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 0.0 0.0 0.0 8 h after light 0.083654 0.0 0.167308 12 h after light 0.089951 0.0 0.179902 2 h after dark 0.0 0.0 0.0 4 h after dark 0.327534 0.0 0.655068 8 h after dark 0.0 0.0 0.0 12 h after dark 0.3521 0.0 0.7042