condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.22192050000000002 0.15077 0.293071 4 h after dark 0.2190615 0.0 0.438123 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0