NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: July		Year: 1979
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	0-3-1-1	*	*
2 - 3	2-1-6-8		*	*
3 - 4	6-6-4-4			*
4 - 5	5-5-1-1		*	*
5 - 6	4-6-4-2			*
6 - 7	1-1-4-7		*	*
7 - 8	1-0-0-0	*
8 - 9	1-2-6-6		*	*
9 - 10	7-4-8-8			*
10 - 11	8-6-4-4			*
11 - 12	0-1-6-6	*	*
12 - 13	0-0-0-1	*
13 - 14	1-4-6-6		*	*
14 - 15	5-1-0-0	*	*
15 - 16	0-0-0-0	*
16 - 17	1-1-0-0	*
17 - 18	7-3-0-0	*	*
18 - 19	0-0-0-0	*
19 - 20	0-0-0-0	*
20 - 21	0-0-0-0	*
21 - 22	0-0-0-0	*
22 - 23	7-8-8-8			*
23 - 24	8-8-8-8			*
24 - 25	4-8-4-8			*
25 - 26	8-8-8-8			*
26 - 27	8-8-8-8			*
27 - 28	8-8-6-4			*
28 - 29	6-7-7-7			*
29 - 30	6-7-7-8			*
30 - 31	6-8-8-8			*
31 - 1	8-8-8-8			*
	Totals	12	9	19
		Min.	Med.	Max.
Temperat. deg.F		25	50	69
Humidity % RH		1		100
Wind speed M/H			39	77
Water, precipitation	this month	4.0mm	tot.year:	8.4mm
			Report by: Oscar Saa