A bug in the script a New Home (Frostpunk)

Recently decided to re-take the main scenario. In General, the bottom 34, when the temperature becomes -70 degrees, dramatically increases the consumption of food rations. 4000 rations sold out in a day and a half. At the same time in the statistics menu there is no deficit, the amount of rations is less than the quantity produced. What could be the problem, a bug of the game? In the first pass, this problem was not observed.