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
2020/09/21 09:56 BST 26.8 °C 18.4 °C 13.6 °C NE 1.5 mph 11.4 mph 0.0 mm
2020/09/22 09:56 BST 25.6 °C 16.6 °C 10.3 °C NNE 0.4 mph 7.6 mph 0.0 mm
2020/09/23 09:56 BST 26.4 °C 18.8 °C 14.9 °C S 2.5 mph 15.9 mph 0.6 mm
2020/09/24 09:56 BST 19.0 °C 12.7 °C 7.5 °C SSW 2.8 mph 19.0 mph 6.6 mm
2020/09/25 09:56 BST 17.7 °C 9.3 °C 4.9 °C SW 1.6 mph 15.2 mph 1.7 mm
2020/09/26 09:56 BST 14.4 °C 10.3 °C 5.9 °C NNW 3.9 mph 20.6 mph 0.0 mm
2020/09/27 09:58 BST 14.0 °C 11.1 °C 10.1 °C NNW 4.5 mph 17.4 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
Monday 21 September, 08:55 BSTFine weather
Tuesday 22 September, 08:55 BSTShowery, becoming less settled
Wednesday 23 September, 08:55 BSTChangeable, some rain
Thursday 24 September, 08:55 BSTUnsettled, some rain
Friday 25 September, 08:55 BSTFairly fine, improving
Saturday 26 September, 08:55 BSTBecoming fine
Sunday 27 September, 08:57 BSTFine weather

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom