Temperature recorded at the Palam observatory broke all records since the establishment of the centre in 1952.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/storm-misses-delhi-palam-478%C2%B0-breaks-all-record
[2] http://admin.indiaenvironmentportal.org.in/category/author/pheroze-l-vincent
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heat-waves
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/storms
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters