I fought my UDS yesterday with the variable winds here over 25mph. I had swings of 30-50* in both directions from my target.
Usually I settle in around 270-280 with little effort and an occasional +20 when I open the lid. I was using RO lump.
UDS with Weber rotisserie, Blue Weber Performer with gas assist, Smoke Hollow elec. smoker, SJG mini-WSM, White thermapen, Blue-Backlight thermapen, Maverick ET-732 x 2, BernzOmatic JT-850 Weed Burner, BernzOmatic TS8000BZKC Hand Torch.