Are designated temperatures for planting vegetable seeds a daytime or night temperature?

Question

peas

Answer 1

Usually it is expressed with soil temperature. For convenience, you can take the temperature in early morning. The best temperature for growing peas is between 60 and 75 degrees F., as they are a warm season vegetable.

http://www.gardening.cornell.edu/homegardening/scene9697.html

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/determining-soil-temperature.htm