Here in NZ, not even store-bought eggs are refrigerated.
I know I've had eggs out unrefrigerated for at least a month with no issues; I do not wash or scratch clean either and eating runny is pretty common in my house.
If they're particularly dirty, I'll wash before opening - but for storage, it's my understanding that an intact bloom is best and sanding can force bacteria into the pores of the shell, so I clean very sparingly.
I know I've had eggs out unrefrigerated for at least a month with no issues; I do not wash or scratch clean either and eating runny is pretty common in my house.
If they're particularly dirty, I'll wash before opening - but for storage, it's my understanding that an intact bloom is best and sanding can force bacteria into the pores of the shell, so I clean very sparingly.