A substrate processing system includes a processing chamber, a substrate support including a plurality of heater zones arranged in the processing chamber, a gas delivery system configured to deliver process gases to the processing chamber, and a controller configured to communicate with the gas delivery system and the plurality of heater zones, initiate a first treatment step of a process during a transient temperature period after a substrate is arranged on the substrate support and prior to the substrate reaching a steady-state temperature of the substrate support, and adjust heating to each of the plurality of heater zones during the first treatment step based on average heat functions determined for corresponding ones of the plurality of heater zones during a period corresponding to the first treatment step.
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