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What about Vancouver Harbour weather station? I think it's annual average for 1981-2010 is 11c
I personally don't see a problem with geographically close weather stations
having different averages in 1 to 2 degree range. Lot's of local factors involved,
terrain/slope, elevation, proximity to lake/ocean or river, creating micro climates.
That's weird how they don't have Vancouver Harbour CS. I've calculated their mean to be 11.13, which is the warmest in Canada.
As for the varying degree differences, it is more than just a fluke that all the warm CS stations are warmer while all the cold CS stations are colder than the nearest station. Also, some of them are in the exact same location as the airport or other such weather station. When you look at the month by month, the CS stations exaggerate the summer daytime temperatures quite a bit. I'm not totally sure, but I think the CS stands for Campbell Scientific. There are a several other weather stations that read high such as White Rock Campbell Scientific.
Mean temperature like that is found in hilly tropics (>400 m asl). For example, Bandung which is 700 m asl, has a mean of 23.6C. Compare that with the coastal Bangkok, which has an annual mean temperature of 28.7C. Coastal tropics have mean temperatures in the region of 26-29.With constant temperature, altitude really affect the mean.
I would really love to see a tropical city at the coast with a mean of 23C. That would be cool and pleasant.
Speaking of annual mean temperature I think Mecca has one of the highest with 30.7C
Sea level Hilo. Similar to Bogor. But with lower elevation and higher latitude.
Over the last two/three decades we've gone up from 40 to 42F.
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