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
2021/07/23 09:55 BST 31.3 °C 22.7 °C 14.5 °C ESE 1.4 mph 9.8 mph 0.0 mm
2021/07/24 09:58 BST 26.0 °C 19.2 °C 16.2 °C ENE 3.2 mph 13.0 mph 0.6 mm
2021/07/25 09:58 BST 25.6 °C 19.2 °C 16.6 °C NE 1.2 mph 7.6 mph 0.0 mm
2021/07/26 09:58 BST 22.8 °C 17.6 °C 15.9 °C NNW 0.7 mph 10.7 mph 63.9 mm
2021/07/27 09:58 BST 26.9 °C 20.3 °C 15.4 °C S 1.7 mph 11.4 mph 0.0 mm
2021/07/28 09:58 BST 23.4 °C 18.2 °C 15.4 °C S 2.8 mph 13.6 mph 5.7 mm
2021/07/29 09:58 BST 22.2 °C 15.1 °C 11.7 °C SW 3.1 mph 17.4 mph 20.7 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 23 July, 08:57 BSTFine weather
Saturday 24 July, 08:58 BSTShowery, becoming less settled
Sunday 25 July, 08:58 BSTBecoming fine
Monday 26 July, 08:58 BSTBecoming fine
Tuesday 27 July, 08:58 BSTBecoming fine
Wednesday 28 July, 08:58 BSTFairly fine, improving
Thursday 29 July, 08:58 BSTBecoming fine

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom