I prefer centigrade over Celsius because it's not named after a person. Also I wanted to be clear that it's a two degree drop, not 2°C.

If you want to be funky with your units, I suggest measuring 'coldness' instead of temperature and expressing it in bit per joule (or more conveniently Gibibyte per nanojoule).

See https://en.wikipedia.org/wiki/Thermodynamic_beta

> Though completely equivalent in conceptual content to temperature, β is generally considered a more fundamental quantity than temperature owing to the phenomenon of negative temperature, in which β is continuous as it crosses zero whereas T has a singularity.[6]

> In addition, β has the advantage of being easier to understand causally: If a small amount of heat is added to a system, β is the increase in entropy divided by the increase in heat. Temperature is difficult to interpret in the same sense, as it is not possible to "Add entropy" to a system except indirectly, by modifying other quantities such as temperature, volume, or number of particles.