Theoretically outdoor temperature dictates indoor temperature. But there is probably a delay. A building should be able to keep its indoor temperature for some time, if insulated at all. Can we see what delay it is?
The delay is probably not constant, as it is also influenced by wind (windchill effect), changes in athmospheric pressure (air tries to move either in or out) and intensity of sunlight (sun shining through window influences room temperature).… Read the rest