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Streamflow Measurements for the Nation


USGS 400118105134600 BOULDER CREEK AT COTTONWOOD GROVE NR BOULDER CO.


Boulder County, Colorado
Hydrologic Unit Code 10190005
Latitude  40°01'18", Longitude 105°13'46" NAD27
Gage datum 5,210 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
 
231991-11-25 13:15MSTYesRAKUSGS2.501.610.000.50FairClearNONE
221991-09-12 11:35MDTYesRAKUSGS18.11.930.000.40GoodClearNONE
211991-07-11 10:30MDTYesRAKUSGS85.72.49-0.010.50FairClearNONE
201991-06-18 09:15MDTYesRAKUSGS3243.54-0.010.80GoodClearNONE
191991-06-05 10:05MDTYesRAKUSGS1452.860.000.50GoodClearNONE
181991-05-10 10:25MDTYesRAKUSGS28.52.270.000.40FairClearNONE
171991-04-04 11:10MSTYesGBOUSGS2.311.81-0.010.50FairDebrisLightNONE
161991-03-15 12:20MSTYesRAKUSGS2.001.800.010.30GoodClearNONE
151991-02-08 10:08MSTYesRAKUSGS4.881.90-0.020.50FairClearNONE
141990-12-11 10:10MSTYesRAKUSGS2.351.750.000.30FairClearNONE
131990-11-01 10:30MSTYesRAK/RAHUSGS13.12.050.000.50FairClearNONE
121990-09-17 11:50MDTYesRAK/GMCUSGS20.92.180.010.50FairClearNONE
111990-07-23 10:20MDTYesRAK/GMCUSGS58.32.56-0.010.50FairClearNONE
101990-07-16 11:30MDTYesRAKUSGS45.02.470.000.50FairClearNONE
91990-06-26 10:05MDTYesRSW/RAKUSGS2103.35-0.020.80FairClearNONE
81990-06-18 10:20MDTYesRSW/RAKUSGS2153.41-0.020.70FairClearNONE
71990-03-20 09:45MSTYesRSW/GMCUSGS1.641.730.000.30UnspecifiedClearNONE
61990-01-18 10:00MSTYesRSW/GMCUSGS7.491.960.000.50UnspecifiedClearNONE
2111990-01-10 10:10MSTYesBWUSGS9.681.99 Unspecified NONE
2101989-12-12 13:20MSTYesBWUSGS8.181.80 Unspecified NONE
2091989-11-30 16:03MSTYesLMUSGS6.811.74 Unspecified NONE
51989-11-21 12:30MSTYesGMCUSGS11.01.800.001.00UnspecifiedClearNONE
2081989-11-16 12:08MSTYesLMUSGS3.981.64 Unspecified NONE
2071989-11-09 17:03MSTYesLMUSGS4.911.65 Unspecified NONE
2061989-11-02 13:47MSTYesLMUSGS8.101.76 Unspecified NONE
2051989-10-26 15:50MDTYesLMUSGS4.071.65 Unspecified NONE
41989-10-19 09:50MDTYesRSW/GMCUSGS10.81.83-0.010.70UnspecifiedClearNONE
2041989-10-12 09:25MDTYesLMUSGS3.041.60 Unspecified NONE
2031989-10-05 13:55MDTYesLMUSGS4.071.64 Unspecified NONE
31989-09-29 09:50MDTYesRSW/GMCUSGS2.321.57-0.010.40UnspecifiedClearNONE
2021989-09-21 15:00MDTYesLMUSGS5.241.65 UnspecifiedClearNONE
21989-09-21 10:00MDTYesRSW/GMCUSGS5.201.70-0.010.70UnspecifiedClearNONE
2011989-09-14 15:00MDTYesLMUSGS17.21.86 Unspecified NONE
11989-08-29 13:35MDTYesGMCUSGS11.01.790.000.50UnspecifiedClearNONE