Get a simple Infrared Thermometer so you know leaf temp.
https://www.amazon.ca/Inkbird-Thermometer-%EF%BC%8CNon-Contact-Temperature-58%E2%84%89-1022%E2%84%89/dp/B08RNJMN1F/ref=sr_1_18?crid=3P3NM1YPBDYTC&keywords=inkbird+thermometer&qid=1703312459&sprefix=inkbird+thermo%2Caps%2C87&sr=8-18