Delhiites have started getting the pre-winter feel with a nip appearing in the late-night and early-morning air. The night temperature on Thursday dropped below 20 degrees Celsius for the first time this season, with the mercury falling to 19 degrees at Safdarjung. The upper reaches of Jammu and Kashmir and Himachal Pradesh received snow on Wednesday, in the wake of which cool northwesterly winds led to a drop in temperatures in the northern plainsDelhiites have started getting the pre-winter feel with a nip appearing in the late-night and early-morning air. The night temperature on Thursday dropped below 20 degrees Celsius for the first time this season, with the mercury falling to 19 degrees at Safdarjung. The upper reaches of Jammu and Kashmir and Himachal Pradesh received snow on Wednesday, in the wake of which cool northwesterly winds led to a drop in temperatures in the northern plains