NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report						Month: May		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	0
9 - 10	2	0	0	0
10 - 11	0	0	0	0
11 - 12	0	0	0	0
12 - 13	1	1	0	1
13 - 14	4	2	4	8
14 - 15	4	8	8	8
15 - 16	6	4	2	2
16 - 17	0	0	0	0
17 - 18	0	0	0	0
18 - 19	8	8	8	8
19 - 20	8	5	3	0
20 - 21	2	0	0	0
21 - 22	0	0	0	0
22 - 23	0	0	0	5
23 - 24	8	8	8	8
24 - 25	8	8	8	8
25 - 26	5	8	8	8
26 - 27	6	6	4	2
27 - 28	3	5	5	1
28 - 29	8	8	8	8
29 - 30	8	8	8	8
30 - 31	8	8	8	8
31 - 01	8	8	8	8
					Totals	13	4	15
						Min.	Med.	Max.
Temp. Deg. F						23		71
Humidity % RH
Wind speed M/H							25	73
Water, precipitation					this month	30mm	tot.year:	33.3mm
							Report by: Oscar Saa