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
   201206      .26
   201207      .61
   201208      .85
   201209     1.09
   201210     1.21
   201211     1.17
   201212      .94
   201301      .68
   201302      .52
   201303      .48