Introduction

This site has information about, and readings from, my automatic weather station based in North Wahroonga, New South Wales, Australia, which is about 20km north of Sydney. For more information about it, see below. For the readings, click on the links. The weather station has been active since November 2014. I previously ran a weather station in Colchester, Essex, UK, prior to moving to Sydney.

Current Conditions

Click here to see the current weather conditions and forecast for North Wahroonga. You can also see more detailed information on the Weather Underground site, by clicking here.

Statistics

Click on the links below to access previous month/ year statistical data. These will be uploaded following the end of each month.

2019
January   February   March   April   May   June   July   August   September   October   November   December   Year Summary

2018
January   February   March   April   May   June   July   August   September   October   November   December   Year Summary

2017
January   February   March   April   May   June   July   August   September   October   November   December   Year Summary

2016
January   February   March   April   May   June   July   August   September   October   November   December   Year Summary

2015
January   February   March   April   May   June   July   August   September   October   November   December   Year Summary

2014
November   December   Year Summary

The Weather Station

The weather station is a 'Fine Offset HP1000 Weather Station with WiFi'. Click here to see more details. It was installed in November 2014 in North Wahroonga, near Sydney, Australia: 33° 42' South, 151° 7' East, 178m above sea level. There is an integrated solar powered sensor suite which communicates to the base station by radio link. The base unit connects by WiFi to a router and uploads to the Weather Underground website. At the end of every month, I also analyse the data recorded using the WsWin software to produce the weather statistics pages above. The main components of the weather station are as follows:

The main display unit for the weather station receives the sensors wirelessly and connects via WiFi to a router and uploads data to Weather Underground.		This is the integrated sensor suite. This records outdoor temperature, humidity, rainfall, brightness, UV level, wind speed, wind gust speed and wind direction. There is also an indoor sensor which records temperature, humidity and barometric pressure.

Calculation of Sunshine Time

The weather station measures brightness but does not calculate sunshine duration. I have developed code using the algorithms known as the "Carpentras Method" and the data uploaded to Weather Underground to calculate the sunshine duration for each day. This gives a good match to the calculation the WsWin software makes. The equations and code are available for use and can be accessed if you click here.

Air Quality Monitoring

In January 2018, I added an air quality monitoring sensor. This uses the Plantower PMS5003 sensor and I have used a Raspberry Pi to capture the data. The software is based on that produced by https://www.rigacci.org but I have altered it to provide the outputs displayed on this website. Further information about air quality can be found here.

If you have any comments, or want any information, please send me an  email at steve@tijou.co.uk.

This page was last updated 5 February 2018.

Click to see the former Colchester Weather Site which I ran from August 2004 to July 2014, before I came to Australia.