condition mean min max 4 h after light 0.008961 0.0 0.017922 8 h after light 0.04898775 0.0 0.0979755 12 h after light 0.0 0.0 0.0 4 h after dark 0.0681355 0.0 0.13535 8 h after dark 0.0557351 0.0 0.0956026 12 h after dark 0.005561900000000001 0.0 0.0166857