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
   201209      .47
   201210      .35
   201211      .23
   201212      .07
   201301     -.13
   201302     -.21
   201303     -.15
   201304     -.04
   201305      .10
   201306      .29