MMT December Observing Statistics

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Percentage of time scheduled for observing               90.0
Percentage of time scheduled for engineering            10.0
Percentage of time scheduled for sec/instr change       0.0
Percentage of time lost to weather                            37.8
Percentage of time lost to instrument                          2.6
Percentage of time lost to telescope                           7.1
Percentage of time lost to general facility                    0.1
Percentage of time lost to environment (non-weather)   0.0
Percentage of time lost                                            47.6
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Breakdown of hours lost to telescope:
10.25  Hexapod failure
7.30  M2 (f/15) problems
7.00  AO software
0.50  Gap contamination
0.50  Thin Shell Safety (TSS) issues