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Streamflow Measurements for the Nation


USGS 11337000 CONTRA COSTA CN NR OAKLEY CA
Contra Costa County, California
Hydrologic Unit Code 18040003
Latitude  37°59'44", Longitude 121°42'03" NAD27
Gage datum 20 feet above NGVD29
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
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 
1632025-09-18 10:48:12PDTYesJRGRANTUSGS17.3 PoorDebrisLightNONE
1622024-09-26 10:56:40PDTYesJRGRANTUSGS166 FairVegetationLightNONE
1612023-09-15 09:55:30PDTYesJRGRANTUSGS0.00 ExcellentNoFlowNONE
1602022-07-27 11:18:31PDTYesKBARRIOS/JRGUSGS40.7 PoorVegetationModerateNONE
1592022-07-27 10:35:44PDTYesKBARRIOS/JRGUSGS35.0 PoorVegetationModerateNONE
1582021-09-29 11:10:53PDTYesJRGRANTUSGS36.4 FairVegetationHeavyNONE
1572021-09-29 10:32:31PDTNo
1562021-08-18 10:34:30PDTYesJRGRANTUSGS0.00 UnspecifiedVegetationHeavyNONE
1552018-03-27 11:07:47PDTYesJDJUSGS32.28.040.040.25FairVegetationLightNONE
1542016-08-16 10:16:59PDTYesMHWUSGS57.3 Good NONE
1532016-06-21 10:30:16PDTYesMHWUSGS112 Fair NONE
1522015-08-27 10:34PDTYesMHWUSGS58.7 Poor NONE
1512015-07-07 10:51:08PDTYesMHWUSGS28.7 1.30Poor NONE
1502014-02-26 13:24:58PSTYesMHW/LJFUSGS22.7 0.70Poor NONE
1492013-09-06 11:33:30PDTYesNWS/LJFUSGS30.9 1.30Poor NONE
1482013-09-06 10:01:30PDTYesNWS/LJFUSGS29.8 1.30Poor NONE
1472013-08-22 09:46:39PDTYesMHW/LJFUSGS64.6 Fair NONE
1462012-07-12 12:52PDTYesMHW/LJFUSGS154 0.80Fair NONE
1452012-06-05 13:06PDTYesMHW/LJFUSGS149 0.90Fair NONE
1442011-09-01 09:32PDTYesMHW/LJFUSGS46.6 1.00Poor NONE
1432011-08-16 09:20PDTYesMHW/LJFUSGS31.2 1.20Poor NONE
1422008-09-05 13:24PDTYesdmsUSGS33.7 1.30PoorVegetationLightNONE
1412008-09-05 10:44PDTYesdmsUSGS33.7 1.30FairVegetationLightNONE
1402008-08-14 12:42PDTYesdmsUSGS64.4 FairVegetationLightNONE
1392008-08-14 10:44PDTYesdmsUSGS64.5 FairVegetationLightNONE
1382007-07-19 09:25PDTYesDMS/LJFUSGS214 Good NONE
1372006-09-13 09:40PDTYesMHW/LJFUSGS33.8 Good NONE
1362006-07-14 10:07PDTYesCDN/LJFUSGS76.5 0.501.00Good NONE
1352005-07-07 11:35PDTYesLJF/BTYUSGS76.37.240.100.80Fair NONE
1342005-07-07 09:02PDTYesLJF/BTYUSGS34.78.190.091.00Fair NONE
1332004-09-02 09:56PDTYesMHW/LJFUSGS36.08.020.191.10FairClearNONE
1322004-07-15 09:23PDTYesMHW/LJFUSGS2146.45 GoodClearNONE
1312002-09-16 09:46PDTYesLJF/JRSUSGS31.1 Good NONE
1302002-09-10 11:54PDTYesLJFUSGS30.1 Poor NONE
1292002-09-10 09:54PDTYesLJFUSGS32.4 Poor NONE
1282002-06-18 09:15PDTYesMDG/LJFUSGS175 GoodClearNONE
1272002-06-04 11:24PDTYesLJFUSGS170 GoodClearNONE
1262002-06-04 09:37PDTYesLJFUSGS184 GoodClearNONE
1252001-03-23 13:09PSTYesMHW/LJFUSGS36.4 PoorClearNONE
1242001-03-23 11:04PSTYesMHW/LJFUSGS111 GoodClearNONE
1232001-03-23 09:40PSTYesMHW/LJFUSGS192 GoodClearNONE
1222000-06-13 15:02PDTYesLJFUSGS33.3 Poor NONE
1212000-06-13 11:52PDTYesLJFUSGS183 0.000.90Good NONE
1202000-04-27 10:49PDTYesLJFUSGS33.9 GoodClearNONE
1192000-04-27 09:23PDTYesLJFUSGS32.9 GoodClearNONE
1181999-07-14 09:40PDTYesLJF/DAMUSGS246 GoodClearNONE
1171999-06-08 09:00PDTYesLJF/DHUSGS108 GoodClearNONE
1161998-06-23 09:15PDTYesLJF/DAMUSGS144 Good NONE
1151997-08-21 08:20PDTYesSWA/LJFUSGS181 GoodClearNONE
1141996-07-09 08:40PDTYesLJF/JLOUSGS240 GoodClearNONE
1131996-05-14 08:54PDTYesLJF/JLOUSGS168 GoodClearNONE
1121995-09-20 08:30PDTYesLJF/JLOUSGS144 ExcellentClearNONE
1111995-08-15 09:56PDTYesLJF/MGUSGS215 GoodClearNONE
1101994-09-08 11:17PDTYesSWA/LJFUSGS208 Good NONE
1091994-09-08 10:01PDTYesSWA/LJFUSGS142 Good NONE
1081994-09-08 08:47PDTYesSWA/LJFUSGS108 Good NONE
1071993-11-24 11:00PSTYesLJF/SWAUSGS68.1 GoodClearNONE
1061993-11-24 09:35PSTYesLJF/SWAUSGS136 GoodClearNONE
1051993-03-08 16:20PSTYesSWA/LJFUSGS65.2 GoodClearNONE
1041993-03-08 14:25PSTYesSWA/LJFUSGS166 GoodClearNONE
1031993-03-08 12:22PSTYesSWA/LJFUSGS91.4 GoodClearNONE
1021993-03-08 10:15PSTYesLJF/SWAUSGS65.4 GoodClearNONE
1011993-03-08 08:18PSTYesSWA/LJFUSGS28.9 PoorClearNONE