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
2019/04/19 10:00 BST 22.8 °C 13.9 °C 4.5 °C ENE 1.4 mph 15.2 mph 0.0 mm
2019/04/20 10:00 BST 26.1 °C 14.6 °C 4.2 °C NE 1.1 mph 10.7 mph 0.0 mm
2019/04/21 10:00 BST 26.8 °C 15.5 °C 3.4 °C ENE 0.9 mph 9.8 mph 0.0 mm
2019/04/22 09:59 BST 26.8 °C 15.9 °C 6.3 °C ENE 0.8 mph 9.2 mph 0.0 mm
2019/04/23 09:59 BST 27.2 °C 17.8 °C 11.0 °C ESE 1.2 mph 10.7 mph 0.0 mm
2019/04/24 09:59 BST 22.0 °C 14.8 °C 9.9 °C NE 0.8 mph 9.8 mph 0.0 mm
2019/04/25 09:59 BST 21.0 °C 12.4 °C 7.9 °C SSE 3.9 mph 15.2 mph 0.4 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 19 April, 08:59 BSTSettled fine
Saturday 20 April, 08:59 BSTSettled fine
Sunday 21 April, 08:59 BSTFine weather
Monday 22 April, 08:58 BSTUnsettled, rain later
Tuesday 23 April, 08:58 BSTChangeable, some rain
Wednesday 24 April, 08:58 BSTChangeable, some rain
Thursday 25 April, 08:58 BSTChangeable, mending

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom