Final CET for 2018 is 10.68C
That makes 2018 the fourth warmest in the 360 year CET series.
The top three years are 2014, 2006, 2011 in that order.
The figures quoted on the Hadley website are not truly accurate as they just take the mean of the 12 monthly figures. But as each month does not have the same number of days, this is not an appropriate way to determine the annual mean. My figures are based on the average of all days in the year (either 365 or 366).
Hadley has 10.69C to my 10.68C
https://www.metoffice.gov.uk/hadobs/hadcet/mly_cet_mean_sort.txt
15 of the top 20 years in the series have all occurred since 1989
The winner of the 2018 annual CET competition is springsunshine with a prediction of 10.68C. Frank H and Whether Idle are joint second with 10.69C and 10.67C respectively.
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Edited by user
01 January 2019 11:22:21
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