Stoneleigh weather - last 7 days

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.

RSS Experimental RSS feed of daily weather data.

Summary of the last 7 days

24 hours ending Temperature Wind Rainfall
day max average night min dir average max gust
2017/11/15 08:55 GMT 11.3 °C 10.0 °C 9.4 °C SSW 1.4 mph 9.8 mph 0.8 mm
2017/11/16 08:55 GMT 11.8 °C 9.9 °C 8.7 °C S 0.3 mph 4.5 mph 0.0 mm
2017/11/17 08:55 GMT 13.5 °C 6.5 °C -1.8 °C E 1.4 mph 13.0 mph 0.4 mm
2017/11/18 08:55 GMT 9.1 °C 4.5 °C 0.7 °C WSW 1.0 mph 7.6 mph 0.1 mm
2017/11/19 08:56 GMT 8.8 °C 5.7 °C 0.1 °C S 1.1 mph 12.1 mph 3.6 mm
2017/11/20 08:59 GMT 7.6 °C 5.7 °C 1.6 °C S 1.4 mph 13.6 mph 1.6 mm
2017/11/21 08:59 GMT 12.6 °C 11.7 °C 11.3 °C S 3.8 mph 15.2 mph 1.6 mm

Forecasts of the last 7 days

I've recently been experimenting with a simple weather forecaster. It's a computer implementation of the 1915 patent 'pocket forecaster' made by Negretti and Zambra, a firm of instrument makers. To test its accuracy, here are its predictions for the last week.

date & time Forecast for the following 12 hours
Wednesday 15 November, 08:55 GMTFine weather
Thursday 16 November, 08:55 GMTFairly fine, improving
Friday 17 November, 08:55 GMTSettled fine
Saturday 18 November, 08:55 GMTFine, possible showers
Sunday 19 November, 08:56 GMTFine weather
Monday 20 November, 08:59 GMTUnsettled, rain later
Tuesday 21 November, 08:59 GMTFairly fine, possible showers early

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom