Greenville was founded in 1846. The city was named after Thomas J. Green, a significant contributor to the establishment of Texas as a Republic. He later became a member of the Congress of the Republic of Texas.
Regarding extremes, the highest air temperature recorded in Ireland was + 33.3Â°C at Kilkenny Castle 26th June 1887. The record maximum during the 20th century is +32.5Â°C at Boora, Co. Offaly on 29th June 1976. The lowest air temperature was -19.1Â°C measured at Markree Castle, Co.
The highest known monthly sunshine total in Northern Ireland is 298 hours recorded at Mount Stewart (County Down) in June 1940. The highest UK monthly total is 383.9 hours at Eastbourne in July 1911.he mean annual temperature decreases by approximately 0.5 Â°C for each 100 metres increase in height so that, for example, Parkmore Forest in County Antrim (at 235 metres) has an annual mean temperature of 7.7 Â°C. On this basis, Slieve Donard (at 852 metres) would have an annual mean temperature of about 4.5 Â°C.