Temperature

The First Doctor found "normal" temperature on a ship and a planet. (TV: The Sensorites, Galaxy 4)
By 2007, a poster in Deffry Vale High School featured a "Temperature Chart", going from blue to red. (TV: School Reunion)
Mr Ross said that any offer made by the Eleventh Doctor to take one's temperature with just his finger ought to be declined. (TV: The Doctor Drops In)