And the usual temperature was? Over say the last 2000 years?
To dismiss global warming as the cause for intense hurricanes is stupid.
No, it is reasonable. As we had far more intense hurricane seasons before "global warming".
If the earth is actually warming back up (in other words we are returning to normal global temperatures) then evidence suggests that the warming is causing fewer hurricanes that are of less intensity.
Here's a blast from the past that shows just how nuts the global warming crowd is:
http://www.freerepublic.com/focus/f-news/1310991/posts
The idiots think in terms of years or decades instead of millennia.