April 2017 Summary

 In Brief:
Predominantly dry and fine but on the cool side, particularly during the final week.  The only rain was at the beginning and the end of the month.

Temperature: [Minimum]:
Lowest:  1.8 degs C on the 27th.  Colder than any night in March.
Highest:  10.0 degs C on the 15th.  There has been a higher minimum than this every month since April 2016.
Average minimum:  6.26 degs C.  Lower than March.  2nd lowest for April since 2004.  April 2016 = 5.46 degs C.
Nights with temperature below 5 degs C = 7.  Equal to March.
Nights with temperature below 0 degs C = 0.

Temperature: [Maximum]:
Lowest:  11.3 degs C on the 25th.
Highest:  16.9 degs C on the 9th.  Equal to March.  Except in 2016, there has been a warmer day than this every April since 2004.
Average maximum:  14.59 degs C.  4th coldest of the last 14 Aprils.

Rainfall:
Total: 19.7 mm.  Driest month since September 2014.  3rd driest April of the last ten.  2011 and 2015 were drier.
March 2017:  108.1 mm.
April 2016:  61.0 mm.

Wettest day:  14.9 mm on the 30th.

Driest spell:  No measurable rain: 5th to 29th.
Completely dry: 5th to 14th and 16th to 23rd.
Besides the 30th, only 4.8 mm of rain fell during the month, all by the 4th.

Completely dry days: 22.  Most in any month since June 2015.
Days with no measurable rain:  26.  Most in any month since September 2014.


Cumulatively:  2017:  305.9 mm.
2016:  598.4 mm.  [-48.88%].
Driest January to April since at least 2008.

Thunder:
None.

Pressure:
Lowest:  999.0 mb on the 30th*.  
Highest: 1040.6 mb on the 20th.

*Pressure only known at 2200 from 27th to 30th.