Problem $1$

The peak design dry bulb temperature for a city where a building is located is $90F.$ The daily range temperature for the city is $25F.$ Midnight is hour $1.$

$($a$)$ Determine the outdoor dry bulb temperature for the city at $6$:$00$ p$.$m$.($hour $18).$

$($b$)$ Generate and show a table of the hourly outdoor air dry bulb temperature for the $24-$hr day for the city. Note: For this $($b$)$ part of the problem, you are required to show only this table.