NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report Month: July Year: 1982
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 6 - 6 - 6 - 6     *
5 - 6 6 - 6 - 2 - 1   *  
6 - 7 1 - 2 - 4 - 4   *  
7 - 8 2 - 4 - 7 - 8     *
8 - 9 8 - 8 - 8 - 8     *
9 - 10 0 - 2 - 2 - 0   *  
10 - 11 2 - 2 - 2 - 2   *  
11 - 12 8 - 6 - 3 - 5   *  
12 - 13 0 - 0 - 6 - 7   *  
13 - 14 2 - 2 - 6 - 6   *  
14 - 15 7 - 7 - 7 - 7     *
15 - 16 8 - 8 - 8 - 8     *
16 - 17 8 - 8 - 8 - 8     *
17 - 18 8 - 8 - 8 - 8     *
18 - 19 3 - 7 - 5 - 5     *
19 - 20 6 - 6 - 6 - 6     *
20 - 21 6 - 6 - 6 - 6     *
21 - 22 1 - 3 - 4 - 4   *  
22 - 23 1 - 2 - 5 - 6   *  
23 - 24 2 - 2 - 2 - 2   *  
24 - 25 2 - 2 - 2 - 2   *  
25 - 26 8 - 8 - 7 - 5     *
26 - 27 0 - 0 - 2 - 2   *  
27 - 28 1 - 1 - 1 - 1   *  
28 - 29 2 - 2 - 2 - 2   *  
29 - 30 2 - 2 - 3 - 5   *  
30 - 31 7 - 7 - 7 - 7     *
31 - 01 0 - 0 - 0 - 0 *    
Totals 4 15 12
Min. Med. Max.
Temperat. deg.F   35 45 - 50 67
Humidity % RH   0 20 100
Wind speed M/H   00 20 - 25 65
Water, precipitation this month 43.7 tot.year: 95.0
Report by: Oscar Saa