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DESCRIPTION:

Latitude 40°15'17",   Longitude 76°53'11"   NAD27

Dauphin County, Pennsylvania, Hydrologic Unit 02050305

Drainage area: 24,100 square miles

Datum of gage: 289.34 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1972-06-21	2025-12-12
Daily Data
Temperature, water, degrees Celsius	1974-05-01	2015-03-25	10086
Temperature, water, degrees Celsius -- WALNUT ST PIER	2013-07-25	2025-11-18	6846
Discharge, cubic feet per second	1890-10-01	2025-12-10	49379
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1974-05-01	2013-12-02	8640
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- WALNUT ST PIER	2013-07-25	2025-11-18	6834
Dissolved oxygen, water, unfiltered, milligrams per liter	1974-05-01	2013-12-02	7353
Dissolved oxygen, water, unfiltered, milligrams per liter -- WALNUT ST PIER	2013-07-25	2014-10-01	765
pH, water, unfiltered, field, standard units	1974-05-01	2013-12-02	6114
pH, water, unfiltered, field, standard units -- WALNUT ST PIER	2013-07-25	2014-10-01	765
Suspended sediment concentration, milligrams per liter	1962-03-13	1981-03-31	5464
Suspended sediment discharge, short tons per day	1962-03-13	1981-03-31	5625
Daily Statistics
Temperature, water, degrees Celsius	1974-05-01	2015-03-25	3362
Temperature, water, degrees Celsius -- WALNUT ST PIER	2013-07-25	2025-06-25	2136
Discharge, cubic feet per second	1890-10-01	2025-03-30	49124
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1974-05-01	2013-12-02	2880
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- WALNUT ST PIER	2013-07-25	2025-06-25	2132
Dissolved oxygen, water, unfiltered, milligrams per liter	1974-05-01	2013-12-02	2451
Dissolved oxygen, water, unfiltered, milligrams per liter -- WALNUT ST PIER	2013-07-25	2014-10-01	255
Suspended sediment concentration, milligrams per liter	1962-03-13	1981-03-31	5464
Suspended sediment discharge, short tons per day	1962-03-13	1981-03-31	5625
Monthly Statistics
Temperature, water, degrees Celsius	1974-05	2015-03
Temperature, water, degrees Celsius -- WALNUT ST PIER	2013-07	2025-06
Discharge, cubic feet per second	1890-10	2025-03
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1974-05	2013-12
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- WALNUT ST PIER	2013-07	2025-06
Dissolved oxygen, water, unfiltered, milligrams per liter	1974-05	2013-12
Dissolved oxygen, water, unfiltered, milligrams per liter -- WALNUT ST PIER	2013-07	2014-10
Suspended sediment concentration, milligrams per liter	1962-03	1981-03
Suspended sediment discharge, short tons per day	1962-03	1981-03
Annual Statistics
Temperature, water, degrees Celsius	1974	2015
Temperature, water, degrees Celsius -- WALNUT ST PIER	2013	2025
Discharge, cubic feet per second	1891	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1974	2014
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- WALNUT ST PIER	2013	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	1974	2014
Dissolved oxygen, water, unfiltered, milligrams per liter -- WALNUT ST PIER	2013	2015
Suspended sediment concentration, milligrams per liter	1962	1981
Suspended sediment discharge, short tons per day	1962	1981
Peak streamflow	1786-10-05	2024-04-05	140
Field measurements	1897-03-31	2025-08-27	444
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1936-05-02	2024-01-11	2407
Water-Year Summary	2006	2024	19
Revisions	Loading...

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