 On 18 July, a temperature of was recorded in Birr, County Offaly; the same day, was recorded at Kilkenny Castle, County Kilkenny and Shannon Airport, County Clare.However, temperatures again rose to at Casement Aerodrome, Dublin; and at Elphin, County Roscommon on the 19 July – this is the warmest temperature recorded in Ireland since 1976.Temperatures over are rare in Ireland, being recorded about once or twice every decade – 1976, 1983, 1989, 1995, 2003 and now 2006 are the most recent times of such high temperatures.