NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
	CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report		Month: July		Year: 1990
Date	Cloud cover	Photometric	Useful	Useless
1 - 2	8 - 3 - 3 - 4			*
2 - 3	0 - 0 - 0 - 1	*
3 - 4	0 - 0 - 0 - 0	*
4 - 5	0 - 0 - 0 - 0	*
5 - 6	0 - 0 - 0 - 0	*
6 - 7	1 - 4 - 7 - 8			*
7 - 8	8 - 8 - 8 - 8			*
8 - 9	7 - 3 - 2 - 8			*
9 - 10	0 - 0 - 0 - 0	*
10 - 11	0 - 0 - 0 - 0	*
11 - 12	0 - 0 - 0 - 0	*
12 - 13	4 - 6 - 7 - 6			*
13 - 14	6 - 8 - 8 - 8			*
14 - 15	8 - 8 - 8 - 8			*
15 - 16	0 - 0 - 0 - 0	*
16 - 17	4 - 8 - 8 - 8			*
17 - 18	2 - 0 - 0 - 1	*
18 - 19	2 - 0 - 0 - 0	*
19 - 20	8 - 8 - 8 - 8			*
20 - 21	0 - 0 - 0 - 0	*
21 - 22	0 - 0 - 1 - 1	*
22 - 23	2 - 4 - 0 - 3		*
23 - 24	0 - 0 - 1 - 3	*
24 - 25	1 - 0 - 0 - 0	*
25 - 26	2 - 5 - 5 - 1			*
26 - 27	0 - 0 - 0 - 0	*
27 - 28	0 - 0 - 0 - 0	*
28 - 29	0 - 0 - 0 - 0	*
29 - 30	0 - 0 - 0 - 0	*
30 - 31	1 - 1 - 3 - 3		*
31 - 01	1 - 1 - 1 - 0		*
	Totals	18	3	10
		Min.	Med.	Max.
Temperat. F degrees		25	52	80
Humidity % RH		10	~25	100
Wind speed M/H		--	12	44
Rainfall this month:	37.5mm	this year:	39mm
			Report by: Oscar Saa