NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report Month: May Year: 1984
Date Cloud cover Photometric Useful Useless
1 - 2 0 - 0 - 0 - 0 *    
2 - 3 0 - 1 - 2 - 2   *  
3 - 4 4 - 7 - 8 - 8     *
4 - 5 4 - 5 - 6 - 7   *  
5 - 6 5 - 5 - 3 - 1   *  
6 - 7 1 - 1 - 5 - 7   *  
7 - 8 3 - 2 - 4 - 4   *  
8 - 9 2 - 2 - 1 - 1   *  
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 - 2 *    
15 - 16 7 - 7 - 6 - 5     *
16 - 17 2 - 5 - 5 - 5     *
17 - 18 3 - 2 - 4 - 3   *  
18 - 19 5 - 7 - 7 - 6     *
19 - 20 6 - 7 - 7 - 7     *
20 - 21 8 - 8 - 8 - 8     *
21 - 22  0 - 0 - 0 - 0 *    
22 - 23 0 - 0 - 0 - 0 *    
23 - 24 0 - 1 - 3 - 5   *  
24 - 25 8  - 8 - 8 - 8     *
25 - 26 8 - 6 - 1 - 0   *  
26 - 27 2 - 2 - 1 - 1   *  
27 - 28 8 - 8 - 8 - 8     *
28 - 29 0 - 0 - 0 - 0   *  
29 - 30 0 - 0 - 0 - 0 *    
30 - 31 0 - 0 - 0 - 0 *    
31 - 01 4 - 3 - 4 - 4   *  
Totals 11 12 8
Min. Med. Max.
Temperat. deg.F   28 50 66
Humidity % RH   5 20 100
Wind speed M/H   00 15 64
Water, precipitation this month 00 tot.year: 10.3
Report by: Oscar Saa