NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: July		Year: 1981
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	0-0-0-0	*	*
2 - 3	0-0-0-0	*	*
3 - 4	0-0-0-0	*	*
4 - 5	1-2-1-1		*
5 - 6	2-2-3-3		*
6 - 7	0-0-0-0	*	*
7 - 8	1-2-1-1		*
8 - 9	4-2-8-8		*	*
9 - 10	2-1-0-0		*
10 - 11	1-4-8-8		*	*
11 - 12	4-6-8-8		*	*
12 - 13	0-0-0-0	*	*
13 - 14	3-4-7-8		*
14 - 15	4-6-2-3		*
15 - 16	8-8-8-8			*
16 - 17	0-0-0-0	*	*
17 - 18	0-0-0-0	*	*
18 - 19	0-1-0-0	*	*
19 - 20	0-0-0-1	*	*
20 - 21	0-0-1-1	*	*
21 - 22	0-1-1-1		*
22 - 23	0-0-0-0	*	*
23 - 24	0-0-0-0	*	*
24 - 25	0-0-0-0	*	*
25 - 26	1-2-2-7		*
26 - 27	2-7-6-6		*	*
27 - 28	3-5-6-4		*	*
28 - 29	7-6-4-4		*	*
29 - 30	2-5-2-2		*
30 - 31	1-2-4-4		*
31 - 1
	Totals	13	29	7
		Min.	Med.	Max.
Temperat. deg.F		26	47	69
Humidity % RH			15	100
Wind speed M/H		0.0	15	58
Water, precipitation	this month	~20	tot.year:	71mm
			Report by: Oscar Saa