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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


Real-time Data for Cambridge Reservoir Sites -- 14 site(s) found

PROVISIONAL DATA SUBJECT TO REVISION




Customize table to display other current-condition parameters
Station
Number
Station name Date/Time Reser-
voir
storage
Mgal
Reser-
voir
eleva-
tion
above
datum,
feet
Dis-
charge,
ft3/s
Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
Temper-
ature,
water,
deg C
Temper-
ature,
air,
deg C
Precipitation in inches
during the previous
  24 hours  
01104370 STONY BROOK AT VILES STREET, NEAR WESTON, MA  04/22 17:40 EDT -- -- 41.8 397  13.4 --  
01104405 HOBBS BROOK AT MILL ST NR LINCOLN, MA  04/22 17:40 EDT -- -- -- 377  14.1 --  
01104410 CAMBRIDGE RES., UNNAMED TRIB 1, NR LEXINGTON, MA  04/22 17:40 EDT -- -- -- 1,070  11.8 --  
01104415 CAMBRIDGE RES., UNNAMED TRIB 2, NR LEXINGTON, MA  04/22 17:30 EDT -- -- 0.90 373  11.8 --  
01104420 CAMBRIDGE RES., UNNAMED TRIB 3, NR LEXINGTON, MA  04/22 17:39 EDT -- -- 2.16 -- -- --  
      25ft Downstream of pier  04/22 17:39 EDT -- -- -- 1,380  13.3 --  
01104425 HOBBS BRK AT TRAPELO RD AT LINCOLN, MA  04/22 17:45 EDT -- 182.79 -- 832  8.6 --  
01104430 HOBBS BK BELOW CAMBRIDGE RES NR KENDALL GREEN, MA  04/22 17:30 EDT -- -- 30.2 968  8.1  15.3 
      GATE HOUSE  04/22 17:45 EDT 2,795.2 182.81 -- 1,060  7.9 --  
01104453 STONY BROOK UNNAMED TRIB 2 NR WESTON STATION  04/22 17:40 EDT -- -- -- 586  13.7 --  
01104455 STONY BROOK, UNNAMED TRIBUTARY 1, NEAR WALTHAM, MA  04/22 17:30 EDT -- -- 1.25 1,800  11.8 --  
01104460 STONY BROOK AT RT 20 AT WALTHAM, MA  04/22 17:00 EDT -- -- -- 549  12.9 --  
      [(2)]  04/22 17:00 EDT -- -- 92.5 -- -- --  
01104475 STONY BROOK RES., UNNAMED TRIB 1, NEAR WESTON, MA  04/22 17:30 EDT -- -- 1.67 355  12.2 --  
01104480 STONY BROOK RESERVOIR AT DAM NEAR WALTHAM, MA  04/22 17:30 EDT 344.6 77.84 -- -- --  15.8 
    04/22 17:00 EDT -- -- 82.2 -- -- --  
422302071083801 FRESH POND IN GATE HOUSE AT CAMBRIDGE, MA  04/22 17:45 EDT 1,458.2 16.04 -- 778  9.3  15.5 
422518071162501 CAMBRIDGE RES., MET. STATION, NEAR LEXINGTON, MA  04/22 17:45 EDT -- -- -- -- --  16.4 

Data status codes:
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