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          Sea ice - ASCAT-A Arctic daily sea ice extent and backscatter mapsThe sea ice extent and normalized backscatter from the ASCAT scatterometer on Metop-A result from the Bayesian discrimination of measured backscatter distances to prescribed...- 
                      
                        Data format:
                        
                            NetCDF
                        
                        License:
                            EUMETSAT
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
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          Hazardmaps - seismic hazardmaps for Groningen, the NetherlandsHazard maps published by the KNMI. The last version (v4) has been published on June 15, 2017. Previous versions were originally published in June 2016 (v2), October 2015 (v1)...- 
                      
                        Data format:
                        
                            NetCDF
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
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          Ozone - Multi Sensor Reanalysis of Ozone (monthly mean) based on satellite ob...Monthly mean ozone fields of the MSR. The MSR dataset results from a 30-year data assimilation run with 14 corrected satellite datasets as input, and is available on a grid of...- 
                      
                        Data format:
                        
                            NetCDF
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
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          Meteo data - Observations from Decima, Japan, 1700-1860In the framework of a long-term joint co-operation between Japan and KNMI aimed at climate reconstruction of Japan in its pre-instrumental era, we now explored the availability...- 
                      
                        Data format:
                        
                            Excel
                        
                            Word
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
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          Wind - model time series from 1979 to 2013 (35 years) at 10-200 meters above ...The KNW (KNMI North Sea Wind) atlas is based on the ERA-Interim reanalyses dataset which captures more than 40 years (January 1979 - August 2019) of meteorological measurements...- 
                      
                        Data format:
                        
                            ASCII
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
- 
        
          Wind - model statistics for 1979-2013 at 10-200 meters above the North Sea - ...The KNW (KNMI North Sea Wind) atlas is based on the ERA-Interim reanalyses dataset which captures more than 40 years (January 1979 - August 2019) of meteorological measurements...- 
                      
                        Data format:
                        
                            ZIP
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
- 
        
          Wind - model time series from 1979 to 2013 (35 years) at 10-200 meters above ...The KNW (KNMI North Sea Wind) atlas is based on the ERA-Interim reanalyses dataset which captures more than 40 years (January 1979 - August 2019) of meteorological measurements...- 
                      
                        Data format:
                        
                            NetCDF
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
- 
        
          Wind - at 10-200 meters above the North Sea from all 2.5 km grid locations of...The KNW (KNMI North Sea Wind) atlas is based on the ERA-Interim reanalyses dataset which captures more than 40 years (January 1979 - August 2019) of meteorological measurements...- 
                      
                        Data format:
                        
                            NetCDF
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
- 
        
          Precipitation - daily unvalidated precipitation sum in near real time-PROVISONALLY UNVALIDATED DATA- Gridded files of daily unvalidated precipitation sum in the Netherlands measured on 100-300 locations of the voluntary network from 08:00-08:00...- 
                      
                        Data format:
                        
                            NetCDF
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
- 
        
          Wind: potential wind from before 2009 calculated using the sigma methodThis dataset contains the improved potential wind from 1950 until 2009. This was calculated using the sigma method as described here and wind measurements describing 10 minute...- 
                      
                        Data format:
                        
                            ASCII
                        
                        License:
                            CC-BY-4.0
                        
                  
                
 
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          Station metadata archive (digital scans of paper archive)This dataset contains digital copies of the paper-based weather station metadata archive of KNMI. The archive includes all available metadata from both active and decommissioned...- 
                      
                        Data format:
                        
                            JPEG
                        
                            PDF
                        
                            Excel
                        
                        License:
                            CC-BY-4.0
                        
                  
                
 
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          METARs of the Netherlands - Archive 1974-2017Archive of dutch METARs. A METAR is a weather observation report for aviation, which is routinely prepared every half hour on HH+25 and HH+55 hours for Dutch airports. The...- 
                      
                        Data format:
                        
                            ASCII
                        
                        License:
                            CC-BY-4.0
                        
                  
                
 
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          Air quality - NO2, HCHO and aerosol measured with MAXDOAS in Cabauw-NLTropospheric columns and profiles of NO2, HCHO and aerosol, retrieved from Multi-Axes DOAS measurements in Cabauw-NL. Temporal resolution is approximately 4/hour for no2 and...- 
                      
                        Data format:
                        
                            HDF4
                        
                        License:
                            other-open
                        
                  
                
 
- 
        
          Air quality – NO2 and O3 measured with Pandora in Cabauw-NLTropospheric and total columns of NO2 and total columns of O3, retrieved from Pandora measurements in Cabauw-NL. Temporal resolution is approximately 4/hour. The data can be...- 
                      
                        Data format:
                        
                            ASCII
                        
                        License:
                            CC-BY-SA-4.0
                        
                  
                
 
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          Air quality - NO2, HCHO and aerosol measured with MAXDOAS in De Bilt-NLTropospheric columns and profiles of NO2, HCHO and aerosol, retrieved from Multi-Axes DOAS measurements in De Bilt-NL. Temporal resolution is approximately 4/hour for no2 and...- 
                      
                        Data format:
                        
                            HDF4
                        
                        License:
                            other-open
                        
                  
                
 
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          Clouds - BBC2 campaign May 2003 at CabauwFrom May 3rd till 24th 2003, the intensive (cloud) measurement campaign "BBC2" was held at Cabauw, the Netherlands. The BBC2 campaign was jointly organized by the University of...- 
                      
                        Data format:
                        
                            ASCII
                        
                            JPEG
                        
                        License:
                            CC-BY-4.0
                        
                  
                
 
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          Clouds - Baltex Bridge Cloud campaign august-september 2001 at CabauwThe BALTEX BRIDGE CAMPAIGN: An integrated approach for a better understanding of clouds. The BBC was performed around a central experimental facility at Cabauw, Netherlands....- 
                      
                        Data format:
                        
                            ASCII
                        
                            JPEG
                        
                        License:
                            CC-BY-4.0
                        
                  
                
 
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          [DEPRECATED] EURADCLIM: The European climatological gauge-adjusted radar prec...The European climatological gauge-adjusted radar precipitation dataset, EURADCLIM, addresses the need for an accurate (sub-)daily precipitation product covering 8000000 square...- 
                      
                        Data format:
                        
                            HDF5
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
- 
        
          [DEPRECATED] EURADCLIM: The European climatological gauge-adjusted radar prec...The European climatological gauge-adjusted radar precipitation dataset, EURADCLIM, addresses the need for an accurate (sub-)daily precipitation product covering 8000000 square...- 
                      
                        Data format:
                        
                            HDF5
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                    
                  
                
 
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          [DEPRECATED] Weather model - KNMI HARMONIE Cy40 near surface meteorological f...A selection of near surface parameters of the KNMI HARMONIE-AROME Cy40 model for the Caribbean domain. Every 3 hours 5 new files will be available, each with one parameter. The...- 
                      
                        Data format:
                        
                            NetCDF
                        
                        License:
                            CC-BY-4.0
                        
                        APIs:
                            Open Data API
                            Notification Service
                      
                        
                          
                                WMS