October 2017 Summary

In Brief:
Changeable first half, wet third week then fine at the end. 
Temperatures about average by day and slightly above by night.
Drier than usual.

Temperature: [Minimum]:
Lowest:  5.6 degs C on the 31st. 
Highest:  15.6 degs C on the 14th.  Only 0.3 degs lower than August's night-time max.  Highest October minimum since 2013.
Average minimum:  11.32 degs C.  Only 0.17 degs lower than September's average.  7th highest of the last 14 Octobers. 
Nights with temperature below 5 degs C = 0.  First time in October since 2014.
Nights with temperature below 0 degs C = 0.

Temperature: [Maximum]:
Lowest:  13.2 degs C on the 22nd.   Lowest max in September was 12.0 degs C.
Highest:  18.1 degs C on the 13th and 16th.  Although the highest temperature of the month, the 18.1 on the 16th was recorded close to 0700!
Average maximum:  15.73 degs C.  5th lowest of the last 14 Octobers.  Highest since 2014.
Days with temperature above 20 degs C = 0. 
Days with temperature above 25 degs C = 0. 

Rainfall:
Total: 82.0 mm.  Driest month since May 2017.  2nd driest October since at least 2007.  Driest = 2015.
September 2017:  152.6 mm.
October 2016:  90.6 mm.

Wettest day:  15.5 mm on the 19th.  Has been a wetter October day every year since 2008, except 2015.
Other days with >5 mm: 14.5 mm [23rd]; 11.9 [21st]; 10.5 [20th];  8.9 [7th]. 
Wettest spell: 19th to 23rd: 53.7 mm  [65.48% of total].
Driest spells:  8th to 18th: 5.7 mm; and no measurable rain after 25th.
Completely dry days:  11.  Days with no measurable rain:  14. 
Cumulatively:  2017:  899.9 mm.
2016:  1039.5 mm.  [-13.43%].

Thunder:
Thunder was heard on the 15th.

Pressure:
Lowest:  993.0 mb on the 19th.  
Highest: 1039.1 mb on the 27th.