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Government of

Information and public services for the Island of Jersey

L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

Climate change data from 2020 to July 2023 (FOI)

Climate change data from 2020 to July 2023 (FOI)

Produced by the Freedom of Information office
Authored by Government of Jersey and published on 07 August 2023.
Prepared internally, no external costs.


Please share climate data for the last three years related to emissions eminating from multiple sources including traffic emissions, airport and ports as well as other recorded sources and include temperature data and CO2 and methane emission levels where possible.

This is to analyse our progress toward net zero.


The attached table shows the mean monthly air temperature for Jersey for the last three years as requested.


When looking at the climate of a location The Government of Jersey use a 30 year long term average (LTA). The current LTA period is for the year 1991 to 2020 and is included for comparison. 

When considering how our climate is changing, the Government of Jersey looks at a comparison of the LTA data over longer periods of time.

All other information you have requested is exempt under Article 23 of the Freedom of Information (Jersey) Law 2011 because the information is already accessible to you on and can be accessed via the link below. 

Greenhouse gas emissions (

Article applied

Article 23 Information accessible to applicant by other means 

(1) Information is absolutely exempt information if it is reasonably available to the applicant, otherwise than under this Law, whether or not free of charge. 

(2) A scheduled public authority that refuses an application for information on this ground must make reasonable efforts to inform the applicant where the applicant may obtain the information. 

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