condition mean min max 3 h after light 0.040274 0.0 0.120822 6 h after light 0.0 0.0 0.0 9 h after light 0.04776833333333333 0.0 0.143305 12 h after light 0.01762255 0.0 0.0704902 3 h after dark 0.06835206666666667 0.0 0.114238 6 h after dark 0.0301625 0.0 0.0904875 9 h after dark 0.33083 0.0 0.99249 12 h after dark 0.0 0.0 0.0