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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by richk:
My wipers were also behaving strangely during our last snow storm here in Denver. Sometimes they would pause for sec and sometimes they would skip a wipe. Weird. Also they seemed to easily fill up with ice. Anyone know if winter blades are available? </div></BLOCKQUOTE>

Yes, they are available, yes they are hard to find; at least in this area.
The specs from GM are: 15.7 for the passenger side, 16.7 for the driver side. The only company that seems to sell odd-sized winter blades is Trico. Therefore, I ordered 16 and 17 inch blades from Texas last week. Received them last night, and I will be installing them today.
I did some measurements, and it appears these will fit the windshield with no problem.
Trico shows 17 inch for both sides, but the passenger side would be close to rubbing on the top windshield molding that s why I opted for the 16 inch for the passenger side.
I will let everyone know how the fit is this evening, and it appears by Thursday A.M. I will be able to tell everyone how they work in snow. (I HATE SNOW!)

I also had the problem of snow and ice buildup in the blades that caused them to streak. One of the reasons for this (in my opinion) is that when in park, the wipers sit way too low on the windshield and get no benefit from the heat from the defroster. This is not unique to the H3, but many wipers, when in intermittent operation, do not park all the way down, thus getting a little heat. I'm hoping these winter blades will help.