NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: October		Year: 1980
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	7-3-5-6			*
2 - 3	5-1-1-5		*	*
3 - 4
4 - 5	0-0-0-0	*
5 - 6	0-1-1-0	*
6 - 7	4-1-1-1	*	*
7 - 8	1-0-0-0	*
8 - 9	0-0-0-0	*
9 - 10	0-0-0-0	*
10 - 11	0-0-0-0	*
11 - 12	0-0-0-0	*
12 - 13	0-0-0-0	*
13 - 14	0-0-0-0	*
14 - 15	0-0-0-0	*
15 - 16	5-3-4-4			*
16 - 17	2-1-1-1	*
17 - 18	0-0-0-0	*
18 - 19	0-0-0-0	*
19 - 20	3-2-1-0	*	*
20 - 21	0-0-0-0	*
21 - 22	0-0-0-0	*
22 - 23	0-0-2-2	*	*
23 - 24	5-5-5-5			*
24 - 25	7-7-4-0		*	*
25 - 26	4-4-6-6			*
26 - 27	4-4-5-6			*
27 - 28	2-4-8-8			*
28 - 29	3-4-8-7			*
29 - 30	1-7-0-0	*	*
30 - 31	0-0-0-0	*
31 - 1	0-0-0-0	*
	Totals	21	6	9
		Min.	Med.	Max.
Temperat. deg.F		30	55	76
Humidity % RH		0		100
Wind speed M/H			36	55
Water, precipitation	this month	10mm	tot.year:	210.1mm
			Report by: Oscar Saa