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DESCRIPTION:

Latitude 42°21'20",   Longitude 71°15'56"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 01090001

Drainage area: 23.7 square miles

Datum of gage: 42.14 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1999-08-06	2024-04-19
Daily Data
Temperature, water, degrees Celsius	2001-02-11	2016-10-17	3477
Temperature, air, degrees Celsius	2002-09-30	2024-04-18	7175
Precipitation, total, inches	2002-09-30	2024-04-18	7107
Discharge, cubic feet per second	1999-08-06	2024-04-18	9023
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1999-10-01	2016-10-17	3914
Reservoir storage, million gallons	2001-03-29	2024-04-18	7714
Daily Statistics
Temperature, water, degrees Celsius	2001-02-11	2016-10-17	3477
Temperature, air, degrees Celsius	2002-09-30	2019-06-09	6079
Discharge, cubic feet per second	1999-08-06	2023-10-03	8825
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1999-10-01	2016-10-17	3914
Reservoir storage, million gallons	2001-03-29	2019-06-09	6619
Monthly Statistics
Temperature, water, degrees Celsius	2001-02	2016-10
Temperature, air, degrees Celsius	2002-09	2019-06
Discharge, cubic feet per second	1999-08	2023-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1999-10	2016-10
Reservoir storage, million gallons	2001-03	2019-06
Annual Statistics
Temperature, water, degrees Celsius	2001	2017
Temperature, air, degrees Celsius	2002	2019
Discharge, cubic feet per second	1999	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2000	2017
Reservoir storage, million gallons	2001	2019
Peak streamflow	2000-04-25	2022-12-21	24
Field measurements	1999-08-03	2024-04-11	134
Field/Lab water-quality samples	1998-01-30	2012-11-14	8
Water-Year Summary	2005	2023	15
Revisions	Loading...

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