That's a good point for single day records, for cities, but not for longer term and larger scale anomalies. The more you zoom in on time or scale the more noise

That's a good point for single day records, for cities, but not for longer term and larger scale anomalies. The more you zoom in on time or scale the more noise dominates signal, and the less effect any warming trend will have. Here are the yearly figures for the 100 km grid square which contains Paris, for reference: https://s3.eu-west-2.amazonaws.com/local-temperature-interactive/data/charts/gridcell_48.5_2.5.csv https://s3.eu-west-2.amazonaws.com/local-temperature-interac...