What's the coldest it gets on average in your city? (degree, degrees)
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The extremes since 1945:
Lowest min: -16.8°C/1.8°F (17/01/1985)
Lowest max: -10.8°C/12.6°F (16/01/1985)
For downtown, at Montsouris station (since 1873):
Lowest min: -23.9°C/-11°F (10/12/1879)
Lowest max: -11.5°C/11.3°F (20/01/1938)
Sounds perfect to me! Where do you live in Finland?
I was expecting lower coldest nights at Orly airport. Is that the 1981-2010 averages? I read somewhere that the 1879 Montsouris record is probably not accurate - it has been "corrected" at something like -16C instead, because non-standard thermometers were in use until the 1920s (no screen etc...). This would make sense given that even Orly only went down to -16.8C in 1985.
I was just saying that it's interesting because Atlanta's average January low ranges from 34F to 35F, and London's January low is almost exactly the same, at 36F for the entirety of the month.
Although, I concede that London is colder overall than Atlanta (of course that's to be expected when comparing London to a city at the same latitude as Baghdad!). London's daytime highs during the winter are mostly in the 40s, while Atlanta can experience spikes to above 60F during the winter, and Atlanta's average highs are around 52F.
That gulf stream is a HUGE plus for a country so far outside of the tropics!
Atlanta has more severe freezes than London on average, but it can also go over 20C in winter which would never happen here.
I was expecting lower coldest nights at Orly airport. Is that the 1981-2010 averages?
Yup these are the 1981-2010 averages. Shows how ridiculously mild our winters are, eh?
Quote:
I read somewhere that the 1879 Montsouris record is probably not accurate - it has been "corrected" at something like -16C instead, because non-standard thermometers were in use until the 1920s (no screen etc...). This would make sense given that even Orly only went down to -16.8C in 1985.
Yes measures back in the 19th century weren't as accurate as today, that's for sure. Though putting a 8°C correction sounds extreme to me.
Also the 1985 coldwave wasn't nearly as strong as 1879 as the Seine didn't ice over (there were only small pieces of ice floating on the surface from what I've read), whereas one could cross it by feet for three weeks in 1879. The banks of the Seine have been artificialized a lot since then but I don't think it explains the whole difference. 1879 had near-perfect synoptics for intense cold: a snowstorm dumping almost a foot of snow followed by a continental anticyclone bringing calm weather and thus optimal conditions for low-layer cold. There wasn't nearly as much snow on the ground in 1985, unfortunately.
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