This kept him exercising, and kept his blood warm.
Already the sea was smoking.

The freeze-up was close at hand.

With each hour the merciless winter cold increased in strength.

That evening when he entered his cave he closed the entrance with snow, that it might be kept warm, but nevertheless he spent an uncomfortable night, and he was glad enough to crawl out in the morning and light his fire.
That was a cheerless day.

The sun shone through a gray veil, and offered little warmth.