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
2020/02/15 08:59 GMT 12.5 °C 10.2 °C 9.6 °C S 5.6 mph 19.7 mph 0.5 mm
2020/02/16 08:58 GMT 12.3 °C 11.7 °C 10.3 °C S 10.5 mph 36.5 mph 19.4 mm
2020/02/17 08:58 GMT 11.0 °C 7.0 °C 5.1 °C SSW 5.4 mph 26.6 mph 16.4 mm
2020/02/18 08:58 GMT 10.3 °C 6.7 °C 4.0 °C WSW 4.0 mph 19.7 mph 0.6 mm
2020/02/19 08:58 GMT 10.8 °C 5.9 °C 1.7 °C SW 3.5 mph 18.3 mph 5.9 mm
2020/02/20 08:58 GMT 9.2 °C 8.0 °C 8.1 °C S 4.5 mph 18.3 mph 2.5 mm
2020/02/21 08:58 GMT 9.6 °C 5.4 °C 3.1 °C SW 4.1 mph 22.8 mph 5.6 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
Saturday 15 February, 08:59 GMTOccasional rain, worsening
Sunday 16 February, 08:58 GMTRather unsettled clearing later
Monday 17 February, 08:58 GMTShowery early, improving
Tuesday 18 February, 08:58 GMTBecoming fine
Wednesday 19 February, 08:58 GMTBecoming fine
Thursday 20 February, 08:58 GMTOccasional rain, worsening
Friday 21 February, 08:58 GMTBecoming fine

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom