NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: April		Year: 1979
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	2-0-0-0	*
2 - 3	7-4-7-7			*
3 - 4	8-8-8-8			*
4 - 5	8-8-2-0		*	*
5 - 6	0-0-0-0	*
6 - 7	1-2-6-2	*	*
7 - 8	8-8-8-8			*
8 - 9	0-0-0-0	*
9 - 10	0-0-0-0	*
10 - 11	1-1-1-1	*
11 - 12	0-0-0-0	*
12 - 13	0-0-0-0	*
13 - 14	0-0-0-0	*
14 - 15	0-0-0-0	*
15 - 16	1-1-8-8		*	*
16 - 17	1-0-6-7		*	*
17 - 18	1-5-5-7		*	*
18 - 19	2-2-6-7		*	*
19 - 20	5-6-1-0		*	*
20 - 21	0-0-0-2	*
21 - 22	2-2-1-2	*
22 - 23	0-0-0-0	*
23 - 24	2-5-5-5		*	*
24 - 25	4-5-6-7			*
25 - 26	0-0-0-0	*
26 - 27	8-8-8-8			*
27 - 28	8-8-8-8			*
28 - 29	8-2-2-4		*	*
29 - 30	2-0-4-8		*	*
30 -01	2-4-7-7		*	*
	Totals	14	11	16
		Min.	Med.	Max.
Temperat. deg.F		30	54	73
Humidity % RH		2		90
Wind speed M/H			40	57
Water, precipitation	this month	2.8mm	tot.year:	3.7mm
			Report by: Oscar Saa