NEW DELHI: Ominously, three of the six hottest March days recorded since 1951 at Safdarjung have come in the last four years.While the temperature hit 40 degrees C last year, a high of 39.2 degrees was recorded on March 31, 2019.
As per IMD’s criteria for declaring a heatwave, the maximum temperature has to be 40 degrees Celsius or above, it has to be 4.5 degrees or more above normal temperature and these conditions have to persist for two days running.
