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With New York, the annual daily mean temperature is just 55.8F /13.2C, dew point 4.6C.
Charleston, SC mean temperature is 67.2F/19.6C, dew point 12.4C. Charleston is certainly sub tropical.
My hometown Auckland annual mean temperature is 59.4C/16C, dew point 12C
Charleston is a bit warm in winter to be middle subtropical so it is a warm winter side of subtropical, Auckland is that but Oceanic, while NYC is a cold side subtropical not fae from continental climates.
Paris is true oceanic. Spent a year there. Coolish year round, but never really cold like Canada/northern USA/northern Europe in winter.
Not necessarily true. Seattle and Paris are pretty close climate wise with nearly identical temps year round but that makes sense since both are on the west coast and pretty similar in latitude.
Last edited by fluffydelusions; 06-05-2024 at 08:24 AM..
Not necessarily true. Seattle and Paris are pretty close climate wise with nearly identical temps year round but that makes sense since both are on the west coast and pretty similar in latitude.
Seattle is Csb warm-summer Mediterranean so it is drier summers than Paris Cfb.
Seattle is Csb warm-summer Mediterranean so it is drier summers than Paris Cfb.
Yes that's true. July and August here get basically no rain. I should have clarified I was referring more about temperature year round rather than precip pattern.
However, I remember an old climatology professor in Maryland (USA) used to say… ‘the rare, out of character, warm day in a cool climate (or cool day in a warm climate), doesn’t change the true genetics of any climate, or the likely average sensible weather’.
In the case of Paris, what that seems to mean to me, is that a rare hot day (40 C/104 F), can’t really change the fact that the other 98% of the time, Paris is a classic oceanic climate (cool summers, mild winters for their latitude, few extremes annual in temperature, cloudy in winter, …etc). The basic genetics of the Paris climate (higher latitude, in the westerly cool oceanic flow, …etc) are still the same.
Put another way…temperatures above 80 F (29 C) have occurred on occasion above the Arctic Circle, but it can’t change the fact that the other 98% of the time the Arctic is cold.
Seattle is Csb warm-summer Mediterranean so it is drier summers than Paris Cfb.
In that climate classification (Koppen) Seattle is in the same climate zone as Paris Csb (cool, dry summer).
However, in the classic sense (and in later climate classifications) neither location is a true Mediterranean climate.
The basic genetics of a real Mediterranean Climate are... long, hot, dry, and nearly rainless summers, some modest winter rainfall, mild to warm winters, frequent sunny skies, stable pressure patterns, and little convective overturning. Most true Mediterranean climates get less than 20 inches (508 mm) of precipitation annually.
As anyone who has ever spent time in Seattle knows, the above is almost polar opposite of what the climate of Seattle is like. Seattle has cool short summers,no month is rainless (in fact only July and August have less than 1 inch or rainfall), heavy winter rain (and snow on occasion), cool temperatures, frequent cloudy skies all year (200 + cloudy days annually), and quick changing pressure patters in most of the year. Seattle gets almost 40 inches of precipitation annually (double what most Mediterranean climates receive). Seattle is within 1 inch of the annual rainfall of Chicago, for example.
Seattle only is classified as a 'dry summer climate' because it meets (just barley) the criteria of at least three times as much precipitation in the wettest month of winter as in the driest month of summer, and the driest month of summer receives less than 40 mm (1.6 in). (see Koppen climate classification).
Compare Seattle to real Mediterranean climates like Athens or SB, Southern California.
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