This section focuses on archives of historical observations of rainfall and water level or discharge. Below follow examples of historical observations from services operating at different scales.


NameAccessDescriptionWeb siteProduct Example
OdysseyRestrictedThe OPERA Data Centre archive, with composite products from raw single site radar data using common pre-processing and compositing algorithmsLink


CountryAccessDescriptionWeb site Product example
SwedenOpenOpen data from the Swedish Meteorological and Hydrological Institute (e.g. 15-min precipitation from ~140 stations) Link Link 
SwedenOpenVattenwebb: historical daily discharge and water level observations from the Swedish Meteorological and Hydrological InstituteLink Link 
FinlandOpenOpen data from the Finnish Meteorological InstituteLink 
The NetherlandsOpen Open data from the Royal Netherlands Meteorological Institute (KNMI) (e.g. 5-min gauge adjusted radar precipitation)Link 


CountryAccessDescriptionWeb siteProduct Example
The NetherlandsOpenArchived meteorological observations in Rotterdam CityLink