NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: May		Year: 1987
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	2-4-7-8		*
2 - 3	1-0-0-0	*
3 - 4	0-0-0-0	*
4 - 5	0-0-0-1	*
5 - 6	8-8-6-6			*
6 - 7	8-8-8-8			*
7 - 8	1-0-0-0	*
8 - 9	0-0-0-0	*
9 - 10	0-0-0-0	*
10 - 11	1-3-6-7		*
11 - 12	2-2-5-6		*
12 - 13	8-7-8-2		*
13 - 14	0-0-0-0	*
14 - 15	0-0-0-2	*
15 - 16	0-2-6-6		*
16 - 17	8-8-8-8			*
17 - 18	8-8-8-8			*
18 - 19	8-8-8-8			*
19 - 20	1-0-0-0	*
20 - 21	0-0-0-0	*
21 - 22	0-2-6-8		*
22 - 23	4-4-6-5		*
23 - 24	3-2-1-2		*
24 - 25	8-8-8-8			*
25 - 26	6-5-7-5			*
26 - 27	3-3-7-8			*
27 - 28	0-5-8-8		*
28 - 29	5-7-7-7			*
29 - 30	3-6-7-8			*
30 - 31	3-4-6-8		*
31 - 01	4-5-8-8			*
	Totals	10	10	11
		Min.	Med.	Max.
Temp. Deg. F		24	~50	72
Humidity % RH		~5	30	100
Wind speed M/H		0	~10	44
Water, precipitation	this month	24.5	tot.year:	26.0
			Report by: Oscar Saa