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Table 5.
Weather statistics for the winter at Dome C as observed with ASTEP South.
| 2008 | 2009 | 2010 | 2011 | Average | |
|---|---|---|---|---|---|
| Excluding white-outs: | |||||
| Photometric | 75.6 ± 2.2 | 69.6 ± 1.2 | 75.3 ± 2.7 | 70.9 ± 1.2 | 72.9 ± 3.1 |
| Veiled | 23.1 ± 2.2 | 25.8 ± 1.1 | 22.3 ± 1.7 | 23.3 ± 1.1 | 23.7 ± 1.5 |
| Bad | 1.3 ± 0.1 | 4.5 ± 0.5 | 2.3 ± 0.2 | 5.8 ± 0.6 | 3.5 ± 2.0 |
| Including white-outs: | |||||
| Photometric | 63.0 ± 2.2 | 64.7 ± 1.2 | 72.5 ± 2.6 | 68.0 ± 1.2 | 67.1 ± 4.2 |
| Veiled | 19.2 ± 1.8 | 24.0 ± 1.1 | 21.5 ± 1.6 | 22.4 ± 1.1 | 21.8 ± 2.0 |
| Bad | 1.1 ± 0.1 | 4.2 ± 0.4 | 2.2 ± 0.2 | 5.5 ± 0.6 | 3.3 ± 2.0 |
| White-out | 16.6 ± 1.7 | 7.1 ± 0.7 | 3.8 ± 0.4 | 4.1 ± 0.4 | 7.9 ± 6.0 |
Notes. All numbers are in percent.
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