201210181827:
	/home/nersc/yanchun/tools/20thC/datm_diag_diff.sh	--->	gcgcs_prec_T62_mean_YR_1948-1978-minus-ncar_precip_mean_YR_1948-1978.nc
	/home/nersc/yanchun/tools/20thC/datm_diag_diff.sh	--->	gcgcs_prec_T62_mean_YR_1948-1978-minus-ncar_precip_mean_YR_1948-1978_PROJ_GL.*
201210181915:
	/home/nersc/yanchun/tools/20thC/datm_diag_diff.sh	--->	gcgcs_prec_T62_mean_YR_1948-1978-minus-ncar_precip_mean_YR_1948-1978.nc
	/home/nersc/yanchun/tools/20thC/datm_diag_diff.sh	--->	gcgcs_prec_T62_mean_YR_1948-1978-minus-ncar_precip_mean_YR_1948-1978_PROJ_GL.*