condition mean min max 2 h after light 0.07366701666666667 0.0 0.246904 6 h after light 0.03258185 0.0 0.103231 10 h after light 0.06886945 0.0 0.232209 14 h after light 0.13919395 0.0 0.382612 18 h after light 0.08785821666666667 0.0 0.197155 2 h after dark 0.08779255 0.0 0.248816