ON  THE  PEAK  OF  TENERIFFE. 
513 
Table  I. 
Hour. 
Sea-level. 
Guajara. 
Alta  Vista. 
Barometer. 
Dry-bulb 
thermo- 
meter. 
Depression 
of  dew- 
point. 
Barometer. 
Dry-bulb 
thermo- 
meter. 
Depression 
of  dew- 
point. 
|Barometer. 
Dry-bulb 
thermo- 
meter. 
Depression 
of  dew- 
point. 
h 
iuch. 
inch. 
inch. 
6 
A.M. 
—•006 
+ 2-1 
+ 1-4 
-•007 
+ 3-7 
— i-4 
+ •030 
+ 4-0 
+ 
i-0 
7 
A.M. 
-•Oil 
+ 1-1 
+ 1-1 
-•008 
+ 2^4 
+ 0-6 
+ •004 
+ 1-0 
+ 
0-9 
8 
A.M. 
—•012 
-0-2 
-0-3 
—•020 
-0-4 
-3-0 
— •014 
-2-4 
— 
2-6 
9 
A.M. 
-•026 
-0-7 
+ 0-1 
-•036 
-2-6 
-3-4 
-•019 
-4^1 
— 
0-9 
10 
A.M. 
—029 
-0-6 
+ 0-6 
— •042 
-5-0 
— 8-4 
-•030 
-6-8 
— 
4-2 
11 
A.M. 
—•024 
-1-2 
+ 0-2 
-•040 
-7-2 
-9-9 
-•026 
-7-2 
— 
4-2 
0 
P.M. 
-•008 
-2-3 
— M 
-•036 
-7-5 
— 5*6 
-•019 
-7-0 
— 
4-4 
1 
P.M. 
•000 
-2-7 
-1-6 
-•027 
-8-2 
-7-6 
-•016 
-7-5 
— 
9*2 
2 
P.M. 
+ •008 
— 3-3 
-3-5 
— •024 
-8-8 
-5-9 
-•006 
-8-4 
-10-2 
3 
P.M. 
+ •015 
-3-3 
— 3-5 
-•012 
-8-0 
-7*2 
+ •008 
-7-3 
— 
9-2 
4 
P.M. 
+ •030 
-2-7 
-4-0 
-•006 
-6-9 
-3-9 
+ •013 
-5-1 
— 
6’5 
5 
P.M. 
+ •021 
-2-3 
-2-9 
+ •002 
-4-0 
-3-2 
+ •017 
-0-6 
— 
3-7 
6 
P.M. 
+ •013 
-1-9 
— 2-2 
+ •002 
-1-2 
0-0 
+ •010 
+ 1-8 
— 
2-0 
7 
P.M. 
+ •001 
-0-4 
— 1-0 
— •003 
+ 0-7 
+ 2-4 
+ •005 
+2-7 
+ 
0-4 
8 
P.M. 
-•Oil 
+ 0-7 
+ 1-0 
—•010 
+ 1-0 
-0-6 
•000 
+ 3-0 
+ 
2-2 
9 
P.M. 
+ •021 
+ 0*7 
+ 1-0 
-•014 
+ 3-4 
+ 1-6 
-•012 
+ 3-8 
+ 
4-8 
10 
P.M. 
-•029 
+ 1-2 
+ 1-8 
-•008 
+ 3-8 
+ 3-2 
-•016 
+ 3-8 
+ 
5-7 
11 
P.M. 
-•019 
+ 1-4 
+ 0-9 
-•004 
+ 5-2 
+ 5-4 
— •014 
+ 3-8 
+ 
7-6 
0 
A.M. 
-•004 
+ 1-5 
+ 1-2 
+ •012 
+ 5-2 
+ 4-5 
-•013 
+ 4-3 
+ 
5-8 
1 
A.M. 
+ •010 
+ 2-0 
+ 1-7 
+ •027 
+ 5-7 
+ 6-5 
— •004 
+ 4-9 
+ 
8-7 
2 
A.M. 
+ •019 
+ 2-3 
+ 2-3 
+ •039 
+ 6-1 
+ 7-9 
+ •013 
+ 4-4 
+ 
7-4 
3 
A.M. 
+ •025 
+ 2-4 
+ 2-7 
+ •055 
+ 7-1 
+ 9-1 
+ •024 
+ 5-4 
+ 
7-4 
4 
A.M. 
+ •025 
+ 2-8 
+ 2-6 
+ •057 
+ 7-5 
+ 9-1 
+ •030 
+ 6-2 
+ 
3-6 
5 
A.M. 
+ •029 
+ 3-1 
+ 2-3 
+ •058 
+ 7-7 
+ 9-8 
+ •042 
+ 6-1 
+ 
3-0 
Table  II. 
Comparison  of  Hourly  V ariations  at  the  three  Stations. 
Sea-level. 
Guajara. 
Alta  Vista. 
Time. 
Deviation 
from  mean 
of  twenty- 
four  hours. 
Time. 
Deviation 
from  mean 
of  twenty- 
four  hours. 
Time. 
Deviation 
from  mean 
of  twenty- 
four  hours. 
in. 
in. 
in. 
Barometer  pressure,  maximum  a.m 
10  a.m. 
•029 
10  0 A.M. 
•042 
10  A.M. 
•030 
Barometer  pressure,  minimum  p.m 
4 p.m. 
•030 
5 30  P.M. 
•002 
5 P.M. 
•017 
Barometer  pressure,  maximum  p.m 
10  P.M. 
•029 
9 0 P.M. 
•014 
1 0 P.M . 
•016 
Barometer  pressure,  minimum  a.m 
5 A.M. 
•029 
5 0 A.M. 
•058 
5 A.M. 
•042 
Daily  range 
•059 
•100 
•072 
Temperature,  maximum  
2 P.M. 
0 
3-3 
2 0 P.M. 
o 
8-8 
2 P.M. 
i 
o 
8-4 
Temperature,  minimum  
5 A.M. 
3-1 
5 0 A.M. 
7-7 
4 A.M. 
6-2 
Daily  range 
6-4 
16-5 
14-6 
* Depression  of  dew-point,  maximum 
4 P.M. 
O 
4-0 
11  0 A .M. 
9-9 
2 P.M. 
i6-2 
' Depression  of  dew-point,  minimum  
3 A.M. 
2-7 
5 0 A.M. 
9-8 
1 A.M. 
8-7 
6^7 
19-7 
18-9 
1 Daily  range 
3 T 2 
