condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02784965 0.0 0.0556993 12 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 0.029065300000000002 0.0 0.0745481