condition mean min max 0 h after light 0.14816605 0.0593511 0.236981 4 h after light 0.2949945 0.1811 0.408889 8 h after light 0.8039965 0.70337 0.904623 4 h after dark 1.224445 1.16373 1.28516 8 h after dark 0.61611 0.408445 0.823775 12 h after dark 0.232797 0.118332 0.347262