They are supplementary angles. They are located on a straight line, and when added together they will add up to 180 degrees.
The average low temperature is -10.
-8+(-13)+(-4)+(-9)+(-16)= -50/5=-10
R=2.5 maybe
cwecewcwxwcwcwcwecwecewcwcewcwwcwcwcwc
Qwertyuiopasdfghjklzxcvbnmwertyuio
