Thursday 12 September 2019

August 2019 Summary

In Brief:
Unsettled and very wet first half, then drier third week.  Night-time temperatures above average.  Warm by day at the beginning, and the final ten days, but no hot weather.

Temperature: [Minimum]:
Lowest: 10.5 degs C on the 29th.
Highest: 18.0 degs C on the 3rd.  Warmest for August since 2013. 
Average minimum:  14.62 degs C.   Warmest for August since 2013 and 4th warmest of the last 16 Augusts.
Nights with temperature below 5 degs C = 0.
Nights with temperature below 0 degs C = 0.

Temperature: [Maximum]:
Lowest: 18.2 degs C on the 16th.  Every August since 2013 has had a cooler day than this.
Highest: 24.0 degs C on the 2nd. 
Average maximum: 21.24 degs C.  Highest for August since 2014, and 5th highest since 2008.
Days with temperature above 20 degs C = 24.   Most for August since 2014.
Days with temperature above 25 degs C = 0.  

Rainfall:
Total this month:  119.7 mm.  4th wettest August since 2008.  Wettest month since March and 2nd wettest month of 2019.
Last month [July 2019]:  57.3 mm.
Last year [August 2018]:  63.6 mm.

Wettest day:  38.5 mm on the 16th.  4th wettest August day since 2008.  2nd wettest day of 2019, behind June 7th.  The wettest days of May, June, July and August 2019 have all been Fridays.
Other days with 10 mm or more:  11th (16.8 mm), 28th (14.1 mm), 8th (13.7 mm) and 9th (12.1 mm).
Wettest spell:  8th to 19th: 95.7 mm.   

Driest spells:  20th to 27th:  No measurable rain.
Completely dry days:  11.  Fewest for August since 2015.
Days with no measurable rain:  14.  Fewest since April, and fewest for August since 2015.

Cumulatively: 2019 = 676.8 mm.
2018:  780.0 mm.  [-13.23 %].   2nd driest January to August period of the last six.

Thunder:
None this month. 

Pressure:
Lowest: 993.8 mb on the 9th.  
Highest: 1030.9 mb on the 20th and 21st.

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