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
   201406     0.46
   201407     0.38
   201408     0.39
   201409     0.67
   201410     0.94
   201411     1.01
   201412     0.94
   201501     0.85
   201502     0.81
   201503     0.84