condition mean min max 0 h after light 17.9176 14.9469 20.8883 4 h after light 20.115099999999998 15.8107 24.4195 8 h after light 17.723750000000003 11.239 24.2085 4 h after dark 23.052999999999997 22.2734 23.8326 8 h after dark 26.870449999999998 23.5113 30.2296 12 h after dark 17.9251 13.1122 22.738