Why is deltaTime different in BP and C++?

Hey -

I compared DeltaTime in code by printing it every tick

GEngine->AddOnScreenDebugMessage(-1, 2.5f, FColor::Blue, FString::SanitizeFloat(DeltaTime));

I also created a blueprint from the class and printed DeltaTime from the Event Tick node. In both instances it printed .008333 to the screen. How were you measuring the difference in DeltaTime when you were testing?