It is the 9th warmest start to the year, the top ten being 2016 +0.72 ºC, 1998 +0.53 ºC, 2010 +0.49 ºC, 2017 +0.32 ºC, 2007 +0.29 ºC, 2004 +0.27 ºC, 2002 +0.26 ºC, 2003 +0.25 ºC, 2018 +0.23 ºC, 2015 +0.23 ºC, the top of the pile dominated by El Nino years which TLT gives bigger wobbles to
than the surface records.