File Format

Item	Specification
Encoding	UTF-8 (no BOM)
Delimiter	Comma ,
Line endings	LF
Header	First row holds field names; fixed 19 columns, order must not change
Numeric precision	Generally 3 decimal places
Missing values	Defined as empty strings (sample verified: none)
Row order	Ascending by date_time

The 19-column header (fixed order):

farm_id,date_time,lat,lon,spd10,dir10,spd100,dir100,sp,t2m,rh2,lcc,mcc,hcc,tcc,dr,sr,rr,tr

Field meanings: see the Field Dictionary.