I was in Greece last year for their record rainfall at a time that is supposed to be sunny and dry. One area just North of Athens had 24" in 24 hours. About 20" fell in about 3 hours. Many homes in the region ended up completely under water. The next day, I myself was on the Acropolis when the skies opened up. It was a rain storm like very few I have witnessed. Raining so hard it was coming through the umbrella. Our guide basically freaked out. Nothing like being on the highest point with lightning coming down around you and no quick way out. Well over 1000 People huddled up in the single file line to get down on slippery stone path. She said she had never ever seen anything like it in her 20 years of leading tours. I later heard it was 6" in about 30 minutes. It was the result of the Jet Stream making a highly unusual dip. This is the same system that moved on to hit Libya and North Africa causing record flooding there too.

This is just localized weather but part of the extreme weather events predicted in all the models. Records are falling all the time now so get used to it. We have had a few record days this year already. Look at California precipitation of the last couple of years. etc. etc.