output dir: /tigress/wenchang/MODEL_OUT/CM2.1p1/CTL1860_1pct4xCO2back_tigercpu_intelmpi_18_80PE
real output dir: /projects2/GEOCLIM/wenchang/MODEL_OUT/CM2.1p1/CTL1860_1pct4xCO2back_tigercpu_intelmpi_18_80PE
140 years: 1141-1280
experiment dir: /tigress/wenchang/MOM4p1/exp/CM2.1p1/CTL1860_1pct4xCO2back