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	Wind			Rain	Pressure
Date & time		Temp	Humidity	dir	ave	gust	Rain	Pressure
2018/06/21	1355 BST	21.9 °C	33%	NNW	4.3 mph	12.1 mph	0.0 mm	1026.1 hPa, rising slowly
	1455 BST	23.3 °C	33%	N	4.2 mph	13.0 mph	0.0 mm	1026.7 hPa, rising slowly
	1555 BST	22.5 °C	31%	N	4.5 mph	13.6 mph	0.0 mm	1027.2 hPa, rising slowly
	1655 BST	20.8 °C	33%	N	4.3 mph	9.8 mph	0.0 mm	1027.5 hPa, rising slowly
	1755 BST	20.5 °C	33%	N	3.4 mph	9.2 mph	0.0 mm	1028.0 hPa, rising slowly
	1855 BST	19.4 °C	34%	N	3.2 mph	6.9 mph	0.0 mm	1028.1 hPa, rising slowly
	1955 BST	17.4 °C	38%	NNE	4.0 mph	9.2 mph	0.0 mm	1028.5 hPa, rising slowly

12 hour weather forecast, computed on Thu, 21 Jun at 08:55 BST: Settled fine.
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 0955 BST on 21 Jun 2018		Date & time
Average temperature	18.1 °C
Daytime max temp	26.8 °C	2018/06/20	1615 BST
Night min temp	10.8 °C	2018/06/21	0550 BST
Total rainfall	0.0 mm
Average wind speed	3.7 mph
Highest gust speed	14.5 mph	2018/06/21	0855 BST

From 1000 BST on 21 Jun to 1955 BST on 21 Jun 2018		Date & time
Average temperature	20.5 °C
Daytime max temp	23.3 °C	2018/06/21	1455 BST
Night min temp
Total rainfall	0.0 mm
Average wind speed	4.4 mph
Highest gust speed	13.6 mph	2018/06/21	1040 BST