http://de.wikipedia.org/wiki/Barometrische_Höhenformel    
Höhe  |  Druck  |  Delta  |
Meter |  in hPa |  in hPa |
------+---------+---------+
   0  |  1013   |         |
 100  |  1002   |  12     |
 200  |   990   |  12     |
 300  |   978   |  12     |
 400  |   966   |  12     |
 500  |   955   |  12     |
 600  |   943   |  11     |
 700  |   932   |  11     |
 800  |   921   |  11     |
 900  |   910   |  11     |
1000  |   899   |  11     |
1100  |   888   |  11     |
1200  |   877   |  11     |
1300  |   867   |  11     |
1400  |   856   |  11     |
1500  |   846   |  11     |
1600  |   835   |  10     |
1700  |   825   |  10     |
1800  |   815   |  10     |
1900  |   805   |  10     |
2000  |   795   |  10     |
2100  |   785   |  10     |
2200  |   776   |  10     |
2300  |   766   |  10     |
2400  |   757   |  10     |
2500  |   747   |  10     |
2600  |   738   |   9     |
2700  |   729   |   9     |
2800  |   719   |   9     |
2900  |   710   |   9     |
3000  |   701   |   9     |
3100  |   692   |   9     |
3200  |   684   |   9     |
3300  |   675   |   9     |
3400  |   666   |   9     |
3500  |   658   |   9     |
3600  |   649   |   8     |
3700  |   641   |   8     |
3800  |   633   |   8     |
3900  |   625   |   8     |
4000  |   616   |   8     |
4100  |   609   |   8     |
4200  |   601   |   8     |
4300  |   593   |   8     |
4400  |   585   |   8     |
4500  |   577   |   8     |
4600  |   570   |   7     |
4700  |   562   |   7     |
4800  |   555   |   7     |
4900  |   548   |   7     |
5000  |   540   |   7     |