NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report
Month: April
Year: 2001
Date
Cloud cover
Photometric
Useful
Useless
1 - 2
3-4-4-6
*
2 - 3
6-7-8-6
*
3 - 4
0-0-0-3
*
4 - 5
0-0-0-0
*
5 - 6
1-0-0-0
*
6 - 7
0-0-0-0
*
7 - 8
0-0-0-0
*
8 - 9
0-0-0-0
*
9 - 10
4-0-0-0
*
10 - 11
5-3-0-0
*
11 - 12
3-4-4-5
*
12 - 13
5-6-8-8
*
13 - 14
5-2-1-0
*
14 - 15
2-0-0-0
*
15 - 16
1-0-0-0
*
16 - 17
0-0-0-0
*
17 - 18
0-0-0-0
*
18 - 19
0-0-0-0
*
19 - 20
2-1-3-2
*
20 - 21
1-0-0-1
*
21 - 22
0-1-3-1
*
22 - 23
8-8-8-8
*
23 - 24
0-0-0-0
*
24 - 25
0-0-0-0
*
25 - 26
0-0-0-0
*
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 - 01
0-0-0-0
*
Totals
Min.
Med.
Max.
Temperat. deg.C
1
13
20
Humidity % RH
<10
30
100
Wind speed M/H
0
11
42
Water, precipitation
this month
0
Tot.year:
4 mm
Report by: Oscar Saa