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Streamflow Measurements for the Nation


USGS 11458600 NATHANSON C A SONOMA CA


Sonoma County, California
Hydrologic Unit Code 18050002
Latitude  38°16'51", Longitude 122°27'21" NAD83
Drainage area 4.5  square miles
Gage datum 55.12 feet above NAVD88
Output formats
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HTML table without channel data
Tab-separated data with 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
 
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)
692024-03-14 16:59:30PDTYesKDAVIDEKUSGS5.850.930.000.50FairDebrisLightNONE1MainWADEQSCMMVADV5.858.203.001.95SOFTSANDUNEVPULSUNEVSTNDUPST14.00
682024-03-14 15:43:24PDTYesKDAVIDEKUSGS5.760.950.000.50FairDebrisLightNONE1MainWADEQSCMMVADV5.768.403.231.78SOFTSANDUNEVPULSUNEVSTNDUPST15.00
672024-02-19 11:47:41PSTYesdrparker/jmcUSGS85.12.82 Poor NONE1MAINBRUSQADCPVADCP85.122.252.11.64FIRMSANDEVENPULSEVENNSTDUPST100.00
662024-01-29 14:13:31PSTYesJMCHANUSGS6.701.080.000.50PoorDebrisModerateNONE1mainWADEQSCMMVADV6.7011.86.780.99SOFTSANDEVENPULSEVENUNKNUPST10.00
652023-12-21 11:12:48PSTYesJMCHANUSGS0.900.770.000.50PoorVegetationHeavyNONE1checkWADEQSCMMVADV0.905.202.490.36SOFTsiltUNEVPULSEVENUNKNUPST15.00
642023-12-21 10:38:55PSTYesJMCHANUSGS0.920.770.000.40PoorVegetationHeavyNONE1MAINWADEQSCMMVADV0.926.002.990.31SOFTsiltEVENPULSEVENUNKNUPST10.00
632023-11-17 10:10:30PSTYesJMCHAN, KDAVUSGS0.00 Excellent NONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
622023-09-25 13:08PDTYesIKARAMITUSGS0.00 Excellent NONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
612023-05-10 13:07:09PDTYesDEHLERSUSGS0.290.48 PoorVegetationHeavyNONE1MAIN 2WADEQSCMMVADV0.295.902.420.12SOFTCBLSUNEVPULSUNEVUNKNDNST75.00
602023-05-10 12:39:36PDTYesDEHLERSUSGS0.280.48 PoorVegetationHeavyNONE1MAIN 1WADEQSCMMVADV0.285.802.350.12SOFTCBLSUNEVPULSUNEVUNKNDNST75.00
592023-04-17 14:29:53PDTYesDEHLERSUSGS0.570.50 PoorVegetationModerateNONE1MAINWADEQSCMMVADV0.575.902.380.24FIRMCBLSUNEVPULSUNEVUNKNDNST80.00
582023-03-09 13:44:32PSTYesDEHLERSUSGS9.621.07 FairDebrisLightNONE1MAINWADEQSCMMVADV9.6214.511.60.83FIRMGRVLUNEVPULSUNEVUNKNDNST80.00
572023-01-25 15:54:45PSTYesDEHLERSUSGS3.360.76 FairDebrisLightNONE1MAINWADEQSCMMVADV3.3613.410.20.33SOFTGRVLUNEVPULSUNEVUNKNDNST60.00
562023-01-04 11:23:30PSTYesWELUKAS/DEHLUSGS22.81.660.120.80PoorDebrisModerateNONE1mainWADEQSCMMVADV22.818.525.50.90FIRMGRVLEVENPULSEVENSTNDDNST80.00
552022-12-02 13:59:47PSTYesDEHLERSUSGS0.080.42 PoorVegetationHeavyNONE1MAIN 2WADEQSCMMVADV0.083.100.800.09FIRMGRVLUNEVPULSUNEVUNKNDNST100.00
542022-12-02 13:43:32PSTYesDEHLERSUSGS0.080.42 PoorVegetationHeavyNONE1MAIN 1WADEQSCMMVADV0.083.100.920.08FIRMGRVLUNEVPULSUNEVUNKNDNST100.00
532022-10-26 14:32:30PDTYesDEHLERSUSGS0.00 ExcellentDebrisHeavyNONE1MAINOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
522022-06-03 09:59PDTYesIKARAMITSOSUSGS0.00 Unknown NONE1Mainunknother 0.00 unknunknunknunknunknUNKNunkn
512022-04-22 13:04:30PDTYesIKARAMITSOSUSGS0.350.47 PoorDebrisHeavyNONE1mainWADEQSCMMVADV0.355.803.800.09FIRMGRVLUNEVPULSUNEVNSTDUPST30.00
502022-03-11 10:41:24PSTYesIKARAMITSOSUSGS0.160.44 PoorVegetationModerateNONE1mainWADEQSCMMVADV0.165.202.310.07FIRMGRVLUNEVPULSUNEVNSTDUPST18.00
492022-01-24 11:46:35PSTYesIKARAMITSOSUSGS0.600.52 PoorDebrisHeavyNONE1MainWADEQSCMMVADV0.606.203.340.18FIRMCBLSUNEVPULSUNEVNSTDUPST15.00
482021-12-14 16:44:52PSTYesIKARAMITSOSUSGS48.91.93 FairDebrisHeavyNONE1MainWADEQSCMMVADV48.920.017.82.75FIRMGRVLUNEVPULSUNEVNSTDUPST15.00
472021-12-14 15:50:08PSTYesIKARAMITSOSUSGS46.61.96 FairDebrisHeavyNONE1MainWADEQSCMMVADV46.619.020.22.31FIRMGRVLUNEVPULSUNEVNSTDUPST10.00
462021-10-29 12:26:04PDTYesIKARAMITSOSUSGS1.480.71 PoorDebrisModerateNONE1MainWADEQSCMMVADV1.484.602.250.66FIRMGRVLUNEVPULSUNEVNSTDUPST25.00
452021-10-29 11:42:24PDTYesIKARAMITSOSUSGS1.540.72 PoorDebrisModerateNONE1MainWADEQSCMMVADV1.545.502.550.60FIRMGRVLUNEVPULSUNEVNSTDUPST30.00
442021-09-28 17:00PDTYesIKARAMITSOSUSGS0.00 Excellent NONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
432021-05-06 12:54PDTYesILKUSGS0.00 Excellent NONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
422021-03-30 16:50:45PDTYesIKARAMITSOSUSGS0.090.41 PoorDebrisHeavyNONE1mainWADEQSCMMVADV0.095.901.220.08FIRMGRVLUNEVPULSUNEVNSTDDNST80.00
412021-02-18 09:33:36PSTYesILKUSGS0.170.43 FairDebrisHeavyNONE1mainWADEQSCMMVADV0.176.301.460.12FIRMGRVLUNEVPULSUNEVNSTDDNST100.00
402021-01-28 12:49:55PSTYesILK & LSAUSGS1.240.67 PoorDebrisHeavyNONE1mainWADEQSCMMVADV1.247.202.780.45FIRMGRVLUNEVPULSUNEVNSTDDNST90.00
392021-01-28 12:14:29PSTYesILKUSGS1.370.70 PoorDebrisHeavyNONE1mainWADEQSCMMVADV1.375.701.730.79FIRMGRVLUNEVPULSUNEVNSTDDNST95.00
382021-01-04 13:40:25PSTYesILKUSGS1.470.81 PoorDebrisHeavyNONE1mainWADEQSCMMVADV1.4711.518.50.08FIRMsiltUNEVPULSUNEVNSTDDNST120.00
372021-01-04 12:11:52PSTYesILKUSGS2.480.92 PoorDebrisHeavyNONE1mainWADEQSCMMVADV2.4816.519.20.13FIRMGRVLUNEVPULSUNEVNSTDUPST70.00
362020-11-23 14:10PSTYesILKUSGS0.00 Excellent NONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
352020-10-13 13:55:30PDTYesILKUSGS0.00 Excellent NONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
342020-05-01 11:49:05PDTYesILKUSGS0.070.37 PoorDebrisHeavyNONE1mainWADEQSCMMVADV0.0711.04.530.01FIRMGRVLUNEVPULSUNEVNSTDUPST200.00
332020-03-25 09:58:32PDTYesMPCUSGS0.300.42 FairVegetationHeavyNONE1MainWADEQSCMMVADV0.306.603.630.08FIRMGRVLUNEVPULSUNEVUNKNDNST30.00
322020-02-07 08:45:17PSTYesMPCUSGS0.460.46 FairDebrisModerateNONE1MainWADEQSCMMVADV0.468.203.750.12FIRMGRVLUNEVPULSUNEVUNKNDNST30.00
312020-01-10 10:00:45PSTYesMPCUSGS0.530.48 PoorDebrisHeavyNONE1CheckWADEQSCMMVADV0.537.503.750.14FIRMGRVLUNEVPULSUNEVUNKNDNST35.00
302020-01-10 08:46:20PSTYesMPCUSGS0.520.48 PoorDebrisHeavyNONE1MainWADEQSCMMVADV0.526.601.960.27FIRMGRVLUNEVPULSUNEVUNKNDNST80.00
292019-11-18 11:02:30PSTYesMPCUSGS0.00 ExcellentNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
282019-09-26 14:00PDTYesMPCUSGS0.00 ExcellentNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
272019-06-14 09:58:55PDTYesMPRUSGS0.270.42 PoorDebrisModerateNONE1CheckWADEQSCMMVADV0.279.503.610.08FIRMCBLSUNEVPULSUNEVNSTDUPST110.00
262019-06-14 08:46:11PDTNo
252019-04-22 14:02PDTYesWDRUSGS0.560.550.010.33PoorDebrisModerateNONE1MAINWADEQSCMMVADV0.564.101.400.40FIRMGRVLEVENSTDYEVENSTNDUPST35.00
242019-03-11 17:02PDTYesWDRUSGS15.91.190.010.70FairDebrisLightNONE1MAINWADEQSCMMVADV15.910.77.442.14FIRMGRVLEVENPULSEVENSTNDUPST35.00
232019-01-31 17:28:30PSTYesWDRUSGS1.940.65 FairClearNONE1MAINWADEQSCMMVADV1.945.602.400.81FIRMGRVLEVENSTDYEVENSTNDUPST40.00
222018-12-11 10:04PSTYesWDRUSGS0.300.440.000.90PoorDebrisLightNONE1MAINWADEQSCMMVADV0.306.501.840.16FIRMSANDEVENSTDYUNEVUNKNUPST35.00
212018-10-22 16:50:30PDTYesWDRUSGS0.00 Excellent NONE1MAINOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
202018-09-28 10:40:03PDTYesWEL/KLDUSGS0.00 ExcellentNoFlowNONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
192018-05-01 11:49:26PDTYesWELUSGS0.400.460.000.50PoorDebrisHeavyNONE1MainWADEQSCMMVADV0.408.502.810.14SOFTGRVLEVENPULSEVENSTNDDNST45.00
182018-04-06 11:14:31PDTYesWELUSGS29.31.720.070.50FairDebrisModerateNONE1mainWADEQSCMMVADV29.317.516.81.75SOFTGRVLEVENPULSEVENSTNDDNST45.00
172018-04-03 11:37:44PDTYesWELUSGS0.690.440.000.50PoorDebrisModerateNONE1mainWADEQSCMMVADV0.6910.74.460.15SOFTsiltEVENPULSUNEVSTNDDNST30.00
162018-03-16 11:38PDTYesWEL/WDRUSGS8.141.060.000.25PoorDebrisModerateNONE1mainWADEQSCMMVADV8.1410.86.281.30FIRMGRVLUNEVPULSEVENSTNDUPST160.00
152018-03-16 11:26:27PDTYesWEL/WDRUSGS7.771.060.00 FairDebrisModerateNONE1mainWADEQSCMMVADV7.7718.514.60.53SOFTGRVLEVENPULSEVENSTNDDNST60.00
142018-02-26 11:32:36PSTYesWELUSGS0.390.380.000.40PoorDebrisModerateNONE1mainWADEQSCMMVADV0.397.602.980.13SOFTGRVLEVENPULSEVENUNFMDNST55.00
132018-01-10 12:16:57PSTYesWELUSGS1.020.49-0.010.50FairScourControlChangedNONE1mainWADEQSCMMVADV1.029.205.000.20FIRMGRVLEVENPULSEVENSTNDDNST100.00
122017-11-29 12:03:45PSTYesWELUSGS0.020.320.000.15FairDebrisModerateNONE1mainOTHRQFLUM 0.02 FIRMGRVLEVENPULSEVENUNKNDNST120.00
112017-10-23 14:35PDTYesWELUSGS0.00 0.000.00Excellent NONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
102017-09-29 14:34PDTYesWELUSGS0.00 0.000.00Excellent NONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPUNSP0.00
92017-05-03 14:43PDTYesWELUSGS0.640.430.000.40PoorFillControlChangedNONE1MainWADEQSCMMVADV0.646.052.750.23FIRMBLDRUNEVPULSUNEVSTNDUPST150.00
82017-03-22 14:59PDTYesWEL/MJWUSGS8.160.89-0.010.80GoodDebrisHeavyNONE1mainWADEQSCMMVADV8.1611.17.361.11FIRMLDGEEVENunknEVENSTNDUPST150.00
72017-01-27 12:06PSTYesWELUSGS10.70.990.000.60FairDebrisHeavyNONE1MainWADEQSCMMVADV10.711.57.721.38FIRMLDGEEVENunknEVENSTNDUPST150.00
62017-01-08 09:39:03PSTYesDRP/MJWUSGS3094.68 PoorDebrisHeavyNONE1MainCWAYQADCPVADCP30926.277.14.01UNSPGRVLEVENunknEVENUNFMUPST25.00
52017-01-04 13:46PSTYesDCM/MJWUSGS36.31.64-0.020.80FairDebrisHeavyNONE12nd MeasurementWADEQSCMMVADV36.314.224.31.49SOFTSANDEVENunknEVENSTNDUPST200.00
42017-01-04 10:18PSTYesDCM/MJWUSGS44.21.81-0.030.60FairDebrisHeavyNONE11st MeasurementWADEQSCMMVADV44.214.125.71.72FIRMGRVLEVENunknEVENSTNDUPST200.00
32016-11-29 11:52:30PSTYesDSMUSGS0.280.440.000.30PoorDebrisModerateNONE11WADEQSCMMVADV0.285.401.080.27FIRMGRVLEVENunknEVENSTNDDNST50.00
22016-10-17 11:17:30PDTYesWelUSGS0.100.38-0.010.50PoorFillControlChangedNONE1CheckWADEQSCMMVADV0.109.107.590.01FIRMGRVLUNEVunknUNEVSTNDUPST135.00
12016-10-17 10:37PDTYesWelUSGS0.110.390.00 PoorFillControlChangedNONE1mainWADEQSCMMVADV0.113.701.310.08SOFTsiltUNEVunknUNSPNSTDUPST10.00