condition mean min max 2 h after light 0.4326183333333333 0.0 1.30681 6 h after light 0.4630791666666667 0.0 1.9044 10 h after light 0.7657265 0.0 3.60152 14 h after light 0.6892035 0.0 2.05089 18 h after light 0.439442 0.0 1.6892 2 h after dark 0.3486846666666667 0.0 1.2195