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
2018/08/15 10:00 BST 27.4 °C 20.0 °C 14.4 °C WNW 2.6 mph 12.1 mph 0.0 mm
2018/08/16 10:00 BST 26.1 °C 20.0 °C 16.9 °C S 4.2 mph 15.9 mph 0.4 mm
2018/08/17 10:00 BST 19.2 °C 14.2 °C 8.7 °C S 1.4 mph 8.3 mph 13.1 mm
2018/08/18 10:00 BST 23.9 °C 18.3 °C 14.6 °C S 2.8 mph 13.0 mph 0.0 mm
2018/08/19 09:59 BST 22.9 °C 19.1 °C 17.1 °C S 3.3 mph 13.6 mph 0.0 mm
2018/08/20 10:00 BST 27.7 °C 20.8 °C 17.6 °C SSW 2.5 mph 13.6 mph 0.0 mm
2018/08/21 10:00 BST 26.7 °C 21.8 °C 17.3 °C SSE 1.4 mph 9.8 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
Wednesday 15 August, 08:59 BSTBecoming fine
Thursday 16 August, 08:59 BSTUnsettled, rain later
Friday 17 August, 08:59 BSTFine weather
Saturday 18 August, 08:59 BSTFine weather
Sunday 19 August, 08:59 BSTUnsettled, rain later
Monday 20 August, 08:59 BSTBecoming fine
Tuesday 21 August, 08:59 BSTFine weather

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom