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
   201212     -.11
   201301     -.50
   201302     -.53
   201303     -.41
   201304     -.31
   201305     -.19
   201306     -.07
   201307      .09
   201308      .19
   201309      .25