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
   201303     -.10
   201304      .05
   201305      .09
   201306      .00
   201307     -.11
   201308     -.21
   201309     -.23
   201310     -.20
   201311     -.21
   201312     -.29