Kashmir's famous Dal Lake froze on Thursday as a severe cold wave in the valley continued with Srinagar recording the coldest night in 30 years. Srinagar recorded a low of minus 8.4 degree Celsius, the coldest temperature recorded in the city since 1991 when the mercury had plunged to minus 11.8 degree Celsius, officials in the weather department said. In 1995, the minimum temperature was minus 11.3 degree Celsius.