Summer vacation holidays, due to their longer teaching hours during term. In Austria, summer vacation dates vary by region, however the break lasts nine weeks throughout the whole country. School usually ends in early July and starts in early September. In the regions of Vienna, Lower Austria and the Burgenland summer break starts on the first Saturday in July and one week later in Carinthia, Styria, the Tyrol, Vorarlberg, Salzburg and Upper Austria. School recommences on the first Monday in September in Vienna, Lower Austria and the Burgenland and on the second Monday of September in the other regions. In Bangladesh, summer
2013 European floods between 30 and 70 years. The bulk of the rain fell in only two days in Salzburg, Tyrol, and Vorarlberg, which is thought to have a return period of more than 100 years. Following the intense rain, sporadic showers and rainfall continued to raise the risk of further flooding but no rainfall of the intensity as that seen on 31 May-2 June occurred. Some Flash flooding occurred in the Polish capital Warsaw on 9 June, as a result of thunderstorms. The flood waters were expected to exceed the levels seen during the disastrous "once in a century" Central European floods