIVER AT CONCORD, NH


Merrimack County, New Hampshire
Hydrologic Unit Code 01070002
Latitude  43°12'32", Longitude  71°31'51" NAD27
Drainage area 2,300.00  square miles
Gage datum 216.56 feet above NAVD88
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
252001-04-20 07:48EDTYesC_K/RGKUSGS152008.90-0.010.60FairClearNONE
242000-07-19 11:55EDTYesCK/SLWUSGS28103.360.000.50FairClearNONE
232000-04-07 07:12EDTYesRGK/SLWUSGS1900010.64 GoodClearNONE
221999-09-22 -- ----YesRGKUSGS86006.70 Unspecified NONE
211989-04-13 -- ----YesSCSUSGS73206.21 Unspecified NONE
201987-04-09 -- ----YesSCS/JEKUSGS2760013.160.001.50Unspecified NONE
191985-04-07 -- ----YesSCSUSGS2380012.01-0.242.00Fair NONE
151982-03-30 -- ----YesKWT/KEMUSGS91305.580.001.00Good NONE
141981-11-19 -- ----YesKWT/REHUSGS75205.80 Good NONE
21979-05-07 -- ----YesK*S/M*WUSGS75205.600.001.50Fair NONE
11979-04-09 -- ----YesK*S/M*WUSGS96406.63-0.021.80Fair NONE