NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report Month: April Year: 1997
Date Cloud cover Photometric Useful Useless
1 - 2 0 - 0 - 0 - 0 *    
2 - 3 0 - 0 - 0 - 0 *    
3 - 4 0 - 0 - 0 - 0 *    
4 - 5 0 - 0 - 0 - 0 *    
5 - 6 0 - 0 - 0 - 0 *    
6 - 7 0 - 0 - 0 - 0 *    
7 - 8 0 - 0 - 0 - 0 *    
8 - 9 0 - 0 - 0 - 0 *    
9 - 10 0 - 0 - 0 - 0 *    
10 - 11 0 - 0 - 0 - 0 *    
11 - 12 0 - 0 - 0 - 0 *    
12 - 13 0 - 0 - 0 - 0 *    
13 - 14 0 - 0 - 0 - 0 *    
14 - 15 0 - 0 - 0 - 0 *    
15 - 16 0 - 0 - 0 - 0 *    
16 - 17 0 - 0 - 0 - 0 *    
17 - 18 0 - 0 - 0 - 1 *    
18 - 19 1 - 0 - 0 - 0 *    
19 - 20 1 - 0 - 0 - 2   *  
20 - 21 2 - 3 - 6 - 8     *
21 - 22 1 - 1 - 1 - 1   *  
22 - 23 2 - 1 - 0 - 0   *  
23 - 24 1 - 0 - 0 - 0 *    
24 - 25 0 - 0 - 1 - 1   *  
25 - 26 1 - 1 - 2 - 2   *  
26 - 27 1 - 0 - 0 - 0 *    
27 - 28 1 - 2 - 3 - 3   *  
28 - 29 1 - 0 - 0 - 0 *    
29 - 30 0 - 0 - 0 - 0 *    
30 - 01 0 - 0 - 0 - 0 *    
Totals 23 6 1
Min. Med. Max.
Temperat. C degrees   10 18 26
Humidity % RH   <10 45 85
Wind speed M/H   -- 7 25
Rainfall this month: 0.0 this year: 1.5mm
Report by: Oscar Saa