condition mean min max 4 h after light 51.86422 48.061241 55.667199 8 h after light 73.1567765 72.70976 73.603793 12 h after light 72.833153 69.468358 76.197948 4 h after dark 107.6260245 84.864764 130.387285 8 h after dark 70.07685599999999 50.863398 89.290314 12 h after dark 49.564745 49.564745 49.564745