The annual course series allow the comparison and ranking of current temperature, sunshine and rainfall measurements against their long-term averages (norm values). The examples given here show the preceding 12 months to date, updated on a daily basis, for three stations - Bern/Zollikofen, Davos and Lugano.
Annual course series for temperature-sunshine-precipitation
Annual course series in Bern/Zollikofen 2018/2019
The graph shows the temperature deviation from the average homogeneous daily mean of the normal period from 1981 to 2010. Red bars indicate warmer days, and blue bars colder days. The temperatures in May 2017 were to a large extent cooler than the long-term average. From the beginning of February to the middle of March, temperatures were generally warmer than normal. The 2018/2019 temperatures can be classified by means of the additionally illustrated standard deviation (dotted line) as well as the highest and lowest measured temperatures (grey values). Temperatures at the end of June and end of July 2019 were record-highs. The average temperature of 10.1 °C, which was higher than normal by 1.3 °C, likewise illustrates that the temperatures were higher during the past twelve months.