NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: April		Year: 1990
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	0 - 0 - 0 - 0	*
2 - 3	0 - 0 - 0 - 0	*
3 - 4	0 - 0 - 0 - 0	*
4 - 5	0 - 0 - 0 - 0	*
5 - 6	0 - 0 - 0 - 0	*
6 - 7	0 - 0 - 0 - 0	*
7 - 8	0 - 0 - 0 - 0	*
8 - 9	0 - 0 - 0 - 0	*
9 - 10	0 - 0 - 0 - 0	*
10 - 11	0 - 0 - 0 - 0	*
11 - 12	0 - 0 - 0 - 0	*
12 - 13	2 - 1 - 2 - 1		*
13 - 14	0 - 0 - 0 - 0	*
14 - 15	0 - 0 - 0 - 0	*
15 - 16	0 - 0 - 2 - 3	*
16 - 17	1 - 1 - 2 - 2		*
17 - 18	1 - 2 - 3 - 4		*
18 - 19	1 - 2 - 3 - 5		*
19 - 20	7 - 8 - 8 - 8			*
20 - 21	7 - 7 - 7 - 7			*
21 - 22	8 - 8 - 8 - 8			*
22 - 23	7 - 6 - 5 - 6			*
23 - 24	7 - 7 - 6 - 6			*
24 - 25	5 - 7 - 4 - 8			*
25 - 26	2 - 1 - 0 - 1		*
26 - 27	1 - 0 - 0 - 0	*
27 - 28	1 - 0 - 7 - 8		*
28 - 29	0 - 0 - 0 - 0	*
29 - 30	1 - 2 - 5 - 7		*
30 - 01	0 - 0 - 0 - 0	*
	Totals	17	7	6
		Min.	Med.	Max.
Temperat. F degrees		34	~60	86
Humidity % RH		<10	~35	100
Wind speed M/H		--	12-15	40
Rainfall this month:	0.0	this year:	0.0
			Report by: Oscar Saa