Coldest November since 2010

central-england-temperature-mean-anomalies-1976-2016

Yes, a rather cold November 2016, but not exceptionally so in CET series, with a mean temperature for the month of 5.5°C, which was -1.0°C below the 1961-1990 long-term average and in the 36th percentile in the monthly series that started in 1659. That mean anomaly 0f -1.0°C made it the coldest November since 2010 (not much of a headline I know, but I challenge the Met Office Press office to make any more of it than that) and only the second month out of the eleven this year with a negative anomaly, the other month being April. Interestingly the minimum anomaly of -1.34°C was much lower than the maximum anomaly of +0.68°C, reflecting the predominantly anticyclonic nature of the month and the cold nights. Thanks, as always, to the Met Office for the data, and to Gordon Manley for dreaming the whole thing up in the first place.

daily-central-england-temperature-monthly-january-1772-november-2016

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About xmetman

I am an exmetman who is passionate about all things to do with weather and climate. I have no axe to grind, and am continually upsetting people on both sides of the global warming debate with the articles that I publish, hell, I'm even banned from commenting on the Met Office's own blog! What I do fight for is the freeing up of climate, observational and forecast data collected and created on our behalf by the Meteorological Office.
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3 Responses to Coldest November since 2010

  1. oz4caster says:

    I notice that the percentile for November minimum was19 and maximum 28, both lower than the mean percentile of 36, which seem odd. I like your tables, but it would also be interesting to see a table similar to the second one, but showing only November for each year to make it easier to compare all the stats for Novembers only. That could also provide the basis for a time series graph of November trends over the years.

    Here in Central Texas, the Austin Camp Mabry official weather station anomaly was +4.7F (+2.6C) and nearby Austin Bergstrom Airport was +6.2F (+3.4C). However, neither of these stations has a climate reference period with consistent location and instrumentation, which makes the anomalies more difficult to interpret.

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    • xmetman says:

      Oz

      I started hunting for a bug and couldn’t find one. Then it dawned on me why the mean percentile didn’t fit in with the max and min percentiles, it’s because the max and min daily CET values start in 1878, but the daily mean percentiles started in 1772! I know it looks misleading so I’ll have to add a label to the foot of the table to explain what’s going on.
      As for your second point I’ll do that from now on, but in the meantime:-

      Bruce.

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  2. xmetman says:

    I’ll check that out when I get a minute…

    Like

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