Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez 2007;;;;-38.6;-40.6;-40.5;-41.3;-42.7;-39.9;-36.5;-19.3;-9.7 2008;-8.6;-22.5;-32.8;-37.2;-41.7;-37.4;-47.5;-54.6;-40.8;-33.1;-23.7;-11.8 2009;-11.3;-24.2;-35.5;-30.8;-44.9;-45.6;-43.2;-45.8;-46.5;-34.8;-16.8;-10.1 2010;-11.6;-19.8;-31.4;-36.1;-45.2;-47.0;-47.7;-47.0;-46.2;-35.8;-20.9;-11.0 2011;-11.4;-22.8;-30.3;-39.2;-39.2;-38.8;-35.2;-39.9;-43.0;-32.1;-20.1;-9.7 2012;-11.1;-18.0;-30.4;-37.1;-34.0;-45.6;-47.5;-46.9;-38.9;-30.0;-21.3;-8.3 2013;-9.1;-19.0;-27.5;-45.3;-37.1;-48.4;-46.1;-45.8;-41.0;-31.3;-22.3;-10.9 2014;-10.2;-20.3;-32.3;-45.1;-39.5;-47.4;-51.7;-36.0;-34.9;-28.9;-22.6;-12.7 2015;-11.4;-18.6;-32.7;-44.3;-40.6;-43.7;-50.1;-44.1;-46.6;-35.2;-23.2;-11.1 2016;-7.7;;-32.8;-40.2;-41.7;-46.1;-48.0;-44.0;-42.4;-33.5;-20.8;-11.7 2017;-11.9;-23.5;-32.3;-32.0;-35.2;-42.7;-47.8;-40.4;-48.4;-33.4;-23.0;-11.8 2018;-12.0;-20.4;-29.8;-37.3;-42.7;-42.5;-44.5;-49.5;-40.5;-28.7;-19.2;-10.2 2019;-11.5;-17.4;-31.2;-40.2;-38.3;-41.4;-40.3;-37.1;-37.9;-32.2;-21.4;-9.7 2020;-11.4;-17.0;-31.3;-38.9;-39.4;-41.9;-39.8;-42.5;-42.2;-30.2;-23.8;-12.5