That's a nice chart, there is a good one and a good calculator at Pulse Labs site too:
"Why devote an entire guide to VPD?" you might ask. The answer is that the vapor pressure deficit (VPD) is extremely important for growing plants. VPD helps you identify the correct range of temperature and humidity to aim for in your grow space. With VPD you can achieve the best results while...
pulsegrow.com
@Faceoff_one If you decide to be really anal and follow a chart like this exactly, you'll also need a non contact IR thermometer. They are about 14 bucks on Amazon and you don't need one to be in the ballpark.