condition mean min max 4 h after light 5.3703199999999995 5.315259999999999 5.435919999999999 8 h after light 5.345603333333333 5.30165 5.40856 12 h after light 5.332516666666667 5.32714 5.3403 4 h after dark 5.195046666666666 5.0823599999999995 5.3815800000000005 8 h after dark 5.2927100000000005 5.2149 5.38668 12 h after dark 5.27477 5.255380000000001 5.30307