condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.03569375 0.0 0.0713875 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0