A 150 year temperature history from Berkshire

At a recent weather festival, Roger Brugge presented a reconstruction of temperatures from 1863 to 2011 for a small patch of the UK, namely Berkshire, which I found interesting.

Roger has collected a large set of weather observations covering the past 150 years from various sources in East Berkshire, including Met Office weather stations and a set of amateur observations. I was quite surprised to see the strength of the trend in the resulting time series, with a strong warming over the past 30 years or so, and lots of variability. Lots of visitors to the festival felt it helped them understand how the climate may be changing for them and their region and put recent weather into a longer term context.

Update (07/06/12): You can also now see the month by month temperature timeseries.

Update (07/06/12): Two versions of the data are now shown below – the first is from the weather festival and very wide – the second is perhaps more suitable for viewing.

A 150 year temperature history for East Berkshire (click to enlarge)

A 150 year temperature history for East Berkshire (click to enlarge). A running 30 year mean is shown in black.

About Ed Hawkins

Ed Hawkins (twitter: @ed_hawkins) is a climate scientist in NCAS-Climate at the Department of Meteorology, University of Reading. His research interests are in decadal variability and predictability of climate, especially in the Atlantic region, and in quantifying the different sources of uncertainty in climate predictions and impacts. Ed is a Contributing Author to IPCC AR5 and a member of the CLIVAR Scientific Steering Group.
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8 Responses to A 150 year temperature history from Berkshire

  1. Pingback: Anotherweek of GW News, June 10, 2012 [A Few Things Ill Considered] « Random Information

  2. Paul Matthews says:

    The growing West London commuter belt sounds like a prime site for UHI warming.

    • Ed Hawkins says:

      Hi Paul,
      Am sure some component of the trend is UHI effects, but it of course depends on where the observations are based exactly, which I don’t know.
      What is interesting is the running means (shown by the black line) match the global trends rather well. Not sure this year is going to be very warm though!

  3. Rob Burton says:

    Ed, the seasonal and monthly plots don’t seem to match up.

    ie 1962 looks a mighty cold winter with DJF about 0 degrees on average.

    The individual temps are about D -> +1.7 , J -> +4.5 , F > +.4.8

    1963 has a couple of cold months so have the graphs shifted by a year somewhere as randomly checking 1940 doesn’t match either?

    • Ed Hawkins says:

      Is the difference due to whether the DJF refers to the year of the December or the January?
      Roger Brugge maintains the dataset, and will know the answer! r.brugge AT reading.ac.uk

  4. Pingback: Months since below average temperatures | Climate Lab Book

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