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 0.0 0.0 0.0 4 h after dark 0.058874 0.0 0.117748 8 h after dark 0.0 0.0 0.0 12 h after dark 0.059865 0.0 0.11973