NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: September		Year: 1980
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	1-0-0-0	*
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	0-1-3-5	*	*
13 - 14	0-0-0-0	*
14 - 15	0-0-0-0	*
15 - 16	0-2-3-3	*	*
16 - 17	4-6-2-0		*	*
17 - 18	8-8-8-8			*
18 - 19	8-8-8-8			*
19 - 20	8-8-8-8			*
20 - 21	1-0-0-0	*
21 - 22	0-0-1-1	*
22 - 23	7-1-1-1	*	*
23 - 24	0-1-0-0	*
24 - 25	6-0-0-0	*	*
25 - 26	8-8-8-8			*
26 - 27	1-0-0-0	*
27 - 28	7-8-8-8			*
28 - 29	8-8-8-8			*
29 - 30	8-8-8-8			*
30 - 01	8-8-8-8			*
	Totals	21	5	9
		Min.	Med.	Max.
Temperat. deg.F		27	50	77
Humidity % RH		0		100
Wind speed M/H			38	66
Water, precipitation	this month	15mm	tot.year:	200.1mm
			Report by: Oscar Saa