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Streamflow Measurements for the Nation


USGS 16816000 Umatac River at Umatac, Guam
Guam, Guam
Hydrologic Unit Code 22010000
Latitude  13°17'52.7", Longitude -144°39'54.8" NAD83
Drainage area 2.08  square miles
Gage datum 8 feet above LMSL
Output formats
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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)
3482011-10-18 11:09:30GSTYesCWY/BHSUSGS4.631.350.00 GoodClearNONE1umatacWADEQSCMMVPYG4.6310.46.070.76FIRMGRVLEVENunknEVENSTNDUPST200.00
3472011-07-06 13:29GSTYesCWY/DCNUSGS9.481.43-0.02 GoodClearNONE1Channel 1UNSPQSCMMVPYG9.4815.58.041.18UNSPUNSPUNSPunknUNSPUNSPUNSP
3462011-07-06 13:02:30GSTYesCWY/DCNUSGS10.41.47-0.040.40FairClearNONE1umatacWADEQSCMMVPYG10.415.68.291.25SOFTGRVLEVENunknEVENSTNDUPST200.00
3452011-07-05 14:02GSTYesCWY/DCNUSGS2.601.12 FairClearNONE1umatacWADEQSCMMVPYG2.605.503.140.83FIRMGRVLEVENunknEVENSTNDUPST100.00
3442011-04-07 14:02GSTYesCWY/VEKUSGS2.781.12 Fair NONE1umatacWADEQSCMMVPYG2.784.502.231.25FIRMGRVLEVENunknEVENSTNDUPST180.00
3432011-01-14 11:56GSTYesCWY/DCNUSGS3.910.840.00 GoodClearNONE1umatacWADEQSCMMVPYG3.914.903.561.10SOFTGRVLEVENunknEVENSTNDDNST100.00
3422010-10-20 15:05:30GSTYesCWY/MTJUSGS5.041.040.000.70FairUnspecifedNONE1Imported Channel 1WADEQSCMMVPYG5.046.904.991.01FIRMGRVLUNEVunknUNEVSTNDUPST100.00
3492010-06-11 16:01:30GSTYesMTJ/CWYUSGS0.340.01 0.40PoorScourControlChangedNONE1Imported Channel 1WADEQSCMMVPYG0.343.401.040.33FIRMGRVLEVENunknEVENSTNDUPST50.00
3412010-03-03 17:44GSTYesCWY/MTJUSGS1.01-0.580.000.40PoorScourControlChangedNONE1Imported Channel 1WADEQSCMMVPYG1.013.801.520.67FIRMGRVLUNEVunknUNEVSTNDUPST50.00
3392009-10-15 15:39GSTYescwy/kttUSGS14.91.96 GoodUnspecifedNONE1Imported Channel 1WADEQSCMMVPYG14.917.610.41.44FIRMGRVLUNEVunknUNEVUNSPUPST150.00
3372009-06-18 11:40:30GSTYesCWY/KTTUSGS0.761.320.000.80PoorFillControlChangedNONE1Imported Channel 1WADEQSCMMVPYG0.764.203.280.23FIRMGRVLUNEVunknUNEVUNSPUPST60.00
3362009-02-27 15:29GSTYesCWY/KTTUSGS0.971.130.000.80GoodUnspecifedNONE1Imported Channel 1WADEQSCMMVPYG0.975.703.300.29UNSPUNSPUNSPunknUNSPUNSPUPST60.00
3352008-09-18 10:37:24GSTYesCWY/MTJUSGS4.901.530.000.60FairClearNONE1Imported Channel 1WADEQSCMMVPYG4.909.409.280.53FIRMGRVLEVENunknEVENUNSPUPST100.00
3342008-06-10 14:15GSTYesCWY/KTTUSGS0.791.390.00 GoodUnspecifedNONE1Imported Channel 1WADEunspeunkno0.794.601.520.51UNSPUNSPUNSPunknUNSPUNSPUNSP
3332008-02-28 14:09GSTYesCWY/RLRUSGS4.891.63 UnspecifiedUnspecifedNONE1Imported Channel 1WADEunspeunkno4.89 UNSPUNSPUNSPunknUNSPUNSPUNSP
3322007-12-14 11:00GSTYesCWY/KTTUSGS3.871.490.000.60FairUnspecifedNONE1Imported Channel 1WADEunspeunkno3.879.406.040.64UNSPUNSPUNSPunknUNSPUNSPUNSP
3312007-09-25 14:15GSTYesCWY/KTTUSGS9.621.320.000.60FairClearNONE1Imported Channel 1WADEunspeunkno9.628.205.601.71UNSPUNSPUNSPunknUNSPUNSPUNSP
3302007-06-06 10:07GSTYesCWY/KTTUSGS0.650.840.000.40FairClearNONE1Imported Channel 1WADEunspeunkno0.653.201.200.54UNSPUNSPUNSPunknUNSPUNSPUNSP
3292007-03-20 11:50GSTYesCWY/KTTUSGS1.040.880.000.60GoodVegetationLightNONE1Imported Channel 1WADEunspeunkno1.045.601.990.52UNSPUNSPUNSPunknUNSPUNSPUNSP
3282006-11-29 14:16GSTYesCWYUSGS3.001.010.000.70FairDebrisLightNONE1Imported Channel 1UNSPother 3.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
3272006-11-29 14:16GSTYesCWYUSGS3.001.050.000.70FairDebrisLightNONE1Imported Channel 1WADEunspeunkno3.0010.75.080.59UNSPUNSPUNSPunknUNSPUNSPUNSP
3262006-08-30 16:18GSTYesDCNUSGS6.711.16-0.010.50FairDebrisLightNONE1Imported Channel 1WADEunspeunkno6.7117.511.60.58UNSPUNSPUNSPunknUNSPUNSPUNSP
3252006-05-25 14:47GSTYesDCN/MTJUSGS0.560.800.000.60PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno0.563.401.240.45UNSPUNSPUNSPunknUNSPUNSPUNSP
3242006-05-25 14:47GSTYesDCN/MTJUSGS0.560.830.000.60PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno0.563.401.240.45UNSPUNSPUNSPunknUNSPUNSPUNSP
3232006-02-26 11:17GSTYesDCNUSGS1.300.93-0.010.80PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno1.304.702.750.47UNSPUNSPUNSPunknUNSPUNSPUNSP
3222005-11-30 13:20GSTYesDCNUSGS3.691.07-0.011.10PoorClearNONE1Imported Channel 1WADEunspeunkno3.697.004.360.85UNSPUNSPUNSPunknUNSPUNSPUNSP
3212005-09-01 13:14GSTYesDCN/STYUSGS61.72.07 GoodClearNONE1Imported Channel 1WADEunspeunkno61.726.030.22.04UNSPUNSPUNSPunknUNSPUNSPUNSP
3202005-05-16 12:53GSTYesDCN/RJCUSGS0.820.920.000.60PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno0.822.701.510.54UNSPUNSPUNSPunknUNSPUNSPUNSP
3192005-02-22 14:45GSTYesBRH/DCNUSGS1.360.99-0.010.70FairVegetationLightNONE1Imported Channel 1WADEunspeunkno1.366.603.120.44UNSPUNSPUNSPunknUNSPUNSPUNSP
3182004-12-02 15:00GSTYesJWN/BRHUSGS3.771.140.000.60Fair NONE1Imported Channel 1WADEunspeunkno3.7711.95.300.71UNSPUNSPUNSPunknUNSPUNSPUNSP
3172004-10-26 15:30GSTYesJWN/MTBUSGS3.861.15-0.010.70GoodVegetationLightNONE1Imported Channel 1WADEunspeunkno3.8610.45.680.68UNSPUNSPUNSPunknUNSPUNSPUNSP
3162004-09-10 13:45GSTYesBH /JWNUSGS6.051.23-0.010.30Poor NONE1Imported Channel 1WADEunspeunkno6.0515.26.950.87UNSPUNSPUNSPunknUNSPUNSPUNSP
3152004-07-13 15:05GSTYesJWN/RLCUSGS4.441.130.020.80FairClearNONE1Imported Channel 1WADEunspeunkno4.4411.44.850.92UNSPUNSPUNSPunknUNSPUNSPUNSP
3142004-06-27 23:59GSTYesRAFUSGS20705.32 Poor NONE1Imported Channel 1OTHRQIDIR 2070 UNSPUNSPUNSPunknUNSPUNSPUNSP
3132004-05-20 11:11GSTYesjwn/ktUSGS1.560.990.000.80FairClearNONE1Imported Channel 1WADEunspeunkno1.567.203.210.49UNSPUNSPUNSPunknUNSPUNSPUNSP
3122004-03-15 13:45GSTYeslvm/garUSGS2.681.080.000.40PoorVegetationLightNONE1Imported Channel 1WADEunspeunkno2.6811.04.440.60UNSPUNSPUNSPunknUNSPUNSPUNSP
3112004-03-15 10:35GSTYeslvm/garUSGS2.681.130.000.40PoorVegetationLightNONE1Imported Channel 1WADEunspeunkno2.6811.04.440.60UNSPUNSPUNSPunknUNSPUNSPUNSP
3102003-12-22 14:50GSTYesjwn/ktUSGS13.31.46-0.021.20FairClearNONE1Imported Channel 1WADEunspeunkno13.322.011.21.19UNSPUNSPUNSPunknUNSPUNSPUNSP
3092003-11-04 15:50GSTYeslvmUSGS5.681.23-0.010.80PoorVegetationLightNONE1Imported Channel 1WADEunspeunkno5.6814.45.720.99UNSPUNSPUNSPunknUNSPUNSPUNSP
3082003-08-19 13:15GSTYesgar/lvmUSGS9.371.330.000.50FairClearNONE1Imported Channel 1WADEunspeunkno9.3711.96.731.39UNSPUNSPUNSPunknUNSPUNSPUNSP
3072003-06-03 11:00GSTYeslvm/grUSGS0.910.970.000.40FairClearNONE1Imported Channel 1WADEunspeunkno0.914.701.220.75UNSPUNSPUNSPunknUNSPUNSPUNSP
3062003-03-31 13:58GSTYeslvm/jnUSGS0.980.980.000.50FairClearNONE1Imported Channel 1WADEunspeunkno0.989.502.280.43UNSPUNSPUNSPunknUNSPUNSPUNSP
3052003-02-03 13:40GSTYeslvm/grUSGS1.901.050.000.30FairClearNONE1Imported Channel 1WADEunspeunkno1.9014.02.880.66UNSPUNSPUNSPunknUNSPUNSPUNSP
3042002-12-09 12:00GSTYeslvmUSGS36.21.68-0.010.20FairClearNONE1Imported Channel 1WADEunspeunkno36.236.023.51.54UNSPUNSPUNSPunknUNSPUNSPUNSP
3022002-10-17 11:05GSTYeslvm/jnUSGS4.751.180.000.40PoorClearNONE1Imported Channel 1WADEunspeunkno4.7512.05.120.92UNSPUNSPUNSPunknUNSPUNSPUNSP
3002002-05-22 13:22GSTYeslvm/nsUSGS2.581.100.000.40FairClearNONE1Imported Channel 1WADEunspeunkno2.5811.04.810.54UNSPUNSPUNSPunknUNSPUNSPUNSP
2992002-03-18 12:30GSTYeslvmUSGS1.901.090.000.40PoorClearNONE1Imported Channel 1WADEunspeunkno1.907.504.380.43UNSPUNSPUNSPunknUNSPUNSPUNSP
2982002-01-30 10:30GSTYescwy/nsUSGS3.981.160.000.30PoorClearNONE1Imported Channel 1WADEunspeunkno3.988.507.760.51UNSPUNSPUNSPunknUNSPUNSPUNSP
2972001-11-27 13:45GSTYeslvm/nsUSGS7.261.30-0.010.40PoorClearNONE1Imported Channel 1WADEunspeunkno7.2613.49.930.73UNSPUNSPUNSPunknUNSPUNSPUNSP
2962001-09-13 11:20GSTYeslvmUSGS5.231.23-0.010.40PoorClearNONE1Imported Channel 1WADEunspeunkno5.2316.110.00.52UNSPUNSPUNSPunknUNSPUNSPUNSP
2952001-07-27 15:30GSTYeslvmUSGS3.501.16-0.011.00FairClearNONE1Imported Channel 1WADEunspeunkno3.5017.38.830.40UNSPUNSPUNSPunknUNSPUNSPUNSP
2471975-10-01 15:16GSTYesdbUSGS4.420.370.000.30Good NONE1Imported Channel 1WADEunspeunkno4.428.504.750.93UNSPUNSPUNSPunknUNSPUNSPUNSP
2461975-09-02 15:05GSTYesjqUSGS3.530.330.000.30Good NONE1Imported Channel 1WADEunspeunkno3.538.504.380.81UNSPUNSPUNSPunknUNSPUNSPUNSP