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DESCRIPTION:

Latitude 42°23'53",   Longitude 71°16'26"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 01090001

Drainage area: 6.86 square miles

Contributing drainage area: 6.86 square miles,

Datum of gage: 149.20 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1997-10-01	2023-11-29
Daily Data
Temperature, water, degrees Celsius	1997-09-30	2023-11-28	27037
Temperature, air, degrees Celsius	2004-09-30	2023-11-28	19842
Precipitation, total, inches	2001-10-31	2023-11-28	8008
Discharge, cubic feet per second	1997-10-01	2023-11-28	9555
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1997-09-30	2023-11-28	26063
Reservoir storage, million gallons -- GATE HOUSE	2005-09-30	2023-11-28	6357
Daily Statistics
Temperature, water, degrees Celsius	1997-09-30	2021-11-03	8270
Temperature, air, degrees Celsius	2004-09-30	2021-11-03	5863
Discharge, cubic feet per second	1997-10-01	2022-12-11	9203
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1997-09-30	2021-11-03	7965
Reservoir storage, million gallons -- GATE HOUSE	2005-09-30	2021-10-08	5577
Monthly Statistics
Temperature, water, degrees Celsius	1997-09	2021-11
Temperature, air, degrees Celsius	2004-09	2021-11
Discharge, cubic feet per second	1997-10	2022-12
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1997-09	2021-11
Reservoir storage, million gallons -- GATE HOUSE	2005-09	2021-10
Annual Statistics
Temperature, water, degrees Celsius	1997	2022
Temperature, air, degrees Celsius	2004	2022
Discharge, cubic feet per second	1998	2023
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1997	2022
Reservoir storage, million gallons -- GATE HOUSE	2005	2022
Peak streamflow	1998-06-18	2020-12-14	23
Field measurements	1997-03-06	2023-10-03	178
Field/Lab water-quality samples	1997-03-06	2023-11-01	115
Water-Year Summary	2005	2022	14
Revisions	Loading...

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