NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: May		Year: 1979
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	8-8-8-8			*
2 - 3	8-8-2-1		*	*
3 - 4	0-0-0-0	*
4 - 5	8-6-8-8			*
5 - 6	8-8-8-8			*
6 - 7	5-6-6-8			*
7 - 8	8-8-7-8			*
8 - 9	4-7-7-7			*
9 - 10	6-6-7-8			*
10 - 11	3-4-7-7			*
11 - 12	2-0-0-1	*
12 - 13	3-2-0-1	*
13 - 14	5-7-7-7			*
14 - 15	2-2-3-3	*	*
15 - 16	5-3-5-5			*
16 - 17	7-8-7-4			*
17 - 18	6-6-4-4			*
18 - 19	2-2-2-2	*	*
19 - 20	2-1-1-1	*
20 - 21	2-1-1-1	*
21 - 22	1-2-8-8		*	*
22 - 23	1-0-0-0	*
23 - 24	0-0-0-0	*
24 - 25	2-8-8-8			*
25 - 26	1-0-0-0	*
26 - 27	1-0-0-3	*
27 - 28	2-4-6-6			*
28 - 29	0-0-1-0	*
29 - 30	0-0-1-1	*
30 - 31	0-0-0-0	*
31 - 1	0-0-0-0	*
	Totals	15	4	16
		Min.	Med.	Max.
Temperat. deg.F		37	54	71
Humidity % RH		3		85
Wind speed M/H			35	59
Water, precipitation	this month	00	tot.year:	03.7mm
			Report by: Oscar Saa