NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: July		Year: 1978
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	4-4-4-5			*
2 - 3	4-4-5-6			*
3 - 4	4-4-7-8			*
4 - 5	1-1-0-0	*
5 - 6	3-1-8-8		*	*
6 - 7	8-8-8-8			*
7 - 8	8-8-8-8			*
8 - 9	2-4-6-8		*	*
9 - 10	1-4-8-7		*	*
10 - 11	2-5-0-0	*	*
11 - 12	0-0-0-0	*
12 - 13	3-4-8-8		*	*
13 - 14	8-8-8-8			*
14 - 15	8-8-8-8			*
15 - 16	2-3-8-8		*	*
16 - 17	8-7-8-8			*
17 - 18	8-8-8-8			*
18 - 19	8-8-8-8			*
19 - 20	8-8-8-8			*
20 - 21	8-8-8-8			*
21 - 22	5-4-2-1		*	*
22 - 23	4-3-2-2		*	*
23 - 24	3-3-4-4		*	*
24 - 25	2-1-1-1	*
25 - 26	1-2-2-6	*	*
26 - 27	2-0-0-0	*
27 - 28	0-0-0-0	*
28 - 29	0-0-0-0	*
29 - 30	0-0-0-0	*
30 - 31	0-0-2-1	*
31 - 01	1-0-0-0	*
	Totals	11	10	20
		Min.	Med.	Max.
Temp. Deg. F		25	47	69
Humidity % RH		2		100
Wind speed M/H			43.35	79
Water, precipitation	this month	38.1mm	tot.year:	38.1mm
			Report by: Oscar Saa