condition mean min max 2 h after light 0.31595466666666666 0.0 0.64387 6 h after light 0.5955973333333333 0.277732 1.36206 10 h after light 0.409837 0.236942 1.02887 14 h after light 0.37933649999999997 0.270605 0.716787 18 h after light 0.43716900000000003 0.0 0.845358 2 h after dark 1.6654738333333334 0.754959 2.96573