NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: April		Year: 2000
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	5-3-2-4		*
2 - 3	8-8-7-6			*
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	1-2-2-5		*
9 - 10	5-4-2-2		*
10 - 11	0-0-0-0	*
11 - 12	1-0-0-0	*
12 - 13	7-8-8-8			*
13 - 14	5-4-8-8			*
14 - 15	8-8-8-8			*
15 - 16	7-7-8-8			*
16 - 17	8-8-8-8			*
17 - 18	0-0-0-0	*
18 - 19	0-0-0-0	*
19 - 20	1-0-0-0	*
20 - 21	1-3-3-1		*
21 - 22	0-0-0-0	*
22 - 23	0-0-0-0	*
23 - 24	0-0-0-0	*
24 - 25	0-1-2-1		*
25 - 26	1-1-4-0		*
26 - 27	0-1-4-3		*
27 - 28	2-1-0-0		*
28 - 29	0-0-0-1	*
29 - 30	3-1-0-1		*
30 - 31	0-0-0-1	*
31 - 01
	Totals	15	9	6
		Min.	Med.	Max.
Temperat. deg.C		3	10	19
Humidity % RH		10	35	100
Wind speed M/H		0	10	35
Water, precipitation	this month	2,3	tot.year:	2,3
			Report by: Oscar Saa