X axis: whole world in 240 1.50° steps, first point at 178.50° W, last point at 180.00° E
Y axis: regular grid with 181 1.00° steps, first point at 90.00° S, last point at 90.00° N

Monthly data available from Nov1978 to Apr2013 ( 414 months)
Variable Average_O3_column (Monthly average of ozone column distribution) in Dobson units

Get grid points, average area or generate subset

Latitude:	°N - °N
Longitude:	°E - °E
Boundaries:	halfway grid points interpolated
Make:	average set of grid points subset of the field
Demand at least:	% valid points in this region

Create a field with lower time resolution

New time scale:	annual (Jul-Jun) annual (Jan-Dec) seasonal monthly 10-daily 5-daily daily
New variable:	mean sd sum sum above sum below number min time of min max time of max first time last time of ozone
Threshold:	no cut less than greater than Dobson units percentile normal 1971-2000
Minimum:	% valid data

getfieldtype: please ask me to add "Average_O3_column" to the lists in getfieldtype

Construct a statistical forecast model from this field

Please consider downloading this field from the authoritative site.

If you really want to get it here, KNMI MSR ozone is available as a netcdf file (size 34.3096 MB).