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Streamflow Measurements for the Nation


USGS 01593710 MIDDLE PATUXENT RIVER NEAR SIMPSONVILLE, MD


Howard County, Maryland
Hydrologic Unit Code 02060006
Latitude  39°11'48", Longitude  76°53'59" NAD27
Drainage area 48.39  square miles
Gage datum 270 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)
732002-09-19 15:00EDTYesWCLUSGS3.12 GoodClearNONE1Imported Channel 1WADEunspeunkno3.1212.07.450.42UNSPUNSPUNSPunknUNSPUNSPUNSP
721995-09-21 12:35EDTYesJJMUSGS9.580.940.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno9.5826.513.60.70UNSPUNSPUNSPunknUNSPUNSPUNSP
711995-09-01 12:00EDTYesJJMUSGS6.680.900.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno6.6827.012.90.52UNSPUNSPUNSPunknUNSPUNSPUNSP
701995-05-17 12:00EDTYesJJMUSGS33.91.340.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno33.949.039.00.87UNSPUNSPUNSPunknUNSPUNSPUNSP
691995-03-10 11:20ESTYesJJMUSGS80.51.780.000.70GoodClearNONE1Imported Channel 1WADEunspeunkno80.560.574.01.09UNSPUNSPUNSPunknUNSPUNSPUNSP
681995-01-23 10:20ESTYesJJMUSGS52.61.590.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno52.659.069.00.76UNSPUNSPUNSPunknUNSPUNSPUNSP
671994-11-18 10:10ESTYesJJMUSGS24.81.260.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno24.858.051.40.48UNSPUNSPUNSPunknUNSPUNSPUNSP
661994-10-07 09:35EDTYesJJMUSGS21.61.210.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno21.633.030.20.72UNSPUNSPUNSPunknUNSPUNSPUNSP
651994-08-04 10:15EDTYesJJMUSGS23.21.180.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno23.234.531.40.74UNSPUNSPUNSPunknUNSPUNSPUNSP
641994-06-09 12:20EDTYesJJMUSGS34.01.360.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno34.050.040.90.83UNSPUNSPUNSPunknUNSPUNSPUNSP
631994-05-04 09:15EDTYesJJMUSGS60.51.650.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno60.557.067.80.89UNSPUNSPUNSPunknUNSPUNSPUNSP
621994-03-16 09:55ESTYesJJMUSGS83.81.800.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno83.859.087.80.95UNSPUNSPUNSPunknUNSPUNSPUNSP
611993-12-09 11:20ESTYesJJMUSGS56.01.640.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno56.076.078.40.71UNSPUNSPUNSPunknUNSPUNSPUNSP
601993-10-05 12:50EDTYesJJMUSGS16.61.150.000.30GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno16.623.516.31.02UNSPUNSPUNSPunknUNSPUNSPUNSP
591993-08-23 11:15EDTYesJJMUSGS19.31.180.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno19.319.016.61.16UNSPUNSPUNSPunknUNSPUNSPUNSP
581993-07-13 10:15EDTYesJJMUSGS22.81.270.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno22.821.017.51.30UNSPUNSPUNSPunknUNSPUNSPUNSP
571993-04-15 13:30EDTYesJJMUSGS91.41.920.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno91.455.589.41.02UNSPUNSPUNSPunknUNSPUNSPUNSP
561993-03-26 13:00ESTYesJJMUSGS1172.10-0.010.40GoodClearNONE1Imported Channel 1WADEunspeunkno11755.01131.04UNSPUNSPUNSPunknUNSPUNSPUNSP
551992-11-19 12:55ESTYesSMWUSGS30.41.440.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno30.450.554.50.56UNSPUNSPUNSPunknUNSPUNSPUNSP
541992-10-07 09:55EDTYesSMWUSGS15.31.200.000.50FairClearNONE1Imported Channel 1WADEunspeunkno15.360.044.90.34UNSPUNSPUNSPunknUNSPUNSPUNSP
531992-08-19 09:00EDTYesSMWUSGS20.91.280.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno20.959.049.80.42UNSPUNSPUNSPunknUNSPUNSPUNSP
521992-07-08 09:30EDTYesSMWUSGS16.21.250.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno16.225.520.40.79UNSPUNSPUNSPunknUNSPUNSPUNSP
511992-05-22 08:55EDTYesSMWUSGS22.71.340.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno22.761.050.40.45UNSPUNSPUNSPunknUNSPUNSPUNSP
501992-03-31 09:35ESTYesSMWUSGS54.81.660.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno54.862.076.20.72UNSPUNSPUNSPunknUNSPUNSPUNSP
491992-02-25 09:00ESTYesSMWUSGS35.51.470.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno35.552.050.20.71UNSPUNSPUNSPunknUNSPUNSPUNSP
481992-01-17 14:15ESTYesSMWUSGS45.21.56-0.010.50FairClearNONE1Imported Channel 1WADEunspeunkno45.254.062.30.72UNSPUNSPUNSPunknUNSPUNSPUNSP
471991-11-14 11:15ESTYesSMWUSGS14.81.270.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno14.825.520.90.71UNSPUNSPUNSPunknUNSPUNSPUNSP
461991-10-02 09:30EDTYesSMWUSGS10.61.140.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno10.624.515.90.67UNSPUNSPUNSPunknUNSPUNSPUNSP
451991-08-27 11:15EDTYesSMWUSGS8.320.950.000.50FairClearNONE1Imported Channel 1WADEunspeunkno8.3222.013.40.62UNSPUNSPUNSPunknUNSPUNSPUNSP
441991-07-25 14:05EDTYesSMWUSGS7.840.940.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno7.8421.513.30.59UNSPUNSPUNSPunknUNSPUNSPUNSP
431991-07-23 11:35EDTYesSMWUSGS8.290.960.000.50FairClearNONE1Imported Channel 1WADEunspeunkno8.2934.042.10.20UNSPUNSPUNSPunknUNSPUNSPUNSP
421991-07-09 11:05EDTYesSMW/JFHUSGS18.91.170.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno18.926.020.90.90UNSPUNSPUNSPunknUNSPUNSPUNSP
411991-06-05 09:45EDTYesJJMUSGS23.21.250.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno23.247.531.90.73UNSPUNSPUNSPunknUNSPUNSPUNSP
401991-04-15 12:20EDTYesJJMUSGS93.51.950.060.50GoodClearNONE1Imported Channel 1WADEunspeunkno93.559.01090.86UNSPUNSPUNSPunknUNSPUNSPUNSP
391991-02-27 11:45ESTYesJJMUSGS42.91.520.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno42.957.074.60.57UNSPUNSPUNSPunknUNSPUNSPUNSP
381991-01-14 13:35ESTYesJJMUSGS79.71.870.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno79.757.598.20.81UNSPUNSPUNSPunknUNSPUNSPUNSP
371990-11-21 12:40ESTYesJJMUSGS32.81.390.000.50FairClearNONE1Imported Channel 1WADEunspeunkno32.827.031.41.04UNSPUNSPUNSPunknUNSPUNSPUNSP
361990-10-04 12:00EDTYesJFHUSGS15.31.160.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno15.331.022.70.67UNSPUNSPUNSPunknUNSPUNSPUNSP
351990-09-11 11:15EDTYesRWJUSGS16.11.180.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno16.130.624.90.65UNSPUNSPUNSPunknUNSPUNSPUNSP
341990-08-14 12:00EDTYesJJMUSGS37.51.460.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno37.566.557.80.65UNSPUNSPUNSPunknUNSPUNSPUNSP
331990-06-20 11:45EDTYesRJSUSGS36.31.460.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno36.354.060.80.60UNSPUNSPUNSPunknUNSPUNSPUNSP
321990-05-14 11:50EDTYesRJSUSGS60.41.680.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno60.455.562.90.96UNSPUNSPUNSPunknUNSPUNSPUNSP
311990-05-08 12:00EDTYesRJS/JJMUSGS46.51.530.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno46.555.054.10.86UNSPUNSPUNSPunknUNSPUNSPUNSP
301990-04-26 11:30EDTYesRJSUSGS51.81.580.010.50GoodClearNONE1Imported Channel 1WADEunspeunkno51.853.066.30.78UNSPUNSPUNSPunknUNSPUNSPUNSP
291990-03-26 11:15ESTYesRJSUSGS58.91.670.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno58.954.571.70.82UNSPUNSPUNSPunknUNSPUNSPUNSP
281990-02-12 11:45ESTYesRJSUSGS66.01.730.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno66.054.076.50.86UNSPUNSPUNSPunknUNSPUNSPUNSP
271990-01-19 10:05ESTYesRJSUSGS42.31.530.000.50FairClearNONE1Imported Channel 1WADEunspeunkno42.353.567.20.63UNSPUNSPUNSPunknUNSPUNSPUNSP
261989-11-13 11:10ESTYesRJSUSGS38.91.560.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno38.954.069.00.60UNSPUNSPUNSPunknUNSPUNSPUNSP
251989-10-02 14:55EDTYesRJSUSGS1352.29-0.020.50GoodClearNONE1Imported Channel 1WADEunspeunkno13554.083.11.62UNSPUNSPUNSPunknUNSPUNSPUNSP
241989-07-24 12:20EDTYesRJSUSGS49.41.650.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno49.453.450.90.97UNSPUNSPUNSPunknUNSPUNSPUNSP
231989-06-12 13:08EDTYesRJSUSGS62.21.720.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno62.253.559.31.05UNSPUNSPUNSPunknUNSPUNSPUNSP
221989-05-06 16:20EDTYesBMH/RWJUSGS2782.850.010.50GoodClearNONE1Imported Channel 1WADEunspeunkno27862.51821.53UNSPUNSPUNSPunknUNSPUNSPUNSP
21S1989-05-06 -- ----YesJFH/JJMUSGS48008.84 UnspecifiedClearNONE1Imported Channel 1OTHRQIDIR 4800 UNSPUNSPUNSPunknUNSPUNSPUNSP
201989-05-01 12:40EDTYesRJSUSGS40.21.520.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno40.260.053.70.75UNSPUNSPUNSPunknUNSPUNSPUNSP
191989-03-20 11:15ESTYesRJSUSGS37.11.510.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno37.159.559.40.62UNSPUNSPUNSPunknUNSPUNSPUNSP
181989-02-13 11:20ESTYesRJSUSGS28.11.360.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno28.157.048.80.58UNSPUNSPUNSPunknUNSPUNSPUNSP
171989-01-03 11:10ESTYesRJSUSGS30.61.430.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno30.660.058.60.52UNSPUNSPUNSPunknUNSPUNSPUNSP
161988-11-14 13:25ESTYesRJSUSGS23.61.320.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno23.654.057.40.41UNSPUNSPUNSPunknUNSPUNSPUNSP
151988-10-11 13:35EDTYesRJSUSGS12.11.120.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno12.121.418.50.65UNSPUNSPUNSPunknUNSPUNSPUNSP
141988-08-26 11:15EDTYesRJSUSGS13.91.130.000.60GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno13.921.317.10.81UNSPUNSPUNSPunknUNSPUNSPUNSP
131988-08-15 11:10EDTYesRJSUSGS9.871.070.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno9.8720.715.30.65UNSPUNSPUNSPunknUNSPUNSPUNSP
121988-07-25 13:30EDTYesRJS/JFHUSGS26.21.350.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno26.221.019.61.34UNSPUNSPUNSPunknUNSPUNSPUNSP
111988-07-21 11:30EDTYesRJSUSGS31.81.49-0.010.60GoodClearNONE1Imported Channel 1WADEunspeunkno31.852.062.00.51UNSPUNSPUNSPunknUNSPUNSPUNSP
101988-06-27 11:50EDTYesRJS/BHUSGS21.31.250.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno21.330.023.50.91UNSPUNSPUNSPunknUNSPUNSPUNSP
91988-05-25 10:30EDTYesRJSUSGS1412.320.031.00GoodClearNONE1Imported Channel 1WADEunspeunkno14156.01151.23UNSPUNSPUNSPunknUNSPUNSPUNSP
81988-05-16 14:30EDTYesRJS/BHUSGS40.41.560.020.70GoodClearNONE1Imported Channel 1WADEunspeunkno40.456.073.50.55UNSPUNSPUNSPunknUNSPUNSPUNSP
71988-04-08 11:20EDTYesRJS/DFGUSGS1152.05-0.010.60GoodClearNONE1Imported Channel 1WADEunspeunkno11553.092.01.25UNSPUNSPUNSPunknUNSPUNSPUNSP
61988-02-24 13:47ESTYesRJS/DFGUSGS50.41.630.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno50.451.570.10.72UNSPUNSPUNSPunknUNSPUNSPUNSP
41987-09-14 13:35EDTYesRWJ/DFGUSGS36.31.480.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno36.359.057.50.63UNSPUNSPUNSPunknUNSPUNSPUNSP
31987-09-10 13:20EDTYesDFGUSGS18.21.250.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno18.247.057.20.32UNSPUNSPUNSPunknUNSPUNSPUNSP
21987-09-08 16:35EDTYesDFGUSGS1562.390.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno15654.01021.53UNSPUNSPUNSPunknUNSPUNSPUNSP
11987-08-19 15:05EDTYesdfgUSGS7.260.940.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno7.2630.014.80.49UNSPUNSPUNSPunknUNSPUNSPUNSP