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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	2024-11-29
Daily Data
Temperature, water, degrees Celsius -- RESERVOIR OUTLET	1997-09-30	2024-11-28	28117
Temperature, air, degrees Celsius	2004-09-30	2024-11-28	20859
Precipitation, total, inches	2001-10-31	2024-11-28	8332
Discharge, cubic feet per second	1997-10-01	2024-11-28	9921
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- RESERVOIR OUTLET	1997-09-30	2024-11-28	27143
Reservoir storage, million gallons -- GATE HOUSE	2005-09-30	2024-11-28	6671
Daily Statistics
Temperature, water, degrees Celsius -- RESERVOIR OUTLET	1997-09-30	2023-09-18	8948
Temperature, air, degrees Celsius	2004-09-30	2021-11-03	5863
Discharge, cubic feet per second	1997-10-01	2024-06-02	9742
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- RESERVOIR OUTLET	1997-09-30	2023-09-18	8638
Reservoir storage, million gallons -- GATE HOUSE	2005-09-30	2021-10-08	5577
Monthly Statistics
Temperature, water, degrees Celsius -- RESERVOIR OUTLET	1997-09	2023-09
Temperature, air, degrees Celsius	2004-09	2021-11
Discharge, cubic feet per second	1997-10	2024-06
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- RESERVOIR OUTLET	1997-09	2023-09
Reservoir storage, million gallons -- GATE HOUSE	2005-09	2021-10
Annual Statistics
Temperature, water, degrees Celsius -- RESERVOIR OUTLET	1997	2023
Temperature, air, degrees Celsius	2004	2022
Discharge, cubic feet per second	1998	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- RESERVOIR OUTLET	1997	2023
Reservoir storage, million gallons -- GATE HOUSE	2005	2022
Peak streamflow	1998-06-18	2023-06-13	25
Field measurements	1997-03-06	2024-10-01	184
Field/Lab water-quality samples	1997-03-06	2024-02-26	116
Water-Year Summary	2005	2023	15
Revisions	Loading...

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