This is the legacy version of twitter.com. We will be shutting it down on 15 December 2020. Please switch to a supported browser or device. You can see a list of supported browsers in our Help Center.
blueledboy Sep 10
Replying to @Weather_West
Our PV system in Cupertino (SF Bay Area) was down by 97% yesterday, quantifying how dark it was with the smoke/fog sandwich. The