I generally avoid using the year in copyright notices. It is not really necessary, especially for personal or non-commercial work.

(Disclaimer: all this stuff is specific to US copyright law. Anyone from other countries: sorry! Also, it should go without saying, IANAL.)

The copyright date helps establish, at a glance, when the work was published, so that you can then figure out when the copyright on that work expires. Back when copyright only used to last 28 years, this was handy. Now, however, copyright automatically lasts for the entire life of the author plus some additional years (I forget how many, it's a bit).

So, unless you're concerned with being able to pin down the exact date your blog's contents pass out of copyright after your death (maybe you have plans to be a copyright enforcing ghost?), having the year in your copyright statement is kind of superfluous.

Having the year posted might be handy if you regularly register your work with the copyright office - if you ever get into a dispute with someone over use of your content, you'll be able to pin down the date it was registered so that you can sue for greater damages. Again, that's why I think it might be more useful for corporate-related stuff, and less so for personal use.

Not having the year there doesn't hurt your copyright claim in any way (in fact, technically you do not need a copyright statement at all; you get copyright automatically), and I personally just like the simplicity of a smaller, shorter copyright statement. Also, I like not having to update the year (because I'm lazy) - although obviously in some cases you can have it update automatically, but in others you can't.

Anyway, that's just my opinion - sorry for the length; I just sort of have a pet peeve about this sort of thing.