October 2018 Summary

In Brief:
Mostly fine and dry but unsettled and wet mid-month and very cold final week, particularly at night.

Temperature: [Minimum]:
Lowest:  0.3 degs C on the 30th.  Coldest October night since before 2004.  [2nd = 1.4 in 2008].
Highest:  15.8 degs C on the 13th.  In October, warmest since 2013 and only exceeded in 2012 and 2013 since before 2004.
Average minimum:  8.77 degs C.  Lowest of last 15 Octobers.  Without final 5 nights: 9.98 [7th lowest].
Nights with temperature below 5 degs C = 5, the final 5.  Most in October since 2003.
Nights with temperature below 0 degs C = 0.

Temperature: [Maximum]:
Lowest: 6.9 degs C on the 27th. Coldest October day by far since before 2004. [2nd = 9.0 in 2012]. 
Highest: 18.2 degs C on the 5th.  Warmest October day since 2015.
Average maximum: 14.6 degs C.  Lowest since before 2004.
Days with temperature above 20 degs C =  0.  None in October since 2014.
Days with temperature above 25 degs C = 0. 

Rainfall:
Total:  72.1 mm.  Wettest month since April but 2nd driest October since before 2008 [Driest = 2015 with 63.2]. 
September 2018:  68.6 mm.
October 2017:  82.0 mm.

Wettest day:  20.4 mm on the 12th. 
Other days with more than 10 mm:  14th [12.0 mm] and 11th [11.0 mm].
Wettest spell:  11th to 14th: 50.7 mm.  [70.32% of month's total].
Driest spell: 18th to 25th: 0 mm.
Completely dry days:  18.  Equal most for October since before 2008 [with 2015].
Days with no measurable rain: 21.  Most for October since before 2008.

Cumulatively: 2018 = 920.7 mm [2nd driest of the last 7 January to October totals].
2017:  899.9 mm.  [+2.31%].

Thunder:
None this month.

Pressure:
Lowest:  995.9 mb on the 11th.  
Highest:  1043.6 mb on the 22nd.