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Streamflow Measurements for the Nation


USGS 06896100 Grand River at Knowlton, IA


Ringgold County, Iowa
Hydrologic Unit Code 10280101
Latitude  40°50'00", Longitude  94°20'00" NAD27
Drainage area 67.50  square miles
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
241977-07-19 14:35CDTYesDASUSGS0.0141.20 GoodClearNONE
231976-09-21 13:40CDTYesPJSUSGS0.1941.18 ExcellentClearNONE
221975-08-13 13:40CDTYesJLRUSGS0.2341.09 UnspecifiedClearNONE
211974-09-24 12:30CDTYesJLRUSGS0.1040.36 UnspecifiedClearNONE
201971-09-20 13:30CDTYesREHUSGS0.1035.28 Good NONE
191970-07-28 08:00CDTYesJGGUSGS0.1739.53 UnspecifiedClearNONE
181969-09-22 10:15CDTYesJGGUSGS0.4034.67 Unspecified NONE
171968-10-17 11:00CDTYesDASUSGS0.4535.02 GoodClearNONE
161968-03-12 10:30CSTYesRDBUSGS0.9734.71 FairClearNONE
151967-12-13 09:35CSTYesDASUSGS0.3535.02 FairClearNONE
141966-08-10 09:00CDTYesRDBUSGS1.2939.52 UnspecifiedClearNONE
131964-10-27 15:50CSTYesDERUSGS6.35-38.93 GoodClearNONE
121963-10-31 13:05CSTYesEDSUSGS0.1739.92 GoodClearNONE
111961-10-25 15:55CDTYesCWSUSGS11.838.810.000.30GoodClearNONE
101960-10-26 15:20CDTYesSJMUSGS7.27-38.98 GoodClearNONE
91960-10-26 14:20CDTYesJGGUSGS7.4138.97 ExcellentClearNONE
81960-10-26 13:40CDTYes--SUSGS7.53-38.90 GoodClearNONE
71960-10-26 12:00CDTYesEDSUSGS7.2338.94 GoodClearNONE
61960-10-26 09:50CDTYesRHTUSGS7.1138.96 UnspecifiedClearNONE
51960-09-13 13:00CDTYesJGGUSGS1.20 UnspecifiedClearNONE
41960-09-12 15:45CDTYesRDBUSGS0.9139.13 FairClearNONE
31959-07-29 15:05CDTYesFELUSGS1.4038.81 UnspecifiedClearNONE
21958-10-14 12:45CDTYesFELUSGS1.7238.75 UnspecifiedClearNONE