Evaporative cooling could lower the temperature of the air entering a
condneser coil in almost any environment.

Roof is always hotter than documented in-the-shade dry bulb
temperatures. So a humif environment in the low 90s would be well over
100 on the roof top. Evaporative cooling could pull the air temp down
even in a humid environment.

A lawn sprinkler on a condenser coil makes a big difference on the
hottest of days