Got my hens in August - run and coop were fine until winter. Now the angle of the sun is such that the run does not get any sunlight to dry out the gravel. We have had some snow so it melted but the run is not drying out. The ground is not mud but covered with pea gravel and it is staying damp. We have nights that are below freezing and some day time temps between 30-50 degrees. I let the hens out of the run for about 1-2 hours per day. However, I have noticed that two of my single comb hens have a bit of frost bite and I think one of them has even lost some tips. I put vaseline on them this afternoon. Any suggestions on how to dry out the run or what I should do? Here is a photo of the coop and run. Thanks!