A Foggy Morning (And I Got The Proof!)
November 4, 2009
It was seriously foggy this morning, so I went out for lunch at 12:20pm without my sun glasses on. What a big mistake… As soon as I reached the Berkeley library, I was blinded by the drenching sunlight!
In the past, whenever I tried to explain the powerful SF fog to my friends and family back in Taiwan, they would just think that I exaggerated it. But now I got the data from our solar system to back me up! 
Here’s the fun part: The readings went from 1,014w at 12:15pm, jumped to 2,775w at 12:20pm, and then shot up to 3,562w at12:25pm! Wow! We actually hadn’t seen it passed 2,800w for a while! David guessed that the cloud probably had reflected the sunlight at the right angle and intensified it. And then the cloud probably just blocked the sun, so the reading dropped down to 548w at 12:30pm. (It started to feel like the stock market…) But no worry, it quickly came back again and touched down on 3,009w 20 minutes later. By looking at the above diagram, you got a pretty good idea of today’s weather in our neighborhood. Pretty cool, huh?
The following Power.now summary provides more information. While the median was only 548w, the maximum was a whopping 3,562w. Also the day is getting shorter… 
Entry Filed under: Geek Zone, Solar System. .
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