over the 1961-1990 average.

Trends revealed by the series

During the eighteenth and nineteenth centuries, a cool period which coincided with cool winters and generally cool summers, the temperatures fluctuated widely but with little trend. From 1910, temperatures increased until about 1950, when they flattened before a sharp rising trend began in about 1975. The warmest decade on record is the 2010s (2011-2020) with a mean temperature of 10.40 C.

Both the general warming trend and the hottest year on record at the time,

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