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 0.0447287 0.0 0.0894574 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0438571 0.0 0.0877142 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0