It's really hard to scare people using temperature data like this:
Faced with this reality, climate alarmists very often resort to "scary" anecdotes.
One of the most common of these anecdotes is the one about the fabled Northwest Passage, which allegedly opened up for "the first time in history" in 2007.
The problem with that claim is that it is completely false.
For example, the Northwest Passage was successfully navigated in 1906, 1940, 1941, 1942, 1944, 1957, 1969, 1977, 1984, 1988, and 2000.
See this blog post for details and links.
Answers.com also contains a lot of information to debunk this claim.