Answer:
The answer would be "A short story". 
A short story would have the following characteristics: 
Exposition:	Introduction over a few paragraphs or sentences at the beginning.
Rising Action:	One or two main events involving few characters over several paragraphs.
Climax:	Protagonist makes a decision to solve the conflict.
Falling Action:	Protagonist experiences the effects of the decision.
Dénouement:	Protagonist learns a lesson. This may be expressed over a few paragraphs or sentences at the end. The end is often surprising to the reader.
Length of Story:	Several pages.
 
        
             
        
        
        
Answer:
To let the reader know it was a cold day.