condition mean min max 0 h after light 0.11919930000000001 0.0795606 0.158838 4 h after light 0.117454 0.0 0.234908 8 h after light 0.0392864 0.0 0.0785728 4 h after dark 0.156307 0.155999 0.156615 8 h after dark 0.1968629 0.0782178 0.315508 12 h after dark 0.195689 0.158624 0.232754