If the room temperature is currently 72 degrees, subtract this and you end up with a pre-wash water temperature of 100F. Run the hot and cold water tap with a 32oz wide mouth container under it and a thermometer reading the water temperature.
(the room temperature; is; T:currently; 72 degrees) (you; end up; with a pre-wash water temperature of 100F. Run) (a thermometer; reading; the water temperature)
the room temperature you a thermometer
is end up reading
T:currently 72 degrees
with a pre-wash water temperature of 100F. Run
the water temperature