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Streamflow Measurements for the Nation


USGS 06483300 Rock River below Rock Rapids, IA
Lyon County, Iowa
Hydrologic Unit Code 10170204
Latitude  43°24'15", Longitude  96°08'56" NAD27
Drainage area 859  square miles
Gage datum 1,320 feet above NGVD29
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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 
181976-08-24 16:35CDTYesJGGUSGS0.7026.45 Fair NONE
171975-10-21 10:30CDTYesMESUSGS13.726.33 FairClearNONE
161974-09-25 11:45CDTYesMESUSGS8.1726.18 GoodClearNONE
141972-10-16 09:55CDTYesOJRUSGS41.025.71 GoodClearNONE
131971-09-01 13:25CDTYesFELUSGS16.526.00 UnspecifiedClearNONE
121970-09-01 08:20CDTYesRDBUSGS17.025.93 GoodClearNONE
111969-10-09 11:55CDTYesFELUSGS33.525.42 GoodClearNONE
101968-09-11 10:10CDTYesDASUSGS14.8 Good NONE
91968-06-11 14:45CDTYesEDSUSGS10.5 GoodClearNONE
81967-09-11 13:05CDTYesEDSUSGS6.6019.96 GoodClearNONE
71966-08-15 15:40CDTYesEMSUSGS13.519.89 GoodClearNONE
61961-09-26 09:30CDTYesJLCUSGS14.819.920.000.30FairClearNONE
51960-10-10 17:40CDTYesSMUSGS36.3 Fair NONE
41959-08-12 16:40CDTYesJLCUSGS7.9220.080.000.20UnspecifiedClearNONE
31958-10-14 10:20CDTYesRHTUSGS0.4620.26 Unspecified NONE
21958-05-14 17:25CDTYesCWSUSGS38.219.670.000.50GoodClearNONE
11957-10-01 17:35CDTYesEMFUSGS33.619.75 UnspecifiedClearNONE