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
   201305      .06
   201306      .04
   201307      .18
   201308      .35
   201309      .51
   201310      .63
   201311      .64
   201312      .52
   201401      .39
   201402      .27