# Set beginning and ending ensemble member on EnKF group.
if [[ $ENSGRP -eq 1 ]]; then
   export ENSBEG=${ENSBEG:-1}
   export ENSEND=${ENSEND:-3}
elif [[ $ENSGRP -eq 2 ]]; then
   export ENSBEG=${ENSBEG:-4}
   export ENSEND=${ENSEND:-6}
elif [[ $ENSGRP -eq 3 ]]; then
   export ENSBEG=${ENSBEG:-7}
   export ENSEND=${ENSEND:-9}
elif [[ $ENSGRP -eq 4 ]]; then
   export ENSBEG=${ENSBEG:-10}
   export ENSEND=${ENSEND:-12}
elif [[ $ENSGRP -eq 5 ]]; then
   export ENSBEG=${ENSBEG:-13}
   export ENSEND=${ENSEND:-15}
elif [[ $ENSGRP -eq 6 ]]; then
   export ENSBEG=${ENSBEG:-16}
   export ENSEND=${ENSEND:-18}
elif [[ $ENSGRP -eq 7 ]]; then
   export ENSBEG=${ENSBEG:-19}
   export ENSEND=${ENSEND:-21}
elif [[ $ENSGRP -eq 8 ]]; then
   export ENSBEG=${ENSBEG:-22}
   export ENSEND=${ENSEND:-24}
elif [[ $ENSGRP -eq 9 ]]; then
   export ENSBEG=${ENSBEG:-25}
   export ENSEND=${ENSEND:-27}
elif [[ $ENSGRP -eq 10 ]]; then
   export ENSBEG=${ENSBEG:-28}
   export ENSEND=${ENSEND:-30}
elif [[ $ENSGRP -eq 11 ]]; then
   export ENSBEG=${ENSBEG:-31}
   export ENSEND=${ENSEND:-33}
elif [[ $ENSGRP -eq 12 ]]; then
   export ENSBEG=${ENSBEG:-34}
   export ENSEND=${ENSEND:-36}
else
   echo "***ERROR*** INVALID ENSGRP=$ENSGRP"
   exit
fi