condition mean min max Dawn 6.2245075 5.247895 7.2011199999999995 Morning 5.936835 5.936835 5.936835 Noon 6.7715499999999995 6.7715499999999995 6.7715499999999995 Night 9.03218 9.03218 9.03218 Midnight 9.89039 9.89039 9.89039