Please note that one hospital in Wales was unable to supply data on the number of patients admitted for 13, 22, 23, 26 and 27 July 2021 due to a data processing issue.
Nodwch nad oedd un ysbyty yng Nghymru yn gallu darparu data ar nifer y cleifion a dderbyniwyd ar 13, 22, 23, 26 a 27 Gorffennaf 2021 oherwydd mater prosesu data.