condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.054336999999999996 0.0 0.163011 12 h after light 0.03571266666666666 0.0 0.107138 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