Icicle farming

With the weather fluctuating on a daily (sometimes hourly) basis, we've noticed a large crop of icicles growing near our window.  Amazed by the size of these pointy beauties, here's a photo of my proud icicle-farming hubby:

Unsure how big this thing really is?  Here's a photo of Charlie lying next to it. 

*Note:  Sadly, our prized beauty snapped in two after this photo was taken.