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
2021/04/13 09:58 BST 12.8 °C 3.7 °C -3.3 °C NW 0.6 mph 10.7 mph 1.8 mm
2021/04/14 09:58 BST 14.4 °C 6.4 °C 0.5 °C SSW 0.8 mph 12.1 mph 0.0 mm
2021/04/15 09:56 BST 15.0 °C 6.6 °C -1.4 °C NNE 1.7 mph 11.4 mph 0.0 mm
2021/04/16 09:56 BST 14.0 °C 4.5 °C -2.4 °C NNE 1.0 mph 11.4 mph 0.4 mm
2021/04/17 09:56 BST 15.2 °C 5.9 °C -2.9 °C NNE 1.0 mph 9.8 mph 0.0 mm
2021/04/18 09:56 BST 16.7 °C 7.7 °C -1.7 °C NNE 1.0 mph 10.7 mph 0.0 mm
2021/04/19 09:59 BST 16.6 °C 6.9 °C 0.0 °C ENE 0.6 mph 7.6 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 12 April, 08:57 BSTSettled fine
Tuesday 13 April, 08:57 BSTSettled fine
Wednesday 14 April, 08:57 BSTSettled fine
Thursday 15 April, 08:57 BSTSettled fine
Friday 16 April, 08:55 BSTSettled fine
Saturday 17 April, 08:55 BSTSettled fine
Sunday 18 April, 08:55 BSTSettled fine
Monday 19 April, 08:59 BSTFine weather

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom