Expand Koln Bonn, Germany Koln Bonn, DE Koln BonnChange location Precipitation stripe Data sourcesLocation Warming anomaly — Heating score 7 Record high 2019 Recent observations View Climate stripe Add Chart all dataGrouping Year Year and month Month Day Axes Aggregation Grouping days Half-yearly Quarterly Monthly (28 days) Fortnightly Weekly Threshold (%) Override preset threshold Reset Download Change location