On New Year's Day, dense fog and numbing cold gripped Delhi as the mercury plunged to 1.1 degrees celsius, the lowest in 15 years. The Safdarjung Observatory, which provides representative city statistics, reported a minimum of 1.1 degrees Celsius, the weather department said.
The city reported a minimum of 0.2 degrees centigrade on January 8, 2006.
The India Meteorological Department (IMD) said the lowest minimum temperature recorded in January last year was 2.4 degrees celsius.
Kuldeep Srivastava, the head of the regional forecasting centre of the IMD, told that "very dense" fog decreased visibility at 6 am at Safdarjung and Palam to "zero" metres. Mr. Srivastava said that, under the influence of a "intense" western disturbance that will impact northwest India from January 2 to January 6, the minimum temperature will start rising from tomorrow. By January 4-5, the minimum temperature is expected to rise to 8 degrees Celsius.
"The minimum temperature of 1.1 degrees Celsius is the coldest in 15 years. In 2006, the temperature dipped to 0.2 degrees celsius. Cold wave conditions will persist today but the temperature will rise from tomorrow," Mr. Srivastava said.
According to the IMD, when visibility is between 0 and 50 metres, "very dense" fog is In the case of "dense" fog, visibility varies from 51 to 200 metres, "moderate" from 201 to 500 metres, and "shallow" from 501 to 1000 metres.
On Thursday, Delhi reported a minimum of 3.3 degrees celsius. At 15.2 degrees Celsius, on December 18, the city reported the lowest maximum temperature of the season.