condition mean min max 4 h after light 0.146847 0.0 0.293694 8 h after light 0.003977395 0.0 0.00795479 12 h after light 0.0978744 0.0481668 0.147582 4 h after dark 0.06349933333333334 0.0 0.190498 8 h after dark 0.0077850666666666665 0.0 0.0233552 12 h after dark 0.0 0.0 0.0