Temperature: Precip.

Day Max. Min. Inches.

Fº Fº

Dec. 17 34 20 Trace*

Dec. 18 34 18 .00

Dec. 19 41 21 .00

Dec. 20 40 30 .49*

Dec. 21 32 26 .30

Dec. 22 39 31 .00

Dec. 23 39 31 .02*

*Melted Precipitation

The last quarter moon rises well after midnight on Tuesday morning. The moon is in the zodiacal constellation Virgo and near the ringed planet Saturn. While we are into the first week of winter, there is spring in the stars in the early morning sky. Among the constellations you’ll find is Leo, the Lion and Bootes. The Big Dipper is overhead.

South Mountain Company's high-performance building engineer Marc Rosenbaum gave a presentation on Innovative Mechanical Systems for Low Heating Load Buildings at the fifth annual North American Passive House conference in Portland, Ore. Passive House is a German standard that was designed to make the world's most energy efficient buildings.

His case studies included a recent South Mountain deep-energy retrofit of a century-old carriage house for the Woods Hole Research Center.

Come Dasher and Dancer, Prancer and Vixen, Comet and Cupid, and Donner and Blitzen...

Okay, it is time to panic if the reindeer are coming. We know that Santa likes to park them and the sleigh on the roof so he can hop down the chimney to deliver presents to all of the good boys and girls. But I am quite worried that our roof will not be able hold them.

The first day of winter is next Tuesday, and early morning will see a lunar eclipse. The moon will pass through the earth’s shadow after midnight. The total eclipse, when the moon is completely covered by the earth’s shadow, will be from 2:41 to 3:53 a.m.