human
Question: Which of the following data would be most useful for describing the climate of a specific area?

Choices:
A) average weekly wind speeds for 1 month
B) daily relative humidity levels for 18 months
C) total annual precipitation amounts for 2 years
D) average high and low monthly temperatures for 20 years
gpt
The correct answer is 3: average high and low monthly temperatures for 20 years.