NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: December		Year: 1998
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	1-1-0-0		*
2 - 3	2-1-1-1		*
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	1-1-1-1		*
13 - 14	0-0-0-0	*
14 - 15	0-0-0-0	*
15 - 16	1-1-0-0		*
16 - 17	1-1-1-1		*
17 - 18	2-1-3-4		*
18 - 19	4-4-5-6		*
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	1-0-0-0	*
24 - 25	5-5-4-3		*
25 - 26	1-1-1-1		*
26 - 27	1-0-0-0	*
27 - 28	0-0-0-0	*
28 - 29	0-0-0-0	*
29 - 30	5-4-5-4		*
30 - 31	1-0-0-0	*
31 - 01	Observ. Closed
	Totals	20	10
		Min.	Med.	Max.
Temperat. deg.C		7	16	26
Humidity % RH		~10	35	80
Wind speed M/H		0	8	20
Water, precipitation	this month	0	tot.year:	23mm
			Report by: Oscar Saa