condition mean min max 0 h after light 3.416545 2.9507 3.88239 2 h after light 3.333485 2.94468 3.72229 4 h after light 4.76568 3.53511 5.99625 8 h after light 7.598955 5.07881 10.1191 12 h after light 13.125 12.403 13.847 2 h after dark 16.21585 15.7801 16.6516 4 h after dark 11.76465 11.5551 11.9742 8 h after dark 6.831099999999999 6.16405 7.49815 12 h after dark 2.806725 2.5804 3.03305