Studying a summer frontal system

An OK sort of day without being exceptional in any way.  Dry for the most part, but cloud gradually thickened heralding the arrival of a front around lunchtime.

I've some new charts to show the change in temperature, wind and rain over the 24 hours, and these show quite nicely what happens as the front first approaches and then passes.  The wind slowly picks up throughout the morning, as does the temperature, but as the front passes over there's a noticeable dip in temperature, up to 5°C, and a fairly brief spell of heavy rain: we had 2.1mm between 1pm and 2pm.  After the front, the temperature gradually climbed again, and with clearer skies it felt quite pleasant.

Temperature 
Maximum: 21.6°C (12:45).  Minimum: 13.5°C (23:00).  Average temperature for the day: 17.1°C
Highest apparent temperature: 21.5°C (13:00).  Low apparent temperature: 12.7°C (23:45)

Wind
Highest sustained wind speed: 12.5mph (13:50).
Highest gust speed: 14.5mph (13:50), bearing 225 (SW)
Dominant wind bearing: 297 (WNW)

Pressure
Maximum: 1015.8Mb, minimum: 1011.4Mb

Humidity
Highest: 86% (09:40), lowest 60% (17:05)

Rainfall
Total for today: 2.4mm. Highest hourly rainfall: 2.1mm/hr (13:45)