Though, it was a false security because it was the perfect time to strike. The audio levels were so high during a storm that a thief could probably smash through a lock or break a window without the residents hearing the ruckus.
Regardless, I still enjoy the peace that comes with rain.
Biblically, rain symbolized security: the crops would succeed. In Canada, rain reduces the risk of forest fire so fire bans are lifted.
(Plus it means it's not snowing.)