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
Graphs of the last 24 hours