SEA LEVEL AIR PRESSURE
,
~'\-~----- I
- - -
,
,
-----------~------,
1
, , , ,
,
-38S-- --'; - - -- - --- ---- --, ,
0.0
, ,
0.5
, ,
1.0
1.5
I
I
I
2.0
2.5
3.0
3.5
4.0
4.5
5.0
, ,
1
, , , ,
5.5
6.0
6.5
,,-,ea level aIr pressure fhPa]
Standard deviation due to the annual cycle
195
7.0