I would do:
26/03/2016 Arrival SFO
27/03/2016 San francisco
28/03/2016 San francisco
29/03/2016 San francisco
30/03/2016 Monterey
31/03/2016 Morro bay
1/04/2016 Santa barbara
2/04/2016 santa monica
3/04/2016 santa monica
4/04/2016 OC
5/04/2016 OC
6/04/2016 Palm springs (Joshua tree visit)
7/04/2016 via anza berrogo desert to San diego
8/04/2016 San diego
9/04/2016 San diego
10/04/2016 departure to Belgium
11/04/2016 home