NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: May		Year: 1978
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	8-8-8-8			*
2 - 3	8-8-8-8			*
3 - 4	6-8-0-0	*	*
4 - 5	8-8-2-2		*	*
5 - 6	2-1-1-1	*
6 - 7	0-0-0-0	*
7 - 8	0-0-0-0	*
8 - 9	0-0-0-1	*
9 - 10	0-0-1-2	*
10 - 11	6-6-4-3			*
11 - 12	8-8-4-4			*
12 - 13	7-8-6-6			*
13 - 14	6-4-1-0	*	*
14 - 15	0-0-0-0	*
15 - 16	1-1-1-1	*
16 - 17	5-3-8-8			*
17 - 18	1-0-0-0	*
18 - 19	0-0-0-0	*
19 - 20	4-1-1-0	*	*
20 - 21	3-1-0-0	*
21 - 22	1-1-1-0	*
22 - 23	1-1-7-8	*	*
23 - 24	8-4-1-0	*	*
24 - 25	0-0-0-0	*
25 - 26	0-0-0-1	*
26 - 27	0-0-0-0	*
27 - 28	0-0-0-0	*
28 - 29	0-2-0-0	*
29 - 30	0-0-0-0	*
30 - 31	0-0-0-0	*
31 - 01	0-0-0-0	*
	Totals	24	6	7
		Min.	Med.	Max.
Temp. Deg. F		38	50	66
Humidity % RH		9		100
Wind speed M/H			32	49
Water, precipitation	this month	00	tot.year:	00
			Report by: Oscar Saa