Tale of the tape: How Storm Ophelia battered Ireland
Ex-hurricane Ophelia is described as one of the most powerful storms to hit Ireland.
Here are some specifics about the effect on the island:
:: Three people died. Fintan Goss, a 33-year-old father-of-two, was killed when a car he was in was struck by a tree while another man, named locally as Michael Pyke, 31, died in a chainsaw accident when he was trying to clear a tree downed by the wind. Nurse Clare O'Neill, who would have turned 59 on Tuesday, died when a tree fell on her car in severe wind. Her elderly mother, who was travelling with her, was injured.
:: At the peak of the storm at around 4pm on Monday afternoon 385,000 homes and businesses were without power in the Republic of Ireland. In Northern Ireland the maximum number of people without power at any one time was 20,000, NIE said.
:: A day on from the storm 80,000 people were without water supply in the Republic.
:: The strongest gusts of the day were recorded as 119mph at Fastnet Lighthouse off the south west coast of Ireland.
:: The eye of the storm passed over Valentia Observatory in Co Kerry at around 10am.
:: The storm first hit counties Kerry and Cork at around 5am, and was expected to have cleared Donegal and the north coast.