condition mean min max Dawn 1.373238 1.206861 1.539615 Morning 0.8944225 0.8944225 0.8944225 Noon 0.951681 0.951681 0.951681 Night 1.28099 1.28099 1.28099 Midnight 1.5717789999999998 1.5717789999999998 1.5717789999999998