There is also analysis of other factors which could impact the health service over the winter months including bed capacity, cost of living crisis and the elective care backlog.
Mae dadansoddiad hefyd o ffactorau eraill a allai effeithio ar y gwasanaeth iechyd dros fisoedd y gaeaf, gan gynnwys capasiti gwelyau, yr argyfwng costau byw a'r ôl-groniad gofal dewisol.