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Post by nei on Jan 4, 2018 18:16:04 GMT -5
This morning on the shoutbox there was a conversation on how much recent decades have warmed. And whether a decade is too short to represent a climate. I calculated decadal averages for my nearest station [Amherst, Massachusetts] for each month. Most decades are rather consistent, but occasionally a decade is warmer by 3-4°F than ones before or after, so still a bit on the short side statistically. Not recent decades, so can't be global warming. The column heading is the last year of the 10 year average: 2008-2017, 1998-2007, etc. Did that rather than "normal" decades so I could years since 2010 included.  also St. Petersburg, Russia  If people want to see other stations, I can make more tables, just need to re-run my script. |
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Post by Steelernation on Jan 4, 2018 18:20:39 GMT -5
Can you do one for Rochester?
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Post by nei on Jan 4, 2018 19:32:23 GMT -5
Can you do one for Rochester? here ya go  |
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Post by grega94 on Jan 5, 2018 0:19:48 GMT -5
This is very interesting, if it's not to much work could you do one for Seattle? And I would also suggest making a row for an annual avg, not just the monthly ones.
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Post by Ariete on Jan 5, 2018 9:46:50 GMT -5
Here the trend is more clear. Though you have to keep in mind that the weather station has changed, and Artukainen has consistently higher lows than the old airport station.  |
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Post by Donar on Jan 22, 2018 4:05:31 GMT -5
Here is a neat statistic from the German Weather Service. Temperature averages for Germany 1961-1990 and 1991-2017 and the number of months above and below the 61-90 average. July has warmed the most, October the least. In 61-90 there were more below average than above average months (which means the above avg months were stronger) but in 91-17 the above average months exceeded by far.  |
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Post by nei on Jan 22, 2018 23:59:03 GMT -5
for a hill in Boston, part of an argument with a Boston meteorologist
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Post by Donar on Jan 25, 2018 15:24:09 GMT -5
I'm using this thread also for some general climate change stuff. Southeastern Europe got the least increase in surface radiation, even negative in parts of Greece.  |
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Post by nei on Jan 25, 2018 15:31:34 GMT -5
Is this net surface radiation (incoming - outgoing)?
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Post by Donar on Jan 25, 2018 15:40:37 GMT -5
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Post by nei on Jan 25, 2018 16:13:40 GMT -5
So if it's incoming that’s a map of cloudiness change, right?
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Post by Donar on Jan 25, 2018 16:15:18 GMT -5
Aerosols play a role too.
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Post by Babu on Jan 25, 2018 16:44:02 GMT -5
Interesting how bodies of water and mountains have got so much sunnier
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