NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: September		Year: 1999
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	4-7-6-5			*
2 - 3	4-7-5-7			*
3 - 4	7-7-8-8			*
4 - 5	8-8-8-8			*
5 - 6	6-4-6-8			*
6 - 7	8-7-7-7			*
7 - 8	8-8-7-4			*
8 - 9	0-0-0-0	*
9 - 10	6-2-1-0		*
10 - 11	7-6-1-0		*
11 - 12	1-0-2-4		*
12 - 13	8-8-8-8			*
13 - 14	0-0-1-3		*
14 - 15	0-0-0-0	*
15 - 16	0-0-0-0	*
16 - 17	0-0-0-0	*
17 - 18	0-0-0-0	*
18 - 19	0-0-0-0	*
19 - 20	0-0-0-0	*
20 - 21	0-0-0-0	*
21 - 22	2-5-3-2		*
22 - 23	0-0-0-0	*
23 - 24	3-2-1-1		*
24 - 25	5-5-3-3			*
25 - 26	0-0-0-0	*
26 - 27	0-0-0-0	*
27 - 28	3-2-1-0		*
28 - 29	4-3-3-3		*
29 - 30	4-5-4-4		*
30 - 31	8-8-8-8			*
31 - 01
	Totals	11	9	10
		Min.	Med.	Max.
Temperat. deg.C		0	11	20
Humidity % RH		18	35	100
Wind speed M/H		0	10	35
Water, precipitation	this month		tot.year:
			Report by: Oscar Saa