In [20]:

    

import netCDF4


    

In [23]:

    

root = 'http://dm2.caricoos.org/thredds/dodsC/roms/20131203/ocean_his_%4.4d.nc'


    

In [24]:

    

files = [root % d for d in range(1,4)]
nc = netCDF4.MFDataset(files)


    

In [25]:

    

def start_stop(nc,tvar):
    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 [26]:

    

tvar = 'ocean_time'
start_stop(nc,tvar)


    

    




1968-May-23 00:00
1968-May-23 02:00

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