CFSv2 monthly mean SSTs (clim19912020)
 TrgMonth     SST34
   202410    -0.94
   202411    -0.92
   202412    -1.05
   202501    -0.90
   202502    -0.57
   202503    -0.22
   202504     0.07
   202505     0.24
   202506     0.22