condition mean min max 0 h after light 0.0241426 0.0 0.0482852 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.054047 0.0 0.108094 4 h after dark 0.0704902 0.0481637 0.0928167 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0