NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: July		Year: 1999
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	8-8-7-8			*
2 - 3	5-8-8-8			*
3 - 4	0-0-0-0	*
4 - 5	0-0-0-0	*
5 - 6	0-0-0-0	*
6 - 7	0-0-0-0	*
7 - 8	0-0-0-3	*
8 - 9	0-0-0-0	*
9 - 10	4-5-6-7		*
10 - 11	4-6-8-8			*
11 - 12	8-5-2-2		*
12 - 13	8-8-8-8			*
13 - 14	1-0-0-0	*
14 - 15	0-0-0-0	*
15 - 16	0-0-0-0	*
16 - 17	2-5-7-7		*
17 - 18	8-8-3-0		*
18 - 19	8-8-8-8			*
19 - 20	0-0-0-0	*
20 - 21	0-0-0-0	*
21 - 22	0-0-2-0		*
22 - 23	0-0-0-0	*
23 - 24	0-0-0-0	*
24 - 25	0-0-0-0	*
25 - 26	0-0-0-1	*
26 - 27	2-3-4-4		*
27 - 28	5-5-6-6		*
28 - 29	3-4-6-1		*
29 - 30	5-5-1-1		*
30 - 31	0-0-0-0	*
31 - 01	0-0-0-0	*
	Totals	17	9	5
		Min.	Med.	Max.
Temperat. deg.C		-1	10	17
Humidity % RH		8	35	100
Wind speed M/H		0	9	38
Water, precipitation	this month	0.6	tot.year:	33.8
			Report by: Oscar Saa