condition mean min max 3 h after light 0.1887656666666667 0.0 0.566297 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.21944166666666667 0.0 0.366765 6 h after dark 0.193675 0.0 0.581025 9 h after dark 0.285594 0.0 0.856782 12 h after dark 0.369198 0.288744 0.449652