condition mean min max 4 h after light 13.448207 13.216861 13.679553 8 h after light 12.035168500000001 11.719884 12.350453 12 h after light 12.2391675 11.410385 13.06795 4 h after dark 10.5014085 10.191565 10.811252 8 h after dark 10.7329735 10.04027 11.425677 12 h after dark 17.066162 17.066162 17.066162