Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez 2009;;;;;;;;;;-30.1;-17.1;-13.1 2010;-15.1;-19.3;-26.7;-29.1;-34.3;-34.2;-39.2;-33.4;-34.2;-27.8;-20.3;-13.4 2011;-14.1;-21.2;-27.2;-32.0;-29.8;-32.2;-26.3;-29.8;-37.8;-24.2;-16.8;-12.3 2012;-14.5;-18.7;-25.6;-28.9;-27.8;-36.2;-35.5;-35.6;-33.0;-26.0;-19.8;-10.3 2013;-11.0;-20.0;-22.9;-34.8;-32.6;-37.5;-36.3;-34.2;-33.2;-27.1;-20.9;-12.6 2014;-13.1;-20.7;-27.8;-32.7;-25.6;-33.1;-39.6;-29.8;-25.8;;; 2016;;;-28.4;-32.8;-31.1;-35.4;-36.3;-33.4;-35.0;-25.5;-18.9;-11.9 2017;-14.7;-18.6;-24.9;-24.0;-26.2;-32.7;-36.3;-33.4;-38.2;-25.4;-20.6;-13.5 2018;-13.3;-20.1;-24.3;-27.7;-33.7;-33.3;-33.7;-34.8;-35.0;-23.6;-18.4;-12.1 2019;-12.9;-18.4;-26.5;-29.7;-29.6;-32.6;-33.9;-32.4;-30.0;-27.5;-19.0;-12.9 2020;-14.1;-15.2;-29.2;-30.8;-27.6;-33.8;-34.2;-32.9;-33.3;-27.0;-21.8;-13.9