I believe it’s both. High clouds (or contrails) tend to reflect light and heat during the day and tend to blanket heat in during the night. So, during the part of the calendar with long days, they make it cooler. Months with long nights, warmer.
I believe it’s both. High clouds (or contrails) tend to reflect light and heat during the day and tend to blanket heat in during the night. So, during the part of the calendar with long days, they make it cooler. Months with long nights, warmer.