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
   201203     -.32
   201204     -.08
   201205      .24
   201206      .51
   201207      .72
   201208      .86
   201209     1.00
   201210     1.12
   201211     1.13
   201212     1.00