condition mean min max 4 h after light 0.6468515 0.335739 0.957964 8 h after light 0.1460125 0.117147 0.174878 12 h after light 0.0 0.0 0.0 4 h after dark 0.06910466666666666 0.0 0.207314 8 h after dark 0.13061933333333334 0.0 0.391858 12 h after dark 0.129187 0.0 0.214199