Cold wave conditions persisted in Himachal Pradesh on Sunday with popular tourist hotspots shivering at sub-zero temperatures in the state, the MeT office said. The minimum temperature decreased by 2 to 3 degrees Celsius, Shimla MeT Centre Director Manmohan Singh said. Kufri recorded a low of minus 4.6-degrees Celsius, followed by Manali (minus 4.4-degrees Celsius), Dalhousie (minus 2.4-degrees Celsius) and Shimla (minus 0.6-degrees Celsius).