Intraperiod extreme temperature range
ecaetr.Rd
Let infile1 and infile2 be time series of thr maximum and minimum temperature TX and TN, respectively. Then the extreme temperature range is the difference of the maximum of TX and the minimum of TN. Note that TX and TN have to be given in the same units. The date information of a timestep in outfile is the date of the last contributing timesteps in infile1 and infile2.