Weather Report for March 7, 2013

An excellent, photometric, and highly productive night. The seeing was highly variable; occasionally being sub-arcsec and brief episodes when it was worse than 3 arcsec. For the vast majority of the night, the seeing was better than 2 arcsec.

A major winter-type storm is descending into Arizona from the northwest. This system is expected to prevent observations for the next few days.