This is the best tl;dr I could make, original reduced by 54%. (I'm a bot)

> New Year's Eve saw temperatures rise to 20°C in canton Jura.

> As the weather service Meteonews announced on Saturday, New Year's Eve 2022 in Delsberg, the Jura cantonal capital, also caused the second highest temperature ever measured in December.

> Temperatures that are high for the time of year were also measured on Saturday in in Basel-Binningen, St. Gallen and Adelboden BE. The weather service had already warned of possible high temperature records on New Year's Eve and New Year's Day in several parts of Switzerland.

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