All data analyzed in this article is provided by German Weather Service (DWD) published freely accessible. We access the data from all DWD weather stations in Germany since at least 1991 until yesterday daily data on temperature and precipitation delivery. In order to be able to show the most comprehensive picture of weather changes, we only analyze the data from weather stations that provided measured values on at least 90 percent of the days. We do not take weather stations that are located at 1000 meters or higher into account because the mountain weather measured there does not reflect the reality of life for people in the district.
We fill possible data gaps from the weather stations with almost complete data Raster data for the respective location of the station. The DWD calculates such grid data from the data actually measured everywhere in Germany. Where no weather station measures, the missing values are estimated using a model.
We update this article twice a day, once early in the morning and again at midday. The DWD usually publishes the measurement data from the weather stations for the previous day in the late morning. In order to be able to classify today’s and yesterday’s weather at any time, we use forecast data for the respective location of the weather stations. We use one of these for this Interface provider Brightsky taken over Computer code.
To show whether the current weather is still normal, we compare it with the measurements from 1991 to 2020, a period in which climate change is likely to have already changed the weather compared to pre-industrial times. We define the middle 60 percent of the measured values between 1991 and 2020 as normal. For example, it is unusually warm if it is currently at least as warm as or even warmer than in the six warmest years (20 percent) in the comparison period.
We have assigned a weather station to each district. To do this, we check where a particularly large number of people live in the selected district and then calculate which weather station best measures the weather for these people with the most complete data possible.
All texts in this article are automatically generated daily using computer code according to rules elaborately created by us, and the graphics are automatically filled with the most current data. If it is particularly warm, you will read a different text than on a cool day, for example. Despite all care, minor errors or unclear wording may occur. If you notice any errors or have any questions or comments, you can send us an email to [email protected].
This project was particularly supported by the Climate headquarters of the Stuttgarter Zeitung inspired. Take a look there too.
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