NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report Month: January Year: 1979
Date Cloud cover Photometric Useful Useless
1 - 2 0-0-0-0 *    
2 - 3 1-1-1-4 * *  
3 - 4 3-4-4-6   * *
4 - 5 3-4-4-2   * *
5 - 6 1-0-0-0 *    
6 - 7 1-1-2-2 *    
7 - 8 2-1-3-3 * *  
8 - 9 3-3-7-7   * *
9 - 10 1-2-4-4   * *
10 - 11 5-5-5-3   * *
11 - 12 1-0-0-0 *    
12 - 13 0-0-0-0 *    
13 - 14 0-0-0-0 *    
14 - 15 0-0-0-0 *    
15 - 16 8-8-8-8     *
16 - 17 6-4-2-2   * *
17 - 18 8-8-8-8     *
18 - 19 2-1-1-2 *    
19 - 20 0-0-0-0 *    
20 - 21 0-0-0-0 *    
21 - 22 0-0-0-0 *    
22 - 23 0-0-0-0 *    
23 - 24 0-0-0-0 *    
24 - 25 0-0-0-0 *    
25 - 26 0-0-0-0 *    
26 - 27 0-0-0-3 *    
27 - 28 0-0-0-0 *    
28 - 29 0-0-0-0 *    
29 - 30 2-2-0-0 *    
30 - 31 1-1-1-1 *    
31 - 1 0-0-0-0 *    
Totals 23 8 8
Min. Med. Max.
Temperat. deg.F   41 61 75
Humidity % RH   4   83
Wind speed M/H     33 52
Water, precipitation this month 00 tot.year: 00
Report by: Oscar Saa