NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: December		Year: 1983
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 - 2	*
10 - 11	0 - 0 - 0 - 2	*
11 - 12	0 - 0 - 0 - 1	*
12 - 13	5 - 6 - 4 - 4			*
13 - 14	6 - 6 - 5 - 6			*
14 - 15	0 - 0 - 0 - 0	*
15 - 16	0 - 0 - 0 - 0	*
16 - 17	0 - 0 - 0 - 0	*
17 - 18	0 - 0 - 0 - 0	*
18 - 19	0 - 0 - 0 - 0	*
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	0 - 0 - 0 - 0	*
24 - 25	obs. Closed
25 - 26	obs. Closed
26 - 27	0 - 0 - 0 - 2	*
27 - 28	0 - 0 - 0 - 2	*
28 - 29	5 - 4 - 3 - 2		*
29 - 30	1 - 1 - 1 - 1		*
30 - 31	0 - 0 - 0 - 1	*
31 - 01	0 - 0 - 0 - 0	*
	Totals	25	2	2
		Min.	Med.	Max.
Temperat. deg.F		47	60	72
Humidity % RH		11	40 - 50	93
Wind speed M/H		00	10	32
Water, precipitation	this month	00	tot.year:	200
			Report by: Oscar Saa