I want to find wet and dry spells using .nc file

Hi i want to find wet and dry spells using nc (netcdf) files on each pixel. although a script is available to find wet and dry spells.

https://www.mathworks.com/matlabcentral/fileexchange/10881-weaclim/content/find_spell.m

this script can generate wet and dry spell for single location.... can any one help me out in this matter Thanks