I'm developing an Android app which uses a pressure sensor. Due to storage limitations I have to normalize and scale the atmospheric pressure values. For this I need to know the extreme values of pressure.
Different conditions should be respected, e.g.
- Weather conditions (low/high)
- Locations (high mountains, deep valleys like Dead Sea with a surface elevation of: -427 m (−1,401 ft))
If this is unknown, does anybody know the range at sea level? Something like 1013 hPa ± X?
With a formula I've found I calculated that the pressure on Mount Everest should be something like 300 hPa and at Dead Sea about 53 hPa more than at sea level. But this is not a very complex formula, so these values might be theoretical and wrong.
Edit / additional info
I discovered that my sensor provides values like 980.01 hPa, so there are 2 digits precision (don't know whether this reflects sensor precision). A difference of 0.01 hPa means ~8cm altitude. This might sound little, but I need to calculate the current incline of athletes, so I cannot sacrifice precision. My current scaling algorithm produces normalized numbers from 0 to 32768. It would imply much work to change the output range.