CFSv2 monthly mean SSTs (clim19822010)
 TrgMonth     SST34
   201908     0.02
   201909    -0.06
   201910     0.01
   201911    -0.07
   201912    -0.27
   202001    -0.50
   202002    -0.39
   202003    -0.05
   202004     0.24