Amount of Data According to Observation Categories

Distribution of the records of module 1 (Switzerland, 1501-1999) according to observation categories

Daily weather observations make out the lion’s share (55%). Instrumental measurements and aggregates of daily weather observations are the second most important part (20%). They are followed by the remaining descriptive data (6%), temperature and precipitation indices (5%), phenological data (5%), weather impacts and natural hazards (4%), ice and snow features (3%) and finally economic data (e.g. size of grain, grape and fruit harvests, grain prices, etc.) for about 2%. Each of the categories ice and snow features and economic data (e.g. amount of grain, vine and fruit harvests, grain prices) account 2%. The category “remaining descriptive data” contains a wide range of further observations (see the menu “Categories” to discover more).