PARAMETER(IDIM=360,JDIM=180,NSP=IDIM*JDIM,NT=12)
      REAL TM(NSP,12)

      OPEN(UNIT=1,FILE='ersst_oisst_1x1_clim_81-10.dat',
     %  FORM='UNFORMATTED',ACCESS='DIRECT',RECL=NSP*4)

      deflt=-9999.

      DO JM=1,12
         READ(1,REC=JM) (TM(I,JM),I=1,NSP)
      ENDDO

      stop
      END