home page > weather station > last 7 days | 28 days | every year | 24 hours | site info / site map |
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.
Experimental RSS feed of daily weather data.
24 hours ending | Temperature | Wind | Rainfall | ||||
---|---|---|---|---|---|---|---|
day max | average | night min | dir | average | max gust | ||
2021/01/12 09:00 GMT | 8.2 °C | 7.9 °C | 7.7 °C | W | 3.9 mph | 17.4 mph | 6.3 mm |
2021/01/13 09:00 GMT | 8.8 °C | 3.6 °C | -0.1 °C | NNW | 0.6 mph | 7.6 mph | 0.9 mm |
2021/01/14 09:00 GMT | 9.5 °C | 8.8 °C | 6.9 °C | W | 1.3 mph | 9.2 mph | 15.3 mm |
2021/01/15 08:58 GMT | 6.6 °C | 2.4 °C | -1.0 °C | NNE | 1.6 mph | 10.7 mph | 5.3 mm |
2021/01/16 08:58 GMT | 3.4 °C | 1.1 °C | -0.7 °C | SSE | 2.0 mph | 17.4 mph | 6.3 mm |
2021/01/17 08:58 GMT | 7.9 °C | 5.9 °C | 3.1 °C | S | 1.7 mph | 16.8 mph | 1.3 mm |
2021/01/18 08:58 GMT | 7.8 °C | 3.9 °C | 1.2 °C | WNW | 0.9 mph | 9.2 mph | 0.1 mm |
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 |
---|---|
Tuesday 12 January, 08:59 GMT | Becoming fine |
Wednesday 13 January, 08:59 GMT | Fine weather |
Thursday 14 January, 08:59 GMT | Fairly fine, showery later |
Friday 15 January, 08:57 GMT | Settled fine |
Saturday 16 January, 08:57 GMT | Unsettled, rain later |
Sunday 17 January, 08:57 GMT | Fine weather |
Monday 18 January, 08:57 GMT | Fine weather |