1000z: 22003KT 4000m Slight drizzle 6ST004 8ST009 11.0/10.4 QFF 1014.5 rising.
SYNOP: 41240 82203 10110 20104 40145 53004 75165 886// 333 86704 88709=
A dry day Saturday, apart from a brief slight rain shower around 1430z. Mostly cloudy (cumulus and stratocumulus) but partly cloudy during the morning with sunny intervals. Medium cloud increasing late afternoon into the evening to give a cloudy night. Slight rain started around 0100z, increasing to moderate between 0200z and 0700z before easing off to slight again. Warm front through at 0830z, with a 3-degree temperature rise. Surface wind W'ly F3-4, backing southwesterly in the afternoon, and then southeasterly during the evening. F2 or less after 1500z. On the warm front, the wind veered southwesterly but remains light (F2 or less). Extensive low cloud formed during the second half of the night, and persists now. Precipitation mostly drizzle since 0800z.

22/0900z to 23/0900z:
Max: 10.7 (0858z) [0900z-2100z max: 9.9 (1216z)]
Min: 7.4 (0254z)
Rain: 7.6 mm

--
Freddie
Ystrad
Rhondda
148m AMSL
http://www.hosiene.co.uk/weather/
https://twitter.com/YstradRhonddaWx for hourly reports (very few tweets getting through currently)
Stats for the month so far: https://www.hosiene.co.uk/weather/st...201812DEC.xlsx