Saturday 12 August 2017

July 2017 Summary

In Brief:
Fine and warm first 10 days, then unsettled.  Some very wet days and very cool at times final week.

Temperature: [Minimum]:
Lowest:  10.8 degs C on the 22nd. 
Highest:  16.9 degs C on the 19th. 
Average minimum:  14.11 degs C.  Highest for July since 2014 and 7th highest of the last 14 Julys.
Nights with temperature below 5 degs C = 0.
Nights with temperature below 0 degs C = 0.

Temperature: [Maximum]:
Lowest:  15.6 degs C on the 29th.  3rd coldest July day since at least 2003.
Highest:  25.5 degs C on the 6th. 
Average maximum:  20.55 degs C.  2nd lowest of the last 14 Julys.  Coldest = 2015.
Days with temperature above 20 degs C = 19.  2nd fewest for July since at least 2003.  Fewest = 2016.
Days with temperature above 25 degs C = 1. 

Rainfall:
Total: 102.3 mm.  Wettest month since March 2017.  5th wettest of last 10 Julys.
June 2017:  92.7 mm.
July 2016:  24.9 mm.

Wettest day:  29.5 mm on the 21st. Wettest day since October 24th 2016, and wetter than the entire month of July 2016.
Driest spells:  No measurable rain before 11th and from 14th to 17th.
Wettest spells:  53.9 mm: 18th to 22nd.  33.9 mm: 25th to 29th.
Other days with  >10 mm: 29th [22.0], and 11th [10.9].

Completely dry days:  11.  Fewest since March 2017.
Days with no measurable rain:  19.  2nd most for July, implying most of the rain fell on relatively few days. Most = 2013.

Cumulatively:  2017:  577.9 mm.
2016:  731.3 mm.  [-20.98%].

Thunder:
18th.

Pressure:
Lowest:  1001.3 mb on the 21st.  
Highest: 1026.9 mb on the 16th.

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