The average (median) time spent in emergency departments decreased in July compared to the previous month to two hours and thirty nine minutes.
Roedd yr amser cyfartalog (canolrifol) a gafodd ei dreulio mewn adrannau brys wedi gostwng ym mis Gorffennaf o’i gymharu â’r mis blaenorol, i ddwy awr a thri deg naw munud.