USGS 01104430 HOBBS BK BELOW CAMBRIDGE RES NR KENDALL GREEN, MA

PROVISIONAL DATA SUBJECT TO REVISION

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COOPERATION BY.--Cambridge Water Department
Available Parameters Available Period
  
2007-10-01  2025-07-16
2015-09-10  2025-07-16
2007-10-01  2025-07-16
2009-10-23  2025-07-16
1997-10-01  2025-07-16
2007-10-01  2025-07-16
2007-10-01  2025-07-16
2007-10-01  2025-07-16
2015-09-10  2025-07-16
2015-09-10  2025-07-16
2018-06-13  2021-10-05
2015-09-10  2021-10-05
2007-10-01  2025-07-16
2012-05-17  2025-07-16
2009-10-23  2025-07-16







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius, GATE HOUSE
Most recent instantaneous value: 20.9 07-16-2025   21:40 EDT
Graph of Temperature, water, degrees Celsius

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Temperature, water, degrees Celsius, RESERVOIR OUTLET
Most recent instantaneous value: 22.0 07-16-2025   22:00 EDT
Graph of Temperature, water, degrees Celsius

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Temperature, air, degrees Celsius
Most recent instantaneous value: 26.3 07-16-2025   22:00 EDT
Graph of Temperature, air, degrees Celsius

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Precipitation, total, inches
Most recent instantaneous value: 0.00 07-16-2025   22:00 EDT
Graph of Precipitation, total, inches

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Discharge, cubic feet per second
Most recent instantaneous value: 31.5 07-16-2025   22:00 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 16 based on 27 water years of record more
Min
(2001)		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Most Recent
Instantaneous
Value Jul 16		 Max
(2021)
1.10 9.7 17 19 24 31.5 39.9

Elevation of reservoir water surface above datum, feet, GATE HOUSE
Most recent instantaneous value: 179.74 07-16-2025   21:40 EDT
Graph of Elevation of reservoir water surface above datum, feet

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Gage height, feet
Most recent instantaneous value: 1.56 07-16-2025   22:00 EDT
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, GATE HOUSE
Most recent instantaneous value: 733 07-16-2025   21:40 EDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, RESERVOIR OUTLET
Most recent instantaneous value: 764 07-16-2025   22:00 EDT
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Dissolved oxygen, water, unfiltered, milligrams per liter, GATE HOUSE
Most recent instantaneous value: 0.8 07-16-2025   21:40 EDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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Chlorophyll a, fluorometric method, uncorrected, micrograms per liter, GATE HOUSE, [Reservoir]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), GATE HOUSE
 
-- Data temporarily unavailable for the time period specified --

Reservoir storage, million gallons, GATE HOUSE
Most recent instantaneous value: 2240 07-16-2025   21:40 EDT
Graph of Reservoir storage, million gallons

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Sodium, water, filtered, estimated by regression equation, milligrams per liter, RESERVOIR OUTLET
Most recent instantaneous value: 106 07-16-2025   22:00 EDT
Graph of Sodium, water, filtered, estimated by regression equation, milligrams per liter

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Chloride, water, filtered, estimated by regression equation, milligrams per liter, RESERVOIR OUTLET
Most recent instantaneous value: 190 07-16-2025   22:00 EDT
Graph of Chloride, water, filtered, estimated by regression equation, milligrams per liter

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