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Old 01-28-2015, 09:02 AM
 
Location: Finland
24,257 posts, read 20,419,880 times
Reputation: 11103

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4-letter system.

A - Mean between -30C and 35C
B - Everything else

second letter

C - precipitation between 1mm and 6000mm
D - everything else

third letter

A - summers above freezing
B - summers below freezing

fourth letter

B - sunshine between 1000 and 4400 hours
C - everything else

Done.
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Old 06-29-2019, 12:06 PM
 
211 posts, read 73,609 times
Reputation: 114
In the last century only had long historical series of temperature and precipitation, today in the climatic systems could be inserted other variables.
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