condition mean min max 2 h after light 1.6704795 0.319148 4.00756 6 h after light 1.0487926666666667 0.0 3.54849 10 h after light 3.535742 0.278262 10.896 14 h after light 3.945063333333333 2.0174 7.10443 18 h after light 1.189915 0.600217 1.9815 2 h after dark 1.5695565 0.321619 2.83836