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
2020/01/11 08:59 GMT 8.3 °C 6.4 °C 3.8 °C S 2.5 mph 13.6 mph 0.0 mm
2020/01/12 08:59 GMT 10.0 °C 9.7 °C 9.0 °C S 6.4 mph 19.7 mph 0.9 mm
2020/01/13 09:00 GMT 11.5 °C 7.8 °C 5.0 °C SSW 3.4 mph 18.3 mph 0.0 mm
2020/01/14 09:00 GMT 10.6 °C 8.5 °C 7.0 °C S 6.2 mph 27.3 mph 6.3 mm
2020/01/15 09:00 GMT 12.5 °C 10.5 °C 6.2 °C S 7.8 mph 28.2 mph 16.3 mm
2020/01/16 09:00 GMT 9.4 °C 6.8 °C 5.8 °C S 3.1 mph 13.6 mph 0.9 mm
2020/01/17 09:00 GMT 11.7 °C 9.9 °C 7.5 °C SSE 6.0 mph 24.4 mph 5.4 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
Saturday 11 January, 08:58 GMTFine, possible showers
Sunday 12 January, 08:58 GMTFairly fine, possible showers early
Monday 13 January, 08:59 GMTUnsettled, rain later
Tuesday 14 January, 08:59 GMTUnsettled, some rain
Wednesday 15 January, 08:59 GMTFairly fine, possible showers early
Thursday 16 January, 08:59 GMTShowery, becoming less settled
Friday 17 January, 08:59 GMTShowery, bright intervals

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom