This might not be the best place for this question. Pointing me to a better forum would be appreciated if that’s true.
I live in Seattle, WA, which has a reputation for being rainy. But it’s not a well deserved one. There are cities in Florida that get more rain than us, for example.
After living here for 20 years, I’m convinced that what makes Seattle noteworthy is rather how dark it is. But any time I try to research this, it’s a dead end. All sources of data break things down into the binary of cloudy / sunny. Usually by day. One infographic I found at least had the nuance to use hours of sunshine.
I’m looking for a source to break cities down by average lux over the course of a year. With a smooth range from 120,000 lux to 10,000 for full daylight, and a range of 1,000 to 5 lux for cloud cover, and assumably 10,000 to 1,000 for some sort or partial cloud cover, it seems like there’s a ton of nuance possible here beyond “sunny” or “cloudy”.
With 10% or so of Americans being impacted by seasonal affective disorder, I’m confused why this information isn’t more in demand. I want to look at the big picture of average yearly light exposure.
But I also want my weather app to predict lux for tomorrow. How bright will it be at noon? I want people to have access to the vocabulary of lux like we’ve recently developed the vocabulary of air quality. “Wow, yesterday only got up to 10 lux in Seattle!”
It seems more significant to me than what time sunrise and sunset are, or what the humidity is, but I can’t find evidence that anyone is tracking this information at all 🫤
Can anyone point me to the secret database of global lux records?
submitted by /u/tigerproofrock
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