NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: May		Year: 1990
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	1 - 2 - 3 - 3		*
2 - 3	7 - 7 - 7 - 7			*
3 - 4	8 - 8 - 8 - 8			*
4 - 5	2 - 1 - 0 - 0	*
5 - 6	0 - 0 - 0 - 0	*
6 - 7	0 - 0 - 0 - 0	*
7 - 8	0 - 1 - 2 - 5		*
8 - 9	5 - 6 - 8 - 8			*
9 - 10	1 - 0 - 0 - 0	*
10 - 11	2 - 5 - 6 - 7			*
11 - 12	8 - 8 - 8 - 8			*
12 - 13	7 - 8 - 8 - 8			*
13 - 14	2 - 1 - 2 - 0		*
14 - 15	0 - 1 - 2 - 2		*
15 - 16	1 - 4 - 8 - 8			*
16 - 17	0 - 0 - 0 - 0	*
17 - 18	0 - 0 - 0 - 0	*
18 - 19	0 - 0 - 0 - 0	*
19 - 20	0 - 0 - 0 - 0	*
20 - 21	0 - 0 - 0 - 0	*
21 - 22	0 - 0 - 0 - 0	*
22 - 23	0 - 0 - 0 - 0	*
23 - 24	0 - 1 - 2 - 4		*
24 - 25	7 - 4 - 4 - 5			*
25 - 26	6 - 6 - 7 - 7			*
26 - 27	4 - 1 - 0 - 0	*
27 - 28	4 - 2 - 8 - 8			*
28 - 29	7 - 7 - 6 - 6			*
29 - 30	7 - 8 - 7 - 7			*
30 - 31	0 - 0 - 0 - 0	*
31 - 01	1 - 4 - 5 - 7			*
	Totals	13	5	13
		Min.	Med.	Max.
Temperat. F degrees		42	~60	84
Humidity % RH		10	~25	44
Wind speed M/H		--	~10-12	42
Rainfall this month:	0.0	this year:	0.0
			Report by: Oscar Saa