Last of the Cold Weather?

After some tremendous nor-easters and shattering cold, the season seems to have resumed its march toward spring. The sky still has that intense blue I associate with the dead of winter, but there are encouraging signs.

 We have reached the point at which the sunporch is comfortable when the sun is high, and one can even sit out on the deck--until a cloud passes by. The air still has a definite chill, but spring approaches--gradually.