| OBSERVING STATISTICS |
| July - December 2005 |
| |
| |
Clear Nights* |
Photometric Nights |
Number of Observation Hours |
Average Temperture (ºC) |
Average Wind Speed (m/s) |
Average Humidity (%) |
| July |
23 |
15 |
206.5 |
18.4 |
4.5 |
47.7 |
| August |
21 |
13 |
199.6 |
17.0 |
4.4 |
50.6 |
| September |
14 |
4 |
200.8 |
11.2 |
4.8 |
63.5 |
| October |
11 |
7 |
163.6 |
8.5 |
5.1 |
69.6 |
| November |
8 |
2 |
148.2 |
0.8 |
5.1 |
78.6 |
| December |
10 |
6 |
144.7 |
-1.0 |
5.6 |
81.6 |
| |
| Total number of clear nights from July 1 to December 31, 2005: 87 |
| *A clear night is when the sky is 70% clear for more than 6 hours |
| Comments and suggestions to U. Thiele (uthiele@caha.es) |
