Last week I increased the temperature, and a day or two into the week, I realized my relative humidity had dropped from 48-50 to 40-43, with lows overnight at 33. I added a humidifier to the tent and now there's a minimum 45-50% RH. There were also a number of burnt leaves in one corner of the tent that I think were affected by last weeks' temp increase of 3-4 degrees. I'll likely keep going another week or two before harvesting.