NATIONAL OPTICAL ASTRONOMY OBSERVATORIES
CERRO TOLOLO INTER-AMERICAN OBSERVATORY
Meteorology Report
Month: April
Year: 1989
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
5 - 5 - 3 - 2
*
7 - 8
0 - 0 - 0 - 0
*
8 - 9
3 - 2 - 2 - 3
*
9 - 10
1 - 0 - 0 - 0
*
10 - 11
0 - 0 - 0 - 0
*
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
8 - 6 - 2 - 1
*
16 - 17
0 - 0 - 0 - 0
*
17 - 18
0 - 0 - 0 - 0
*
18 - 19
0 - 0 - 0 - 0
*
19 - 20
0 - 0 - 0 - 0
*
20 - 21
0 - 0 - 0 - 0
*
21 - 22
1 - 0 - 0 - 0
*
22 - 23
0 - 0 - 0 - 0
*
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 - 2 - 5 - 5
*
28 - 29
2 - 8 - 8 - 8
*
29 - 30
8 - 8 - 8 - 8
*
30 - 31
3 - 2 - 7 - 8
*
31 - 01
Totals
23
4
3
Min.
Med.
Max.
Temperat. deg.F
42
60
77
Humidity % RH
10
35
100
Wind speed M/H
00
10
42
Water, precipitation
this month
10.5
tot.year:
10.5
Report by: Oscar Saa