NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: August		Year: 1981
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	1-0-0-0	*	*
2 - 3	5-6-7-7			*
3 - 4	5-5-7-7			*
4 - 5	8-8-8-8			*
5 - 6	8-8-8-8			*
6 - 7	8-8-8-8			*
7 - 8	5-2-0-0		*
8 - 9	0-0-0-0	*	*
9 - 10	0-0-0-0	*	*
10 - 11	0-0-0-0	*	*
11 - 12	1-3-5-5		*
12 - 13	0-0-0-0	*	*
13 - 14	0-0-0-0	*	*
14 - 15	0-0-0-0	*	*
15 - 16	0-2-1-0		*
16 - 17	1-0-0-0	*	*
17 - 18	0-0-0-0	*	*
18 - 19	0-0-0-0	*	*
19 - 20	0-0-2-2		*
20 - 21	0-0-0-0	*	*
21 - 22	0-0-0-0	*	*
22 - 23	0-0-0-0	*	*
23 - 24	0-1-3-0		*
24 - 25	0-0-0-0	*	*
25 - 26	0-2-1-0		*
26 - 27	0-0-0-0	*	*
27 - 28	0-0-0-0	*	*
28 - 29	0-0-1-3		*
29 - 30	7-7-8-8			*
30 - 31	6-7-8-8			*
31 - 1	2-2-2-2		*
	Totals	16	24	7
		Min.	Med.	Max.
Temperat. deg.F		27	50	70
Humidity % RH		0	20	100
Wind speed M/H		0	10-15	62
Water, precipitation	this month	25mm	tot.year:	96mm
			Report by: Oscar Saa