Are you the type who buys new clothes each year to keep up with that year’s changing styles? For buildings, changes to a “new” style may be as simple as applying stucco over bare brick or removing parapets. Change is something we all encounter or recognize. Or do we?

As anyone who has experienced the valley monsoon knows, sudden and torrential downpours can create “rivers” as the rushing water fails to soak into our caliche soil. But do you know the history behind Arizona’s relationship with rain?