NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: September		Year: 1990
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	8 - 8 - 8 - 8			*
2 - 3	8 - 8 - 8 - 8			*
3 - 4	7 - 3 - 4 - 3			*
4 - 5	8 - 8 - 8 - 8			*
5 - 6	8 - 8 - 4 - 3			*
6 - 7	0 - 0 - 0 - 0	*
7 - 8	2 - 6 - 6 - 2			*
8 - 9	1 - 2 - 2 - 2		*
9 - 10	2 - 0 - 0 - 0	*
10 - 11	0 - 0 - 0 - 0	*
11 - 12	0 - 0 - 0 - 0	*
12 - 13	0 - 0 - 0 - 0	*
13 - 14	0 - 0 - 0 - 0	*
14 - 15	0 - 0 - 0 - 2	*
15 - 16	6 - 4 - 2 - 2			*
16 - 17	3 - 8 - 8 - 8			*
17 - 18	1 - 1 - 3 - 6		*
18 - 19	6 - 7 - 8 - 8			*
19 - 20	7 - 6 - 5 - 6			*
20 - 21	1 - 1 - 1 - 1		*
21 - 22	0 - 0 - 0 - 0	*
22 - 23	0 - 0 - 0 - 0	*
23 - 24	1 - 2 - 4 - 4			*
24 - 25	0 - 0 - 0 - 0	*
25 - 26	0 - 0 - 0 - 0	*
26 - 27	1 - 2 - 7 - 8			*
27 - 28	2 - 0 - 0 - 0	*
28 - 29	0 - 0 - 0 - 0	*
29 - 30	0 - 0 - 0 - 0	*
30 - 01	0 - 0 - 0 - 0	*
	Totals	15	3	12
		Min.	Med.	Max.
Temperat. F degrees		30	~50	79
Humidity % RH		6	~25	100
Wind speed M/H		--	~12	44
Rainfall this month:	6.2mm	this year:	45.7mm
			Report by: Oscar Saa