January 2020 Summary

In Brief:

Unsettled first half and final week.  Dry third week, sunny at first, then cloudy.  Slightly above average temperatures day and night.  

Temperature: [Minimum]:
Lowest: 0.0 degs C on the 20th.   

Highest: 10.0 degs C on the 30th.  Since before 2004 there has always been a milder January night than this, except in 2010 and 2019.

Average minimum:  6.39 degs C.   Highest for January since 2014 and 8th highest of the last 17.
Nights with temperature below 5 degs C = 8.  Fewest for January since 2014.
Nights with temperature below 0 degs C = 0. Very close this year but only 8 of the last 17 Januaries have had any.

Temperature: [Maximum]:
Lowest: 7.3 degs C on the 28th.  Equal highest January minimum since 2016.

Highest: 13.7 degs C on the 14th.  Equal highest January maximum since 2016.

Average maximum: 10.95 degs C.  8th highest of the last 17 Januaries and highest since 2014.

Days with temperature above 20 degs C = 0.   

Days with temperature above 25 degs C = 0.  

Rainfall:
Total this month: 121.5 mm.  Driest month since August 2019.  5th driest of the last 12 Januaries. 

Last month [December 2019]:  148.9 mm.
Last year [January 2019]:  86.3 mm.

Wettest day:  18.1 mm on the 14th.  Every January after 2012 and every month after May 2019 has had a wetter day than this.

Other days with 10 mm or more:  12th (13.0 mm), 27th (11.0 mm) and 9th (10.5 mm).

Wettest spells:  12th to 14th: 36.2 mm and 26th to 29th: 26.6 mm.

Driest spell:  18th to 25th: No measurable rain.
Completely dry days:  7. 

Days with no measurable rain:  11.

Cumulatively 2020: 121.5 mm.  Same period 2019 = 86.3 mm [+40.79%].

Thunder:
None this month.

Pressure (at 2100 only):
Lowest: 994.0 mb on the 14th.  
Highest: 1044.9 mb on the 19th.