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
   201401    -0.29
   201402    -0.22
   201403     0.01
   201404     0.25
   201405     0.48
   201406     0.66
   201407     0.83
   201408     0.88
   201409     0.97
   201410     1.15