NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: June		Year: 1980
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	3-3-1-3	*	*
2 - 3	2-3-3-3	*	*
3 - 4	3-3-3-3	*	*
4 - 5	3-3-4-4		*	*
5 - 6	6-6-6-6			*
6 - 7	6-3-6-6			*
7 - 8	2-4-8-8		*	*
8 - 9	6-6-6-1		*	*
9 - 10	7-7-7-7			*
10 - 11	0-0-4-4	*	*
11 - 12	8-8-8-8			*
12 - 13	0-0-0-0	*
13 - 14	2-2-1-1	*	*
14 - 15	2-2-5-5		*	*
15 - 16	2-1-1-1	*	*
16 - 17	1-0-0-0	*
17 - 18	2-1-0-0	*	*
18 - 19	3-2-1-1	*	*
19 - 20	6-7-8-7			*
20 - 21	2-7-7-3		*	*
21 - 22	1-0-0-0	*
22 - 23	2-3-4-2	*	*
23 - 24	8-1-0-8	*		*
24 - 25	8-6-3-5			*
25 - 26	0-1-0-4	*	*
26 - 27	5-5-2-1		*	*
27 - 28	0-1-3-5	*	*
28 - 29	2-3-3-3	*	*
29 - 30	0-0-0-0	*
30 - 01	0-1-2-3	*	*
	Totals	18	19	13
		Min.	Med.	Max.
Temperat. deg.F		24	55	73
Humidity % RH		0		100
Wind speed M/H			36	62
Water, precipitation	this month	00	tot.year:	103.5mm
			Report by: Oscar Saa