Lake Geneva °C in 53 years), while the average temperature of surface water (5 meters deep) increased from 10.9 °C in 1970 to 12.9 °C in 2016 (+ 2 °C in 46 years). Lake Geneva (and particularly the lakeside parts of the city of Geneva) can be affected by the cold Bise, a north easterly wind. This can lead to severe icing in winter. The strength of the Bise wind can be determined by the difference in air pressure (in hectopascal [hPa]) between Geneva and Güttingen in canton of Thurgau. Bise arises as soon as the air pressure in Güttingen is higher
French name of the name, being associated with claims to a place, but this is not always the case. The name de Gaulle, for example, is not a traditional French name with a "particule", but a Flemish Dutch name that evolved from a form of "De Walle" meaning "the wall". A popular misconception is that the "particule" "De-" included in the name always indicates membership of the nobility, that is to say, an original separated "de" that was linked to the name during the French revolution as "De-". That is sometimes true. Almost all nobility titles are of the form [title] <nowiki>[</nowiki>particle