condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0791275 0.0 0.158255 12 h after light 0.0 0.0 0.0 2 h after dark 0.1646435 0.157762 0.171525 4 h after dark 0.076427 0.0 0.152854 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0