NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: May		Year: 1986
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	0-0-0-0	*
2 - 3	5-3-4-4		*
3 - 4	6-5-7-7		*
4 - 5	5-2-1-0		*
5 - 6	0-0-0-0	*
6 - 7	1-1-1-1		*
7 - 8	0-0-0-0	*
8 - 9	5-4-2-1		*
9 - 10	6-2-1-1		*
10 - 11	1-0-0-0	*
11 - 12	6-5-6-6		*
12 - 13	3-4-5-7		*
13 - 14	8-8-8-8			*
14 - 15	8-8-8-8			*
15 - 16	8-8-8-8			*
16 - 17	2-1-1-2		*
17 - 18	5-7-8-8			*
18 - 19	8-8-8-8			*
19 - 20	5-7-8-2			*
20 - 21	8-8-8-8			*
21 - 22	7-8-8-8			*
22 - 23	6-7-8-8			*
23 - 24	6-4-2-0		*
24 - 25	0-0-4-5		*
25 - 26	3-3-3-3		*
26 - 27	8-8-8-8			*
27 - 28	8-8-8-8			*
28 - 29	8-8-8-8			*
29 - 30	0-0-0-0	*
30 - 31	0-0-1-1		*
31 - 01	0-0-0-0	*
	Totals	6	13	12
		Min.	Med.	Max.
Temp. Deg. F		32	55-60	82
Humidity % RH		10	30	100
Wind speed M/H		0	~10	50
Water, precipitation	this month	28mm	tot.year:	28mm
			Report by: Oscar Saa