netcdf classic (CDF-1) {
dimensions:
	lon = 360 ;
	lat = 181 ;
	height = 1 ;
	time = UNLIMITED ; // (45 currently)
// global attributes:
		:CDI = "Climate Data Interface version 1.5.4 (http://code.zmaw.de/projects/cdi)" ;
		:Conventions = "CF-1.4" ;
		:history = (text block) ;
| Wed Apr 15 22:10:23 2015: cdo expr,rh=((1013.25/(8.314*tC))*(1/((1-q)/(q*0.02896)+(1/0.01802)))) tmp.nc rh_2002082900_mean.nc
| Wed Apr 15 22:10:22 2015: ncks -A spfh.nc tmp.nc
| Sun Apr 05 03:02:16 2015: cdo -f nc copy spfh_2m_2002082900_mean.grib2 spfh_2m_2002082900_mean.nc
		:CDO = "Climate Data Operators version 1.5.4 (http://code.zmaw.de/projects/cdo)" ;
variables:
	double lon(lon) ;
		lon:standard_name = "longitude" ;
		lon:long_name = "longitude" ;
		lon:units = "degrees_east" ;
		lon:axis = "X" ;
	double lat(lat) ;
		lat:standard_name = "latitude" ;
		lat:long_name = "latitude" ;
		lat:units = "degrees_north" ;
		lat:axis = "Y" ;
	double height(height) ;
		height:standard_name = "height" ;
		height:long_name = "height" ;
		height:units = "m" ;
		height:positive = "up" ;
		height:axis = "Z" ;
	double time(time) ;
		time:standard_name = "time" ;
		time:units = "hours since 2002-08-29 00:00:00" ;
		time:calendar = "proleptic_gregorian" ;
	float rh(time, height, lat, lon) ;
		rh:_FillValue = -8.99999987e+33 ;
// lon: first 0.0, last 359.0, count 360
// lat: first 90.0, last -90.0, count 181
// height: first 2.0, last 2.0, count 1
// time: first 0.0, last 192.0, count 45
}