Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez 2010;;;;;;;;;-28.8;-22.5;-15.6;-9.7 2011;-9.8;-16.2;-20.8;-23.7;-29.3;-28.0;-29.7;-26.5;-24.8;-22.2;-16.3;-10.8 2012;;-15.2;-21.5;-26.6;-25.2;-26.0;;-25.6;-27.0;-23.6;-15.6;-10.9 2013;-8.9;-16.3;-21.6;-27.4;-27.0;-28.7;-31.1;-25.8;-21.6;-22.8;-17.4;-10.0 2014;-9.4;-15.4;-21.6;-23.5;-28.1;-30.7;-25.6;-30.3;-28.0;-22.6;-14.7;-11.6 2015;;-15.7;-19.6;-26.3;-25.6;-28.9;-28.9;-28.0;-28.9;-25.9;-17.8;-11.1 2016;-11.3;-16.1;-21.1;-27.2;-22.2;-27.0;-27.5;-27.0;-25.8;-21.8;-13.5;-10.7 2017;-9.9;-11.9;-21.8;-26.2;-27.3;-31.4;-28.2;-29.5;-25.4;-23.0;-15.4;-11.9 2018;-10.1;-14.9;-20.6;-20.7;-28.8;-30.6;-26.0;-26.6;-27.4;-23.6;-16.1;-10.9