Single Static Variable for all Report Packages

We need to create a single static variable in one report package that can be shared and accessed across all other report packages. The client wants a centralized static variable rather than having separate static variables in each report package.

For example, if a static variable CurrentMonth is initially set to "June" in one report package, and later updated to "July," this updated value should automatically reflect in all other report packages without needing to redefine or update the variable in each package individually. Can this be implemented?