condition mean min max 2 h after light 0.03069 0.0 0.18414 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.027637166666666668 0.0 0.165823 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0