2015 was wet, windy and slightly cool in many parts – Met Eireann

Last year, 2015, was wet, windy and slightly cool in many places, according to Met Eireann.

It recorded below Long-Term Average (LTA) mean temperatures nearly everywhere.

The coolest conditions (compared to monthly LTAs) were in July with differences from LTA of over minus 2 degrees Celsius.

December by comparison had the warmest monthly conditions with LTA differences nearing 4 degrees in the east, Met Eireann stated.

Differences from annual LTA ranged from minus 0.8 degrees Celsius at Markree, Co. Sligo with an annual mean temperature of 8.8 degrees, its coolest year in five years to 0.3 degrees at Dublin (Phoenix Park) with an annual mean temperature of 9.9 degrees.

A few other stations, mainly located in the midlands and west, reported their lowest annual mean temperatures since 2010.

Met Eireann recorded that the highest annual temperatures were mainly recorded in June and July with the highest annual maximum recorded at Dublin (Phoenix Park) on June 30 with 25.6 degrees, its highest June maximum since 1996.

The lowest annual temperatures were mainly recorded in January and February with the lowest annual minimum reported Dublin Airport on the February 3 with minus 7.9 degrees, its lowest for February since 1956 and its lowest annual temperature since 2010.

Nearly all places report on or above normal rainfall – Met Eireann

Annual rainfall totals comparisons to LTA were nearly all on or above their LTA.

The driest month (compared to LTA) was June with monthly LTAs in the east below 30% (attributed to a ‘dry spell’ between June 6 and 26).

The wettest conditions (compared to LTA) were in December when parts of the south reported 300% or more of the normal rainfall.

Annual percentage of LTA values ranged from 96% at Mace Head, Co Galway with 1281.6mm to 137% at Knock Airport, Co. Mayo with 1852.0mm, its wettest years since the station opened in 1996.

Malin Head, Co Donegal reported an annual total of 1483.9mm (134% of LTA) and its wettest year since records began at the site in 1885.

Newport, Co. Mayo reported the highest annual rainfall with 2078.8mm (129% of LTA), its wettest since the site opened in 1960, while most other stations in the west, south and midlands reported it was their wettest year in six to 13 years.

According to Met Eireann, the highest daily rainfall was at Malin Head on December 5 during Storm Desmond with 80.7mm, the wettest day at the station since 1955.

Annual sunshine totals were lowest at Knock Airport where the dullest year since the station opened 19 years ago was reported with an annual total of 980.9 hours (daily mean of 2.7 hrs/day, 82% of LTA).

The sunniest day was June 10 reported at both Dublin Airport and Casement Aerodrome, Co. Dublin with 15.7 hours and Dublin Airport’s sunniest day in five years.

Two-thirds of stations reported their highest annual mean wind speeds in at least six to 25 years, with Shannon Airport, Co. Clare reporting an annual wind speed of 10.4 knots (19.3km/h), its highest since 1982.

The year’s highest gust was 76 knots (141km/h) at Mace Head on February 23 while the highest 10 minute wind speed was 55 knots (102km/h) at Sherkin Island, Co. Cork on December 30.

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