OBSERVING STATISTICS |
January - June 2005 |
|
|
Clear Nights* |
Photometric Nights |
Number of Observation Hours |
Average Temperture (ºC) |
Average Wind Speed (m/s) |
Average Humidity (%) |
January |
23 |
15 |
309.1 |
0.0 |
5.8 |
49.1 |
February |
12 |
10 |
157.3 |
-3.9 |
4.7 |
76.9 |
March |
8 |
3 |
121.7 |
1.3 |
5.1 |
78.1 |
April |
13 |
7 |
161.1 |
5.0 |
6.2 |
65.4 |
May |
13 |
7 |
159.5 |
10.8 |
5.7 |
52.9 |
June |
17 |
9 |
177.5 |
14.8 |
4.7 |
55.9 |
|
Total number of clear nights from January 1 to June 30, 2005: 86 |
*A clear night is when the sky is 70% clear for more than 6 hours |
Comments and suggestions to U. Thiele (uthiele@caha.es) |