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Nigel Marriott's Blog

An independent statistician using data to understand our world and to predict the future

You are here: Home / Archives for weather trends

UK Weather Trends #30 – Winter 2024

March 3, 2024 By Nigel Marriott

Winter 2024 in the UK was the 5th sunniest & 8th wettest on record.  A year ago I postulated UK winters were entering a new era of being warm, wet & sunny.  I am now certain this is the case and my favoured hypothesis is that our winters are following a steady trend which began in the early 1980s.

[Read more…] about UK Weather Trends #30 – Winter 2024

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

UK Weather Trends #29 – Annual Temperatures in 2023

January 4, 2024 By Nigel Marriott

The 2023 calendar year was the 2nd hottest year on record in the UK just behind the hottest year ever in 2022.  Last year, I showed how a technique known as a Control Chart could be used to decide if the UK is now in a new warming trend and after adding 2023, my answer is now “a step change upwards has taken place but the pace of change is not yet clear“.

[Read more…] about UK Weather Trends #29 – Annual Temperatures in 2023

Filed Under: Weather Tagged With: SPC, Statistical Process Control, t-test, temperature, trend analysis, Weather, weather trends

UK Weather Trends #28 – Autumn 2023

December 4, 2023 By Nigel Marriott

The UK autumn in 2023 was the 6th warmest on record and consistent with the step change in autumnal climate seen 25 years ago.

[Read more…] about UK Weather Trends #28 – Autumn 2023

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

UK Weather Trends #27 – Summer 2023

September 10, 2023 By Nigel Marriott

The hottest June on record resulted in the 8th warmest summer on record in the UK.  However, rain and sunshine levels were normal sowhen looking at the summer using principal components, the 2023 summer was above average but not outstanding.

[Read more…] about UK Weather Trends #27 – Summer 2023

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

UK Weather Trends #26 – Spring 2023

June 6, 2023 By Nigel Marriott

Spring 2022 was warmer than usual and was mostly typical of the springs that we now get due to our changing climate.

[Read more…] about UK Weather Trends #26 – Spring 2023

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

UK Weather Trends #25 – Winter 2023

March 2, 2023 By Nigel Marriott

Winter 2023 was the 10th sunniest on record but I doubt we may have noticed.  There are indications now that our winters are entering a new era of being warm, wet & sunny.

[Read more…] about UK Weather Trends #25 – Winter 2023

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

UK Weather Trends #24 – Annual Temperatures in 2022

January 3, 2023 By Nigel Marriott

The 2022 calendar year was the hottest year on record in the UK beating the previous high recorded in 2014.  Does that mean that the UK is starting a new warming phase?  Using a technique known as a Control Chart, I show the answer is “Not Yet“.

[Read more…] about UK Weather Trends #24 – Annual Temperatures in 2022

Filed Under: Weather Tagged With: SPC, Statistical Process Control, t-test, temperature, trend analysis, Weather, weather trends

UK Weather Trends #23 – Autumn 2022

December 4, 2022 By Nigel Marriott

The UK autumn in 2022 was the 3rd warmest on record and consistent with the step change in autumnal climate seen 25 years ago.

[Read more…] about UK Weather Trends #23 – Autumn 2022

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

UK Weather Trends #22 – Summer 2022

September 7, 2022 By Nigel Marriott

The 2022 UK summer was the 4th warmest & 9th driest on record.  When looked at using principal components, the summer was definitely a good one and showed up yet again my inability to predict good summers!

[Read more…] about UK Weather Trends #22 – Summer 2022

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

UK Weather Trends #21 – Spring 2022

June 7, 2022 By Nigel Marriott

Spring 2022 was the 5th warmest on record and was mostly typical of the springs that we now get due to our changing climate.

[Read more…] about UK Weather Trends #21 – Spring 2022

Filed Under: Archive Tagged With: multivariate data, Presenting data, principal components analysis, standardisation, trend analysis, Weather, weather trends, z-scores

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