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In [34]:

    
import netCDF4



In [35]:

    
def start_stop(url,tvar):
    nc = netCDF4.Dataset(url)
    ncv = nc.variables
    time_var = ncv[tvar]
    first = netCDF4.num2date(time_var[0],time_var.units)
    last = netCDF4.num2date(time_var[-1],time_var.units)

    print first.strftime('%Y-%b-%d %H:%M')
    print last.strftime('%Y-%b-%d %H:%M')



In [36]:

    
url ='http://geoport.whoi.edu/thredds/dodsC/clay/usgs/users/aretxabaleta/total_water_level/WL_20160916_18.nc'
tvar='time'
nc = netCDF4.Dataset(url)
ncv = nc.variables
time_var = ncv[tvar]









    




IOErrorTraceback (most recent call last)
<ipython-input-36-45d1d220cc55> in <module>()
      1 url ='http://geoport.whoi.edu/thredds/dodsC/clay/usgs/users/aretxabaleta/total_water_level/WL_20160916_18.nc'
      2 tvar='time'
----> 3 nc = netCDF4.Dataset(url)
      4 ncv = nc.variables
      5 time_var = ncv[tvar]

netCDF4/_netCDF4.pyx in netCDF4._netCDF4.Dataset.__init__ (netCDF4/_netCDF4.c:12624)()

IOError: NetCDF: DAP server error



In [21]:

    
time_var[0]









    Out[21]:





736589.75



In [3]:

    
url='http://hfrnet.ucsd.edu/thredds/dodsC/HFR/USWC/6km/hourly/RTV/HFRADAR,_US_West_Coast,_6km_Resolution,_Hourly_RTV_best.ncd'
tvar='time'
start_stop(url,tvar)









    



2011-Oct-01 00:00
2016-Aug-18 17:00



In [31]:

    
url='http://www.smast.umassd.edu:8080/thredds/dodsC/FVCOM/NECOFS/Forecasts/NECOFS_GOM3_FORECAST.nc'
tvar='time'
start_stop(url,tvar)









    



2016-Nov-05 00:00
2016-Nov-11 00:00



In [5]:

    
url='http://geoport-dev.whoi.edu/thredds/dodsC/usgs/data2/emontgomery/stellwagen/CF-1.6/MONTEREY_CAN/4231-a.cdf'
tvar = 'time'
start_stop(url,tvar)









    



1993-Aug-03 20:37
1994-Aug-17 17:52



In [6]:

    
url='http://omgsrv1.meas.ncsu.edu:8080/thredds/dodsC/fmrc/sabgom/SABGOM_Forecast_Model_Run_Collection_best.ncd'
tvar = 'time'
start_stop(url,tvar)









    



2016-Jun-29 15:00
2016-Aug-21 12:00



In [7]:

    
url='http://omgarch1.meas.ncsu.edu:8080/thredds/dodsC/fmrc/sabgom/SABGOM_Forecast_Model_Run_Collection_best.ncd'
tvar = 'time3'
start_stop(url,tvar)









    




IOErrorTraceback (most recent call last)
<ipython-input-7-74401e87b06c> in <module>()
      1 url='http://omgarch1.meas.ncsu.edu:8080/thredds/dodsC/fmrc/sabgom/SABGOM_Forecast_Model_Run_Collection_best.ncd'
      2 tvar = 'time3'
----> 3 start_stop(url,tvar)

<ipython-input-2-220c775a5617> in start_stop(url, tvar)
      1 def start_stop(url,tvar):
----> 2     nc = netCDF4.Dataset(url)
      3     ncv = nc.variables
      4     time_var = ncv[tvar]
      5     first = netCDF4.num2date(time_var[0],time_var.units)

netCDF4/_netCDF4.pyx in netCDF4._netCDF4.Dataset.__init__ (netCDF4/_netCDF4.c:12624)()

IOError: NetCDF: file not found



In [24]:

    
url='http://geoport-dev.whoi.edu/thredds/dodsC/estofs/atlantic'
tvar = 'time'
start_stop(url,tvar)









    



2014-Mar-01 19:00
2016-Oct-19 00:00



In [ ]:

    
url='http://ecowatch.ncddc.noaa.gov/thredds/dodsC/hycom/hycom_reg1_agg/HYCOM_Region_1_Aggregation_best.ncd'
tvar='time'
start_stop(url,tvar)



In [ ]:

    
url='http://mrtee.europa.renci.org:8080/thredds/dodsC/ASGS/sandy/27/nc6b/blueridge.renci.org/ncfs/nhcConsensus/00_dir.ncml'
tvar='time'
start_stop(url,tvar)



In [8]:

    
url='http://www.smast.umassd.edu:8080/thredds/dodsC/FVCOM/NECOFS/Forecasts/NECOFS_FVCOM_OCEAN_MASSBAY_FORECAST.nc'
tvar='time'
start_stop(url,tvar)









    



2016-Aug-15 00:00
2016-Aug-21 00:00



In [ ]:

    
url='http://cida.usgs.gov/thredds/dodsC/prism_v2'
tvar='time'
start_stop(url,tvar)



In [ ]:

    
netCDF4.__version__



In [ ]:

    
url='http://www.smast.umassd.edu:8080/thredds/dodsC/fvcom/archives/necofs_gom3_wave'
tvar = 'time'
start_stop(url,tvar)



In [12]:

    
url='http://www.smast.umassd.edu:8080/thredds/dodsC/fvcom/archives/necofs_mb'
tvar='time'
start_stop(url,tvar)









    



2011-Jan-18 00:00
2014-Dec-31 22:58



In [ ]:

    
url='http://crow.marine.usf.edu:8080/thredds/dodsC/FVCOM-Nowcast-Agg.nc'
tvar='time'
start_stop(url,tvar)



In [32]:

    
url='http://geoport.whoi.edu/thredds/dodsC/coawst_4/use/fmrc/coawst_4_use_best.ncd'
tvar='time'
start_stop(url,tvar)









    



2012-Jun-25 01:00
2016-Oct-27 00:00



In [37]:

    
url='http://geoport-dev.whoi.edu/thredds/dodsC/coawst_4/use/fmrc/coawst_4_use_best.ncd'
tvar='time'
start_stop(url,tvar)









    



2016-Oct-01 01:00
2016-Nov-09 00:00



In [ ]:

    
url='http://geoport-dev.whoi.edu/thredds/dodsC/clay/usgs/users/zdefne/run076/his/00_dir_roms_display.ncml'
tvar='ocean_time'
start_stop(url,tvar)



In [ ]: