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Streamflow Measurements for the Nation


USGS 06808600 Walnut Creek near Griswold, IA


Pottawattamie County, Iowa
Hydrologic Unit Code 10240002
Latitude  41°17'20", Longitude  95°12'32" NAD27
Drainage area 61.3  square miles
Gage datum 1,160 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
 
Channel
Number
Channel
Name
Meas.
type
 
Stream
flow
method
 
Velocity
method
 
Channel
flow
(ft3/s)
Channel
width
(ft)
Channel
area
(ft2)
Channel
vel.
(ft/s)
Channel
stability
 
Channel
material
 
Channel
evenness
 
Long.
vel.
desc.
 
Horz.
vel.
desc.
 
Vert.
vel.
desc.
 
Channel
loc.
code
 
Channel
loc.
dist.(ft)
131975-09-26 11:40CDTYesRDBUSGS7.6236.41 FairClearNONE1Imported Channel 1WADEunspeunkno7.628.503.572.13UNSPUNSPUNSPunknUNSPUNSPUNSP
121971-08-31 12:00CDTYesEDSUSGS0.65-35.39 GoodClearNONE1Imported Channel 1WADEunspeunkno0.653.901.240.52UNSPUNSPUNSPunknUNSPUNSPUNSP
111968-06-19 13:15CSTYesEDSUSGS1.2034.48 GoodClearNONE1Imported Channel 1WADEunspeunkno1.204.000.871.38UNSPUNSPUNSPunknUNSPUNSPUNSP
101967-05-23 10:05CSTYesFELUSGS1.1834.23 FairClearNONE1Imported Channel 1WADEunspeunkno1.188.003.260.36UNSPUNSPUNSPunknUNSPUNSPUNSP
91966-08-30 11:10CSTYesRDBUSGS4.7633.72 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno4.7614.06.640.72UNSPUNSPUNSPunknUNSPUNSPUNSP
81964-10-28 08:50CSTYesRDBUSGS6.0031.08 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno6.005.005.411.11UNSPUNSPUNSPunknUNSPUNSPUNSP
71963-11-06 08:50CSTYesRDBUSGS0.6825.33 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno0.682.501.150.59UNSPUNSPUNSPunknUNSPUNSPUNSP
61961-09-01 11:50CSTYesEDSUSGS4.4124.40 GoodClearNONE1Imported Channel 1WADEunspeunkno4.4114.05.380.82UNSPUNSPUNSPunknUNSPUNSPUNSP
51960-09-16 11:30CSTYesEDSUSGS13.2-23.92 GoodClearNONE1Imported Channel 1WADEunspeunkno13.211.09.351.41UNSPUNSPUNSPunknUNSPUNSPUNSP
41959-10-20 11:00CSTYesRDBUSGS5.1523.770.000.30FairClearNONE1Imported Channel 1WADEunspeunkno5.158.005.180.99UNSPUNSPUNSPunknUNSPUNSPUNSP
31958-10-16 10:00CSTYesFELUSGS17.3-23.22 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno17.316.015.21.15UNSPUNSPUNSPunknUNSPUNSPUNSP
21958-05-15 14:05CSTYesGGPUSGS12.123.280.000.30UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno12.115.011.51.05UNSPUNSPUNSPunknUNSPUNSPUNSP
11957-09-26 12:30CSTYesCWSUSGS5.9122.820.000.70GoodClearNONE1Imported Channel 1CRANunspeunkno5.919.005.251.13UNSPUNSPUNSPunknUNSPUNSPUNSP