Here’s an example on how to add color threshold so that it alerts when the current value to day deviates by +-5 degF
Step 1: Calculate daily average temperature using signal from condition.
Step 2: Create the high and low limits in the formula as below:-
High Limit:
($averagetemperature.move(1d))+5
Low Limit:
($averagetemperature.move(1d))-5
Step 3: Add the high and low limits in the metric's threshold as below screenshot:-