condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.03791833333333333 0.0 0.113755 4 h after dark 0.062754 0.0 0.188262 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0