California Is Still A Puzzle

The map above shows California's COVID status as of April 27, just two days ago. Most counties are now in the "orange" tier, and this covers nearly 90% of the state population. "Orange" restrictions are still stricter than in many other states, but they do allow most indoor activities at 50% capacity. What's remarkable is how quickly conditions have improved. The map at right is from just a month ago, March 30, with far fewer counties in the "orange" tier, most still "red" and three in "purple". Over the course of just a month, most of the state changed from "red" to "orange", with the three worst cases leaving "purple, while two more became "yellow". At this point, it appears that over the course of May, most of the state will move to "yellow", though this will still be more restrictive than other states like Florida or Arizona. But here's the continuing puzzle. I've alr...