condition mean min max Dawn 1.6870349999999998 1.6186699999999998 1.7553999999999998 Morning 1.9438549999999999 1.9438549999999999 1.9438549999999999 Noon 2.08568 2.08568 2.08568 Night 2.955005 2.955005 2.955005 Midnight 2.28424 2.28424 2.28424