box_mergetime           Function to combine NetCDF files and
                        simultaneously cut a region.
change_att              Change attributes of a NetCDF variable.
checkfile               Check the filename and directory.
cmsaf-package           cmsaf
cmsaf.add               Add the fields of two input NetCDF files.
cmsaf.addc              Add a constant to a dataset.
cmsaf.div               Divide the fields of two input NetCDF files.
cmsaf.divc              Divide data by a constant.
cmsaf.mul               Multiply the fields of two input NetCDF files.
cmsaf.mulc              Multiply data with a constant.
cmsaf.sub               Subtract the fields of two input NetCDF files.
cmsaf.subc              Subtract a constant from a dataset.
dayrange                This function determines the diurnal range.
divdpm                  Divide by days per month.
extract.level           Extract levels from 4-dimensional NetCDF files.
extract.period          Remove a time period.
fldmax                  Determine the field maximum.
fldmean                 Determine the field mean.
fldmin                  Determine the field minimum.
get_time                Convert time steps to POSIXct.
levbox_mergetime        Function to combine NetCDF files and
                        simultaneously cut a region and level.
mon.anomaly             Determine monthly anomalies.
monmax                  Determine monthly maxima.
monmean                 Determine monthly means.
monmin                  Determine monthly minima.
monsd                   Determine monthly standard deviation.
monsum                  Determine monthly sums.
muldpm                  Multiply by days per month.
multimonmean            Determine multi-monthly means.
multimonsum             Determine multi-monthly sums.
ncinfo                  Get information about the content of a NetCDF
                        file.
read_nc                 Read NetCDF variable.
remapbil                Bilinear grid interpolation.
seas.anomaly            Determine seasonal anomalies.
seasmean                Determine seasonal means.
sellonlatbox            Select a region by longitude and latitude.
selmon                  Extract a list of months.
selperiod               Extract a list of dates.
selpoint                Extract data at a given point.
seltime                 Extract specific timestep.
selyear                 Extract a list of years.
timmax                  Determine all-time maxima.
timmean                 Determine mean of a timeseries.
timmin                  Determine all-time minima.
timsd                   Determine all-time seasonal standard
                        deviations.
trend                   Determine linear trends.
wfldmean                Determine the weighted field mean.
year.anomaly            Determine annual anomalies.
yearmean                Determine annual means
yearsum                 Determine annual sums.
ymonmax                 Determine multi-year monthly maxima.
ymonmean                Determine multi-year monthly means.
ymonmin                 Determine multi-year monthly minima.
ymonsd                  Determine multi-year monthly standard
                        deviations.
ymonsum                 Determine multi-year monthly sums.
yseasmax                Determine multi-year seasonal maxima.
yseasmean               Determine multi-year seasonal means.
yseasmin                Determine multi-year seasonal minima.
yseassd                 Determine multi-year seasonal standard
                        deviations.
