It's the middle of the day. It's not raining here. But the temperature is still in the low 80s. Down in central Tucson, where the storms have begun to approach, it's actually in the 70s. I realize this may not seem a big deal to those of you who live far from this desert. To us, though, it feels like a miracle, one that we almost stop believing in every year in June and then renew our commitment to in July.