For the data given below, Calculate the runoff coefficient for the storm event, by first separating the baseflow using the $log$ Q$-$time method. The Catchment area is $16\mathrm{.}5k{m}^2.$

$\backslash$table$[[$Time$($hrs$),0,3,6,9,12,15,18,21,24,27],[$Flow $(\frac{m^3}{s}),5\mathrm{.}0,3\mathrm{.}0,2\mathrm{.}0,5\mathrm{.}7,12\mathrm{.}1,8\mathrm{.}1,5\mathrm{.}3,4\mathrm{.}0,3\mathrm{.}1,2\mathrm{.}7],[$Rainfall $(mm),0,6,10,9,4,2,0,0,0,0]]$