Nice to see that it does work - I know with X-Plane it has to be pretty heavy precipitation to show up on any planes weather radar and I haven't seen it yet.
The Dataref unit of measure for the temperature is in Fahrenheit.
The Dataref unit of measure for the torque is in Newton Meters.
These values are keyframed in Blender to produce the correct gauge readings. There are no Datarefs that have the Celsius or % Torque values.