condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.2890915 0.207638 0.370545 4 h after light 0.0 0.0 0.0 8 h after light 0.0951365 0.0 0.190273 12 h after light 0.0928745 0.0 0.185749 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0