Tuesday, 27 March 2018

February 2018 Summary

In Brief:
Cold and unsettled first two weeks with some snow.  Drier and milder third week.  Unusually cold final week with further snow.

Temperature: [Minimum]:
Lowest:  -3.2 degs C on the 28th.  Lowest minimum in any month since February 2012.
Highest:  8.9 degs C on the 19th.  Every month since February 2015 has had a milder night.
Average minimum:  2.59 degs C.  Lowest of the last 15 Februaries, and coldest of any month since December 2010.
Nights with temperature below 5 degs C = 22. Most for February since at least 2003, and most for any month since January 2010 when there were 23, although then 3 more qualifying days.
Nights with temperature below 0 degs C = 6.  Equal most since February 2015.  [13 in December 2010].

Temperature: [Maximum]:
Lowest:  -1.3 degs C on the 28th.  Coldest day ever at this location - since at least 2003.  Previous coldest day = +2.3 degs C on 1st December 2010, meaning record broken by 3.6 degs C!
Highest:  12.6 degs C on the 17th and 19th.  Every February since 2004 had a milder day than this.
Average maximum:  7.91 degs C.  Lowest of the last 15 Februaries and coldest of any month since December 2010 [7.83 degs C].
Days with temperature above 20 degs C = 0.
Days with temperature above 25 degs C = 0. 

Rainfall:
Total: 92.0 mm.  Driest February since 2013.
January 2018:  216.9 mm.
February 2017:  97.8 mm.

Wettest day:  16.9 mm on the 13th.
Other days with >10 mm: 16.5 mm [3rd]; 13.9 mm [14th]; 10.9 mm [8th].
Wettest spell: 7th to 14th: 62.4 mm.  
Driest spells:  No measurable rain: 19th to 26th.
Completely dry days:  9.  Most since October 2017.
Days with no measurable rain:  11.
Cumulatively:  2018 = 308.9 mm.
2017:  178.1 mm.  [+73.44%].

Snow fell/lying on 6th, 7th, 26th, 27th, 28th.

Thunder:
None this month.

Pressure:
Lowest:  991.9 mb on the 13th.  
Highest: 1032.3 mb on the 5th.

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