time of year. so seeing a huge number of extreme events in the climate system. arctic. number of extreme events in the climate system. arctic. seeing a clear progression climate system. arctic. seeing a clear progression 80 climate system. arctic. seeing a clear progression 80 julys - climate system. arctic. seeing a clear progression 80 julys in - climate system. arctic. seeing a clear progression 80 julys in the . clear progression 80 julys in the data from that you can clearly see from the graph coming up from the right hand side seek and see just the way it has gone across a century orso the way it has gone across a century or so now. the global mean temperatures temporarily exceeded 1.5 celsius, the threshold above preindustrial levels during the first and third week of this month. a real alarm bell given everything we know about the threshold, is it not? , , . not? yes it is. if exceeded the threshold not? yes it is. if exceeded the threshold in not? yes it i