@BeginModule
@NewPage
@Name      = EcaRr1
@Title     = Wet days index per time period
@Section   = ECA indices
@Class     = ECA index
@Arguments = ifile ofile
@Operators = eca_rr1

@BeginDescription
Let @file{ifile} be a time series of daily precipitation amounts RR,
then counted is the number of days where RR is at least 1 mm. 
The date information for a time step in @file{ofile} is the date of
the last contributing time step in @file{ifile}.
@EndDescription
@EndModule


@BeginOperator_eca_rr1
@Title     = Wet days index per time period
@EndOperator


@BeginExample
To get the number of wet days for a time series of daily precipitation
amounts, use:
@BeginVerbatim
   cdo eca_rr1 rrfile ofile
@EndVerbatim
@EndExample
