Hello, my dear friends! Today I'm starting a series of blog posts and
YouTube tutorials
dedicated to Netatmo personal weather stations. In these articles I will show
you how to download the data recorded by your weather station, import it into
an InfluxDB database, and create attractive visualizations of the data.
Analyzing the recorded data will help you better understand the local weather
patterns and get the most out of your weather station.
Part 1: Downloading Data from Your Netatmo Weather Station
In this series first part, I will guide you through downloading the data and saving the entire archive of weather data recorded by your station onto your disk. It's time-consuming, but you only have to do it once. Subsequent data are smaller in size and will be easier to process.
Step 1: Accessing Your Netatmo Dashboard
First, access the Netatmo web page and go to the My App section. If you are not already logged in, the login screen will appear. I will skip this and proceed directly to the weather station dashboard.
Step 2: Identifying the Start of Your Recordings
The first step is to go to "Year" and navigate back to identify the start of our recordings. My recordings began in July 2016, so we will start downloading the data from there.
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| Finding the beginning of weather recordings in Netatmo dashboard |
Step 3: Downloading Weather Data
To download the data, follow these steps:
Go to Settings > Data Management > Download. Then go to Weather
Select the "Data Rate: All Measurements" option for the best temporal resolution. Then, choose the CSV format and confirm the selection.
Then, choose the outdoor module for weather data, and set the download period from July 1, 2016, to October 31, 2016.
The outdoor module only records temperature and humidity. In Netatmo personal weather stations the pressure is recorded by the base module. If you also need pressure you will have to export the base station data and import the pressure data separately. This data will have different timecodes than the outdoor module.
Important Note on Download Periods
In the Netatmo dashboard, if you select "Data Rate: All Measurements," you cannot download periods longer than three months. You will receive an error if you try to download a longer period, for example, until November 16. Therefore, return and select the correct period of a maximum of three months, then click Download.
As such, always download the files in three-month periods: July - September, October - December, and so on.
Repeating the Process for Each Year
For 2017, follow the same procedure:
- January - March
- April - June
- July - September
- October - December
Downloading Data for the Current Year
For the current year, 2024, we will download the first period of the year, from January to March. Since June has not ended, we will only download April and May, stopping on May 31. We will download June later and add it to our database.
Handling Errors and Crashes
If you encounter problems, such as errors or crashes, click Cancel and try again.
I noticed that such errors occur more often when downloading large amounts of data. So either accept the errors and click cancel each time, or give up and try again after a while.
Storing and Sharing Your Data
When the operation is complete, all the downloaded files should be in the Downloads folder. I will also archive these files and publish the link so everyone can download the data to experiment with. In these files, I have changed the location to point to the middle of a nearby forest for privacy reasons. And while we're on the subject of privacy and related things, it's always a good idea to check the data license terms before you use it, especially if you want to use it for commercial purposes.
Outcome
We have completed the first stage: downloading data from Netatmo. If you
encounter any issues or want to explore further, I'm here to help.
In
the next blog post, I will show you how to import the data into InfluxDB.
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