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Streamflow Measurements for the Nation


USGS 10263630 BIG ROCK C AB PALLETT C NR VALYERMO CA


Los Angeles County, California
Hydrologic Unit Code 18090206
Latitude  34°27'37", Longitude 117°51'48" NAD83
Drainage area 34.4  square miles
Gage datum 3,555 feet above NGVD29
Output formats
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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)
872005-10-13 09:40PDTYesDRS/DJPUSGS9.981.040.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno9.9812.27.921.26UNSPUNSPUNSPunknUNSPUNSPUNSP
862005-09-01 14:45PDTYesJWNUSGS16.81.070.000.50PoorClearNONE1Imported Channel 1WADEQSCMMVADV16.815.810.91.54UNSPUNSPUNSPunknUNSPUNSPUNSP
852005-08-02 10:00PDTYesJWNUSGS26.11.190.000.40FairClearNONE1Imported Channel 1WADEQSCMMVADV26.121.311.62.25UNSPUNSPUNSPunknUNSPUNSPUNSP
842005-07-06 10:50PDTYesJWNUSGS39.41.260.000.50PoorClearNONE1Imported Channel 1WADEQSCMMVADV39.422.515.32.58UNSPUNSPUNSPunknUNSPUNSPUNSP
832005-06-06 10:20PDTYesJWNUSGS93.11.710.010.70FairClearNONE1Imported Channel 1WADEQSCMMVADV93.127.026.43.53UNSPUNSPUNSPunknUNSPUNSPUNSP
822005-05-20 11:25PDTYesJWNUSGS1161.740.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno11627.027.44.23UNSPUNSPUNSPunknUNSPUNSPUNSP
812005-05-05 12:30PDTYesDRS/DJPUSGS1091.680.000.60PoorClearNONE1Imported Channel 1WADEunspeunkno10943.033.23.28UNSPUNSPUNSPunknUNSPUNSPUNSP
802005-04-15 10:45PDTYesJWNUSGS85.51.660.000.80PoorClearNONE1Imported Channel 1WADEunspeunkno85.520.923.03.72UNSPUNSPUNSPunknUNSPUNSPUNSP
792005-03-31 11:00PSTYesDRSUSGS91.31.640.000.60PoorClearNONE1Imported Channel 1WADEunspeunkno91.342.731.72.88UNSPUNSPUNSPunknUNSPUNSPUNSP
782005-03-02 13:15PSTYesJWN/DJPUSGS1661.640.000.40PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno16666.046.93.54UNSPUNSPUNSPunknUNSPUNSPUNSP
772005-02-10 11:00PSTYesDJP/JWNUSGS80.21.800.000.70PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno80.228.022.93.50UNSPUNSPUNSPunknUNSPUNSPUNSP
762005-01-04 11:00PSTYesDJPUSGS27.81.140.000.60PoorClearNONE1Imported Channel 1WADEunspeunkno27.823.211.82.36UNSPUNSPUNSPunknUNSPUNSPUNSP
752004-12-30 14:25PSTYesDJPUSGS66.61.50-0.010.40FairClearNONE1Imported Channel 1WADEunspeunkno66.624.817.43.83UNSPUNSPUNSPunknUNSPUNSPUNSP
742004-12-06 13:50PSTYesDJPUSGS10.11.170.000.50FairClearNONE1Imported Channel 1WADEunspeunkno10.114.05.811.74UNSPUNSPUNSPunknUNSPUNSPUNSP
732004-11-03 13:25PSTYesDJPUSGS3.641.130.000.60PoorClearNONE1Imported Channel 1WADEunspeunkno3.6410.53.191.14UNSPUNSPUNSPunknUNSPUNSPUNSP
722004-10-27 11:45PDTYesDRSUSGS48.51.45-0.010.80PoorClearNONE1Imported Channel 1WADEunspeunkno48.520.612.53.88UNSPUNSPUNSPunknUNSPUNSPUNSP
712004-10-23 11:20PDTYesDRSUSGS3.141.310.000.60FairClearNONE1Imported Channel 1WADEunspeunkno3.1411.42.491.26UNSPUNSPUNSPunknUNSPUNSPUNSP
702004-10-06 11:50PDTYesJAUSGS2.101.090.000.40PoorClearNONE1Imported Channel 1WADEunspeunkno2.1010.52.350.89UNSPUNSPUNSPunknUNSPUNSPUNSP
692004-09-08 13:15PDTYesDRSUSGS1.791.060.000.50FairClearNONE1Imported Channel 1WADEunspeunkno1.7910.42.090.86UNSPUNSPUNSPunknUNSPUNSPUNSP
682004-08-04 12:45PDTYesDJPUSGS3.081.10-0.010.40PoorClearNONE1Imported Channel 1WADEunspeunkno3.0813.53.340.92UNSPUNSPUNSPunknUNSPUNSPUNSP
672004-07-09 12:40PDTYesDJPUSGS3.521.130.000.60PoorClearNONE1Imported Channel 1WADEunspeunkno3.5214.03.540.99UNSPUNSPUNSPunknUNSPUNSPUNSP
662004-06-16 11:05PDTYesDRSUSGS3.911.160.000.50FairClearNONE1Imported Channel 1WADEunspeunkno3.9113.53.761.04UNSPUNSPUNSPunknUNSPUNSPUNSP
652004-06-07 11:00PDTYesDRSUSGS4.511.170.000.50FairClearNONE1Imported Channel 1WADEunspeunkno4.5113.94.041.12UNSPUNSPUNSPunknUNSPUNSPUNSP
642004-05-05 13:30PDTYesDJPUSGS7.421.20-0.010.80FairClearNONE1Imported Channel 1WADEunspeunkno7.4214.55.081.46UNSPUNSPUNSPunknUNSPUNSPUNSP
632004-04-12 12:30PDTYesDJPUSGS9.581.250.000.50FairClearNONE1Imported Channel 1WADEunspeunkno9.5817.26.011.59UNSPUNSPUNSPunknUNSPUNSPUNSP
622004-03-03 13:50PSTYesDJPUSGS7.141.170.000.70PoorClearNONE1Imported Channel 1WADEunspeunkno7.1415.04.841.48UNSPUNSPUNSPunknUNSPUNSPUNSP
612004-02-23 12:15PSTYesDRSUSGS3.451.430.000.40PoorClearNONE1Imported Channel 1WADEunspeunkno3.457.602.551.35UNSPUNSPUNSPunknUNSPUNSPUNSP
602004-02-09 12:40PSTYesDRSUSGS2.721.370.000.50FairClearNONE1Imported Channel 1WADEunspeunkno2.727.902.301.18UNSPUNSPUNSPunknUNSPUNSPUNSP
592003-12-31 12:00PSTYesDJPUSGS2.781.370.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno2.786.201.741.60UNSPUNSPUNSPunknUNSPUNSPUNSP
582003-12-04 13:40PSTYesDJPUSGS3.201.400.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno3.205.501.462.19UNSPUNSPUNSPunknUNSPUNSPUNSP
572003-11-14 12:25PSTYesDRSUSGS2.831.410.000.30FairClearNONE1Imported Channel 1WADEunspeunkno2.835.401.691.67UNSPUNSPUNSPunknUNSPUNSPUNSP
562003-10-07 13:55PDTYesDJPUSGS3.871.400.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno3.874.301.442.69UNSPUNSPUNSPunknUNSPUNSPUNSP
552003-09-09 12:30PDTYesDJPUSGS4.001.42-0.010.50FairClearNONE1Imported Channel 1WADEunspeunkno4.005.501.742.30UNSPUNSPUNSPunknUNSPUNSPUNSP
542003-08-07 14:00PDTYesDRSUSGS4.811.480.000.50UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno4.815.802.132.26UNSPUNSPUNSPunknUNSPUNSPUNSP
532003-07-10 12:10PDTYesDJPUSGS7.631.550.000.60PoorClearNONE1Imported Channel 1WADEunspeunkno7.6314.06.681.14UNSPUNSPUNSPunknUNSPUNSPUNSP
522003-06-05 10:45PDTYesDRSUSGS11.81.440.000.60UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno11.814.56.051.95UNSPUNSPUNSPunknUNSPUNSPUNSP
512003-05-07 12:10PDTYesDRSUSGS21.61.430.000.80FairClearNONE1Imported Channel 1WADEunspeunkno21.618.38.552.53UNSPUNSPUNSPunknUNSPUNSPUNSP
502003-04-17 08:30PDTYesDRSUSGS15.31.470.010.80FairClearNONE1Imported Channel 1WADEunspeunkno15.316.76.872.23UNSPUNSPUNSPunknUNSPUNSPUNSP
492003-04-10 11:55PDTYesDJPUSGS10.71.340.030.50FairClearNONE1Imported Channel 1WADEunspeunkno10.710.04.962.16UNSPUNSPUNSPunknUNSPUNSPUNSP
482003-03-18 12:20PSTYesDJPUSGS25.91.28-0.010.50PoorClearNONE1Imported Channel 1WADEunspeunkno25.919.59.662.68UNSPUNSPUNSPunknUNSPUNSPUNSP
472003-03-12 14:15PSTYesDJPUSGS1.931.410.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno1.9312.04.840.40UNSPUNSPUNSPunknUNSPUNSPUNSP
462003-02-26 11:35PSTYesDJPUSGS2.401.430.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno2.4012.56.320.38UNSPUNSPUNSPunknUNSPUNSPUNSP
452003-02-18 15:25PSTYesJAUSGS2.211.40-0.010.50FairClearNONE1Imported Channel 1WADEunspeunkno2.218.102.081.06UNSPUNSPUNSPunknUNSPUNSPUNSP
442003-02-13 16:30PSTYesJAUSGS1211.67-0.020.50PoorClearNONE1Imported Channel 1WADEunspeunkno12154.529.24.14UNSPUNSPUNSPunknUNSPUNSPUNSP
432003-02-05 13:10PSTYesDJPUSGS0.531.070.000.30PoorClearNONE1Imported Channel 1WADEunspeunkno0.532.200.471.13UNSPUNSPUNSPunknUNSPUNSPUNSP
422003-01-10 13:40PSTYesDJPUSGS0.571.100.000.20PoorClearNONE1Imported Channel 1WADEunspeunkno0.572.300.531.08UNSPUNSPUNSPunknUNSPUNSPUNSP
412002-12-09 13:25PSTYesDJPUSGS0.201.010.000.20PoorClearNONE1Imported Channel 1WADEunspeunkno0.202.500.410.49UNSPUNSPUNSPunknUNSPUNSPUNSP
40C2002-11-22 12:00PSTYesKLS/DJPUSGS20004.03 PoorClearNONE1Imported Channel 1OTHRQIDIR 2000 UNSPUNSPUNSPunknUNSPUNSPUNSP
40B2002-11-22 12:00PSTYesKLS/DJPUSGS15003.63 PoorClearNONE1Imported Channel 1OTHRQIDIR 1500 UNSPUNSPUNSPunknUNSPUNSPUNSP
40A2002-11-22 12:00PSTYesKLS/DJPUSGS10003.19 PoorClearNONE1Imported Channel 1OTHRQIDIR 1000 UNSPUNSPUNSPunknUNSPUNSPUNSP
402002-11-05 13:40PSTYesDJPUSGS0.060.980.000.20PoorClearNONE1Imported Channel 1WADEunspeunkno0.061.900.210.29UNSPUNSPUNSPunknUNSPUNSPUNSP
392002-10-02 10:25PDTYesDJPUSGS0.271.040.000.10PoorClearNONE1Imported Channel 1WADEunspeunkno0.272.200.360.75UNSPUNSPUNSPunknUNSPUNSPUNSP
382002-09-27 11:45PDTYesDJP/DRSUSGS0.221.040.000.20PoorClearNONE1Imported Channel 1WADEunspeunkno0.223.100.410.54UNSPUNSPUNSPunknUNSPUNSPUNSP
371992-02-18 13:30PSTYesJAUSGS31.7 FairClearNONE1Imported Channel 1WADEunspeunkno31.724.512.92.46UNSPUNSPUNSPunknUNSPUNSPUNSP
361992-01-10 11:15PSTYesJAUSGS4.37 FairClearNONE1Imported Channel 1WADEunspeunkno4.3710.03.931.11UNSPUNSPUNSPunknUNSPUNSPUNSP
351991-12-06 11:10PSTYesJAUSGS2.34 FairClearNONE1Imported Channel 1WADEunspeunkno2.345.501.691.38UNSPUNSPUNSPunknUNSPUNSPUNSP
341991-11-14 10:15PSTYesJAUSGS2.61 FairClearNONE1Imported Channel 1WADEunspeunkno2.617.602.041.28UNSPUNSPUNSPunknUNSPUNSPUNSP
331991-10-01 12:25PDTYesJAUSGS2.93 FairClearNONE1Imported Channel 1WADEunspeunkno2.9311.43.140.93UNSPUNSPUNSPunknUNSPUNSPUNSP
321991-08-16 09:30PDTYesJAUSGS5.19 FairClearNONE1Imported Channel 1WADEunspeunkno5.1910.03.441.51UNSPUNSPUNSPunknUNSPUNSPUNSP
311991-07-10 09:15PDTYesJAUSGS8.03 FairClearNONE1Imported Channel 1WADEunspeunkno8.0313.05.371.50UNSPUNSPUNSPunknUNSPUNSPUNSP
301991-06-11 10:05PDTYesJAUSGS14.3 FairClearNONE1Imported Channel 1WADEunspeunkno14.317.57.891.81UNSPUNSPUNSPunknUNSPUNSPUNSP
291991-05-06 10:05PDTYesJAUSGS21.5 FairClearNONE1Imported Channel 1WADEunspeunkno21.519.38.932.41UNSPUNSPUNSPunknUNSPUNSPUNSP
281991-04-03 11:25PSTYesJAUSGS1.64 FairClearNONE1Imported Channel 1WADEunspeunkno1.646.501.960.84UNSPUNSPUNSPunknUNSPUNSPUNSP
271991-03-04 15:10PSTYesJAUSGS10.8 FairClearNONE1Imported Channel 1WADEunspeunkno10.815.05.581.94UNSPUNSPUNSPunknUNSPUNSPUNSP
261991-01-31 11:10PSTYesJAUSGS0.53 PoorClearNONE1Imported Channel 1WADEunspeunkno0.532.700.920.58UNSPUNSPUNSPunknUNSPUNSPUNSP
251991-01-07 12:00PSTYesJAUSGS0.53 PoorClearNONE1Imported Channel 1WADEunspeunkno0.532.850.950.56UNSPUNSPUNSPunknUNSPUNSPUNSP
241990-12-07 10:40PSTYesJAUSGS0.52 FairClearNONE1Imported Channel 1WADEunspeunkno0.522.600.910.57UNSPUNSPUNSPunknUNSPUNSPUNSP
231990-11-07 12:40PSTYesJAUSGS0.10 GoodClearNONE1Imported Channel 1OTHRQFLUM 0.10 UNSPUNSPUNSPunknUNSPUNSPUNSP
221990-10-02 10:45PDTYesJAUSGS0.26 FairClearNONE1Imported Channel 1OTHRQFLUM 0.26 UNSPUNSPUNSPunknUNSPUNSPUNSP
211990-09-06 10:55PDTYesJAUSGS0.38 FairClearNONE1Imported Channel 1WADEunspeunkno0.382.200.420.90UNSPUNSPUNSPunknUNSPUNSPUNSP
201990-07-12 09:05PDTYesJAUSGS2.08 FairClearNONE1Imported Channel 1WADEunspeunkno2.086.202.450.85UNSPUNSPUNSPunknUNSPUNSPUNSP
191990-06-06 09:55PDTYesJAUSGS2.13 FairClearNONE1Imported Channel 1WADEunspeunkno2.137.703.030.70UNSPUNSPUNSPunknUNSPUNSPUNSP
181990-05-07 11:00PDTYesJAUSGS2.44 FairClearNONE1Imported Channel 1WADEunspeunkno2.4414.05.530.44UNSPUNSPUNSPunknUNSPUNSPUNSP
171990-04-03 11:25PDTYesJAUSGS3.10 FairClearNONE1Imported Channel 1WADEunspeunkno3.106.102.711.14UNSPUNSPUNSPunknUNSPUNSPUNSP
161990-03-05 15:20PSTYesJAUSGS3.27 FairClearNONE1Imported Channel 1WADEunspeunkno3.2716.07.480.44UNSPUNSPUNSPunknUNSPUNSPUNSP
151990-02-07 11:20PSTYesJAUSGS1.23 FairClearNONE1Imported Channel 1WADEunspeunkno1.237.202.260.54UNSPUNSPUNSPunknUNSPUNSPUNSP
141990-01-02 12:00PSTYesJAUSGS0.93 FairClearNONE1Imported Channel 1WADEunspeunkno0.933.301.630.57UNSPUNSPUNSPunknUNSPUNSPUNSP
131989-12-06 15:10PSTYesJAUSGS1.28 PoorClearNONE1Imported Channel 1WADEunspeunkno1.285.802.050.62UNSPUNSPUNSPunknUNSPUNSPUNSP
121989-11-06 14:00PSTYesJAUSGS1.76 0.000.60PoorClearNONE1Imported Channel 1WADEunspeunkno1.767.002.070.85UNSPUNSPUNSPunknUNSPUNSPUNSP
111989-10-12 09:40PDTYesJAUSGS2.01 0.000.80FairClearNONE1Imported Channel 1WADEunspeunkno2.017.002.530.79UNSPUNSPUNSPunknUNSPUNSPUNSP
101989-09-06 10:36PDTYesTHUSGS2.13 PoorClearNONE1Imported Channel 1WADEunspeunkno2.1316.54.630.46UNSPUNSPUNSPunknUNSPUNSPUNSP
91989-07-25 12:20PDTYesJAUSGS3.55 0.000.70FairClearNONE1Imported Channel 1WADEunspeunkno3.5516.56.470.55UNSPUNSPUNSPunknUNSPUNSPUNSP
81989-07-03 11:35PDTYesJAUSGS4.06 0.000.40FairClearNONE1Imported Channel 1WADEunspeunkno4.0616.87.370.55UNSPUNSPUNSPunknUNSPUNSPUNSP
71989-06-05 12:20PDTYesJAUSGS6.06 0.000.50FairClearNONE1Imported Channel 1WADEunspeunkno6.0618.08.270.73UNSPUNSPUNSPunknUNSPUNSPUNSP
61989-05-09 13:25PDTYesJAUSGS8.52 0.000.60FairClearNONE1Imported Channel 1WADEunspeunkno8.5217.09.340.91UNSPUNSPUNSPunknUNSPUNSPUNSP
51989-04-11 10:00PDTYesJAUSGS13.0 0.000.40FairClearNONE1Imported Channel 1WADEunspeunkno13.017.08.921.46UNSPUNSPUNSPunknUNSPUNSPUNSP
41989-01-31 14:10PSTYesJAUSGS5.84 0.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno5.8416.59.670.60UNSPUNSPUNSPunknUNSPUNSPUNSP
31989-01-04 10:45PSTYesJAUSGS5.73 0.000.40FairClearNONE1Imported Channel 1WADEunspeunkno5.7318.08.510.67UNSPUNSPUNSPunknUNSPUNSPUNSP
21988-12-12 15:05PSTYesJAUSGS4.42 0.000.40FairClearNONE1Imported Channel 1WADEunspeunkno4.4213.06.280.70UNSPUNSPUNSPunknUNSPUNSPUNSP
11988-11-02 16:05PSTYesJAUSGS4.73 0.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno4.7313.06.050.78UNSPUNSPUNSPunknUNSPUNSPUNSP