Temperatures are going to plummet further and the ongoing cold wave conditions in the State would prevail ahead of the Christmas, the Regional Office of IMD here said on Saturday.The cold conditions are due to the flow of northerly winds sweeping the State. The minimum temperature fell by three to five degree Celsius and the condition is likely to prevail in the next 48 hours, the IMD said.As many as six places in the State recorded temperature below 12 degree Celsius on Friday. While Jharsuguda recorded the lowest of 8.2 degree, Phulbani recorded 9.5 degree. Angul 10 degree, Baripada 10.5 degree, Baripada. and Keonjhar recorded 11.7 degree each and Sundargarh12.degree. The twin cities of Cuttack and Bhubaneswar recorded 13.8 and 16.5 degree, respectively.