condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.07207016666666667 0.0 0.432421 14 h after light 0.0800025 0.0 0.480015 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0