Oct 012017
 
Weather review - September 2017

September 2017 was the second wettest ever recorded here with rain being recorded on 23 days. Temperatures were below normal and winds were slightly below average. The maximum temperature in the month was 21.2°C recorded at 18:11 on the 4th, 2.6°C below the average monthly maximum. The minimum temperature was 4.8°C recorded at 08:04 on the 19th, 0.5°C below the average minimum for September. This was the lowest temperature since 4.1°C was recorded on May 11th 2017. The average temperature in the month was 12.7°C, 0.7°C below the September mean. The average daily maximum was 16.9°C, 0.8°C below the mean, [Read more]

Sep 032017
 
Weather review - August 2017

August 2017 was cooler and wetter than average. Winds were the lightest ever recorded in an August here. The average temperature in the month was 14.9°C, 0.4°C below the mean. The maximum temperature was 24.6°C at 16:13 on the 28th, with the minimum being 6.9°C at 07:48 on the 31st. This was the lowest temperature here since 6.3°C was recorded on May 21st 2017. The average daily high temperature was 19.4°C, 0.4°C below the mean. The average daily low temperature was 10.6°C, 0.8°C below the mean. The warmest day was the 28th with an average temperature of 18.6°C. The coldest [Read more]

Aug 012017
 
Weather review - July 2017

July 2017 became only the second month this year to record below average temperatures after January. Rainfall was lower than average and winds were lighter than normal. The average temperature in the month was 16.0°C, 0.2°C below the norm for July. The highest temperature was 27.3°C at 18:35 on the 6th, with the lowest being 8.8°C at 06:12 on the 17th. The average daily high temperature in the month was 20.8°C, and the average daily low was 11.7°C, both slightly below normal. The warmest day was the 6th with an average temperature of 19.9°C. The coldest day was the 11th [Read more]

Jul 012017
 
Weather review - June 2017

June 2017 continued the run of above average temperatures and was the warmest June so far recorded here. Winds were slightly stronger than average and rainfall totals were lower than the norm. The highest temperature in the month was 29.5°C recorded at 16:19 on the 19th, the highest temperature ever recorded in June here. This was also the highest temperature of 2017 so far and the highest since 30.1°C was recorded on July 19th 2016. The temperature exceeded 25°C on four occasions during the month, the first time this has happened since July 2014. The lowest temperature in the month [Read more]

Mar 032017
 
Weather review - February 2017

February 2017 was 2.5°C warmer than average, with a maximum temperature of 14.6°C. Rainfall was slightly below average and only 3.5 mm of snow was noted. Winds were average, even though an all-time record wind gust of 50 mph was recorded. The maximum temperature in the month was 14.6°C recorded at 13:46 on the 20th. This was the second highest February temperature, only beaten by the 15.6°C recorded on February 23rd 2012. The minimum temperature was -1.6°C recorded at 10:25 on the 6th, with the monthly average being 5.6°C, 1.4°C above the mean. This was the second highest February monthly average, beaten [Read more]

Sep 012016
 
Weather review - August 2016

August 2016 was a month of above average temperatures and lower than average rainfall, despite over 35 millimetres of rain falling in the last 13 days. Winds were slightly higher than normal for the time of year. The highest temperature occurred on the 23rd at 17:00, when the thermometer reached 27.2°C, making it the second warmest day of the year, beaten only by the 30.1°C recorded on July 19th. The minimum temperature was 7.6°C recorded at 05:38 on the 9th, and the average for the month was 16.3°C, the highest August average ever recorded here, beating the mean by 0.9°C. [Read more]

May 012016
 
Weather Review - April 2016

April 2016 was a cold month – only April of 2012 being colder. Winds and rainfall were slightly below average and the only snow that fell was towards the end of the month when cold Arctic air brought snow and hail showers, which were quick to disappear. The average temperature in the month was 6.7°C, 0.2°C higher than in 2012 and 1.7°C below the mean. The maximum temperature was 15.3°C at 15:36 on the 13th. This was the lowest maximum in April, the previous low being 16.3°C in 2012. The minimum temperature was -1.7°C at 05:45 on the 28th. This [Read more]

Jan 012016
 
Weather Review - December 2015

December 2015 was a remarkable month. One area of low pressure after another swept in from the Atlantic bringing gale force winds, high rainfall and exceptionally mild temperatures. The average temperature in the month was 9.0°C, 5.2°C higher than the December mean and 3.2°C higher than the previous mildest December in 2013. The maximum temperature was 14.8°C at 08:01 on the 19th, with the 7th, 16th and 17th also beating the previous high of 13.0°C set on December 18th 2014. The maximum temperature of 12.9°C, recorded at 19:36, beat the previous warmest Christmas Day record, set in 2011, by 0.7°C, [Read more]

Dec 032015
 
Weather review - November 2015

November 2015 was a windy and dull month with above average temperatures and rainfall. The maximum temperature of 16.3°C, recorded on the 10th at 13:14, was the highest ever November temperature here, beating the 16.2°C set in 2010. The maximum temperature on that day was 16.3°C, the minimum temperature was 13.8°C, and the average for the day was 15.1°C (mean 7°C). The minimum temperature fell to -2.8°C at 03:01 on the 22nd, the lowest since -3.5°C was recorded on February 2nd 2015. The average daily high temperature was 11.4°C (mean 9.5°C) and the average daily low temperature was 5.8°C (mean [Read more]

Aug 012015
 
Weather review - July 2015

Due to software and hardware problems, the station software was changed from Weather Display for Windows to WeatherCat for Mac. This was a major change of systems and as a result, no data was recorded from July 10th until July 12th. As a result of the system change, some features are no longer available to the site, but there are many new and improved features. All of the old data is still available on the new site, although some features will look different The problems weren’t sufficient to lose data on the hottest day ever recorded here, neither did they [Read more]

Mar 082015
 
Winter was drier, sunnier and warmer than usual

The meteorological Winter ended on February 28th and records show that it was another mild season with below average rainfall. There were only three occasions when a significant snowfall was recorded, and the deepest recorded snow depth was only 9.0 centimetres. The average temperature for the season, which covers December, January and February, was 4.0°C, 0.3°C above the norm for this site. The highest temperature was 14.0°C and the lowest was -3.5°C. The average high temperature was 6.9°C, 0.6°C above the norm, and the average low temperature was 1.4°C, 0.1°C above the norm. Rainfall was only 98.0 millimetres, well below the average of [Read more]

Jan 292015
 
Dramatic temperature plunge heralds arrival of Arctic air

After six days of relatively mild conditions, a cold front swept down the country on the 28th bringing cold air from the Arctic across most of the country. Although widely predicted, the rapid drop in temperatures was surprising. The chart below plots temperature and dew point readings sent from the Bracken House weather station to Weather Underground, and shows the dramatic fall in temperatures between 09:30 and 10:00. Between 09:33 and 10:00, the temperature fell from 8.6°C to 3.7°C, a fall of 4.9°C in 27 minutes. As can be seen on the graph, even after the cold front passed, the temperature [Read more]

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