hello all, please how do i convert from daily data to monthly data in GrADS. i have the data in .dat format and i am running my GrADS on windows xp. ugo okoro cmsr, iap cas, beijing -------------- next part -------------- An HTML attachment was scrubbed... URL: http://gradsusr.org/pipermail/gradsusr/attachments/20120630/25a1c5cb/attachment-0003.html