Delhi recorded the season’s lowest temperature on Friday with mercury tumbling to 1.1 degrees Celsius in the morning. Teh Capital woke up in a thick blanket of fog on the first morning of the new year with near zero visibility in some areas early in the morning. The visibility improved later. Many parts of the northwestern plains have recorded sub zero or near 0°C minimum temperatures in the last couple of days. On Thursday for example, Hisar and Narnaul in Haryana recorded -1.2°C and 0.5°C respectively; Bhatinda and Ballowal in Punjab recorded 0°C and 0.2°C respectively.