Homogenous monthly data

Long-time homogenous series of monthly temperature averages and the total amount of precipitation are available from different measuring stations of the Swiss national basic climatological network (Swiss NBCN). The stations cover all major climatic regions of Switzerland and provide information about the development of the measured quantities over the past 150 years. Homogenous series of climate measurements reflect an unbiased picture of the climatic development and represent the basis for research on climate change.

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Explanations relating to the series of numbers

Homogenisation indicates the adjustment of historic measured values to current measuring conditions. Each series of data has a reference date (termed “reference date“ in the data), specifying the date up to which the series has been homogenised. If the processing is deemed tentative because the data basis for the correction of the last inhomogeneity was low, the corresponding hint in the data header (“last inhomogeneity provisionally corrected”) is set to ”yes”; otherwise it is set to ”no”. The latest measured values are added to the series every month, starting from the reference date. These data can contain inhomogeneities. In the event of major inhomogeneities, the continuation of the series is temporarily suspended.

Homogenous data from other stations

Homogenous series of measurements from the other stations of the Swiss climatological network, other measuring stations of the weather service MeteoSchweiz and series of measurements of additional parameters can be obtained from the customer service.


Advice & service

Die Meteorologen und Klimatologen der MeteoSchweiz geben am Telefon Auskünfte über Wetter und Klima und bieten eine persönliche Beratung.

Further information