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Streamflow Measurements for the Nation


USGS 11526500 NF TRINITY R A HELENA CA


Trinity County, California
Hydrologic Unit Code 18010211
Latitude  40°46'55", Longitude 123°07'38" NAD27
Drainage area 151  square miles
Gage datum 1,460.00 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
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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
 
982019-09-30 11:10:15PDTYesBJL/JEF/KCSUSGS43.43.710.011.00Fair NONE
972019-08-12 15:10:52PDTYesBJL/CATUSGS58.73.780.000.85GoodClearNONE
962019-07-09 09:40:53PDTYesBJL/CATUSGS1574.200.020.22GoodClearNONE
952019-05-22 09:10:53PDTYesBJL/CATUSGS6815.540.000.25GoodClearNONE
942019-04-01 11:53:22PDTYesJEF/KCSUSGS9065.900.010.20GoodClearNONE
932018-10-31 08:35:01PDTYesBAPUSGS20.63.66 GoodVegetationModerateNONE
922018-08-23 08:32:14PDTYesBAPUSGS18.63.61 FairVegetationLightNONE
912018-06-25 11:19:50PDTYesBAPUSGS72.13.910.000.80GoodClearNONE
902018-05-08 07:51:25PDTYesBAPUSGS3784.88 GoodScourControlChangedNONE
892018-03-29 10:07:30PDTYesBAPUSGS5965.51 GoodClearNONE
882017-11-01 09:55PDTYesBAPUSGS40.83.990.000.40FairClearNONE
872017-10-02 08:17:30PDTYesBAPUSGS32.83.960.000.50FairClearNONE
862017-08-16 11:01:20PDTYesBAPUSGS51.44.030.000.25FairFillControlChangedNONE
852017-07-17 08:55:27PDTYesBAPUSGS1264.260.010.25GoodClearNONE
842017-06-01 12:20:53PDTYesJEF/EYSUSGS5175.330.000.20GoodClearNONE
832017-05-16 09:15:23PDTYesBAP/EYSUSGS4885.320.000.25GoodClearNONE
822016-11-02 10:12:56PDTYesCAT/BAPUSGS7865.600.010.20FairClearNONE
812016-10-18 08:58:15PDTYesCAT/TJRUSGS5034.990.000.30GoodClearNONE
802016-09-29 10:20:30PDTYesCAT/JEFUSGS18.03.440.000.60FairClearNONE
792016-08-29 10:46PDTYesCAT/JEFUSGS23.63.480.000.60FairClearNONE
782016-07-11 10:24:30PDTYesCAT/PMMUSGS78.83.850.000.80FairClearNONE
772016-06-09 09:19:30PDTYesCAT/JEFUSGS2654.470.021.00GoodClearNONE
762016-05-02 10:56:28PDTYesCAT/JEFUSGS3804.730.000.20GoodClearNONE
752016-04-05 11:30:12PDTYesCAT/JEFUSGS7275.510.000.20GoodClearNONE
742015-11-02 12:59PSTYesCATUSGS45.14.000.000.80FairDebrisModerateNONE
732015-09-15 08:41PDTYesCAT/TJRUSGS17.93.800.000.70FairVegetationLightNONE
722015-07-23 10:01:32PDTYesCAT/BAPUSGS30.63.890.000.40FairClearNONE
712015-06-10 08:01:41PDTYesCAT/JEFUSGS1424.340.010.20GoodDebrisHeavyNONE
702015-05-04 11:54:52PDTYesCAT/JEFUSGS1554.340.010.30GoodClearNONE
692015-03-31 13:20:30PDTYesCAT/JEFUSGS2304.600.010.70FairClearNONE
682015-03-31 12:30:16PDTYesCAT/JEFUSGS2454.600.010.30GoodClearNONE
672014-11-03 13:02:30PSTYesTJRUSGS1504.020.010.80PoorClearNONE
662014-10-17 09:48PDTYesCAT/JEFUSGS34.73.560.000.60PoorDebrisLightNONE
652014-09-30 12:55:24PDTYesJEF/BAPUSGS26.53.490.000.50FairClearNONE
642014-08-20 10:08:49PDTYesCAT/JEFUSGS15.53.400.000.30PoorDebrisLightNONE
632014-07-25 12:33PDTYesCAT/BWTUSGS25.93.460.000.60PoorClearNONE
622014-07-17 08:34:29PDTYesCAT/BAPUSGS23.43.450.000.20PoorClearNONE
612014-06-03 08:39:30PDTYesCAT/BAPUSGS95.73.820.010.60FairUnspecifedNONE
602014-04-21 10:26:18PDTYesCAT/JEFUSGS2304.300.000.20GoodClearNONE
592014-04-10 10:31:17PDTYesCAT/BAPUSGS4594.900.000.20GoodClearNONE
582014-04-01 11:20:09PDTYesCAT/TJRUSGS6535.34-0.01 GoodClearNONE
572013-11-01 11:50:30PDTYesBAPUSGS28.73.630.000.50PoorDebrisLightNONE
562013-09-10 11:36PDTYesBAP/JJLUSGS22.43.490.010.60FairClearNONE
552013-07-25 16:44:46PDTYesBAP/JJLUSGS30.73.620.000.20FairClearNONE
542013-06-12 14:12:02PDTYesJJL/TJRUSGS1393.92 FairClearNONE
532013-05-07 12:05:57PDTYesBAP/JJLUSGS4444.880.010.20GoodClearNONE
522013-03-27 14:17PDTYesBAP/JJLUSGS3874.760.000.20FairClearNONE
512012-11-02 08:47:30PDTYesJEFUSGS90.83.550.000.40FairClearNONE
502012-10-05 10:26PDTYesJEFUSGS23.72.970.000.70PoorClearNONE
492012-08-14 09:03PDTYesJEF/CATUSGS39.63.140.000.60GoodClearNONE
482012-07-11 11:17:30PDTYesJEF/JJLUSGS1213.720.000.20GoodClearNONE
472012-06-06 08:42:30PDTYesJEF/CATUSGS2654.400.010.20GoodClearNONE
462012-05-03 11:06:30PDTYesJEF/JJLUSGS7505.580.010.20GoodClearNONE
452012-03-26 12:22:30PDTYesJEF/JJLUSGS6735.430.020.20GoodClearNONE
442010-11-01 15:17PDTYesTJRUSGS5135.06-0.020.20GoodClearNONE
432010-10-04 11:29:30PDTYesARGUSGS34.63.360.000.40FairDebrisLightNONE
422010-09-08 08:26:30PDTYesARGUSGS38.73.390.000.40FairClearNONE
412010-08-03 11:19PDTYesARG/JJLUSGS92.23.700.000.30FairClearNONE
402010-06-28 08:53PDTYesARG/CAJUSGS5535.140.010.20GoodClearNONE
392010-05-19 10:23:30PDTYesARG/TAUSGS8395.600.010.30PoorClearNONE
382010-05-04 11:02:30PDTYesARG/JEFUSGS10805.960.010.10PoorClearNONE
372010-03-30 09:58PDTYesARG/JEFUSGS9605.910.000.10FairClearNONE
362009-11-02 08:21:30PSTYesARGUSGS40.53.400.000.40PoorDebrisLightNONE
352009-10-09 08:39:30PDTYesARGUSGS25.43.270.000.40PoorDebrisLightNONE
342009-09-09 08:29PDTYesARGUSGS22.73.280.010.30PoorDebrisLightNONE
332009-08-03 08:12PDTYesARGUSGS41.43.380.000.40FairClearNONE
322009-06-23 12:19:30PDTYesARG/CAJUSGS1283.910.000.20FairClearNONE
312009-06-03 10:24PDTYesCAJ/ARGUSGS2984.540.010.10GoodClearNONE
302009-05-05 10:09:30PDTYesJEF/ARGUSGS25207.840.010.20PoorClearNONE
292009-03-31 10:57PDTYesCAJ/RAGUSGS4795.030.000.10FairClearNONE
282008-11-13 09:40PSTYesCAJ/RAGUSGS3224.570.000.10FairClearNONE
272008-10-02 07:34PDTYesRAGUSGS24.13.200.000.40FairClearNONE
262008-09-10 09:59PDTYesRAG/CAJUSGS25.73.220.000.40FairClearNONE
252008-08-04 05:50PDTYesRAGUSGS44.13.300.000.40FairClearNONE
242008-07-01 08:09PDTYesRAG/CAJUSGS1793.980.000.40FairClearNONE
232008-06-10 08:21PDTYesRAGUSGS3804.67-0.030.60FairClearNONE
222008-05-05 08:16PDTYesRAGUSGS6975.500.010.70FairClearNONE
212008-04-03 09:40PDTYesCAJ/RAGUSGS4374.890.020.90FairClearNONE
202007-11-02 10:28PDTYesCAJ/RAGUSGS83.83.590.000.80FairClearNONE
192007-10-03 08:05PDTYesRAGUSGS30.23.210.000.50FairClearNONE
182007-09-05 10:23PDTYesCAJ/JEFUSGS27.13.190.000.90FairClearNONE
172007-08-01 12:56PDTYesCAJ/JEFUSGS38.63.270.000.60PoorClearNONE
162007-07-02 12:45PDTYesJEFUSGS76.73.520.010.70FairClearNONE
152007-06-01 11:52PDTYesJEFUSGS2374.230.000.40GoodClearNONE
142007-04-11 09:54PDTYesCAJ/JEFUSGS3174.500.020.80GoodClearNONE
132007-03-30 10:39PDTYesJEF/LAPUSGS3584.660.010.70GoodClearNONE
122005-10-03 09:00PDTYesJEFUSGS36.83.000.000.40GoodClearNONE
112005-09-06 09:10PDTYesJEFUSGS37.43.010.000.50GoodClearNONE
102005-08-03 07:15PDTYesJEFUSGS80.33.370.000.50GoodClearNONE
92005-06-28 10:00PDTYesJEFUSGS4004.64-0.010.40GoodClearNONE
82005-05-04 07:55PDTYesLAPUSGS6275.120.000.70GoodClearNONE
72005-04-14 09:00PDTYesLAPUSGS7015.290.010.80GoodClearNONE
62005-03-03 07:55PSTYesLAPUSGS4544.700.000.60GoodClearNONE
52005-02-04 09:10PSTYesLAPUSGS5084.830.010.60GoodClearNONE
42005-01-12 10:00PSTYesLAPUSGS2524.110.000.60GoodClearNONE
32004-12-07 13:15PSTYesLAPUSGS83.73.380.010.60GoodClearNONE
22004-11-05 10:35PSTYesLAPUSGS84.43.370.000.60GoodClearNONE
12004-10-14 09:25PDTYesLAP/MFFUSGS24.02.880.000.50FairClearNONE