The national capital has recorded a maximum temperature of 42 degrees Celsius and above on 25 days so far this summer season, the highest number of such days since 2012, according to India Meteorological Department (IMD) data. In 2012, the city recorded a maximum temperature of 42 degrees Celsius or above for 30 days. The number of such days was 35 in 2010, the highest in the 1951-2022 period, the data showed.