condition mean min max 4 h after light 0.03398785 0.0338557 0.03412 8 h after light 0.03702345 0.0 0.0740469 12 h after light 0.0447838 0.0 0.0895676 4 h after dark 0.1037103 0.0598726 0.147548 8 h after dark 0.0368401 0.0293158 0.0443644 12 h after dark 0.02911775 0.0 0.0582355