CFS PDFC Seasonal SSTs 1st rec: avg(lastbs-1, lastobs, cfs month 1) 2nd rec: avg(lastbs, cfs month 1, cfs month 2) other records: CFS 3-mo average TrgSeason SST34 201208 .540140 201209 .561087 201210 .521179 201211 .619995 201212 .699615 201301 .626465 201302 .523712 201303 .375824 201304 .339783