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
2018/02/18 08:59 GMT 12.2 °C 6.0 °C 1.4 °C SSE 2.0 mph 9.8 mph 0.0 mm
2018/02/19 08:59 GMT 12.1 °C 7.7 °C 6.2 °C SSE 2.0 mph 10.7 mph 1.0 mm
2018/02/20 08:59 GMT 10.3 °C 9.0 °C 7.8 °C NNW 2.1 mph 12.1 mph 3.0 mm
2018/02/21 08:59 GMT 9.7 °C 5.3 °C -0.9 °C N 4.1 mph 20.6 mph 0.5 mm
2018/02/22 08:59 GMT 7.9 °C 4.4 °C 0.2 °C NE 2.2 mph 9.2 mph 0.3 mm
2018/02/23 08:59 GMT 7.4 °C 0.4 °C -5.1 °C ENE 1.7 mph 14.5 mph 0.0 mm
2018/02/24 08:59 GMT 5.0 °C 0.6 °C -3.8 °C E 2.8 mph 15.9 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 19 February, 08:58 GMTFairly fine, showers likely
Tuesday 20 February, 08:58 GMTFine weather
Wednesday 21 February, 08:58 GMTFine weather
Thursday 22 February, 08:58 GMTFine weather
Friday 23 February, 08:58 GMTFine weather
Saturday 24 February, 08:58 GMTFine weather
Sunday 25 February, 08:58 GMTSettled fine

Graphs of the last 7 days

Graphs of last 7 days weather at Stoneleigh, near Epsom