Q$10.$ For the city $(x),$ the following data is obtained from the project location and historical temperature data:

a$-$ Latitude $32\mathrm{.}1$ degrees

b$-7-$day average maximum air temperature is $40C$ with a $5($standard deviation$)$ of $2C$

c$-1-$day average minimum air temperature is $-5c$ with a $5$ of $3c$

Determine :

$1-$ The high pavement temperature at $20mm$ depth.

$2-$ The minimum pavement temperature at the surface.

$3-$ Performance Grade for Reliability $50\%$ and $98\%.$