Plenty of dry weather with high pressure dominant for most of the month. Wet and cool at the begninning and end. Mostly warm for the last ten days.
Temperature: [Minimum]:
Lowest: 3.4 degs C on the 1st. 3rd coldest May night at this location since at least 2003.
Highest: 15.0 degs C on the 29th. Warmest May night since 2012, and 2nd warmest since at least 2003.
Average minimum: 9.34 degs C. 5th lowest of the last 15 Mays.
Nights with temperature below 5 degs C = 3. Most for May since 2005 [=].
Nights with temperature below 0 degs C = 0.
Temperature: [Maximum]:
Lowest: 13.4 degs C on the 11th. There's been a colder day than this in all of the last 9 Mays, except 2014.
Highest: 23.4 degs C on the 28th. Warmest May day [= 2010] since 2007.
Average maximum: 17.79 degs C. 3rd highest of the last 10 Mays [behind 2011 & 2014]
Days with temperature above 20 degs C = 9. Most since August 2017 [=]. Most for May since 10 in 2004.
Days with temperature above 25 degs C = 0.
Rainfall:
Total: 61.2 mm. 2nd driest of last 6 Mays [behind 2016] and driest of any month since April 2017.
April 2018: 95.8 mm.
May 2017: 77.0 mm.
Wettest day: 19.6 mm on the 30th. Wettest May day since 2014.
Other day with >10 mm: 10.9 mm [2nd].
49.84% of the month's total rain fell on the 2nd and 30th only.
Wettest spells: 27th to 30th: 27.3 mm; 1st /2nd: 16.7 mm; 9th to 12th: 15.4 mm.
Driest spells: 3rd to 8th: No measurable rain; 13th to 25th: 0.1 mm.
Completely dry days: 19. Most for May since 2012 and most for any month since April 2017.
Days with no measurable rain: 22. Most for May since 2012 and most for any month since April 2017.
Cumulatively: 2018 = 661.0 mm.
2017: 382.9 mm. [+72.63%].
Thunder:
There was thunder on the 27th.
Pressure:
Lowest: 1000.6 mb on the 2nd.
Highest: 1030.7 mb on the 17th.
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