CFSv2 Seasonal SSTs (clim19822010)
first  rec: avg(lastbs-1, lastobs, CFSv2 month 1)
second rec: avg(lastbs, cfs month 1, CFSv2 month 2)
last   rec: CFSv2 month 9
other  rec: CFSv2 3-mo average
 TrgSeason    SST34
   201204     -.25
   201205      .00
   201206      .31
   201207      .61
   201208      .82
   201209      .97
   201210     1.01
   201211      .96
   201212      .80
   201301      .59