Stoneleigh weather - last 24 hours

Recent amateur weather station readings at Stoneleigh, near Epsom, UK (N51.36 W0.25). No accuracy is claimed for this data. The dew point calculation is not valid for temperatures below freezing and the wind measurements are almost useless. Use at your own risk.

Data is logged and graphs are drawn by pywws software on a Raspberry Pi running Raspbian Linux.

Experimental RSS feed of hourly data and Twitter account broadcasting same data.

Readings from the last six hours

Date & time		Temp	Humidity	Dew point	Wind			Rain	Pressure
Date & time		Temp	Humidity	Dew point	dir	ave	gust	Rain	Pressure
2020/08/15	0457 BST	17.5 °C	97%	17.0 °C	N	0.3 mph	2.2 mph	0.3 mm	1014.2 hPa, falling slowly
	0557 BST	17.4 °C	97%	16.9 °C	N	0.8 mph	3.1 mph	0.4 mm	1014.5 hPa, falling slowly
	0657 BST	17.3 °C	97%	16.8 °C	NNW	0.7 mph	4.5 mph	0.3 mm	1014.8 hPa, rising slowly
	0757 BST	17.1 °C	97%	16.6 °C	NNW	1.7 mph	4.5 mph	0.3 mm	1014.8 hPa, rising slowly
	0857 BST	17.2 °C	97%	16.7 °C	N	1.4 mph	4.5 mph	0.0 mm	1015.1 hPa, rising slowly
	0957 BST	17.3 °C	97%	16.8 °C	N	1.0 mph	3.8 mph	0.1 mm	1015.2 hPa, rising slowly
	1057 BST	17.8 °C	99%	17.6 °C	N	1.1 mph	5.4 mph	0.0 mm	1015.3 hPa, rising slowly

12 hour weather forecast, computed on Sat, 15 Aug at 08:57 BST: Fine weather.
NB: this forecast is highly experimental and should not be relied upon.

Graphs of the last 24 hours

Graphs of last 24 hours weather Wind rose of last 12 hours

Summary

24 hours ending 0957 BST on 15 Aug 2020		Date & time
Average temperature	18.7 °C
Daytime max temp	20.7 °C	2020/08/14	1507 BST
Night min temp	17.1 °C	2020/08/15	0802 BST
Total rainfall	1.7 mm
Average wind speed	1.1 mph
Highest gust speed	8.3 mph	2020/08/14	1007 BST

From 1000 BST on 15 Aug to 1057 BST on 15 Aug 2020		Date & time
Average temperature	17.6 °C
Daytime max temp	17.8 °C	2020/08/15	1057 BST
Night min temp
Total rainfall	0.0 mm
Average wind speed	1.1 mph
Highest gust speed	5.4 mph	2020/08/15	1037 BST