Safdarjung, the city's primary observatory, recorded a minimum temperature of 3.8 degrees Celsius, 3.6 notches below normal, the India Meteorological Department (IMD) said.
Palam recorded a minimum temperature of 4.4 degrees Celsius, 2.9 notches below normal, and Lodhi Road recorded a minimum temperature of 3.6 degrees Celsius, 2.4 notches below normal.
The Ridge recorded a low of 4.6 degrees Celsius, 3.5 notches below normal, and Ayanagar recorded a low of 4 degrees Celsius, 3.1 notches below normal.
According to the IMD, cold wave conditions are declared when minimum temperatures fall 4.5 to 6.4 degrees below normal.
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