condition mean min max 0 h after light 0.3112965 0.144623 0.47797 2 h after light 0.0754135 0.0 0.150827 4 h after light 0.281943 0.0 0.563886 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.242344 0.0 0.484688