Climate Explorer

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Welcome, anonymous user

The KNMI Climate Explorer is a tool to investigate the climate. Start by selecting a class of climate data from the right-hand menu. After you have selected the time series or fields of interest, you will be able to investigate it, correlate it to other data, and generate derived data from it.

Some restrictions are in force: the site does not remember how you filled out the forms, you cannot define your own indices, nor upload data into the Climate Explorer or handle large datasets. If you want to use these features please log in or register.

Global mean 2m temperature anomalies wrt 1981-2010 [°C] with 10-yr running mean (source: ERA5). More under "World weather"
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17-jan-2022New hardware for the Climate Explorer is available, but the Climate Explorer data still needs to be copied to the new location.
11-jan-2022Upgraded CRU TS to 4.05 running up to 2020.
13-dec-2021The upgrade of the hardware of the Climate Explorer turns out to have a dependency on one of its data resources. The upgrade is now planned in the week of January 17, 2022.
07-dec-2021An upgrade of the hardware running the Climate Explorer is planned for end of December. This should be transparent to users. However, there is some risk of disruption so please be aware. With apologies for any inconvenience caused, The Climate Explorer Team.
14-oct-2021In memoriam Geert Jan van Oldenborgh.

With deepest sadness, we share with you that Geert Jan van Oldenborgh (59), initiator, creator and maintainer of the Climate Explorer, sadly passed away on Tuesday 12 October. Geert Jan's contribution to climate science is immense and he will be sorely missed.
20-sep-2021An upgrade of my data scripts went wrong so that a lot of data had disappeated the last few days. Unfortunately my health only allowed me to fix it tonight. Please report remaining problems.