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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	2024-04-16
Daily Data
Temperature, water, degrees Celsius -- RESERVOIR OUTLET	1997-09-30	2024-04-15	27454
Temperature, air, degrees Celsius	2004-09-30	2024-04-15	20259
Precipitation, total, inches	2001-10-31	2024-04-15	8147
Discharge, cubic feet per second	1997-10-01	2024-04-15	9694
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- RESERVOIR OUTLET	1997-09-30	2024-04-15	26480
Reservoir storage, million gallons -- GATE HOUSE	2005-09-30	2024-04-15	6496
Daily Statistics
Temperature, water, degrees Celsius -- RESERVOIR OUTLET	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	2023-10-02	9498
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- RESERVOIR OUTLET	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 -- RESERVOIR OUTLET	1997-09	2021-11
Temperature, air, degrees Celsius	2004-09	2021-11
Discharge, cubic feet per second	1997-10	2023-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- RESERVOIR OUTLET	1997-09	2021-11
Reservoir storage, million gallons -- GATE HOUSE	2005-09	2021-10
Annual Statistics
Temperature, water, degrees Celsius -- RESERVOIR OUTLET	1997	2022
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	2022
Reservoir storage, million gallons -- GATE HOUSE	2005	2022
Peak streamflow	1998-06-18	2023-06-13	25
Field measurements	1997-03-06	2024-04-10	181
Field/Lab water-quality samples	1997-03-06	2024-02-26	116
Water-Year Summary	2005	2023	15
Revisions	Loading...

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