NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report Month: August Year: 1983
Date Cloud cover Photometric Useful Useless
1 - 2 0-0-0-0 *    
2 - 3 4-4-3-1   *  
3 - 4 1-0-0-0 *    
4 - 5 0-0-2-0 *    
5 - 6 2-3-5-7   *  
6 - 7 8-6-6-7     *
7 - 8 5-0-0-0 *    
8 - 9 0-0-0-0 *    
9 - 10 0-0-7-7   *  
10 - 11 0-0-1-3   *  
11 - 12 8-8-8-8     *
12 - 13 0-0-2-1   *  
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 0-0-0-0 *    
18 - 19 1-0-0-0 *    
19 - 20 0-0-0-0 *    
20 - 21 2-5-8-7     *
21 - 22 4-4-3-2   *  
22 - 23 4-4-2-2   *  
23 - 24 4-5-2-0   *  
24 - 25 5-5-4-4     *
25 - 26 5-3-3-1   *  
26 - 27 7-8-8-8     *
27 - 28 8-8-8-8     *
28 - 29 8-8-8-8     *
29 - 30 8-8-8-8     *
30 - 31 1-1-0-0   *  
31 - 01 0-0-0-0 *    
Totals 13 10 8
Min. Med. Max.
Temperat. deg.F   25 ~50 74
Humidity % RH   0 ~55 100
Wind speed M/H   0 25 62
Water, precipitation this month 36.5mm tot.year: 198.7mm
Report by: Oscar Saa