India, Jan. 8 -- Heaters, mufflers and caps are out amid biting cold in Delhi-NCR with minimum temperature and the mercury in daytime as well dropping to levels that are below normal, which the Indian Meteorological Department (IMD) has attributed to upper-level fog combined with icy-cold northwesterly winds.

Delhi's Safdarjung weather station, representative of city's weather, logged a minimum temperature of 5.8 degrees Celsius - 1.1 degrees Celsius below normal - possibly the coldest of the season, on Thursday, according to data on IMD website.

The previous known lowest minimum temperature of the season - 6.1 degrees Celsius - logged on December 20.

Delhi on Wednesday recorded 'cold day' conditions for the second straight day as uppe...