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ncclimo -m mpascice -s 1980 -e 1983 -i drc_in -o drc_out # MPAS-I

Some output is best compared with custom-defined seasons, e.g., JFM instead of DJF, or two-month seasons such as FM or ON. ncclimo supports up to ten (and counting) seasons, although by default it only computes MAM, JJA, SON, and DJF. As of NCO 4.6.8, use the seasons option to specify additional or alternate seasons:

ncclimo -m mpascice --seasons=mam,jja,son,djf,jfm,on -s 1980 -e 1983 -i drc_in -o drc_out # MPAS-I

The climatological annual mean, ANN, is currently computed automatically, but only when MAM,JJA,SON, and DJF are all requested. Use "–seasons=none" to completely turn-off seasonal and annual-mean climatologies.

MPAS climos are unaware of missing values until/unless the input files are "fixed". I recommend that the person who produces the simulation annotate all floating point variables with the appropriate _FillValue prior to invoking ncclimo. Run something like this once in the history file directory:

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