In the morning, Google shows the temperature from four or five hours ago (around 2:00 a.m.). But then I update the report, and I get the temperature slightly lower than before. Why is the temperature at 2:00 a.m. higher than the temperature at 7:00 a.m.?

As I have no provileges to edit questions with no review, I asked for permission to retag uncorrectly taged questions or missing tags some time ago. I will be sending 3 questions to review each day until I finish reviewing. After that I will simply retag new questions uncorrectly taged. Question:...