condition mean min max Dawn 17.0197 16.017850000000003 18.021549999999998 Morning 20.634 20.634 20.634 Noon 18.503999999999998 18.503999999999998 18.503999999999998 Night 15.8575 15.8575 15.8575 Midnight 18.85675 18.85675 18.85675