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
   201607    -0.32
   201608    -0.55
   201609    -0.53
   201610    -0.48
   201611    -0.52
   201612    -0.70
   201701    -0.75
   201702    -0.62
   201703    -0.31
   201704     0.03