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
2019/12/09 08:59 GMT 11.1 °C 7.8 °C 6.3 °C WSW 5.1 mph 22.1 mph 2.5 mm
2019/12/10 08:59 GMT 9.6 °C 4.1 °C -0.6 °C N 2.4 mph 16.8 mph 0.0 mm
2019/12/11 08:59 GMT 11.2 °C 7.2 °C 2.0 °C S 5.1 mph 22.1 mph 4.0 mm
2019/12/12 08:59 GMT 8.5 °C 3.6 °C 0.2 °C S 1.9 mph 11.4 mph 0.4 mm
2019/12/13 08:59 GMT 8.6 °C 7.1 °C 6.1 °C S 4.2 mph 22.1 mph 11.9 mm
2019/12/14 08:59 GMT 8.4 °C 5.9 °C 3.9 °C W 3.4 mph 16.8 mph 3.9 mm
2019/12/15 08:59 GMT 8.2 °C 6.5 °C 4.7 °C SW 4.7 mph 22.1 mph 10.0 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
Monday 09 December, 08:58 GMTFairly fine, improving
Tuesday 10 December, 08:58 GMTShowery, becoming less settled
Wednesday 11 December, 08:58 GMTOccasional rain, worsening
Thursday 12 December, 08:58 GMTRain, very unsettled
Friday 13 December, 08:58 GMTUnsettled, probably improving
Saturday 14 December, 08:58 GMTUnsettled, probably improving
Sunday 15 December, 08:58 GMTRather unsettled clearing later

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom