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Average monthly sea temperatures

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WQ.311/2023

WRITTEN QUESTION TO THE MINISTER FOR THE ENVIRONMENT BY DEPUTY S.G. LUCE OF GROUVILLE AND ST. MARTIN QUESTION SUBMITTED ON MONDAY 10th JULY 2023

ANSWER TO BE TABLED ON MONDAY 17th JULY 2023

Question

“Further to the response to Written Question 293/2023, will the Minister inform the Assembly of the average monthly sea temperature recorded in local waters for every individual month over the last 10 years, thereby providing a total of 120 results?”

Answer

Monthly mean sea temperature for Jersey  

Sea Temperature (°C)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

2013

9.1

7.9

7.2

8.3

11.1

13.6

16.3

18.1

17.7

16.5

13.3

10.6

2014

9.8

8.8

9.5

11.1

13.0

15.4

17.7

18.4

18.3

16.8

14.1

11.4

2015

9.4

7.8

8.5

10.5

12.6

14.7

16.9

17.8

17.1

15.2

13.8

11.9

2016

9.9

9.0

8.6

10.1

12.3

14.6

16.7

18.2

18.6

15.9

13.0

10.8

2017

9.1

8.5

9.3

11.4

13.1

15.7

17.6

18.2

17.2

16.1

13.4

10.2

2018

9.3

8.0

7.3

9.5

12.3

14.8

17.4

18.5

18.1

16.1

12.9

11.0

2019

9.5

8.5

9.6

10.8

12.9

15.0

17.5

18.4

17.8

16.1

12.7

10.5

2020

9.6

9.1

9.3

10.9

13.1

15.3

17.2

18.7

18.5

15.3

13.4

11.0

2021

8.9

8.1

8.6

10.1

12.1

14.8

16.7

17.8

18.1

16.4

13.7

10.5

2022

9.5

9.2

9.6

11.0

13.6

16.0

18.0

19.4

18.9

17.0

14.3

10.8

2023

9.7

9.0

9.1

10.9

13.1