A condition is more than a number.
Each zone has its own context: location, commodity, limits and the latest reading. A stale or missing reading stays visibly different from one within range.
Zone conditions
The sample site and commodities are fictional.
North chamber · 4.6 °C
Caldera Reagent Kits · 2.0–8.0 °C in force
Loading bay · 7.8 °C
Transit hold · most recent reading 03:42 UTC
South chamber · 8.6 °C
Outside the upper limit · alert open for review