NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: July		Year: 1980
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	0-0-0-0	*
2 - 3	0-0-1-3	*	*
3 - 4	6-6-6-6			*
4 - 5	6-6-6-6			*
5 - 6	8-8-4-1		*	*
6 - 7	8-8-8-6			*
7 - 8	0-0-0-0	*
8 - 9	0-0-0-2	*		*
9 - 10	8-7-4-4
10 - 11	0-0-0-0	*
11 - 12	0-0-0-0	*
12 - 13	0-0-0-0
13 - 14	2-1-0-0	*
14 - 15	1-2-7-7		*	*
15 - 16	8-8-8-8			*
16 - 17	2-8-8-8		*	*
17 - 18	7-8-8-8			*
18 - 19	8-8-8-8			*
19 - 20	3-0-0-0	*
20 - 21	2-0-1-1	*
21 - 22	1-0-0-0	*
22 - 23	0-0-0-0	*
23 - 24	0-0-0-0	*
24 - 25	5-6-8-8			*
25 - 26	8-8-8-8			*
26 - 27	0-0-5-7	*	*	*
27 - 28	7-7-4-3			*
28 - 29	3-3-5-7	*	*	*
29 - 30	1-1-2-0	*
30 - 31	0-0-0-0	*
31 - 1	3-3-2-1	*	*
	Totals	17	7	15
		Min.	Med.	Max.
Temperat. deg.F		24	45	72
Humidity % RH		0		100
Wind speed M/H			37	70
Water, precipitation	this month	74mm	tot.year:	177.5mm
			Report by: Oscar Saa