CFSv2 monthly mean SSTs (clim19822010)
 TrgMonth     SST34
   201709    -0.70
   201710    -0.90
   201711    -1.26
   201712    -1.51
   201801    -1.65
   201802    -1.48
   201803    -0.99
   201804    -0.54
   201805    -0.35