Observatory reports exceptionally dull May

Jun 03, 2014

Armagh Observatory reports that, with just 104.2 hours of strong sunshine, May 2014 was the dullest May at Armagh since at least 1885, that is, for at least 129 years. The month provided just 60% of the most recent (1981–2010) May 30-year average for the total number of hours of strong sunshine. The sunniest day was the 21st, with a total of 12 hours of strong sunshine.

The mean monthly was 12.1 Celsius, approximately 0.9 degrees Celsius warmer than the most recent (1981–2010) 30-year average for May. The warmest day (highest maximum air temperature) was 21.0 degrees C on the 31st, and the coolest night (lowest minimum air temperature) was 5.0 degrees C on the 3rd. There were 3 nights with ground frost. This was the warmest May at Armagh since 2008.

Total precipitation for the month was 60.9 mm (2.4 inches), approximately 5% wetter than the most recent (1981–2010) 30-year average for May. The wettest day was the 10th, with 10.7 mm of rainfall.

May marks the end of the meteorological Spring (March, April and May). Taking Spring 2014 as a whole, this was the dullest Spring since 1998 but the fifth warmest on record, the five mildest Springs at Armagh now being 2011 (10.0 C), 1945 (10.0 C), 2007 (9.9 C), 1893 (9.9 C) and 2014 (9.8 C). Total precipitation was close to average.

These data refer to observations at Armagh Observatory, which has been recording the weather at Armagh since 1795.

Explore further: April global temperature tied for highest since 1880, NOAA reports

Related Stories

US spring warming off the charts

Jun 07, 2012

The continental United States experienced the warmest spring on record this year, with temperatures far above the average over the past century, government scientists said Thursday.

France has had hottest year since 1900

Dec 27, 2011

This year was the hottest in France since the start of the 20th century, Meteo France said Tuesday, with average national temperatures 1.5 degrees Celsius warmer than the norm.

Recommended for you

Mountain of electrical waste reaches new peak

15 hours ago

A record amount of electrical and electronic waste hit the rubbish tips in 2014, with the biggest per-capita tallies in countries that pride themselves on environmental consciousness, a report said Sunday.

China's struggle for water security

Apr 18, 2015

Way back in 1999, before he became China's prime minister, Wen Jiabao warned that water scarcity posed one of the greatest threats to the "survival of the nation".

Canada revises upward CO2 emission data since 1990

Apr 18, 2015

Canada revised its greenhouse gas emission data from 1990 to 2013 in a report Friday, showing it had higher carbon dioxide discharges each year, and a doubling of emissions from its oil sands.

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.