Wednesday 22 August 2018

July 2018 Summary

In Brief:
Mostly dry and warm, or hot, with plenty of sunshine.   Unsettled at the beginning and end of the month.

Temperature: [Minimum]:
Lowest:  11.4 degs C on the 31st.  There has been a lower minimum temperature than this every month since at least August 2013.
Highest:  17.7 degs C on the 2nd and 27th.  Highest of any month since July 2016.
Average minimum:  15.06 degs C.  3rd* highest of the last 15 Julys [behind 2006 and 2013*].
Nights with temperature below 5 degs C = 0.
Nights with temperature below 0 degs C = 0.
*Unreliable thermometer in use in late 2013.

Temperature: [Maximum]:
Lowest: 17.7 degs C on the 4th. There's been a colder day than this every month since July 2016. 
Highest: 27.4 degs C on the 2nd and 9th. Warmest days since June 2017, and warmest in July since 2014.
Average maximum: 23.44 degs C. Highest of any month since July 2014. 4th highest of last 15 Julys [behind 2006, 2013 and 2014].
Days with temperature above 20 degs C =  28. Highest of any month since July 2014.
Days with temperature above 25 degs C = 7.  Highest of any month since July 2014.

Rainfall:
Total: 45.8 mm.  2nd driest month of 2018, behind June, and 4th driest of the last 11 Julys. 
June 2018:  9.6 mm.
July 2017:  102.3 mm.

Wettest day:  21.1 mm on the 29th.  Wettest day since April.
Wettest spells:  27th to 30th: 34.3 mm, and 1st to 4th: 8.4 mm. 
Driest spells:  5th to 15th: Dry.  No measurable rain: 18th to 26th.
Completely dry days:  21.  Most for July since at least 2007 and most for any month since April 2017.
Days with no measurable rain: 22.  Most for July since 2013.
Cumulatively:  2018 = 716.4 mm. [3rd wettest of last 10 January to July totals].
2017:  577.9 mm.  [+23.97%].

Thunder:
None this month.

Pressure:
Lowest:  997.9 mb on the 29th.  
Highest:  1029.6 mb on the 9th.

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