netcdf classic (CDF-1) {
dimensions:
	lon = 1740 ;
	lat = 920 ;
	time = UNLIMITED ; // (1 currently)
variables:
	double lon(lon) ;
		lon:units = "degrees_east" ;
		lon:long_name = "lon" ;
	double lat(lat) ;
		lat:units = "degrees_north" ;
		lat:long_name = "lat" ;
	double time(time) ;
		time:units = "seconds since 1970-01-01" ;
		time:long_name = "time" ;
	float perc(time, lat, lon) ;
		perc:units = "none" ;
		perc:_FillValue = -9999.0 ;
// lon: first -20.975, last 65.975, count 1740
// lat: first -2.975, last 42.975, count 920
// time: first 19174.0, last 19174.0, count 1
}