The percentage of patients spending less than 4 hours in A&E decreased and the number of patients spending more than 12 hours in A&E increased.
Cynyddodd canran y cleifion sy'n treulio llai na 4 awr yno a gostyngodd nifer y cleifion a dreuliodd fwy na 12 awr yn yr adran Damweiniau ac Achosion Brys.