Determine the unit hydrograph for a $300$ km$2$ of area with a $150$ m$3/$s baseflow

using the streamflow data tabulated below.

Time $($h$)$ Observed Hydrograph $($m$3/$s$)$

$0170$

$1150$

$2370$

$3850$

$41250$

$5925$

$6750$

$7500$

$8375$

$9250$

$10150$

$11140$