NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
					CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report						Month: September		Year: 1975
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	6
9 - 10	8	8	8	8
10 - 11	8	8	4	2
11 - 12	0	0	0	0
12 - 13	0	0	0	0
13 - 14	0	0	0	0
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	1	0	1	5
19 - 20	0	0	2	4
20 - 21	7	5	2	1
21 - 22	0	0	0	0
22 - 23	0	0	0	0
23 - 24	0	0	0	0
24 - 25	2	7	8	8
25 - 26	0	0	0	0
26 - 27	0	0	0	0
27 - 28	1	2	2	1
28 - 29	8	8	8	0
29 - 30	0	0	0	0
30 - 01	2	1	2	2
					Totals	20	5	9
						Min.	Med.	Max.
Temp. Deg. F						27		75
Humidity % RH
Wind speed M/H							25	57
Water, precipitation					this month	00	tot.year:	73.2
							Report by: Oscar Saa