201305101112:
	/home/nersc/yanchun/tools/20thC/datm_diag_timeseries.sh	--->	prmsl_ts_YR_1871-2009.nc
	/home/nersc/yanchun/tools/20thC/datm_diag_timeseries.sh	--->	prmsl_ts_YR_1871-2009.pdf
201305241449:
	/home/nersc/yanchun/tools/20thC/datm_diag_timeseries.sh	--->	prmsl_ts_YR_1871-2009.nc
	/home/nersc/yanchun/tools/20thC/datm_diag_timeseries.sh	--->	prmsl_ts_YR_1871-2009.pdf