NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report Month: February Year: 1998
Date Cloud cover Photometric Useful Useless
1 - 2 0 - 0 - 1 - 2   *  
2 - 3 8 - 8 - 8 - 8     *
3 - 4 6 - 8 - 8 - 8     *
4 - 5 4 -  6 - 7 - 8   *  
5 - 6 5 - 5 - 5 - 5   *  
6 - 7 4 - 5 - 6 - 2   *  
7 - 8 7 - 8 - 8 - 8     *
8 - 9 3 - 4 - 5 - 8   *  
9 - 10 4 - 2 - 1 - 1   *  
10 - 11 1 - 1 - 1 - 1   *  
11 - 12 0 - 0 - 0 - 1 *    
12 - 13 0 - 0 - 0 - 0 *    
13 - 14 0 - 0 - 0 - 0 *    
14 - 15 0 - 0 - 0 - 0 *    
15 - 16 0 - 0 - 2 - 0 *    
16 - 17 0 - 0 - 0 - 2 *    
17 - 18 0 - 2 - 3 - 2   *  
18 - 19 8 - 8 - 8 - 8     *
19 - 20 4 - 5 - 3 - 2   *  
20 - 21 0 - 0 - 0 - 0 *    
21 - 22 0 - 0 - 0 - 0 *    
22 - 23 0 - 0 - 1 - 8   *  
23 - 24 1 - 0 - 0 - 0 *    
24 - 25 1 - 0 - 0 - 0 *    
25 - 26 1 - 0 - 0 - 0 *    
26 - 27 0 - 0 - 0 - 0 *    
27 - 28 0 - 0 - 0 - 0 *    
28 - 01 0 - 0 - 0 - 0 *    
Totals 14 10 4
Min. Med. Max.
Temperat. C degrees   10 16 19
Humidity % RH   40 60 100
Wind speed M/H   -- 15 35
Rainfall this month: 0.0 this year: 0.0
Report by: Oscar Saa