CFSv2 monthly mean SSTs (clim19822010)
 TrgMonth     SST34
   202109    -0.58
   202110    -1.19
   202111    -1.54
   202112    -1.56
   202201    -1.51
   202202    -1.21
   202203    -0.85
   202204    -0.40
   202205    -0.13