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
2018/06/15 09:55 BST 24.4 °C 17.1 °C 10.1 °C WSW 2.1 mph 15.2 mph 0.0 mm
2018/06/16 09:55 BST 25.1 °C 18.5 °C 12.9 °C SSW 1.8 mph 11.4 mph 0.0 mm
2018/06/17 09:55 BST 21.0 °C 15.7 °C 12.4 °C SSW 3.7 mph 17.4 mph 0.3 mm
2018/06/18 09:55 BST 20.1 °C 16.2 °C 14.3 °C SSW 3.5 mph 17.4 mph 0.4 mm
2018/06/19 09:55 BST 27.1 °C 20.3 °C 17.2 °C SW 4.0 mph 14.5 mph 0.0 mm
2018/06/20 09:55 BST 26.2 °C 19.4 °C 14.1 °C S 2.9 mph 12.1 mph 0.0 mm
2018/06/21 09:55 BST 26.8 °C 18.1 °C 10.8 °C NW 3.7 mph 14.5 mph 0.0 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
Friday 15 June, 08:55 BSTBecoming fine
Saturday 16 June, 08:55 BSTFine, possible showers
Sunday 17 June, 08:55 BSTFairly fine, improving
Monday 18 June, 08:55 BSTFine weather
Tuesday 19 June, 08:55 BSTSettled fine
Wednesday 20 June, 08:55 BSTFine, possible showers
Thursday 21 June, 08:55 BSTSettled fine

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom