NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report
Month: April
Year: 1998
Date
Cloud cover
Photometric
Useful
Useless
1 - 2
0 - 0 - 0 - 0
*
2 - 3
0 - 0 - 0 - 0
*
3 - 4
0 - 1 - 2 - 3
*
4 - 5
3 - 7 - 7 - 6
*
5 - 6
2 - 3 - 2 - 2
*
6 - 7
6 - 5 - 5 - 7
*
7 - 8
8 - 7 - 5 - 7
*
8 - 9
8 - 8 - 8 - 8
*
9 - 10
8 - 8 - 8 - 8
*
10 - 11
8 - 8 - 8 - 8
*
11 - 12
8 - 8 - 8 - 8
*
12 - 13
8 - 8 - 8 - 8
*
13 - 14
8 - 8 - 8 - 8
*
14 - 15
4 - 2 - 1 - 0
*
15 - 16
0 - 0 - 0 - 0
*
16 - 17
0 - 0 - 0 - 1
*
17 - 18
1 - 0 - 0 - 1
*
18 - 19
3 - 3 - 6 - 7
*
19 - 20
8 - 8 - 8 - 8
*
20 - 21
3 - 4 - 5 - 4
*
21 - 22
2 - 1 - 0 - 0
*
22 - 23
3 - 1 - 0 - 0
*
23 - 24
8 - 7 - 8 - 7
*
24 - 25
0 - 0 - 0 - 0
*
25 - 26
8 - 8 - 8 - 8
*
26 - 27
6 - 2 - 1 - 0
*
27 - 28
0 - 0 - 0 - 1
*
28 - 29
4 - 8 - 7 - 6
*
29 - 30
2 - 1 - 2 - 5
*
30 - 01
5 - 5 - 3 - 4
*
Totals
6
14
10
Min.
Med.
Max.
Temperat. C degrees
4
14
23
Humidity % RH
15
38
100
Wind speed M/H
--
8
38
Rainfall this month:
4mm
this year:
4mm
Report by: Oscar Saa