condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.084226 0.0 0.168452 12 h after light 0.08746 0.0 0.17492 2 h after dark 0.2550865 0.171525 0.338648 4 h after dark 0.07459 0.0 0.14918 8 h after dark 0.5999775 0.498647 0.701308 12 h after dark 0.1573145 0.0 0.314629