The commissioner shall keep in the commissioner’s office a record of all fires occurring in this state and of all the facts concerning the fires occurring in the state, including statistics as to the extent of the fires and the damage caused by the fires, and whether such losses were covered by insurance, and, if so, in what amount. Such records shall be made daily from the reports made to the commissioner by the commissioner’s assistants under this chapter. All such records shall be public, except any information secured in an investigation under this chapter, which the commissioner, in the commissioner’s discretion, may withhold from the public.