condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.03263675 0.0 0.0652735 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0328761 0.0 0.0657522 12 h after dark 0.0 0.0 0.0