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ICE EFFECTS ON STREAMFLOW - During winter, ice formation may cause stage and discharge values to appear higher than expected. Ice effects may be minor (occurring only at night and early morning) with baseline flows obvious, or the effects may be major (stage constantly increases over several days or weeks) resulting in greatly erroneous discharge. Streamgages experiencing minor ice conditions will continue to display stage and discharge values to enable users to estimate the approximate base-line stage and discharge. Streamgages experiencing major ice conditions will have the discharge record temporarily disabled to prevent use of erroneous discharge values. The discharge record will resume when it is determined that ice conditions are no longer present. Daily mean discharges during periods of ice effect will be estimated after detailed data analysis.
* IMPORTANT: Next Generation Station Page

USGS 01194750 CONNECTICUT RIVER AT ESSEX, CT

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with University of Connecticut Marine Sciences Department and the Connecticut Department of Energy & Environmental Protection Long Island Sound License Plate Fund.


 
Boating safety tips
Available Parameters Available Period
  
2010-02-20  2019-06-05
2010-02-20  2021-03-06
2010-02-20  2021-03-06
2010-02-20  2021-03-06
2010-02-19  2019-06-05
2010-02-20  2021-03-06
2010-02-20  2021-03-06
2019-07-09  2021-03-06
2019-07-09  2021-03-06
2010-02-27  2019-06-05
2019-07-09  2020-05-04
2018-03-07  2019-06-05
2019-07-09  2021-03-06
2019-07-09  2021-03-06
2019-07-09  2021-03-06
2010-02-24  2019-06-05
2010-02-20  2019-06-05
2010-02-20  2021-03-06
2010-02-20  2021-03-06







 (7)
 

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


Temperature, water, degrees Celsius, at Essex Island Bottom

Most recent instantaneous value: 1.3 03-06-2021   12:30 EST
Graph of  Temperature, water, degrees Celsius

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Temperature, water, degrees Celsius, at Essex Island Top

Most recent instantaneous value: 1.4 03-06-2021   12:30 EST
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Temperature, water, degrees Celsius, main dock
 
-- Data temporarily unavailable for the time period specified --


Gage height, feet

Most recent instantaneous value: -0.20 03-06-2021   13:20 EST
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, at Essex Island Bottom

Most recent instantaneous value: 432 03-06-2021   12:30 EST
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, at Essex Island Top

Most recent instantaneous value: 257 03-06-2021   12:30 EST
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, main dock
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --


Dissolved oxygen, water, unfiltered, milligrams per liter, at Essex Island Bottom

Most recent instantaneous value: 14.4 03-06-2021   12:30 EST
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, milligrams per liter, at Essex Island Top

Most recent instantaneous value: 14.2 03-06-2021   12:30 EST
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE), at Essex Island Top
 
-- Data temporarily unavailable for the time period specified --


Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU), at Essex Island Top

Most recent instantaneous value: 0.42 03-06-2021   12:30 EST
Graph of  Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
 
-- Data temporarily unavailable for the time period specified --


Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), at Essex Island Top

Most recent instantaneous value: 2.9 03-06-2021   12:30 EST
Graph of  Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --


Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius, at Essex Island Bottom

Most recent instantaneous value: 0.2 03-06-2021   12:30 EST
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Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius, at Essex Island Top

Most recent instantaneous value: 0.1 03-06-2021   12:30 EST
Graph of  Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius

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