In an underground mine atmosphere, the alcohol of a Kata thermometer took \(60\) s to fall from \(38^{\circ}\)C to \(35^{\circ}\)C. The Kata factor of the thermometer is \(480\) milli-calories cm\(^{-2}\). The Kata cooling power, in \(W\,m^{-2}\), is . (Rounded off to one decimal place)