condition mean min max 0 h after light 0.23075049999999997 0.184798 0.276703 4 h after light 0.325127 0.227345 0.422909 8 h after light 0.27837 0.228129 0.328611 4 h after dark 0.4535555 0.318303 0.588808 8 h after dark 0.2963755 0.274814 0.317937 12 h after dark 0.2523005 0.090104 0.414497