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Streamflow Measurements for the Nation


USGS 01190070 CONNECTICUT RIVER AT HARTFORD, CT


Capitol Planning Region County, Connecticut
Hydrologic Unit Code 010802050502
Latitude  41°46'08.74", Longitude  72°40'03.18" NAD83
Drainage area 10,487.0  square miles
Gage datum -0.85 feet above NAVD88
Output formats
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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
 
312025-03-19 11:54:03EDTYesCJG/VMSUSGS7800018.200.000.25FairClearNONE
302024-03-14 10:38:48EDTYesNPP/CJGUSGS5390013.86-0.020.25GoodClearNONE
292023-07-13 12:36:55EDTYesNPP/JRDUSGS9160020.78-0.010.25FairClearNONE
282023-07-13 12:10:09EDTYesNPP/JRDUSGS9050020.80-0.010.25PoorClearNONE
272023-04-26 16:05:48EDTYesSCB/NPPUSGS5220013.72-0.030.25PoorClearNONE
262021-07-23 15:57:30EDTYesSCB/NPPUSGS4270010.890.020.25FairClearNONE
252019-12-16 10:43:43ESTYesPJM/SCBUSGS6830015.550.030.40Good NONE
242019-04-19 10:31:54EDTYesPJMUSGS8330018.94-0.010.75Good NONE
232018-04-20 11:43:10EDTYesNPP/TCSUSGS5220012.76-0.030.50Good NONE
222018-04-06 11:57:58EDTYesDJJ/TCSUSGS368008.960.010.25FairClearNONE
212017-04-14 13:38:25EDTYesJEH/PJMUSGS6890015.800.000.40GoodClearNONE
202014-04-17 10:23:09EDTYesJAO/DGTUSGS9430019.73 Good NONE
192011-08-31 09:40:30EDTYesjao/jmpUSGS10900023.86 0.50GoodUnspecifedNONE
182010-04-01 16:30EDTYesTCS/GKHUSGS10100021.28-0.01 GoodUnspecifedNONE
172009-04-07 10:52EDTYestcs/jaoUSGS6990016.60-0.02 GoodClearNONE
162007-04-18 10:13EDTYesGKH/JAOUSGS12000023.340.010.80GoodClearNONE
152005-04-05 11:17EDTYesTCS/JMUSGS10100022.030.010.50FairUnspecifedNONE
142005-04-05 10:32EDTYesTCS/JMUSGS9670022.020.010.50FairUnspecifedNONE
132003-04-02 13:55ESTYesjaoUSGS7670018.21-0.041.00Good NONE
122001-04-27 12:24EDTYesjao/ckUSGS8960019.87-0.020.80GoodUnspecifedNONE
112000-04-26 10:04EDTYesrgk/jaoUSGS5190012.82 GoodClearNONE
102000-04-03 10:13EDTYesrgk/jaoUSGS4270010.21 GoodClearNONE
91987-04-02 -- ----YesBSD/GPRUSGS13400034.470.091.80GoodUnspecifedNONE
81986-03-24 -- ----YesBSD/TMCUSGS518002.74-0.131.50GoodClearNONE
71984-06-07 -- ----YesLAW/BSDUSGS6160015.550.051.00GoodClearNONE
61984-06-01 -- ----YesLAW/JMCUSGS18400031.580.082.30GoodClearNONE
51983-05-09 -- ----YesGPR/BSDUSGS4290011.82-0.100.80GoodClearNONE
41983-05-09 -- ----YesBSD/GPRUSGS4380011.95-0.151.30GoodClearNONE
31937-05-20 06:25ESTYesT/FUSGS6380016.86-0.375.00Good NONE
21937-05-18 07:15ESTYesLWF/MPTUSGS7970020.02 Unspecified NONE