Dear Jun Wei <[log in to unmask]>

You can get the rquired information from the "World-wide agroclimatic database". This is available on a compact disk released by FAO-Agrometeorology Group. Their address is: 

Agrometeorology Group

SDRN, FAO

Via delleTerme di Caracalla

00100 Rome - Italy

E-mail : [log in to unmask]