Year QDC_N (nT) QDC_S (nT) QDCtot (nT) PCN (mV/m) PCS (mV/m) PCmean PCwinter Ekl (mV/m) 1998 51.67845 57.93726 109.61571 0.72583 0.67583 0.70083 0.64167 0.5975 1999 67.94812 71.47073 139.41885 0.76917 0.7325 0.75083 0.69875 0.63083 2000 73.5618 70.67319 144.235 0.80333 0.8275 0.81542 0.745 0.62917 2001 66.99001 67.11466 134.10467 0.71167 0.72917 0.72042 0.65917 0.58917 2002 75.59892 77.95675 153.55567 0.76 0.69083 0.72542 0.70833 0.71833 2003 96.72696 -- -- 0.9975 -- -- -- 0.84083 2004 60.71267 44.60527 115.16565 0.78833 0.68636 0.74045 0.72 0.59083 2005 52.35769 52.73583 105.09352 0.81167 0.78583 0.79875 0.7425 0.54917 2006 33.44098 41.74591 75.18689 0.61167 0.52417 0.56792 0.50708 0.36917 2007 33.86162 39.74026 73.60188 0.6 0.51083 0.55542 0.50708 0.32583 2008 29.58641 36.08013 65.66654 0.57167 0.505 0.53833 0.48375 0.305 2009 41.35253 24.86098 45.47604 0.36917 0.28545 0.32636 0.28417 0.23167 2010 39.53543 39.79292 79.32835 0.49167 0.45 0.47083 0.42042 0.33083 2011 44.65849 44.85985 89.51835 0.53417 0.72083 0.6275 0.5825 0.38667 2012 57.91273 59.9873 117.90002 0.62917 0.65833 0.64375 0.5875 0.46083 2013 55.25221 57.21562 112.46783 0.52 0.49167 0.50583 0.39583 0.40167 2014 48.12346 59.42977 107.55323 0.58917 0.54833 0.56875 0.44292 0.47083 2015 54.87197 56.29178 111.16375 0.71667 0.73833 0.7275 0.60292 0.55333 2016 42.87233 50.35361 93.22594 0.72167 0.71333 0.7175 0.61375 0.54167 2017 43.48377 44.20509 87.68886 0.69833 0.66417 0.68125 0.58667 0.47083 2018 38.45339 39.80017 78.25356 0.49833 0.465 0.48167 0.37833 0.375 2019 36.82602 35.55304 72.37906 0.4825 0.5025 0.4925 0.39833 0.36 mean 52.08209 51.06715 100.50473 0.65462 0.61457 0.6267 0.55746 0.48769