condition mean min max 3 h after light 0.03259106666666667 0.0 0.0977732 6 h after light 0.02034036666666667 0.0 0.0610211 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0230182 0.0 0.0690546 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0