Yes, cold. Ambient temperature would have been 25C, here in Brisbane, QLD.
Coefficient of thermal expansion for oils and transmission fluids is around 0.0007 per degree C (0.07%/C). So, if you've got 12 liters in the pan, it will expand 0.0084 L per degree C. AFT operating temperature hovers between 175°F to 200°F (79°C to 93°C), but it's important to note that specific values can vary based on the make and model of your vehicle.
U660e fluid capacity including the torque convertor is approx. 6.3 litres.
Have fun playing with the data.