condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.03218425 0.0 0.0643685 8 h after light 0.0 0.0 0.0 12 h after light 0.1254855 0.0 0.250971 2 h after dark 0.2461 0.0 0.4922 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