condition mean min max 4 h after light 10.087395 9.41789 10.7569 8 h after light 8.71712 8.51391 8.92033 12 h after light 10.38825 10.1324 10.6441 4 h after dark 13.21655 11.5476 14.8855 8 h after dark 11.55385 10.5471 12.5606 12 h after dark 11.517800000000001 11.1239 11.9117