Customer satisfaction 4 Data sourcing 4 Extreme temperature indices 4 Problem solving 4 Quality assurance 4 Quality control 4 Quality function deployment South America 4 Temperature extremes 4 Temporal variability 4 Total quality management 4 Trends 4 Uruguay 4 air temperature 4 data quality 4 database 4 extreme event 4 quality control 4 temporal variation 4 trend analysis 4