Climate
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The climate of County Kilkenny, like the climate of Ireland, is a changeable oceanic climate with few extremes. It is defined as a temperate oceanic climate, or Cfb on the Köppen climate classification system. Kilkenny lies in plant Hardiness zone 9. Weatherwise, the county is generally representative of wide river valleys in the region with low temperatures on cloudless nights, and is significant in that it records some of the highest summer and lowest winter temperatures in Ireland. The highest air temperature ever recorded in Ireland was 33.3 °C (91.9 °F), at Kilkenny Castle on 26 June 1887.
The Met Éireann Kilkenny Weather Observing Station, 2 km north-west of Kilkenny City centre, on the Duningstown Road, opened in May 1957, and observations ceased in April 2008. A climatological station is currently in operation within 1 km of the old site, and as of March 2010, was providing live weather data to the general public and climate data to Met Éireann.
The maximum temperature recorded at the Met Station was 30.8 °C (87.4 °F) on 2 August 1995. Extremes recorded at the station include the highest air temperature of 31.5 °C (88.7 °F) on 29 June 1976, the lowest air temperature of −14.1 °C (6.6 °F) on 2 January 1979 and the lowest ground temperature of −18.1 °C (−0.6 °F) on 12 January 1982. The maximum daily sunshine was 16.3 hours on 18 June 1978. The warmest and sunniest month on record in Kilkenny was August 1995 with a total of 274.9 hours sunshine and very high temperatures throughout. The maximum daily sunshine was 16.3 hours on 18 June 1978. The overall trend in temperatures has been on the rise with a marked increase from 1988 onwards. Annual temperatures are running over 0.5 degrees above 20th century levels.
The maximum daily rainfall recorded at Kilkenny station was 66.4 millimetres (2.61 in) on 17 July 1983. The late 1950s and early 1960s were wet but rainfall had been steady throughout the century. 2002 was a very wet year and since 2005 annual rainfall has been increased steadily, with 2009 being the wettest year since records commenced in 1958. At the centre of the county, Kilkenny is in a sheltered location, over 60 km inland and is surrounded by hills over 200m, which ensures that it is not a windy location. The highest wind gust of 77 knots, from a south-west direction, was recorded on 12 January 1974.
Read more about this topic: County Kilkenny
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