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
2019/06/13 09:58 BST 19.2 °C 12.6 °C 10.7 °C SSE 1.2 mph 13.0 mph 6.6 mm
2019/06/14 09:58 BST 14.7 °C 13.2 °C 12.0 °C S 3.8 mph 15.2 mph 3.2 mm
2019/06/15 09:58 BST 19.5 °C 14.7 °C 10.4 °C S 2.9 mph 15.2 mph 1.8 mm
2019/06/16 09:55 BST 20.1 °C 13.9 °C 8.4 °C SSE 3.1 mph 17.4 mph 0.6 mm
2019/06/17 09:55 BST 20.6 °C 15.7 °C 11.1 °C SSW 3.5 mph 18.3 mph 1.7 mm
2019/06/18 09:55 BST 23.0 °C 16.6 °C 10.2 °C S 1.9 mph 14.5 mph 0.0 mm
2019/06/19 09:55 BST 20.0 °C 15.8 °C 12.8 °C N 0.3 mph 7.6 mph 7.1 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
Thursday 13 June, 08:58 BSTChangeable, some rain
Friday 14 June, 08:58 BSTFairly fine, possible showers early
Saturday 15 June, 08:58 BSTFairly fine, improving
Sunday 16 June, 08:55 BSTFairly fine, improving
Monday 17 June, 08:55 BSTFairly fine, improving
Tuesday 18 June, 08:55 BSTFine weather
Wednesday 19 June, 08:55 BSTFairly fine, improving

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom