condition mean min max 0 h after light 0.7897495 0.582576 0.996923 4 h after light 1.288775 1.18509 1.39246 8 h after light 5.383325 4.93151 5.83514 4 h after dark 4.945024999999999 4.42338 5.46667 8 h after dark 1.88842 1.56769 2.20915 12 h after dark 1.1046715 0.829653 1.37969