In my youth, I had a friend who was a weather enthusiast. He had his own backyard weather station, and in a little black log book, every day, he would dutifully record wind speed and direction, temperature, humidity, barometric pressure, and rainfall. I thought it was tremendously geeky and didn’t understand his passion for it. But I had to admit to being impressed when he started charting the data and actually learning something useful about our local weather dynamics. It was my first direct exposure to citizen science.