QUESTION $4[25$ MARKS$]$

Mean air temperature $=28\mathrm{.}4C$

Mean due point temperature $=20\mathrm{.}5C$

Mean sunshine hours $=8$ hour $\frac{?}{?}$ day

Mean wind velocity $=2\mathrm{.}5\frac{m}{s}at8m$ above ground level

Determine all questions listed in $($i$)$ to $($iii$)$ for the area of Chuping, Perlis in June, $2022$:

i$)$ heat budget at the evaporating surface

$[8$ Marks$]$

ii$)$ drying power of air due to wind effect

$[3$ Marks$]$

iii$)$ potential evaporation for that year

$[4$ Marks$]$