New Delhi, Dec. 4 -- The Capital recorded another sharp dip in temperatures on Wednesday. The minimum temperature was logged at 6.4degC, which was 3.1degC below normal. Daytime conditions also remained cold with a marginal increase in the wind speed. The maximum slipped to 23.7degC, around 1.6degC below normal. The India Meteorological Department (IMD) had earlier issued a cold wave alert for isolated pockets of Delhi between December 2 and 5. However, officials said the alert now remains only for December 5, owing to a brief change in wind direction on Tuesday. "Colder northwesterly winds will return from Wednesday and will likely drag temperatures down to 5-7degC by December 5," an IMD official said. Meanwhile, the air quality remained ho...